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android / kernel / msm.git / a033d772d1900b7e0da3d943ba9d02b773f0c53c / . / drivers / video / msm / mdss / mdss_mdp_overlay.c
blob: c97bba2f421e35df0321cc1451b59b041d3be2e3 [file] [log] [blame]
/* Copyright (c) 2012-2014, The Linux Foundation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 and
* only version 2 as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
*/
#define pr_fmt(fmt) "%s: " fmt, __func__
#include <linux/dma-buf.h>
#include <linux/dma-mapping.h>
#include <linux/errno.h>
#include <linux/kernel.h>
#include <linux/major.h>
#include <linux/module.h>
#include <linux/pm_runtime.h>
#include <linux/uaccess.h>
#include <linux/delay.h>
#include <linux/msm_mdp.h>
#include <linux/memblock.h>
#include <linux/sort.h>
#include <linux/sw_sync.h>
#include <linux/msm_iommu_domains.h>
#include <soc/qcom/event_timer.h>
#include <linux/msm-bus.h>
#include "mdss.h"
#include "mdss_debug.h"
#include "mdss_fb.h"
#include "mdss_mdp.h"
#include "mdss_mdp_rotator.h"
#define VSYNC_PERIOD 16
#define BORDERFILL_NDX 0x0BF000BF
#define CHECK_BOUNDS(offset, size, max_size) \
(((size) > (max_size)) || ((offset) > ((max_size) - (size))))
#define IS_RIGHT_MIXER_OV(flags, dst_x, left_lm_w) \
((flags & MDSS_MDP_RIGHT_MIXER) || (dst_x >= left_lm_w))
#define OVERLAY_MAX 10
#define BUF_POOL_SIZE 32
static int mdss_mdp_overlay_free_fb_pipe(struct msm_fb_data_type *mfd);
static int mdss_mdp_overlay_fb_parse_dt(struct msm_fb_data_type *mfd);
static int mdss_mdp_overlay_off(struct msm_fb_data_type *mfd);
static void __overlay_kickoff_requeue(struct msm_fb_data_type *mfd);
static void __vsync_retire_signal(struct msm_fb_data_type *mfd, int val);
static int __vsync_set_vsync_handler(struct msm_fb_data_type *mfd);
static inline bool is_ov_right_blend(struct mdp_rect *left_blend,
struct mdp_rect *right_blend, u32 left_lm_w)
{
return (((left_blend->x + left_blend->w) == right_blend->x) &&
((left_blend->x + left_blend->w) != left_lm_w) &&
(left_blend->x != right_blend->x) &&
(left_blend->y == right_blend->y) &&
(left_blend->h == right_blend->h));
}
static inline u32 left_lm_w_from_mfd(struct msm_fb_data_type *mfd)
{
struct mdss_mdp_ctl *ctl = mfd_to_ctl(mfd);
return (ctl && ctl->mixer_left) ? ctl->mixer_left->width : 0;
}
/**
* __is_more_decimation_doable() -
* @pipe: pointer to pipe data structure
*
* if per pipe BW exceeds the limit and user
* has not requested decimation then return
* -E2BIG error back to user else try more
* decimation based on following table config.
*
* ----------------------------------------------------------
* error | split mode | src_split | v_deci | action |
* ------|------------|-----------|--------|----------------|
* | | | 00 | return error |
* | | enabled |--------|----------------|
* | | | >1 | more decmation |
* | yes |-----------|--------|----------------|
* | | | 00 | return error |
* | | disabled |--------|----------------|
* | | | >1 | return error |
* E2BIG |------------|-----------|--------|----------------|
* | | | 00 | return error |
* | | enabled |--------|----------------|
* | | | >1 | more decmation |
* | no |-----------|--------|----------------|
* | | | 00 | return error |
* | | disabled |--------|----------------|
* | | | >1 | more decmation |
* ----------------------------------------------------------
*/
static inline bool __is_more_decimation_doable(struct mdss_mdp_pipe *pipe)
{
struct mdss_data_type *mdata = pipe->mixer_left->ctl->mdata;
struct msm_fb_data_type *mfd = pipe->mixer_left->ctl->mfd;
if (!mfd->split_mode && !pipe->vert_deci)
return false;
else if (mfd->split_mode && (!mdata->has_src_split ||
(mdata->has_src_split && !pipe->vert_deci)))
return false;
else
return true;
}
static struct mdss_mdp_pipe *__overlay_find_pipe(
struct msm_fb_data_type *mfd, u32 ndx)
{
struct mdss_overlay_private *mdp5_data = mfd_to_mdp5_data(mfd);
struct mdss_mdp_pipe *tmp, *pipe = NULL;
mutex_lock(&mdp5_data->list_lock);
list_for_each_entry(tmp, &mdp5_data->pipes_used, list) {
if (tmp->ndx == ndx) {
pipe = tmp;
break;
}
}
mutex_unlock(&mdp5_data->list_lock);
return pipe;
}
static int mdss_mdp_overlay_get(struct msm_fb_data_type *mfd,
struct mdp_overlay *req)
{
struct mdss_mdp_pipe *pipe;
pipe = __overlay_find_pipe(mfd, req->id);
if (!pipe) {
pr_err("invalid pipe ndx=%x\n", req->id);
return pipe ? PTR_ERR(pipe) : -ENODEV;
}
*req = pipe->req_data;
return 0;
}
static int mdss_mdp_ov_xres_check(struct msm_fb_data_type *mfd,
struct mdp_overlay *req)
{
u32 xres = 0;
u32 left_lm_w = left_lm_w_from_mfd(mfd);
struct mdss_data_type *mdata = mfd_to_mdata(mfd);
struct mdss_mdp_ctl *ctl = mfd_to_ctl(mfd);
if (IS_RIGHT_MIXER_OV(req->flags, req->dst_rect.x, left_lm_w)) {
if (mdata->has_src_split) {
xres = left_lm_w;
if (req->flags & MDSS_MDP_RIGHT_MIXER) {
pr_warn("invalid use of RIGHT_MIXER flag.\n");
/*
* if chip-set is capable of source split then
* all layers which are only on right LM should
* have their x offset relative to left LM's
* left-top or in other words relative to
* panel width.
* By modifying dst_x below, we are assuming
* that client is running in legacy mode
* chipset capable of source split.
*/
if (req->dst_rect.x < left_lm_w)
req->dst_rect.x += left_lm_w;
req->flags &= ~MDSS_MDP_RIGHT_MIXER;
}
} else if (req->dst_rect.x >= left_lm_w) {
/*
* this is a step towards removing a reliance on
* MDSS_MDP_RIGHT_MIXER flags. With the new src split
* code, some clients of non-src-split chipsets have
* stopped sending MDSS_MDP_RIGHT_MIXER flag and
* modified their xres relative to full panel
* dimensions. In such cases, we need to deduct left
* layer mixer width before we programm this HW.
*/
req->dst_rect.x -= left_lm_w;
req->flags |= MDSS_MDP_RIGHT_MIXER;
}
if (ctl->mixer_right) {
xres += ctl->mixer_right->width;
} else {
pr_err("ov cannot be placed on right mixer\n");
return -EPERM;
}
} else {
if (ctl->mixer_left) {
xres = ctl->mixer_left->width;
} else {
pr_err("ov cannot be placed on left mixer\n");
return -EPERM;
}
if (mdata->has_src_split && ctl->mixer_right)
xres += ctl->mixer_right->width;
}
if (CHECK_BOUNDS(req->dst_rect.x, req->dst_rect.w, xres)) {
pr_err("dst_xres is invalid. dst_x:%d, dst_w:%d, xres:%d\n",
req->dst_rect.x, req->dst_rect.w, xres);
return -EOVERFLOW;
}
return 0;
}
int mdss_mdp_overlay_req_check(struct msm_fb_data_type *mfd,
struct mdp_overlay *req,
struct mdss_mdp_format_params *fmt)
{
u32 yres;
u32 min_src_size, min_dst_size;
int content_secure;
struct mdss_data_type *mdata = mfd_to_mdata(mfd);
struct mdss_mdp_ctl *ctl = mfd_to_ctl(mfd);
yres = mfd->fbi->var.yres;
content_secure = (req->flags & MDP_SECURE_OVERLAY_SESSION);
if (!ctl->is_secure && content_secure &&
(mfd->panel.type == WRITEBACK_PANEL)) {
pr_debug("return due to security concerns\n");
return -EPERM;
}
if (mdata->mdp_rev >= MDSS_MDP_HW_REV_102) {
min_src_size = fmt->is_yuv ? 2 : 1;
min_dst_size = 1;
} else {
min_src_size = fmt->is_yuv ? 10 : 5;
min_dst_size = 2;
}
if (req->z_order >= mdata->max_target_zorder) {
pr_err("zorder %d out of range\n", req->z_order);
return -ERANGE;
}
/*
* Cursor overlays are only supported for targets
* with dedicated cursors within VP
*/
if ((req->pipe_type == MDSS_MDP_PIPE_TYPE_CURSOR) &&
((req->z_order != mdata->max_target_zorder) ||
!mdata->ncursor_pipes ||
(req->src_rect.w > mdata->max_cursor_size))) {
pr_err("Inccorect cursor overlay cursor_pipes=%d zorder=%d\n",
mdata->ncursor_pipes, req->z_order);
return -EINVAL;
}
if (req->src.width > MAX_IMG_WIDTH ||
req->src.height > MAX_IMG_HEIGHT ||
req->src_rect.w < min_src_size || req->src_rect.h < min_src_size ||
CHECK_BOUNDS(req->src_rect.x, req->src_rect.w, req->src.width) ||
CHECK_BOUNDS(req->src_rect.y, req->src_rect.h, req->src.height)) {
pr_err("invalid source image img wh=%dx%d rect=%d,%d,%d,%d\n",
req->src.width, req->src.height,
req->src_rect.x, req->src_rect.y,
req->src_rect.w, req->src_rect.h);
return -EOVERFLOW;
}
if (req->dst_rect.w < min_dst_size || req->dst_rect.h < min_dst_size) {
pr_err("invalid destination resolution (%dx%d)",
req->dst_rect.w, req->dst_rect.h);
return -EOVERFLOW;
}
if (req->horz_deci || req->vert_deci) {
if (!mdata->has_decimation) {
pr_err("No Decimation in MDP V=%x\n", mdata->mdp_rev);
return -EINVAL;
} else if ((req->horz_deci > MAX_DECIMATION) ||
(req->vert_deci > MAX_DECIMATION)) {
pr_err("Invalid decimation factors horz=%d vert=%d\n",
req->horz_deci, req->vert_deci);
return -EINVAL;
} else if (req->flags & MDP_BWC_EN) {
pr_err("Decimation can't be enabled with BWC\n");
return -EINVAL;
} else if (fmt->tile) {
pr_err("Decimation can't be enabled with MacroTile format\n");
return -EINVAL;
}
}
if (!(req->flags & MDSS_MDP_ROT_ONLY)) {
u32 src_w, src_h, dst_w, dst_h;
if (CHECK_BOUNDS(req->dst_rect.y, req->dst_rect.h, yres)) {
pr_err("invalid vertical destination: y=%d, h=%d\n",
req->dst_rect.y, req->dst_rect.h);
return -EOVERFLOW;
}
if (req->flags & MDP_ROT_90) {
dst_h = req->dst_rect.w;
dst_w = req->dst_rect.h;
} else {
dst_w = req->dst_rect.w;
dst_h = req->dst_rect.h;
}
src_w = req->src_rect.w >> req->horz_deci;
src_h = req->src_rect.h >> req->vert_deci;
if (src_w > mdata->max_mixer_width) {
pr_err("invalid source width=%d HDec=%d\n",
req->src_rect.w, req->horz_deci);
return -EINVAL;
}
if ((src_w * MAX_UPSCALE_RATIO) < dst_w) {
pr_err("too much upscaling Width %d->%d\n",
req->src_rect.w, req->dst_rect.w);
return -EINVAL;
}
if ((src_h * MAX_UPSCALE_RATIO) < dst_h) {
pr_err("too much upscaling. Height %d->%d\n",
req->src_rect.h, req->dst_rect.h);
return -EINVAL;
}
if (src_w > (dst_w * MAX_DOWNSCALE_RATIO)) {
pr_err("too much downscaling. Width %d->%d H Dec=%d\n",
src_w, req->dst_rect.w, req->horz_deci);
return -EINVAL;
}
if (src_h > (dst_h * MAX_DOWNSCALE_RATIO)) {
pr_err("too much downscaling. Height %d->%d V Dec=%d\n",
src_h, req->dst_rect.h, req->vert_deci);
return -EINVAL;
}
if (req->flags & MDP_BWC_EN) {
if ((req->src.width != req->src_rect.w) ||
(req->src.height != req->src_rect.h)) {
pr_err("BWC: unequal src img and rect w,h\n");
return -EINVAL;
}
if (req->flags & MDP_DECIMATION_EN) {
pr_err("Can't enable BWC decode && decimate\n");
return -EINVAL;
}
}
if (req->flags & MDP_DEINTERLACE) {
if (req->flags & MDP_SOURCE_ROTATED_90) {
if ((req->src_rect.w % 4) != 0) {
pr_err("interlaced rect not h/4\n");
return -EINVAL;
}
} else if ((req->src_rect.h % 4) != 0) {
pr_err("interlaced rect not h/4\n");
return -EINVAL;
}
}
} else {
if (req->flags & MDP_DEINTERLACE) {
if ((req->src_rect.h % 4) != 0) {
pr_err("interlaced rect h not multiple of 4\n");
return -EINVAL;
}
}
}
if (fmt->is_yuv) {
if ((req->src_rect.x & 0x1) || (req->src_rect.y & 0x1) ||
(req->src_rect.w & 0x1) || (req->src_rect.h & 0x1)) {
pr_err("invalid odd src resolution or coordinates\n");
return -EINVAL;
}
}
return 0;
}
static int __mdp_pipe_tune_perf(struct mdss_mdp_pipe *pipe,
bool is_single_layer)
{
struct mdss_data_type *mdata = pipe->mixer_left->ctl->mdata;
struct mdss_mdp_perf_params perf;
int rc;
for (;;) {
rc = mdss_mdp_perf_calc_pipe(pipe, &perf, NULL, true,
is_single_layer);
if (!rc && (perf.mdp_clk_rate <= mdata->max_mdp_clk_rate)) {
rc = mdss_mdp_perf_bw_check_pipe(&perf, pipe);
if (!rc) {
break;
} else if (rc == -E2BIG &&
!__is_more_decimation_doable(pipe)) {
pr_debug("pipe%d exceeded per pipe BW\n",
pipe->num);
return rc;
}
}
/*
* if decimation is available try to reduce minimum clock rate
* requirement by applying vertical decimation and reduce
* mdp clock requirement
*/
if (mdata->has_decimation && (pipe->vert_deci < MAX_DECIMATION)
&& !pipe->bwc_mode && !pipe->src_fmt->tile &&
!pipe->scale.enable_pxl_ext)
pipe->vert_deci++;
else
return -E2BIG;
}
return 0;
}
static int __mdss_mdp_overlay_setup_scaling(struct mdss_mdp_pipe *pipe)
{
u32 src;
int rc;
src = pipe->src.w >> pipe->horz_deci;
if (pipe->scale.enable_pxl_ext)
return 0;
memset(&pipe->scale, 0, sizeof(struct mdp_scale_data));
rc = mdss_mdp_calc_phase_step(src, pipe->dst.w,
&pipe->scale.phase_step_x[0]);
if (rc == -EOVERFLOW) {
/* overflow on horizontal direction is acceptable */
rc = 0;
} else if (rc) {
pr_err("Horizontal scaling calculation failed=%d! %d->%d\n",
rc, src, pipe->dst.w);
return rc;
}
src = pipe->src.h >> pipe->vert_deci;
rc = mdss_mdp_calc_phase_step(src, pipe->dst.h,
&pipe->scale.phase_step_y[0]);
if ((rc == -EOVERFLOW) && (pipe->type == MDSS_MDP_PIPE_TYPE_VIG)) {
/* overflow on Qseed2 scaler is acceptable */
rc = 0;
} else if (rc) {
pr_err("Vertical scaling calculation failed=%d! %d->%d\n",
rc, src, pipe->dst.h);
return rc;
}
return rc;
}
static inline void __mdss_mdp_overlay_set_chroma_sample(
struct mdss_mdp_pipe *pipe)
{
pipe->chroma_sample_v = pipe->chroma_sample_h = 0;
switch (pipe->src_fmt->chroma_sample) {
case MDSS_MDP_CHROMA_H1V2:
pipe->chroma_sample_v = 1;
break;
case MDSS_MDP_CHROMA_H2V1:
pipe->chroma_sample_h = 1;
break;
case MDSS_MDP_CHROMA_420:
pipe->chroma_sample_v = 1;
pipe->chroma_sample_h = 1;
break;
}
if (pipe->horz_deci)
pipe->chroma_sample_h = 0;
if (pipe->vert_deci)
pipe->chroma_sample_v = 0;
}
int mdss_mdp_overlay_pipe_setup(struct msm_fb_data_type *mfd,
struct mdp_overlay *req, struct mdss_mdp_pipe **ppipe,
struct mdss_mdp_pipe *left_blend_pipe, bool is_single_layer)
{
struct mdss_mdp_format_params *fmt;
struct mdss_mdp_pipe *pipe;
struct mdss_mdp_mixer *mixer = NULL;
u32 pipe_type, mixer_mux, len;
struct mdss_overlay_private *mdp5_data = mfd_to_mdp5_data(mfd);
struct mdss_data_type *mdata = mfd_to_mdata(mfd);
struct mdp_histogram_start_req hist;
int ret;
u32 bwc_enabled;
u32 rot90;
bool is_vig_needed = false;
u32 left_lm_w = left_lm_w_from_mfd(mfd);
if (mdp5_data->ctl == NULL)
return -ENODEV;
if (req->flags & MDP_ROT_90) {
pr_err("unsupported inline rotation\n");
return -EOPNOTSUPP;
}
if ((req->dst_rect.w > mdata->max_mixer_width) ||
(req->dst_rect.h > MAX_DST_H)) {
pr_err("exceeded max mixer supported resolution %dx%d\n",
req->dst_rect.w, req->dst_rect.h);
return -EOVERFLOW;
}
if (IS_RIGHT_MIXER_OV(req->flags, req->dst_rect.x, left_lm_w))
mixer_mux = MDSS_MDP_MIXER_MUX_RIGHT;
else
mixer_mux = MDSS_MDP_MIXER_MUX_LEFT;
pr_debug("ctl=%u req id=%x mux=%d z_order=%d flags=0x%x dst_x:%d\n",
mdp5_data->ctl->num, req->id, mixer_mux, req->z_order,
req->flags, req->dst_rect.x);
fmt = mdss_mdp_get_format_params(req->src.format);
if (!fmt) {
pr_err("invalid pipe format %d\n", req->src.format);
return -EINVAL;
}
bwc_enabled = req->flags & MDP_BWC_EN;
rot90 = req->flags & MDP_SOURCE_ROTATED_90;
/*
* Always set yuv rotator output to pseudo planar.
*/
if (bwc_enabled || rot90) {
req->src.format =
mdss_mdp_get_rotator_dst_format(req->src.format, rot90,
bwc_enabled);
fmt = mdss_mdp_get_format_params(req->src.format);
if (!fmt) {
pr_err("invalid pipe format %d\n", req->src.format);
return -EINVAL;
}
}
ret = mdss_mdp_ov_xres_check(mfd, req);
if (ret)
return ret;
ret = mdss_mdp_overlay_req_check(mfd, req, fmt);
if (ret)
return ret;
pipe = mdss_mdp_get_staged_pipe(mdp5_data->ctl, mixer_mux,
req->z_order, left_blend_pipe != NULL);
if (pipe && pipe->ndx != req->id) {
pr_debug("replacing pnum=%d at stage=%d mux=%d id:0x%x %s\n",
pipe->num, req->z_order, mixer_mux, req->id,
left_blend_pipe ? "right blend" : "left blend");
mdss_mdp_mixer_pipe_unstage(pipe, pipe->mixer_left);
}
mixer = mdss_mdp_mixer_get(mdp5_data->ctl, mixer_mux);
if (!mixer) {
pr_err("unable to get mixer\n");
return -ENODEV;
}
if ((mdata->has_non_scalar_rgb) &&
((req->src_rect.w != req->dst_rect.w) ||
(req->src_rect.h != req->dst_rect.h)))
is_vig_needed = true;
if (req->id == MSMFB_NEW_REQUEST) {
switch (req->pipe_type) {
case PIPE_TYPE_VIG:
pipe_type = MDSS_MDP_PIPE_TYPE_VIG;
break;
case PIPE_TYPE_RGB:
pipe_type = MDSS_MDP_PIPE_TYPE_RGB;
break;
case PIPE_TYPE_DMA:
pipe_type = MDSS_MDP_PIPE_TYPE_DMA;
break;
case PIPE_TYPE_CURSOR:
pipe_type = MDSS_MDP_PIPE_TYPE_CURSOR;
break;
case PIPE_TYPE_AUTO:
default:
if (req->flags & MDP_OV_PIPE_FORCE_DMA)
pipe_type = MDSS_MDP_PIPE_TYPE_DMA;
else if (fmt->is_yuv ||
(req->flags & MDP_OV_PIPE_SHARE) ||
is_vig_needed)
pipe_type = MDSS_MDP_PIPE_TYPE_VIG;
else
pipe_type = MDSS_MDP_PIPE_TYPE_RGB;
break;
}
pipe = mdss_mdp_pipe_alloc(mixer, pipe_type, left_blend_pipe);
/* RGB pipes can be used instead of DMA */
if ((req->pipe_type == PIPE_TYPE_AUTO) && !pipe &&
(pipe_type == MDSS_MDP_PIPE_TYPE_DMA)) {
pr_debug("giving RGB pipe for fb%d. flags:0x%x\n",
mfd->index, req->flags);
pipe_type = MDSS_MDP_PIPE_TYPE_RGB;
pipe = mdss_mdp_pipe_alloc(mixer, pipe_type,
left_blend_pipe);
}
/* VIG pipes can also support RGB format */
if ((req->pipe_type == PIPE_TYPE_AUTO) && !pipe &&
(pipe_type == MDSS_MDP_PIPE_TYPE_RGB)) {
pr_debug("giving ViG pipe for fb%d. flags:0x%x\n",
mfd->index, req->flags);
pipe_type = MDSS_MDP_PIPE_TYPE_VIG;
pipe = mdss_mdp_pipe_alloc(mixer, pipe_type,
left_blend_pipe);
}
if (pipe == NULL) {
pr_err("error allocating pipe. flags=0x%x\n",
req->flags);
return -ENODEV;
}
ret = mdss_mdp_pipe_map(pipe);
if (ret) {
pr_err("unable to map pipe=%d\n", pipe->num);
return ret;
}
mutex_lock(&mdp5_data->list_lock);
list_add(&pipe->list, &mdp5_data->pipes_used);
mutex_unlock(&mdp5_data->list_lock);
pipe->mixer_left = mixer;
pipe->mfd = mfd;
pipe->pid = current->tgid;
pipe->play_cnt = 0;
} else {
pipe = __overlay_find_pipe(mfd, req->id);
if (!pipe) {
pr_err("invalid pipe ndx=%x\n", req->id);
return -ENODEV;
}
ret = mdss_mdp_pipe_map(pipe);
if (IS_ERR_VALUE(ret)) {
pr_err("Unable to map used pipe%d ndx=%x\n",
pipe->num, pipe->ndx);
return ret;
}
if (is_vig_needed && (pipe->type != MDSS_MDP_PIPE_TYPE_VIG)) {
pr_err("pipe is non-scalar ndx=%x\n", req->id);
ret = -EINVAL;
goto exit_fail;
}
if (pipe->mixer_left != mixer) {
if (!mixer->ctl || (mixer->ctl->mfd != mfd)) {
pr_err("Can't switch mixer %d->%d pnum %d!\n",
pipe->mixer_left->num, mixer->num,
pipe->num);
ret = -EINVAL;
goto exit_fail;
}
pr_debug("switching pipe%d mixer %d->%d stage%d\n",
pipe->num,
pipe->mixer_left ? pipe->mixer_left->num : -1,
mixer->num, req->z_order);
mdss_mdp_mixer_pipe_unstage(pipe, pipe->mixer_left);
pipe->mixer_left = mixer;
}
}
if (left_blend_pipe) {
if (pipe->priority <= left_blend_pipe->priority) {
pr_debug("priority limitation. left:%d right%d\n",
left_blend_pipe->priority, pipe->priority);
ret = -EPERM;
goto exit_fail;
} else {
pr_debug("pipe%d is a right_pipe\n", pipe->num);
pipe->is_right_blend = true;
}
} else if (pipe->is_right_blend) {
/*
* pipe used to be right blend need to update mixer
* configuration to remove it as a right blend
*/
mdss_mdp_mixer_pipe_unstage(pipe, pipe->mixer_left);
mdss_mdp_mixer_pipe_unstage(pipe, pipe->mixer_right);
pipe->is_right_blend = false;
}
if (mfd->panel_orientation)
req->flags ^= mfd->panel_orientation;
pipe->flags = req->flags;
if (bwc_enabled && !mdp5_data->mdata->has_bwc) {
pr_err("BWC is not supported in MDP version %x\n",
mdp5_data->mdata->mdp_rev);
pipe->bwc_mode = 0;
} else {
pipe->bwc_mode = pipe->mixer_left->rotator_mode ?
0 : (bwc_enabled ? 1 : 0) ;
}
pipe->img_width = req->src.width & 0x3fff;
pipe->img_height = req->src.height & 0x3fff;
pipe->src.x = req->src_rect.x;
pipe->src.y = req->src_rect.y;
pipe->src.w = req->src_rect.w;
pipe->src.h = req->src_rect.h;
pipe->dst.x = req->dst_rect.x;
pipe->dst.y = req->dst_rect.y;
pipe->dst.w = req->dst_rect.w;
pipe->dst.h = req->dst_rect.h;
if (mfd->panel_orientation & MDP_FLIP_LR)
pipe->dst.x = pipe->mixer_left->width
- pipe->dst.x - pipe->dst.w;
if (mfd->panel_orientation & MDP_FLIP_UD)
pipe->dst.y = pipe->mixer_left->height
- pipe->dst.y - pipe->dst.h;
pipe->horz_deci = req->horz_deci;
pipe->vert_deci = req->vert_deci;
/*
* check if overlay span across two mixers and if source split is
* available. If yes, enable src_split_req flag so that during mixer
* staging, same pipe will be stagged on both layer mixers.
*/
if (mdata->has_src_split) {
if ((mixer_mux == MDSS_MDP_MIXER_MUX_LEFT) &&
((req->dst_rect.x + req->dst_rect.w) > mixer->width)) {
if (req->dst_rect.x >= mixer->width) {
pr_err("%pS: err dst_x can't lie in right half",
__builtin_return_address(0));
pr_cont(" flags:0x%x dst x:%d w:%d lm_w:%d\n",
req->flags, req->dst_rect.x,
req->dst_rect.w, mixer->width);
ret = -EINVAL;
goto exit_fail;
} else {
pipe->src_split_req = true;
}
} else {
if (pipe->src_split_req) {
mdss_mdp_mixer_pipe_unstage(pipe,
pipe->mixer_right);
pipe->mixer_right = NULL;
}
pipe->src_split_req = false;
}
}
memcpy(&pipe->scale, &req->scale, sizeof(struct mdp_scale_data));
pipe->src_fmt = fmt;
__mdss_mdp_overlay_set_chroma_sample(pipe);
pipe->mixer_stage = req->z_order;
pipe->is_fg = req->is_fg;
pipe->alpha = req->alpha;
pipe->transp = req->transp_mask;
pipe->blend_op = req->blend_op;
if (pipe->blend_op == BLEND_OP_NOT_DEFINED)
pipe->blend_op = fmt->alpha_enable ?
BLEND_OP_PREMULTIPLIED :
BLEND_OP_OPAQUE;
if (!fmt->alpha_enable && (pipe->blend_op != BLEND_OP_OPAQUE))
pr_debug("Unintended blend_op %d on layer with no alpha plane\n",
pipe->blend_op);
if (fmt->is_yuv && !(pipe->flags & MDP_SOURCE_ROTATED_90) &&
!pipe->scale.enable_pxl_ext) {
pipe->overfetch_disable = OVERFETCH_DISABLE_BOTTOM;
if (!(pipe->flags & MDSS_MDP_DUAL_PIPE) ||
IS_RIGHT_MIXER_OV(pipe->flags, pipe->dst.x, left_lm_w))
pipe->overfetch_disable |= OVERFETCH_DISABLE_RIGHT;
pr_debug("overfetch flags=%x\n", pipe->overfetch_disable);
} else {
pipe->overfetch_disable = 0;
}
pipe->bg_color = req->bg_color;
req->id = pipe->ndx;
req->priority = pipe->priority;
pipe->req_data = *req;
if (pipe->type == MDSS_MDP_PIPE_TYPE_CURSOR)
goto cursor_done;
if (pipe->flags & MDP_OVERLAY_PP_CFG_EN) {
memcpy(&pipe->pp_cfg, &req->overlay_pp_cfg,
sizeof(struct mdp_overlay_pp_params));
len = pipe->pp_cfg.igc_cfg.len;
if ((pipe->pp_cfg.config_ops & MDP_OVERLAY_PP_IGC_CFG) &&
(len == IGC_LUT_ENTRIES)) {
ret = copy_from_user(pipe->pp_res.igc_c0_c1,
pipe->pp_cfg.igc_cfg.c0_c1_data,
sizeof(uint32_t) * len);
if (ret) {
ret = -ENOMEM;
goto exit_fail;
}
ret = copy_from_user(pipe->pp_res.igc_c2,
pipe->pp_cfg.igc_cfg.c2_data,
sizeof(uint32_t) * len);
if (ret) {
ret = -ENOMEM;
goto exit_fail;
}
pipe->pp_cfg.igc_cfg.c0_c1_data =
pipe->pp_res.igc_c0_c1;
pipe->pp_cfg.igc_cfg.c2_data = pipe->pp_res.igc_c2;
}
if (pipe->pp_cfg.config_ops & MDP_OVERLAY_PP_HIST_CFG) {
if (pipe->pp_cfg.hist_cfg.ops & MDP_PP_OPS_ENABLE) {
hist.block = pipe->pp_cfg.hist_cfg.block;
hist.frame_cnt =
pipe->pp_cfg.hist_cfg.frame_cnt;
hist.bit_mask = pipe->pp_cfg.hist_cfg.bit_mask;
hist.num_bins = pipe->pp_cfg.hist_cfg.num_bins;
mdss_mdp_hist_start(&hist);
} else if (pipe->pp_cfg.hist_cfg.ops &
MDP_PP_OPS_DISABLE) {
mdss_mdp_hist_stop(pipe->pp_cfg.hist_cfg.block);
}
}
len = pipe->pp_cfg.hist_lut_cfg.len;
if ((pipe->pp_cfg.config_ops & MDP_OVERLAY_PP_HIST_LUT_CFG) &&
(len == ENHIST_LUT_ENTRIES)) {
ret = copy_from_user(pipe->pp_res.hist_lut,
pipe->pp_cfg.hist_lut_cfg.data,
sizeof(uint32_t) * len);
if (ret) {
ret = -ENOMEM;
goto exit_fail;
}
pipe->pp_cfg.hist_lut_cfg.data = pipe->pp_res.hist_lut;
}
}
/*
* When scaling is enabled src crop and image
* width and height is modified by user
*/
if ((pipe->flags & MDP_DEINTERLACE)) {
if (pipe->flags & MDP_SOURCE_ROTATED_90) {
pipe->src.x = DIV_ROUND_UP(pipe->src.x, 2);
pipe->src.x &= ~1;
if (!pipe->scale.enable_pxl_ext) {
pipe->src.w /= 2;
pipe->img_width /= 2;
}
} else {
if (!pipe->scale.enable_pxl_ext)
pipe->src.h /= 2;
pipe->src.y = DIV_ROUND_UP(pipe->src.y, 2);
pipe->src.y &= ~1;
}
}
ret = __mdp_pipe_tune_perf(pipe, is_single_layer);
if (ret) {
pr_debug("unable to satisfy performance. ret=%d\n", ret);
goto exit_fail;
}
ret = __mdss_mdp_overlay_setup_scaling(pipe);
if (ret)
goto exit_fail;
if ((mixer->type == MDSS_MDP_MIXER_TYPE_WRITEBACK) &&
(mdp5_data->mdata->wfd_mode == MDSS_MDP_WFD_SHARED))
mdss_mdp_smp_release(pipe);
ret = mdss_mdp_smp_reserve(pipe);
if (ret) {
pr_debug("mdss_mdp_smp_reserve failed. pnum:%d ret=%d\n",
pipe->num, ret);
goto exit_fail;
}
cursor_done:
pipe->params_changed++;
req->vert_deci = pipe->vert_deci;
*ppipe = pipe;
mdss_mdp_pipe_unmap(pipe);
return ret;
exit_fail:
mdss_mdp_pipe_unmap(pipe);
mutex_lock(&mdp5_data->list_lock);
if (pipe->play_cnt == 0) {
pr_debug("failed for pipe %d\n", pipe->num);
if (!list_empty(&pipe->list))
list_del_init(&pipe->list);
mdss_mdp_pipe_destroy(pipe);
}
/* invalidate any overlays in this framebuffer after failure */
list_for_each_entry(pipe, &mdp5_data->pipes_used, list) {
pr_debug("freeing allocations for pipe %d\n", pipe->num);
mdss_mdp_smp_unreserve(pipe);
pipe->params_changed = 0;
}
mutex_unlock(&mdp5_data->list_lock);
return ret;
}
static int mdss_mdp_overlay_set(struct msm_fb_data_type *mfd,
struct mdp_overlay *req)
{
struct mdss_overlay_private *mdp5_data = mfd_to_mdp5_data(mfd);
int ret;
ret = mutex_lock_interruptible(&mdp5_data->ov_lock);
if (ret)
return ret;
if (mdss_fb_is_power_off(mfd)) {
mutex_unlock(&mdp5_data->ov_lock);
return -EPERM;
}
if (req->flags & MDSS_MDP_ROT_ONLY) {
ret = mdss_mdp_rotator_setup(mfd, req);
} else if (req->src.format == MDP_RGB_BORDERFILL) {
req->id = BORDERFILL_NDX;
} else {
struct mdss_mdp_pipe *pipe;
/* userspace zorder start with stage 0 */
req->z_order += MDSS_MDP_STAGE_0;
ret = mdss_mdp_overlay_pipe_setup(mfd, req, &pipe, NULL, false);
req->z_order -= MDSS_MDP_STAGE_0;
}
mutex_unlock(&mdp5_data->ov_lock);
return ret;
}
struct mdss_mdp_data *mdss_mdp_overlay_buf_alloc(struct msm_fb_data_type *mfd,
struct mdss_mdp_pipe *pipe)
{
struct mdss_overlay_private *mdp5_data = mfd_to_mdp5_data(mfd);
struct mdss_mdp_data *buf;
int i;
if (list_empty(&mdp5_data->bufs_pool)) {
pr_debug("allocating %u bufs for fb%d\n",
BUF_POOL_SIZE, mfd->index);
buf = kzalloc(sizeof(*buf) * BUF_POOL_SIZE, GFP_KERNEL);
if (!buf) {
pr_err("Unable to allocate buffer pool\n");
return NULL;
}
list_add(&buf->chunk_list, &mdp5_data->bufs_chunks);
for (i = 0; i < BUF_POOL_SIZE; i++)
list_add(&buf[i].buf_list, &mdp5_data->bufs_pool);
}
buf = list_first_entry(&mdp5_data->bufs_pool,
struct mdss_mdp_data, buf_list);
list_move_tail(&buf->buf_list, &mdp5_data->bufs_used);
buf->last_alloc = local_clock();
buf->last_pipe = pipe;
list_add_tail(&buf->pipe_list, &pipe->buf_queue);
buf->state = MDP_BUF_STATE_READY;
pr_debug("buffer alloc: %p\n", buf);
return buf;
}
static void mdss_mdp_overlay_buf_deinit(struct msm_fb_data_type *mfd)
{
struct mdss_overlay_private *mdp5_data = mfd_to_mdp5_data(mfd);
struct mdss_mdp_data *buf, *t;
pr_debug("performing cleanup of buffers pool on fb%d\n", mfd->index);
BUG_ON(!list_empty(&mdp5_data->bufs_used));
list_for_each_entry_safe(buf, t, &mdp5_data->bufs_pool, buf_list)
list_del(&buf->buf_list);
list_for_each_entry_safe(buf, t, &mdp5_data->bufs_chunks, chunk_list) {
list_del(&buf->chunk_list);
kfree(buf);
}
}
void mdss_mdp_overlay_buf_free(struct msm_fb_data_type *mfd,
struct mdss_mdp_data *buf)
{
struct mdss_overlay_private *mdp5_data = mfd_to_mdp5_data(mfd);
if (!list_empty(&buf->pipe_list))
list_del_init(&buf->pipe_list);
mdss_mdp_data_free(buf);
buf->last_freed = local_clock();
buf->state = MDP_BUF_STATE_UNUSED;
pr_debug("buffer freed: %p\n", buf);
list_move_tail(&buf->buf_list, &mdp5_data->bufs_pool);
}
static inline void __pipe_buf_mark_cleanup(struct msm_fb_data_type *mfd,
struct mdss_mdp_data *buf)
{
/* buffer still in bufs_used, marking it as cleanup will clean it up */
buf->state = MDP_BUF_STATE_CLEANUP;
list_del_init(&buf->pipe_list);
}
/**
* __mdss_mdp_overlay_free_list_purge() - clear free list of buffers
* @mfd: Msm frame buffer data structure for the associated fb
*
* Frees memory and clears current list of buffers which are pending free
*/
static void __mdss_mdp_overlay_free_list_purge(struct msm_fb_data_type *mfd)
{
struct mdss_overlay_private *mdp5_data = mfd_to_mdp5_data(mfd);
struct mdss_mdp_data *buf, *t;
pr_debug("purging fb%d free list\n", mfd->index);
list_for_each_entry_safe(buf, t, &mdp5_data->bufs_freelist, buf_list)
mdss_mdp_overlay_buf_free(mfd, buf);
}
static void __overlay_pipe_cleanup(struct msm_fb_data_type *mfd,
struct mdss_mdp_pipe *pipe)
{
struct mdss_overlay_private *mdp5_data = mfd_to_mdp5_data(mfd);
struct mdss_mdp_data *buf, *tmpbuf;
list_for_each_entry_safe(buf, tmpbuf, &pipe->buf_queue, pipe_list) {
__pipe_buf_mark_cleanup(mfd, buf);
list_move(&buf->buf_list, &mdp5_data->bufs_freelist);
/*
* in case of secure UI, the buffer needs to be released as
* soon as session is closed.
*/
if (pipe->flags & MDP_SECURE_DISPLAY_OVERLAY_SESSION)
mdss_mdp_overlay_buf_free(mfd, buf);
}
mdss_mdp_pipe_destroy(pipe);
}
/**
* mdss_mdp_overlay_cleanup() - handles cleanup after frame commit
* @mfd: Msm frame buffer data structure for the associated fb
* @destroy_pipes: list of pipes that should be destroyed as part of cleanup
*
* Goes through destroy_pipes list and ensures they are ready to be destroyed
* and cleaned up. Also cleanup of any pipe buffers after flip.
*/
static void mdss_mdp_overlay_cleanup(struct msm_fb_data_type *mfd,
struct list_head *destroy_pipes)
{
struct mdss_mdp_pipe *pipe, *tmp;
struct mdss_overlay_private *mdp5_data = mfd_to_mdp5_data(mfd);
struct mdss_mdp_ctl *ctl = mfd_to_ctl(mfd);
bool recovery_mode = false;
struct mdss_mdp_data *buf, *tmpbuf;
mutex_lock(&mdp5_data->list_lock);
list_for_each_entry(pipe, destroy_pipes, list) {
/* make sure pipe fetch has been halted before freeing buffer */
if (mdss_mdp_pipe_fetch_halt(pipe)) {
/*
* if pipe is not able to halt. Enter recovery mode,
* by un-staging any pipes that are attached to mixer
* so that any freed pipes that are not able to halt
* can be staged in solid fill mode and be reset
* with next vsync
*/
if (!recovery_mode) {
recovery_mode = true;
mdss_mdp_mixer_unstage_all(ctl->mixer_left);
mdss_mdp_mixer_unstage_all(ctl->mixer_right);
}
pipe->params_changed++;
mdss_mdp_pipe_queue_data(pipe, NULL);
}
}
if (recovery_mode) {
pr_warn("performing recovery sequence for fb%d\n", mfd->index);
__overlay_kickoff_requeue(mfd);
}
__mdss_mdp_overlay_free_list_purge(mfd);
list_for_each_entry_safe(buf, tmpbuf, &mdp5_data->bufs_used, buf_list) {
if (buf->state == MDP_BUF_STATE_CLEANUP)
list_move(&buf->buf_list, &mdp5_data->bufs_freelist);
}
list_for_each_entry_safe(pipe, tmp, destroy_pipes, list) {
list_del_init(&pipe->list);
if (recovery_mode) {
mdss_mdp_mixer_pipe_unstage(pipe, pipe->mixer_left);
mdss_mdp_mixer_pipe_unstage(pipe, pipe->mixer_right);
}
__overlay_pipe_cleanup(mfd, pipe);
}
mutex_unlock(&mdp5_data->list_lock);
}
void mdss_mdp_handoff_cleanup_pipes(struct msm_fb_data_type *mfd,
u32 type)
{
u32 i, npipes;
struct mdss_mdp_pipe *pipes;
struct mdss_mdp_pipe *pipe;
struct mdss_overlay_private *mdp5_data = mfd_to_mdp5_data(mfd);
struct mdss_data_type *mdata = mfd_to_mdata(mfd);
switch (type) {
case MDSS_MDP_PIPE_TYPE_VIG:
pipes = mdata->vig_pipes;
npipes = mdata->nvig_pipes;
break;
case MDSS_MDP_PIPE_TYPE_RGB:
pipes = mdata->rgb_pipes;
npipes = mdata->nrgb_pipes;
break;
case MDSS_MDP_PIPE_TYPE_DMA:
pipes = mdata->dma_pipes;
npipes = mdata->ndma_pipes;
break;
default:
return;
}
for (i = 0; i < npipes; i++) {
pipe = &pipes[i];
if (pipe->is_handed_off) {
pr_debug("Unmapping handed off pipe %d\n", pipe->num);
list_add(&pipe->list, &mdp5_data->pipes_cleanup);
mdss_mdp_mixer_pipe_unstage(pipe, pipe->mixer_left);
pipe->is_handed_off = false;
}
}
}
/**
* mdss_mdp_overlay_start() - Programs the MDP control data path to hardware
* @mfd: Msm frame buffer structure associated with fb device.
*
* Program the MDP hardware with the control settings for the framebuffer
* device. In addition to this, this function also handles the transition
* from the the splash screen to the android boot animation when the
* continuous splash screen feature is enabled.
*/
int mdss_mdp_overlay_start(struct msm_fb_data_type *mfd)
{
int rc;
struct mdss_overlay_private *mdp5_data = mfd_to_mdp5_data(mfd);
struct mdss_mdp_ctl *ctl = mdp5_data->ctl;
if (mdss_mdp_ctl_is_power_on(ctl)) {
if (!mdp5_data->mdata->batfet)
mdss_mdp_batfet_ctrl(mdp5_data->mdata, true);
mdss_mdp_release_splash_pipe(mfd);
return 0;
} else if (mfd->panel_info->cont_splash_enabled) {
mutex_lock(&mdp5_data->list_lock);
rc = list_empty(&mdp5_data->pipes_used);
mutex_unlock(&mdp5_data->list_lock);
if (rc) {
pr_debug("empty kickoff on fb%d during cont splash\n",
mfd->index);
return 0;
}
}
pr_debug("starting fb%d overlay\n", mfd->index);
mdss_mdp_clk_ctrl(MDP_BLOCK_POWER_ON);
/*
* If idle pc feature is not enabled, then get a reference to the
* runtime device which will be released when overlay is turned off
*/
if (!mdp5_data->mdata->idle_pc_enabled) {
rc = pm_runtime_get_sync(&mfd->pdev->dev);
if (IS_ERR_VALUE(rc)) {
pr_err("unable to resume with pm_runtime_get_sync rc=%d\n",
rc);
goto end;
}
}
/*
* We need to do hw init before any hw programming.
* Also, hw init involves programming the VBIF registers which
* should be done only after attaching IOMMU which in turn would call
* in to TZ to restore security configs on the VBIF registers.
* This is not needed when continuous splash screen is enabled since
* we would have called in to TZ to restore security configs from LK.
*/
if (!is_mdss_iommu_attached()) {
if (!mfd->panel_info->cont_splash_enabled) {
rc = mdss_iommu_ctrl(1);
if (IS_ERR_VALUE(rc)) {
pr_err("iommu attach failed rc=%d\n", rc);
goto end;
}
mdss_hw_init(mdss_res);
mdss_iommu_ctrl(0);
}
}
/*
* Increment the overlay active count prior to calling ctl_start.
* This is needed to ensure that if idle power collapse kicks in
* right away, it would be handled correctly.
*/
atomic_inc(&mdp5_data->mdata->active_intf_cnt);
rc = mdss_mdp_ctl_start(ctl, false);
if (rc == 0) {
mdss_mdp_ctl_notifier_register(mdp5_data->ctl,
&mfd->mdp_sync_pt_data.notifier);
} else {
pr_err("mdp ctl start failed.\n");
goto ctl_error;
}
rc = mdss_mdp_splash_cleanup(mfd, true);
if (!rc)
goto end;
ctl_error:
mdss_mdp_ctl_destroy(ctl);
atomic_dec(&mdp5_data->mdata->active_intf_cnt);
mdp5_data->ctl = NULL;
end:
mdss_mdp_clk_ctrl(MDP_BLOCK_POWER_OFF);
return rc;
}
static void mdss_mdp_overlay_update_pm(struct mdss_overlay_private *mdp5_data)
{
ktime_t wakeup_time;
if (!mdp5_data->cpu_pm_hdl)
return;
if (mdss_mdp_display_wakeup_time(mdp5_data->ctl, &wakeup_time))
return;
activate_event_timer(mdp5_data->cpu_pm_hdl, wakeup_time);
}
static int __overlay_queue_pipes(struct msm_fb_data_type *mfd)
{
struct mdss_overlay_private *mdp5_data = mfd_to_mdp5_data(mfd);
struct mdss_mdp_pipe *pipe;
struct mdss_mdp_ctl *ctl = mfd_to_ctl(mfd);
struct mdss_mdp_ctl *tmp;
int ret = 0;
list_for_each_entry(pipe, &mdp5_data->pipes_used, list) {
struct mdss_mdp_data *buf;
/*
* When secure display is enabled, if there is a non secure
* display pipe, skip that
*/
if (mdss_get_sd_client_cnt() &&
!(pipe->flags & MDP_SECURE_DISPLAY_OVERLAY_SESSION)) {
pr_warn("Non secure pipe during secure display: %u: %08X, skip\n",
pipe->num, pipe->flags);
continue;
}
/*
* When external is connected and no dedicated wfd is present,
* reprogram DMA pipe before kickoff to clear out any previous
* block mode configuration.
*/
if ((pipe->type == MDSS_MDP_PIPE_TYPE_DMA) &&
(ctl->shared_lock &&
(ctl->mdata->wfd_mode == MDSS_MDP_WFD_SHARED))) {
if (ctl->mdata->mixer_switched) {
ret = mdss_mdp_overlay_pipe_setup(mfd,
&pipe->req_data, &pipe, NULL, false);
pr_debug("reseting DMA pipe for ctl=%d",
ctl->num);
}
if (ret) {
pr_err("can't reset DMA pipe ret=%d ctl=%d\n",
ret, ctl->num);
return ret;
}
tmp = mdss_mdp_ctl_mixer_switch(ctl,
MDSS_MDP_WB_CTL_TYPE_LINE);
if (!tmp)
return -EINVAL;
pipe->mixer_left = mdss_mdp_mixer_get(tmp,
MDSS_MDP_MIXER_MUX_DEFAULT);
}
buf = list_first_entry_or_null(&pipe->buf_queue,
struct mdss_mdp_data, pipe_list);
if (buf) {
switch (buf->state) {
case MDP_BUF_STATE_READY:
pr_debug("pnum=%d buf=%p first buffer ready\n",
pipe->num, buf);
break;
case MDP_BUF_STATE_ACTIVE:
if (list_is_last(&buf->pipe_list,
&pipe->buf_queue)) {
pr_debug("pnum=%d no buf update\n",
pipe->num);
} else {
struct mdss_mdp_data *tmp = buf;
/*
* buffer flip, new buffer will
* replace currently active one,
* mark currently active for cleanup
*/
buf = list_next_entry(tmp, pipe_list);
__pipe_buf_mark_cleanup(mfd, tmp);
}
break;
default:
pr_err("invalid state of buf %p=%d\n",
buf, buf->state);
BUG();
break;
}
}
/* ensure pipes are reconfigured after power off/on */
if (ctl->play_cnt == 0)
pipe->params_changed++;
if (buf && (buf->state == MDP_BUF_STATE_READY)) {
buf->state = MDP_BUF_STATE_ACTIVE;
ret = mdss_mdp_data_map(buf);
} else if (!pipe->params_changed) {
/* nothing to update so continue with next */
continue;
} else if (buf) {
BUG_ON(buf->state != MDP_BUF_STATE_ACTIVE);
pr_debug("requeueing active buffer on pnum=%d\n",
pipe->num);
} else if ((pipe->flags & MDP_SOLID_FILL) == 0) {
pr_warn("commit without buffer on pipe %d\n",
pipe->num);
ret = -EINVAL;
}
/*
* if we reach here without errors and buf == NULL
* then solid fill will be set
*/
if (!IS_ERR_VALUE(ret))
ret = mdss_mdp_pipe_queue_data(pipe, buf);
if (IS_ERR_VALUE(ret)) {
pr_warn("Unable to queue data for pnum=%d\n",
pipe->num);
mdss_mdp_mixer_pipe_unstage(pipe, pipe->mixer_left);
mdss_mdp_mixer_pipe_unstage(pipe, pipe->mixer_right);
if (buf)
__pipe_buf_mark_cleanup(mfd, buf);
}
}
return 0;
}
static void __overlay_kickoff_requeue(struct msm_fb_data_type *mfd)
{
struct mdss_mdp_ctl *ctl = mfd_to_ctl(mfd);
mdss_mdp_display_commit(ctl, NULL, NULL);
mdss_mdp_display_wait4comp(ctl);
ATRACE_BEGIN("sspp_programming");
__overlay_queue_pipes(mfd);
ATRACE_END("sspp_programming");
mdss_mdp_display_commit(ctl, NULL, NULL);
mdss_mdp_display_wait4comp(ctl);
}
static int mdss_mdp_commit_cb(enum mdp_commit_stage_type commit_stage,
void *data)
{
int ret = 0;
struct msm_fb_data_type *mfd = (struct msm_fb_data_type *)data;
struct mdss_overlay_private *mdp5_data = mfd_to_mdp5_data(mfd);
struct mdss_mdp_ctl *ctl;
switch (commit_stage) {
case MDP_COMMIT_STAGE_WAIT_FOR_PINGPONG:
ctl = mfd_to_ctl(mfd);
mdss_mdp_ctl_notify(ctl, MDP_NOTIFY_FRAME_START);
mutex_unlock(&mdp5_data->ov_lock);
break;
case MDP_COMMIT_STAGE_PINGPONG_DONE:
mutex_lock(&mdp5_data->ov_lock);
break;
default:
pr_err("Invalid commit stage %x", commit_stage);
break;
}
return ret;
}
int mdss_mdp_overlay_kickoff(struct msm_fb_data_type *mfd,
struct mdp_display_commit *data)
{
struct mdss_overlay_private *mdp5_data = mfd_to_mdp5_data(mfd);
struct mdss_mdp_pipe *pipe, *tmp;
struct mdss_mdp_ctl *ctl = mfd_to_ctl(mfd);
struct mdp_display_commit temp_data;
int ret = 0;
int sd_in_pipe = 0;
bool need_cleanup = false;
struct mdss_mdp_commit_cb commit_cb;
LIST_HEAD(destroy_pipes);
ATRACE_BEGIN(__func__);
if (ctl->shared_lock) {
mdss_mdp_ctl_notify(ctl, MDP_NOTIFY_FRAME_BEGIN);
mutex_lock(ctl->shared_lock);
}
mutex_lock(&mdp5_data->ov_lock);
ret = mdss_mdp_overlay_start(mfd);
if (ret) {
pr_err("unable to start overlay %d (%d)\n", mfd->index, ret);
mutex_unlock(&mdp5_data->ov_lock);
if (ctl->shared_lock)
mutex_unlock(ctl->shared_lock);
return ret;
}
ret = mdss_iommu_ctrl(1);
if (IS_ERR_VALUE(ret)) {
pr_err("iommu attach failed rc=%d\n", ret);
mutex_unlock(&mdp5_data->ov_lock);
if (ctl->shared_lock)
mutex_unlock(ctl->shared_lock);
return ret;
}
mutex_lock(&mdp5_data->list_lock);
/*
* check if there is a secure display session
*/
list_for_each_entry(pipe, &mdp5_data->pipes_used, list) {
if (pipe->flags & MDP_SECURE_DISPLAY_OVERLAY_SESSION) {
sd_in_pipe = 1;
pr_debug("Secure pipe: %u : %08X\n",
pipe->num, pipe->flags);
}
}
/*
* If there is no secure display session and sd_enabled, disable the
* secure display session
*/
if (!sd_in_pipe && mdp5_data->sd_enabled) {
/* disable the secure display on last client */
if (mdss_get_sd_client_cnt() == 1)
ret = mdss_mdp_secure_display_ctrl(0);
if (!ret) {
mdss_update_sd_client(mdp5_data->mdata, false);
mdp5_data->sd_enabled = 0;
}
}
if (!ctl->shared_lock)
mdss_mdp_ctl_notify(ctl, MDP_NOTIFY_FRAME_BEGIN);
mdss_mdp_clk_ctrl(MDP_BLOCK_POWER_ON);
__vsync_set_vsync_handler(mfd);
if (data) {
mdss_mdp_set_roi(ctl, data);
} else {
temp_data.l_roi = (struct mdp_rect){0, 0,
ctl->mixer_left->width, ctl->mixer_left->height};
if (ctl->mixer_right) {
temp_data.r_roi = (struct mdp_rect) {0, 0,
ctl->mixer_right->width, ctl->mixer_right->height};
}
mdss_mdp_set_roi(ctl, &temp_data);
}
/*
* Setup pipe in solid fill before unstaging,
* to ensure no fetches are happening after dettach or reattach.
*/
list_for_each_entry_safe(pipe, tmp, &mdp5_data->pipes_cleanup, list) {
mdss_mdp_pipe_queue_data(pipe, NULL);
mdss_mdp_mixer_pipe_unstage(pipe, pipe->mixer_left);
mdss_mdp_mixer_pipe_unstage(pipe, pipe->mixer_right);
list_move(&pipe->list, &destroy_pipes);
need_cleanup = true;
}
ATRACE_BEGIN("sspp_programming");
ret = __overlay_queue_pipes(mfd);
ATRACE_END("sspp_programming");
mutex_unlock(&mdp5_data->list_lock);
if (mfd->panel.type == WRITEBACK_PANEL) {
ATRACE_BEGIN("wb_kickoff");
ret = mdss_mdp_wb_kickoff(mfd);
ATRACE_END("wb_kickoff");
} else if (!need_cleanup) {
ATRACE_BEGIN("display_commit");
commit_cb.commit_cb_fnc = mdss_mdp_commit_cb;
commit_cb.data = mfd;
ret = mdss_mdp_display_commit(mdp5_data->ctl, NULL,
&commit_cb);
ATRACE_END("display_commit");
} else {
ATRACE_BEGIN("display_commit");
ret = mdss_mdp_display_commit(mdp5_data->ctl, NULL,
NULL);
ATRACE_END("display_commit");
}
/* MDP_NOTIFY_FRAME_START is sent in cb for command panel */
if ((!need_cleanup) && (!mdp5_data->ctl->wait_pingpong))
mdss_mdp_ctl_notify(ctl, MDP_NOTIFY_FRAME_START);
if (IS_ERR_VALUE(ret))
goto commit_fail;
mutex_unlock(&mdp5_data->ov_lock);
mdss_mdp_overlay_update_pm(mdp5_data);
ATRACE_BEGIN("display_wait4comp");
ret = mdss_mdp_display_wait4comp(mdp5_data->ctl);
ATRACE_END("display_wait4comp");
mutex_lock(&mdp5_data->ov_lock);
if (ret == 0) {
if (!mdp5_data->sd_enabled && sd_in_pipe) {
if (!mdss_get_sd_client_cnt())
ret = mdss_mdp_secure_display_ctrl(1);
if (!ret) {
mdp5_data->sd_enabled = 1;
mdss_update_sd_client(mdp5_data->mdata, true);
}
}
}
mdss_fb_update_notify_update(mfd);
commit_fail:
ATRACE_BEGIN("overlay_cleanup");
mdss_mdp_overlay_cleanup(mfd, &destroy_pipes);
ATRACE_END("overlay_cleanup");
mdss_mdp_clk_ctrl(MDP_BLOCK_POWER_OFF);
mdss_mdp_ctl_notify(ctl, MDP_NOTIFY_FRAME_FLUSHED);
if (need_cleanup)
mdss_mdp_ctl_notify(ctl, MDP_NOTIFY_FRAME_START);
mutex_unlock(&mdp5_data->ov_lock);
if (ctl->shared_lock)
mutex_unlock(ctl->shared_lock);
mdss_iommu_ctrl(0);
ATRACE_END(__func__);
return ret;
}
int mdss_mdp_overlay_release(struct msm_fb_data_type *mfd, int ndx)
{
struct mdss_mdp_pipe *pipe, *tmp;
struct mdss_overlay_private *mdp5_data = mfd_to_mdp5_data(mfd);
u32 unset_ndx = 0;
int destroy_pipe;
mutex_lock(&mdp5_data->list_lock);
list_for_each_entry_safe(pipe, tmp, &mdp5_data->pipes_used, list) {
if (pipe->ndx & ndx) {
if (mdss_mdp_pipe_map(pipe)) {
pr_err("Unable to map used pipe%d ndx=%x\n",
pipe->num, pipe->ndx);
continue;
}
unset_ndx |= pipe->ndx;
pipe->pid = 0;
destroy_pipe = pipe->play_cnt == 0;
if (!destroy_pipe)
list_move(&pipe->list,
&mdp5_data->pipes_cleanup);
else
list_del_init(&pipe->list);
mdss_mdp_pipe_unmap(pipe);
if (destroy_pipe)
__overlay_pipe_cleanup(mfd, pipe);
if (unset_ndx == ndx)
break;
}
}
mutex_unlock(&mdp5_data->list_lock);
if (unset_ndx != ndx) {
pr_warn("Unable to unset pipe(s) ndx=0x%x unset=0x%x\n",
ndx, unset_ndx);
return -ENOENT;
}
return 0;
}
static int mdss_mdp_overlay_unset(struct msm_fb_data_type *mfd, int ndx)
{
int ret = 0;
struct mdss_overlay_private *mdp5_data;
if (!mfd)
return -ENODEV;
mdp5_data = mfd_to_mdp5_data(mfd);
if (!mdp5_data || !mdp5_data->ctl)
return -ENODEV;
ret = mutex_lock_interruptible(&mdp5_data->ov_lock);
if (ret)
return ret;
if (ndx == BORDERFILL_NDX) {
pr_debug("borderfill disable\n");
mdp5_data->borderfill_enable = false;
ret = 0;
goto done;
}
if (mdss_fb_is_power_off(mfd)) {
ret = -EPERM;
goto done;
}
pr_debug("unset ndx=%x\n", ndx);
if (ndx & MDSS_MDP_ROT_SESSION_MASK) {
ret = mdss_mdp_rotator_unset(ndx);
} else {
ret = mdss_mdp_overlay_release(mfd, ndx);
}
done:
mutex_unlock(&mdp5_data->ov_lock);
return ret;
}
/**
* mdss_mdp_overlay_release_all() - release any overlays associated with fb dev
* @mfd: Msm frame buffer structure associated with fb device
* @release_all: ignore pid and release all the pipes
*
* Release any resources allocated by calling process, this can be called
* on fb_release to release any overlays/rotator sessions left open.
*/
static int __mdss_mdp_overlay_release_all(struct msm_fb_data_type *mfd,
bool release_all)
{
struct mdss_mdp_pipe *pipe;
struct mdss_mdp_rotator_session *rot, *tmp;
struct mdss_overlay_private *mdp5_data = mfd_to_mdp5_data(mfd);
u32 unset_ndx = 0;
int cnt = 0;
int pid = current->tgid;
pr_debug("releasing all resources for fb%d pid=%d\n", mfd->index, pid);
mutex_lock(&mdp5_data->ov_lock);
mutex_lock(&mdp5_data->list_lock);
list_for_each_entry(pipe, &mdp5_data->pipes_used, list) {
if (release_all || (pipe->pid == pid)) {
unset_ndx |= pipe->ndx;
cnt++;
}
}
if (!mfd->ref_cnt && !list_empty(&mdp5_data->pipes_cleanup)) {
pr_debug("fb%d:: free pipes present in cleanup list",
mfd->index);
cnt++;
}
pr_debug("release_all=%d mfd->ref_cnt=%d unset_ndx=0x%x cnt=%d\n",
release_all, mfd->ref_cnt, unset_ndx, cnt);
mutex_unlock(&mdp5_data->list_lock);
if (unset_ndx) {
pr_debug("%d pipes need cleanup (%x)\n", cnt, unset_ndx);
mdss_mdp_overlay_release(mfd, unset_ndx);
}
mutex_unlock(&mdp5_data->ov_lock);
if (cnt)
mfd->mdp.kickoff_fnc(mfd, NULL);
list_for_each_entry_safe(rot, tmp, &mdp5_data->rot_proc_list, list) {
if (rot->pid == pid) {
if (!list_empty(&rot->list))
list_del_init(&rot->list);
mdss_mdp_rotator_release(rot);
}
}
return 0;
}
static int mdss_mdp_overlay_play_wait(struct msm_fb_data_type *mfd,
struct msmfb_overlay_data *req)
{
int ret = 0;
if (!mfd)
return -ENODEV;
ret = mfd->mdp.kickoff_fnc(mfd, NULL);
if (!ret)
pr_err("error displaying\n");
return ret;
}
static int mdss_mdp_overlay_queue(struct msm_fb_data_type *mfd,
struct msmfb_overlay_data *req)
{
struct mdss_overlay_private *mdp5_data = mfd_to_mdp5_data(mfd);
struct mdss_mdp_pipe *pipe;
struct mdss_mdp_data *src_data;
int ret;
u32 flags;
pipe = __overlay_find_pipe(mfd, req->id);
if (!pipe) {
pr_err("pipe ndx=%x doesn't exist\n", req->id);
return -ENODEV;
}
ret = mdss_mdp_pipe_map(pipe);
if (IS_ERR_VALUE(ret)) {
pr_err("Unable to map used pipe%d ndx=%x\n",
pipe->num, pipe->ndx);
return ret;
}
pr_debug("ov queue pnum=%d\n", pipe->num);
if (pipe->flags & MDP_SOLID_FILL)
pr_warn("Unexpected buffer queue to a solid fill pipe\n");
flags = (pipe->flags & MDP_SECURE_OVERLAY_SESSION);
mutex_lock(&mdp5_data->list_lock);
src_data = mdss_mdp_overlay_buf_alloc(mfd, pipe);
if (!src_data) {
pr_err("unable to allocate source buffer\n");
ret = -ENOMEM;
} else {
ret = mdss_mdp_data_get(src_data, &req->data,
1, flags);
if (IS_ERR_VALUE(ret)) {
mdss_mdp_overlay_buf_free(mfd, src_data);
pr_err("src_data pmem error\n");
}
}
mutex_unlock(&mdp5_data->list_lock);
mdss_mdp_pipe_unmap(pipe);
return ret;
}
static int mdss_mdp_overlay_play(struct msm_fb_data_type *mfd,
struct msmfb_overlay_data *req)
{
struct mdss_overlay_private *mdp5_data = mfd_to_mdp5_data(mfd);
int ret = 0;
pr_debug("play req id=%x\n", req->id);
ret = mutex_lock_interruptible(&mdp5_data->ov_lock);
if (ret)
return ret;
if (mdss_fb_is_power_off(mfd)) {
ret = -EPERM;
goto done;
}
if (req->id & MDSS_MDP_ROT_SESSION_MASK) {
ret = mdss_mdp_rotator_play(mfd, req);
} else if (req->id == BORDERFILL_NDX) {
pr_debug("borderfill enable\n");
mdp5_data->borderfill_enable = true;
ret = mdss_mdp_overlay_free_fb_pipe(mfd);
} else {
ret = mdss_mdp_overlay_queue(mfd, req);
}
done:
mutex_unlock(&mdp5_data->ov_lock);
return ret;
}
static int mdss_mdp_overlay_free_fb_pipe(struct msm_fb_data_type *mfd)
{
struct mdss_mdp_pipe *pipe;
u32 fb_ndx = 0;
struct mdss_overlay_private *mdp5_data = mfd_to_mdp5_data(mfd);
pipe = mdss_mdp_get_staged_pipe(mdp5_data->ctl,
MDSS_MDP_MIXER_MUX_LEFT, MDSS_MDP_STAGE_BASE, false);
if (pipe)
fb_ndx |= pipe->ndx;
pipe = mdss_mdp_get_staged_pipe(mdp5_data->ctl,
MDSS_MDP_MIXER_MUX_RIGHT, MDSS_MDP_STAGE_BASE, false);
if (pipe)
fb_ndx |= pipe->ndx;
if (fb_ndx) {
pr_debug("unstaging framebuffer pipes %x\n", fb_ndx);
mdss_mdp_overlay_release(mfd, fb_ndx);
}
return 0;
}
static int mdss_mdp_overlay_get_fb_pipe(struct msm_fb_data_type *mfd,
struct mdss_mdp_pipe **ppipe,
int mixer_mux)
{
struct mdss_overlay_private *mdp5_data = mfd_to_mdp5_data(mfd);
struct mdss_mdp_pipe *pipe;
int ret;
pipe = mdss_mdp_get_staged_pipe(mdp5_data->ctl, mixer_mux,
MDSS_MDP_STAGE_BASE, false);
if (pipe == NULL) {
struct mdp_overlay req;
struct fb_info *fbi = mfd->fbi;
struct mdss_mdp_mixer *mixer;
int bpp;
mixer = mdss_mdp_mixer_get(mdp5_data->ctl,
MDSS_MDP_MIXER_MUX_LEFT);
if (!mixer) {
pr_err("unable to retrieve mixer\n");
return -ENODEV;
}
memset(&req, 0, sizeof(req));
bpp = fbi->var.bits_per_pixel / 8;
req.id = MSMFB_NEW_REQUEST;
req.src.format = mfd->fb_imgType;
req.src.height = fbi->var.yres;
req.src.width = fbi->fix.line_length / bpp;
if (mixer_mux == MDSS_MDP_MIXER_MUX_RIGHT) {
if (req.src.width <= mixer->width) {
pr_warn("right fb pipe not needed\n");
return -EINVAL;
}
req.src_rect.x = mixer->width;
req.src_rect.w = fbi->var.xres - mixer->width;
} else {
req.src_rect.x = 0;
req.src_rect.w = MIN(fbi->var.xres,
mixer->width);
}
req.src_rect.y = 0;
req.src_rect.h = req.src.height;
req.dst_rect = req.src_rect;
req.z_order = MDSS_MDP_STAGE_BASE;
pr_debug("allocating base pipe mux=%d\n", mixer_mux);
ret = mdss_mdp_overlay_pipe_setup(mfd, &req, &pipe, NULL,
false);
if (ret)
return ret;
}
pr_debug("ctl=%d pnum=%d\n", mdp5_data->ctl->num, pipe->num);
*ppipe = pipe;
return 0;
}
static void mdss_mdp_overlay_pan_display(struct msm_fb_data_type *mfd)
{
struct mdss_mdp_data *buf_l = NULL, *buf_r = NULL;
struct mdss_mdp_pipe *pipe;
struct fb_info *fbi;
struct mdss_overlay_private *mdp5_data;
struct mdss_data_type *mdata;
u32 offset;
int bpp, ret;
if (!mfd)
return;
mdata = mfd_to_mdata(mfd);
fbi = mfd->fbi;
mdp5_data = mfd_to_mdp5_data(mfd);
if (!mdp5_data || !mdp5_data->ctl)
return;
if (!fbi->fix.smem_start || fbi->fix.smem_len == 0 ||
mdp5_data->borderfill_enable) {
mfd->mdp.kickoff_fnc(mfd, NULL);
return;
}
if (mutex_lock_interruptible(&mdp5_data->ov_lock))
return;
if ((mdss_fb_is_power_off(mfd)) &&
!((mfd->dcm_state == DCM_ENTER) &&
(mfd->panel.type == MIPI_CMD_PANEL))) {
mutex_unlock(&mdp5_data->ov_lock);
return;
}
mdss_mdp_clk_ctrl(MDP_BLOCK_POWER_ON);
ret = mdss_iommu_ctrl(1);
if (IS_ERR_VALUE(ret)) {
pr_err("IOMMU attach failed\n");
goto pan_display_error;
}
bpp = fbi->var.bits_per_pixel / 8;
offset = fbi->var.xoffset * bpp +
fbi->var.yoffset * fbi->fix.line_length;
if (offset > fbi->fix.smem_len) {
pr_err("invalid fb offset=%u total length=%u\n",
offset, fbi->fix.smem_len);
goto pan_display_error;
}
ret = mdss_mdp_overlay_start(mfd);
if (ret) {
pr_err("unable to start overlay %d (%d)\n", mfd->index, ret);
goto pan_display_error;
}
ret = mdss_mdp_overlay_get_fb_pipe(mfd, &pipe,
MDSS_MDP_MIXER_MUX_LEFT);
if (ret) {
pr_err("unable to allocate base pipe\n");
goto pan_display_error;
}
if (mdss_mdp_pipe_map(pipe)) {
pr_err("unable to map base pipe\n");
goto pan_display_error;
}
buf_l = mdss_mdp_overlay_buf_alloc(mfd, pipe);
if (!buf_l) {
pr_err("unable to allocate memory for fb buffer\n");
goto pan_display_error;
}
if (is_mdss_iommu_attached()) {
if (!mfd->iova) {
pr_err("mfd iova is zero\n");
mdss_mdp_pipe_unmap(pipe);
goto pan_display_error;
}
buf_l->p[0].addr = mfd->iova;
} else {
buf_l->p[0].addr = fbi->fix.smem_start;
}
buf_l->p[0].addr += offset;
buf_l->p[0].len = fbi->fix.smem_len - offset;
buf_l->num_planes = 1;
mdss_mdp_pipe_unmap(pipe);
if (fbi->var.xres > mdata->max_mixer_width || is_split_lm(mfd)) {
ret = mdss_mdp_overlay_get_fb_pipe(mfd, &pipe,
MDSS_MDP_MIXER_MUX_RIGHT);
if (ret) {
pr_err("unable to allocate right base pipe\n");
goto pan_display_error;
}
if (mdss_mdp_pipe_map(pipe)) {
pr_err("unable to map right base pipe\n");
goto pan_display_error;
}
buf_r = mdss_mdp_overlay_buf_alloc(mfd, pipe);
if (!buf_r) {
pr_err("unable to allocate memory for fb buffer\n");
goto pan_display_error;
}
buf_r->p[0] = buf_l->p[0];
buf_r->num_planes = 1;
mdss_mdp_pipe_unmap(pipe);
}
mutex_unlock(&mdp5_data->ov_lock);
if ((fbi->var.activate & FB_ACTIVATE_VBL) ||
(fbi->var.activate & FB_ACTIVATE_FORCE))
mfd->mdp.kickoff_fnc(mfd, NULL);
mdss_iommu_ctrl(0);
mdss_mdp_clk_ctrl(MDP_BLOCK_POWER_OFF);
return;
pan_display_error:
if (buf_l)
mdss_mdp_overlay_buf_free(mfd, buf_l);
if (buf_r)
mdss_mdp_overlay_buf_free(mfd, buf_r);
mdss_iommu_ctrl(0);
mdss_mdp_clk_ctrl(MDP_BLOCK_POWER_OFF);
mutex_unlock(&mdp5_data->ov_lock);
}
static void remove_underrun_vsync_handler(struct work_struct *work)
{
int rc;
struct mdss_mdp_ctl *ctl =
container_of(work, typeof(*ctl), remove_underrun_handler);
if (!ctl || !ctl->remove_vsync_handler) {
pr_err("ctl or vsync handler is NULL\n");
return;
}
mdss_mdp_clk_ctrl(MDP_BLOCK_POWER_ON);
rc = ctl->remove_vsync_handler(ctl,
&ctl->recover_underrun_handler);
mdss_mdp_clk_ctrl(MDP_BLOCK_POWER_OFF);
}
static void mdss_mdp_recover_underrun_handler(struct mdss_mdp_ctl *ctl,
ktime_t t)
{
if (!ctl) {
pr_err("ctl is NULL\n");
return;
}
mdss_mdp_ctl_reset(ctl);
schedule_work(&ctl->remove_underrun_handler);
}
/* function is called in irq context should have minimum processing */
static void mdss_mdp_overlay_handle_vsync(struct mdss_mdp_ctl *ctl,
ktime_t t)
{
struct msm_fb_data_type *mfd = NULL;
struct mdss_overlay_private *mdp5_data = NULL;
if (!ctl) {
pr_err("ctl is NULL\n");
return;
}
mfd = ctl->mfd;
if (!mfd || !mfd->mdp.private1) {
pr_warn("Invalid handle for vsync\n");
return;
}
mdp5_data = mfd_to_mdp5_data(mfd);
if (!mdp5_data) {
pr_err("mdp5_data is NULL\n");
return;
}
pr_debug("vsync on fb%d play_cnt=%d\n", mfd->index, ctl->play_cnt);
mdp5_data->vsync_time = t;
sysfs_notify_dirent(mdp5_data->vsync_event_sd);
}
int mdss_mdp_overlay_vsync_ctrl(struct msm_fb_data_type *mfd, int en)
{
struct mdss_mdp_ctl *ctl = mfd_to_ctl(mfd);
int rc;
if (!ctl)
return -ENODEV;
if (!ctl->add_vsync_handler || !ctl->remove_vsync_handler)
return -EOPNOTSUPP;
if (!ctl->panel_data->panel_info.cont_splash_enabled
&& !mdss_mdp_ctl_is_power_on(ctl)) {
pr_debug("fb%d vsync pending first update en=%d\n",
mfd->index, en);
return -EPERM;
}
pr_debug("fb%d vsync en=%d\n", mfd->index, en);
mdss_mdp_clk_ctrl(MDP_BLOCK_POWER_ON);
if (en)
rc = ctl->add_vsync_handler(ctl, &ctl->vsync_handler);
else
rc = ctl->remove_vsync_handler(ctl, &ctl->vsync_handler);
mdss_mdp_clk_ctrl(MDP_BLOCK_POWER_OFF);
return rc;
}
static ssize_t dynamic_fps_sysfs_rda_dfps(struct device *dev,
struct device_attribute *attr, char *buf)
{
ssize_t ret;
struct mdss_panel_data *pdata;
struct fb_info *fbi = dev_get_drvdata(dev);
struct msm_fb_data_type *mfd = (struct msm_fb_data_type *)fbi->par;
struct mdss_overlay_private *mdp5_data = mfd_to_mdp5_data(mfd);
if (!mdp5_data->ctl || !mdss_mdp_ctl_is_power_on(mdp5_data->ctl))
return 0;
pdata = dev_get_platdata(&mfd->pdev->dev);
if (!pdata) {
pr_err("no panel connected for fb%d\n", mfd->index);
return -ENODEV;
}
mutex_lock(&mdp5_data->dfps_lock);
ret = snprintf(buf, PAGE_SIZE, "%d\n",
pdata->panel_info.mipi.frame_rate);
pr_debug("%s: '%d'\n", __func__,
pdata->panel_info.mipi.frame_rate);
mutex_unlock(&mdp5_data->dfps_lock);
return ret;
} /* dynamic_fps_sysfs_rda_dfps */
static ssize_t dynamic_fps_sysfs_wta_dfps(struct device *dev,
struct device_attribute *attr, const char *buf, size_t count)
{
int dfps, rc = 0;
struct mdss_panel_data *pdata;
struct fb_info *fbi = dev_get_drvdata(dev);
struct msm_fb_data_type *mfd = (struct msm_fb_data_type *)fbi->par;
struct mdss_overlay_private *mdp5_data = mfd_to_mdp5_data(mfd);
rc = kstrtoint(buf, 10, &dfps);
if (rc) {
pr_err("%s: kstrtoint failed. rc=%d\n", __func__, rc);
return rc;
}
if (!mdp5_data->ctl || !mdss_mdp_ctl_is_power_on(mdp5_data->ctl))
return 0;
pdata = dev_get_platdata(&mfd->pdev->dev);
if (!pdata) {
pr_err("no panel connected for fb%d\n", mfd->index);
return -ENODEV;
}
if (dfps == pdata->panel_info.mipi.frame_rate) {
pr_debug("%s: FPS is already %d\n",
__func__, dfps);
return count;
}
mutex_lock(&mdp5_data->dfps_lock);
if (dfps < 30) {
pr_err("Unsupported FPS. Configuring to min_fps = 30\n");
dfps = 30;
rc = mdss_mdp_ctl_update_fps(mdp5_data->ctl, dfps);
} else if (dfps > 60) {
pr_err("Unsupported FPS. Configuring to max_fps = 60\n");
dfps = 60;
rc = mdss_mdp_ctl_update_fps(mdp5_data->ctl, dfps);
} else {
rc = mdss_mdp_ctl_update_fps(mdp5_data->ctl, dfps);
}
if (!rc) {
pr_info("%s: configured to '%d' FPS\n", __func__, dfps);
} else {
pr_err("Failed to configure '%d' FPS. rc = %d\n",
dfps, rc);
mutex_unlock(&mdp5_data->dfps_lock);
return rc;
}
pdata->panel_info.new_fps = dfps;
mutex_unlock(&mdp5_data->dfps_lock);
return count;
} /* dynamic_fps_sysfs_wta_dfps */
static DEVICE_ATTR(dynamic_fps, S_IRUGO | S_IWUSR, dynamic_fps_sysfs_rda_dfps,
dynamic_fps_sysfs_wta_dfps);
static struct attribute *dynamic_fps_fs_attrs[] = {
&dev_attr_dynamic_fps.attr,
NULL,
};
static struct attribute_group dynamic_fps_fs_attrs_group = {
.attrs = dynamic_fps_fs_attrs,
};
static ssize_t mdss_mdp_vsync_show_event(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct fb_info *fbi = dev_get_drvdata(dev);
struct msm_fb_data_type *mfd = (struct msm_fb_data_type *)fbi->par;
struct mdss_overlay_private *mdp5_data = mfd_to_mdp5_data(mfd);
u64 vsync_ticks;
int ret;
if (!mdp5_data->ctl ||
(!mdp5_data->ctl->panel_data->panel_info.cont_splash_enabled
&& !mdss_mdp_ctl_is_power_on(mdp5_data->ctl)))
return -EAGAIN;
vsync_ticks = ktime_to_ns(mdp5_data->vsync_time);
pr_debug("fb%d vsync=%llu\n", mfd->index, vsync_ticks);
ret = scnprintf(buf, PAGE_SIZE, "VSYNC=%llu\n", vsync_ticks);
return ret;
}
static inline int mdss_mdp_ad_is_supported(struct msm_fb_data_type *mfd)
{
struct mdss_mdp_ctl *ctl = mfd_to_ctl(mfd);
struct mdss_mdp_mixer *mixer;
if (!ctl) {
pr_debug("there is no ctl attached to fb\n");
return 0;
}
mixer = mdss_mdp_mixer_get(ctl, MDSS_MDP_MIXER_MUX_LEFT);
if (mixer && (mixer->num > ctl->mdata->nad_cfgs)) {
if (!mixer)
pr_warn("there is no mixer attached to fb\n");
else
pr_debug("mixer attached (%d) doesnt support ad\n",
mixer->num);
return 0;
}
mixer = mdss_mdp_mixer_get(ctl, MDSS_MDP_MIXER_MUX_RIGHT);
if (mixer && (mixer->num > ctl->mdata->nad_cfgs))
return 0;
return 1;
}
static ssize_t mdss_mdp_ad_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct fb_info *fbi = dev_get_drvdata(dev);
struct msm_fb_data_type *mfd = fbi->par;
struct mdss_overlay_private *mdp5_data = mfd_to_mdp5_data(mfd);
int ret, state;
state = mdss_mdp_ad_is_supported(mfd) ? mdp5_data->ad_state : -1;
ret = scnprintf(buf, PAGE_SIZE, "%d", state);
return ret;
}
static ssize_t mdss_mdp_ad_store(struct device *dev,
struct device_attribute *attr, const char *buf, size_t count)
{
struct fb_info *fbi = dev_get_drvdata(dev);
struct msm_fb_data_type *mfd = fbi->par;
struct mdss_overlay_private *mdp5_data = mfd_to_mdp5_data(mfd);
int ret, ad;
ret = kstrtoint(buf, 10, &ad);
if (ret) {
pr_err("Invalid input for ad\n");
return -EINVAL;
}
mdp5_data->ad_state = ad;
sysfs_notify(&dev->kobj, NULL, "ad");
return count;
}
static DEVICE_ATTR(vsync_event, S_IRUGO, mdss_mdp_vsync_show_event, NULL);
static DEVICE_ATTR(ad, S_IRUGO | S_IWUSR | S_IWGRP, mdss_mdp_ad_show,
mdss_mdp_ad_store);
static struct attribute *mdp_overlay_sysfs_attrs[] = {
&dev_attr_vsync_event.attr,
&dev_attr_ad.attr,
NULL,
};
static struct attribute_group mdp_overlay_sysfs_group = {
.attrs = mdp_overlay_sysfs_attrs,
};
static int mdss_mdp_hw_cursor_update(struct msm_fb_data_type *mfd,
struct fb_cursor *cursor)
{
struct mdss_overlay_private *mdp5_data = mfd_to_mdp5_data(mfd);
struct mdss_mdp_mixer *mixer;
struct fb_image *img = &cursor->image;
u32 blendcfg;
int ret = 0;
u32 xres = mfd->fbi->var.xres;
u32 yres = mfd->fbi->var.yres;
u32 start_x = img->dx;
u32 start_y = img->dy;
u32 roi_x = 0;
u32 roi_y = 0;
int roi_w = 0;
int roi_h = 0;
int roi_size = 0;
mixer = mdss_mdp_mixer_get(mdp5_data->ctl, MDSS_MDP_MIXER_MUX_DEFAULT);
if (!mixer)
return -ENODEV;
if (!mfd->cursor_buf && (cursor->set & FB_CUR_SETIMAGE)) {
mfd->cursor_buf = dma_alloc_coherent(NULL, MDSS_MDP_CURSOR_SIZE,
(dma_addr_t *) &mfd->cursor_buf_phys,
GFP_KERNEL);
if (!mfd->cursor_buf) {
pr_err("can't allocate cursor buffer\n");
return -ENOMEM;
}
ret = msm_iommu_map_contig_buffer(mfd->cursor_buf_phys,
mdss_get_iommu_domain(MDSS_IOMMU_DOMAIN_UNSECURE),
0, MDSS_MDP_CURSOR_SIZE, SZ_4K, 0,
&(mfd->cursor_buf_iova));
if (IS_ERR_VALUE(ret)) {
dma_free_coherent(NULL, MDSS_MDP_CURSOR_SIZE,
mfd->cursor_buf,
(dma_addr_t) mfd->cursor_buf_phys);
pr_err("unable to map cursor buffer to iommu(%d)\n",
ret);
return ret;
}
mixer->cursor_hotx = 0;
mixer->cursor_hoty = 0;
}
if ((img->width > MDSS_MDP_CURSOR_WIDTH) ||
(img->height > MDSS_MDP_CURSOR_HEIGHT) ||
(img->depth != 32) || (start_x >= xres) || (start_y >= yres))
return -EINVAL;
pr_debug("mixer=%d enable=%x set=%x\n", mixer->num, cursor->enable,
cursor->set);
mdss_mdp_clk_ctrl(MDP_BLOCK_POWER_ON);
blendcfg = mdp_mixer_read(mixer, MDSS_MDP_REG_LM_CURSOR_BLEND_CONFIG);
if (cursor->set & FB_CUR_SETHOT) {
if ((cursor->hot.x < img->width) &&
(cursor->hot.y < img->height)) {
mixer->cursor_hotx = cursor->hot.x;
mixer->cursor_hoty = cursor->hot.y;
/* Update cursor position */
cursor->set |= FB_CUR_SETPOS;
} else {
pr_err("Invalid cursor hotspot coordinates\n");
return -EINVAL;
}
}
if (start_x > mixer->cursor_hotx) {
start_x -= mixer->cursor_hotx;
} else {
roi_x = mixer->cursor_hotx - start_x;
start_x = 0;
}
if (start_y > mixer->cursor_hoty) {
start_y -= mixer->cursor_hoty;
} else {
roi_y = mixer->cursor_hoty - start_y;
start_y = 0;
}
roi_w = min(xres - start_x, img->width - roi_x);
roi_h = min(yres - start_y, img->height - roi_y);
roi_size = (roi_h << 16) | roi_w;
if (cursor->set & FB_CUR_SETPOS) {
mdp_mixer_write(mixer, MDSS_MDP_REG_LM_CURSOR_XY,
(roi_y << 16) | roi_x);
mdp_mixer_write(mixer, MDSS_MDP_REG_LM_CURSOR_START_XY,
(start_y << 16) | start_x);
mdp_mixer_write(mixer, MDSS_MDP_REG_LM_CURSOR_SIZE, roi_size);
}
if (cursor->set & FB_CUR_SETIMAGE) {
int calpha_en, transp_en, alpha, size;
u32 cursor_addr;
ret = copy_from_user(mfd->cursor_buf, img->data,
img->width * img->height * 4);
if (ret) {
pr_err("copy_from_user error. rc=%d\n", ret);
mdss_mdp_clk_ctrl(MDP_BLOCK_POWER_OFF);
return ret;
}
if (is_mdss_iommu_attached()) {
cursor_addr = mfd->cursor_buf_iova;
} else {
if (MDSS_LPAE_CHECK(mfd->cursor_buf_phys)) {
pr_err("can't access phy mem >4GB w/o iommu\n");
mdss_mdp_clk_ctrl(MDP_BLOCK_POWER_OFF);
return -ERANGE;
}
cursor_addr = mfd->cursor_buf_phys;
}
if (img->bg_color == 0xffffffff)
transp_en = 0;
else
transp_en = 1;
alpha = (img->fg_color & 0xff000000) >> 24;
if (alpha)
calpha_en = 0x0; /* xrgb */
else
calpha_en = 0x2; /* argb */
size = (img->height << 16) | img->width;
mdp_mixer_write(mixer, MDSS_MDP_REG_LM_CURSOR_IMG_SIZE, size);
mdp_mixer_write(mixer, MDSS_MDP_REG_LM_CURSOR_SIZE, roi_size);
mdp_mixer_write(mixer, MDSS_MDP_REG_LM_CURSOR_STRIDE,
img->width * 4);
mdp_mixer_write(mixer, MDSS_MDP_REG_LM_CURSOR_BASE_ADDR,
cursor_addr);
wmb();
blendcfg &= ~0x1;
blendcfg |= (transp_en << 3) | (calpha_en << 1);
mdp_mixer_write(mixer, MDSS_MDP_REG_LM_CURSOR_BLEND_CONFIG,
blendcfg);
if (calpha_en)
mdp_mixer_write(mixer,
MDSS_MDP_REG_LM_CURSOR_BLEND_PARAM,
alpha);
if (transp_en) {
mdp_mixer_write(mixer,
MDSS_MDP_REG_LM_CURSOR_BLEND_TRANSP_LOW0,
((img->bg_color & 0xff00) << 8) |
(img->bg_color & 0xff));
mdp_mixer_write(mixer,
MDSS_MDP_REG_LM_CURSOR_BLEND_TRANSP_LOW1,
((img->bg_color & 0xff0000) >> 16));
mdp_mixer_write(mixer,
MDSS_MDP_REG_LM_CURSOR_BLEND_TRANSP_HIGH0,
((img->bg_color & 0xff00) << 8) |
(img->bg_color & 0xff));
mdp_mixer_write(mixer,
MDSS_MDP_REG_LM_CURSOR_BLEND_TRANSP_HIGH1,
((img->bg_color & 0xff0000) >> 16));
}
mixer->cursor_hotx = 0;
mixer->cursor_hoty = 0;
}
if (!cursor->enable != !(blendcfg & 0x1)) {
if (cursor->enable) {
pr_debug("enable hw cursor on mixer=%d\n", mixer->num);
blendcfg |= 0x1;
} else {
pr_debug("disable hw cursor on mixer=%d\n", mixer->num);
blendcfg &= ~0x1;
}
mdp_mixer_write(mixer, MDSS_MDP_REG_LM_CURSOR_BLEND_CONFIG,
blendcfg);
mixer->cursor_enabled = cursor->enable;
mixer->params_changed++;
}
mixer->ctl->flush_bits |= BIT(6) << mixer->num;
mdss_mdp_clk_ctrl(MDP_BLOCK_POWER_OFF);
return 0;
}
static int mdss_bl_scale_config(struct msm_fb_data_type *mfd,
struct mdp_bl_scale_data *data)
{
int ret = 0;
int curr_bl;
mutex_lock(&mfd->bl_lock);
curr_bl = mfd->bl_level;
mfd->bl_scale = data->scale;
mfd->bl_min_lvl = data->min_lvl;
pr_debug("update scale = %d, min_lvl = %d\n", mfd->bl_scale,
mfd->bl_min_lvl);
/* update current backlight to use new scaling*/
mdss_fb_set_backlight(mfd, curr_bl);
mutex_unlock(&mfd->bl_lock);
return ret;
}
static int mdss_mdp_pp_ioctl(struct msm_fb_data_type *mfd,
void __user *argp)
{
int ret;
struct msmfb_mdp_pp mdp_pp;
u32 copyback = 0;
u32 copy_from_kernel = 0;
if (mfd->panel_info->partial_update_enabled) {
pr_err("Partical update feature is enabled.");
return -EPERM;
}
ret = copy_from_user(&mdp_pp, argp, sizeof(mdp_pp));
if (ret)
return ret;
/* Supprt only MDP register read/write and
exit_dcm in DCM state*/
if (mfd->dcm_state == DCM_ENTER &&
(mdp_pp.op != mdp_op_calib_buffer &&
mdp_pp.op != mdp_op_calib_dcm_state))
return -EPERM;
switch (mdp_pp.op) {
case mdp_op_pa_cfg:
ret = mdss_mdp_pa_config(&mdp_pp.data.pa_cfg_data,
&copyback);
break;
case mdp_op_pa_v2_cfg:
ret = mdss_mdp_pa_v2_config(&mdp_pp.data.pa_v2_cfg_data,
&copyback);
break;
case mdp_op_pcc_cfg:
ret = mdss_mdp_pcc_config(&mdp_pp.data.pcc_cfg_data,
&copyback);
break;
case mdp_op_lut_cfg:
switch (mdp_pp.data.lut_cfg_data.lut_type) {
case mdp_lut_igc:
ret = mdss_mdp_igc_lut_config(
(struct mdp_igc_lut_data *)
&mdp_pp.data.lut_cfg_data.data,
&copyback, copy_from_kernel);
break;
case mdp_lut_pgc:
ret = mdss_mdp_argc_config(
&mdp_pp.data.lut_cfg_data.data.pgc_lut_data,
&copyback);
break;
case mdp_lut_hist:
ret = mdss_mdp_hist_lut_config(
(struct mdp_hist_lut_data *)
&mdp_pp.data.lut_cfg_data.data, &copyback);
break;
default:
ret = -ENOTSUPP;
break;
}
break;
case mdp_op_dither_cfg:
ret = mdss_mdp_dither_config(
&mdp_pp.data.dither_cfg_data,
&copyback);
break;
case mdp_op_gamut_cfg:
ret = mdss_mdp_gamut_config(
&mdp_pp.data.gamut_cfg_data,
&copyback);
break;
case mdp_bl_scale_cfg:
ret = mdss_bl_scale_config(mfd, (struct mdp_bl_scale_data *)
&mdp_pp.data.bl_scale_data);
break;
case mdp_op_ad_cfg:
ret = mdss_mdp_ad_config(mfd, &mdp_pp.data.ad_init_cfg);
break;
case mdp_op_ad_input:
ret = mdss_mdp_ad_input(mfd, &mdp_pp.data.ad_input, 1);
if (ret > 0) {
ret = 0;
copyback = 1;
}
break;
case mdp_op_calib_cfg:
ret = mdss_mdp_calib_config((struct mdp_calib_config_data *)
&mdp_pp.data.calib_cfg, &copyback);
break;
case mdp_op_calib_mode:
ret = mdss_mdp_calib_mode(mfd, &mdp_pp.data.mdss_calib_cfg);
break;
case mdp_op_calib_buffer:
ret = mdss_mdp_calib_config_buffer(
(struct mdp_calib_config_buffer *)
&mdp_pp.data.calib_buffer, &copyback);
break;
case mdp_op_calib_dcm_state:
ret = mdss_fb_dcm(mfd, mdp_pp.data.calib_dcm.dcm_state);
break;
default:
pr_err("Unsupported request to MDP_PP IOCTL. %d = op\n",
mdp_pp.op);
ret = -EINVAL;
break;
}
if ((ret == 0) && copyback)
ret = copy_to_user(argp, &mdp_pp, sizeof(struct msmfb_mdp_pp));
return ret;
}
static int mdss_mdp_histo_ioctl(struct msm_fb_data_type *mfd, u32 cmd,
void __user *argp)
{
int ret = -ENOSYS;
struct mdp_histogram_data hist;
struct mdp_histogram_start_req hist_req;
struct mdss_data_type *mdata = mdss_mdp_get_mdata();
u32 block;
static int req = -1;
if (mfd->panel_info->partial_update_enabled) {
pr_err("Partical update feature is enabled.");
return -EPERM;
}
switch (cmd) {
case MSMFB_HISTOGRAM_START:
if (mdss_fb_is_power_off(mfd))
return -EPERM;
if (mdata->needs_hist_vote && (mdata->reg_bus_hdl)) {
req = msm_bus_scale_client_update_request(
mdata->reg_bus_hdl,
REG_CLK_CFG_LOW);
if (req)
pr_err("Updated pp_bus_scale failed, ret = %d",
req);
}
ret = copy_from_user(&hist_req, argp, sizeof(hist_req));
if (ret)
return ret;
ret = mdss_mdp_hist_start(&hist_req);
break;
case MSMFB_HISTOGRAM_STOP:
ret = copy_from_user(&block, argp, sizeof(int));
if (ret)
return ret;
ret = mdss_mdp_hist_stop(block);
if (ret)
return ret;
if (mdata->needs_hist_vote && (mdata->reg_bus_hdl && !req)) {
req = msm_bus_scale_client_update_request(
mdata->reg_bus_hdl,
REG_CLK_CFG_OFF);
if (req)
pr_err("Updated pp_bus_scale failed, ret = %d",
req);
}
break;
case MSMFB_HISTOGRAM:
if (mdss_fb_is_power_off(mfd))
return -EPERM;
ret = copy_from_user(&hist, argp, sizeof(hist));
if (ret)
return ret;
ret = mdss_mdp_hist_collect(&hist);
if (!ret)
ret = copy_to_user(argp, &hist, sizeof(hist));
break;
default:
break;
}
return ret;
}
static int mdss_fb_set_metadata(struct msm_fb_data_type *mfd,
struct msmfb_metadata *metadata)
{
struct mdss_data_type *mdata = mfd_to_mdata(mfd);
struct mdss_mdp_ctl *ctl = mfd_to_ctl(mfd);
int ret = 0;
if (!ctl)
return -EPERM;
switch (metadata->op) {
case metadata_op_vic:
if (mfd->panel_info)
mfd->panel_info->vic =
metadata->data.video_info_code;
else
ret = -EINVAL;
break;
case metadata_op_crc:
if (mdss_fb_is_power_off(mfd))
return -EPERM;
ret = mdss_misr_set(mdata, &metadata->data.misr_request, ctl);
break;
case metadata_op_wb_format:
ret = mdss_mdp_wb_set_format(mfd,
metadata->data.mixer_cfg.writeback_format);
break;
case metadata_op_wb_secure:
ret = mdss_mdp_wb_set_secure(mfd, metadata->data.secure_en);
break;
default:
pr_warn("unsupported request to MDP META IOCTL\n");
ret = -EINVAL;
break;
}
return ret;
}
static int mdss_fb_get_hw_caps(struct msm_fb_data_type *mfd,
struct mdss_hw_caps *caps)
{
struct mdss_data_type *mdata = mfd_to_mdata(mfd);
caps->mdp_rev = mdata->mdp_rev;
caps->vig_pipes = mdata->nvig_pipes;
caps->rgb_pipes = mdata->nrgb_pipes;
caps->dma_pipes = mdata->ndma_pipes;
if (mdata->has_bwc)
caps->features |= MDP_BWC_EN;
if (mdata->has_decimation)
caps->features |= MDP_DECIMATION_EN;
if (mdata->smp_mb_cnt) {
caps->max_smp_cnt = mdata->smp_mb_cnt;
caps->smp_per_pipe = mdata->smp_mb_per_pipe;
}
return 0;
}
static int mdss_fb_get_metadata(struct msm_fb_data_type *mfd,
struct msmfb_metadata *metadata)
{
struct mdss_data_type *mdata = mfd_to_mdata(mfd);
struct mdss_mdp_ctl *ctl = mfd_to_ctl(mfd);
int ret = 0;
if (!ctl)
return -EPERM;
switch (metadata->op) {
case metadata_op_frame_rate:
metadata->data.panel_frame_rate =
mdss_panel_get_framerate(mfd->panel_info);
break;
case metadata_op_get_caps:
ret = mdss_fb_get_hw_caps(mfd, &metadata->data.caps);
break;
case metadata_op_get_ion_fd:
if (mfd->fb_ion_handle) {
metadata->data.fbmem_ionfd =
dma_buf_fd(mfd->fbmem_buf, 0);
if (metadata->data.fbmem_ionfd < 0)
pr_err("fd allocation failed. fd = %d\n",
metadata->data.fbmem_ionfd);
}
break;
case metadata_op_crc:
if (mdss_fb_is_power_off(mfd))
return -EPERM;
ret = mdss_misr_get(mdata, &metadata->data.misr_request, ctl);
break;
case metadata_op_wb_format:
ret = mdss_mdp_wb_get_format(mfd, &metadata->data.mixer_cfg);
break;
case metadata_op_wb_secure:
ret = mdss_mdp_wb_get_secure(mfd, &metadata->data.secure_en);
break;
default:
pr_warn("Unsupported request to MDP META IOCTL.\n");
ret = -EINVAL;
break;
}
return ret;
}
/*
* This routine serves two purposes.
* 1. Propagate overlay_id returned from sorted list to original list
* to user-space.
* 2. In case of error processing sorted list, map the error overlay's
* index to original list because user-space is not aware of the sorted list.
*/
static int __mdss_overlay_map(struct mdp_overlay *ovs,
struct mdp_overlay *op_ovs, int num_ovs, int num_ovs_processed)
{
int i = num_ovs_processed, j, k;
for (j = 0; j < num_ovs; j++) {
for (k = 0; k < num_ovs; k++) {
if ((ovs[j].dst_rect.x == op_ovs[k].dst_rect.x) &&
(ovs[j].z_order == op_ovs[k].z_order)) {
op_ovs[k].id = ovs[j].id;
op_ovs[k].priority = ovs[j].priority;
break;
}
}
if ((i != num_ovs) && (i != j) &&
(ovs[j].dst_rect.x == op_ovs[k].dst_rect.x) &&
(ovs[i].z_order == op_ovs[k].z_order)) {
pr_debug("mapped %d->%d\n", i, j);
i = j;
}
}
return i;
}
static inline void __overlay_swap_func(void *a, void *b, int size)
{
swap(*(struct mdp_overlay *)a, *(struct mdp_overlay *)b);
}
static inline int __zorder_dstx_cmp_func(const void *a, const void *b)
{
int rc = 0;
const struct mdp_overlay *ov1 = a;
const struct mdp_overlay *ov2 = b;
if (ov1->z_order < ov2->z_order)
rc = -1;
else if ((ov1->z_order == ov2->z_order) &&
(ov1->dst_rect.x < ov2->dst_rect.x))
rc = -1;
return rc;
}
/*
* first sort list of overlays based on z_order and then within
* same z_order sort them on dst_x.
*/
static int __mdss_overlay_src_split_sort(struct msm_fb_data_type *mfd,
struct mdp_overlay *ovs, int num_ovs)
{
int i;
int left_lm_zo_cnt[MDSS_MDP_MAX_STAGE] = {0};
int right_lm_zo_cnt[MDSS_MDP_MAX_STAGE] = {0};
u32 left_lm_w = left_lm_w_from_mfd(mfd);
sort(ovs, num_ovs, sizeof(struct mdp_overlay), __zorder_dstx_cmp_func,
__overlay_swap_func);
for (i = 0; i < num_ovs; i++) {
if (ovs[i].z_order >= MDSS_MDP_MAX_STAGE) {
pr_err("invalid stage:%u\n", ovs[i].z_order);
return -EINVAL;
}
if (ovs[i].dst_rect.x < left_lm_w) {
if (left_lm_zo_cnt[ovs[i].z_order] == 2) {
pr_err("more than 2 ov @ stage%u on left lm\n",
ovs[i].z_order);
return -EINVAL;
}
left_lm_zo_cnt[ovs[i].z_order]++;
} else {
if (right_lm_zo_cnt[ovs[i].z_order] == 2) {
pr_err("more than 2 ov @ stage%u on right lm\n",
ovs[i].z_order);
return -EINVAL;
}
right_lm_zo_cnt[ovs[i].z_order]++;
}
}
return 0;
}
static int __handle_overlay_prepare(struct msm_fb_data_type *mfd,
struct mdp_overlay_list *ovlist, struct mdp_overlay *ip_ovs)
{
int ret, i;
int new_reqs = 0, left_cnt = 0, right_cnt = 0;
int num_ovs = ovlist->num_overlays;
u32 left_lm_w = left_lm_w_from_mfd(mfd);
u32 left_lm_ovs = 0, right_lm_ovs = 0;
bool is_single_layer = false;
struct mdss_data_type *mdata = mfd_to_mdata(mfd);
struct mdss_overlay_private *mdp5_data = mfd_to_mdp5_data(mfd);
struct mdp_overlay *sorted_ovs = NULL;
struct mdp_overlay *req, *prev_req;
struct mdss_mdp_pipe *pipe, *left_blend_pipe;
struct mdss_mdp_pipe *right_plist[MAX_PIPES_PER_LM] = { 0 };
struct mdss_mdp_pipe *left_plist[MAX_PIPES_PER_LM] = { 0 };
bool sort_needed = mdata->has_src_split && (num_ovs > 1);
ret = mutex_lock_interruptible(&mdp5_data->ov_lock);
if (ret)
return ret;
if (mdss_fb_is_power_off(mfd)) {
mutex_unlock(&mdp5_data->ov_lock);
return -EPERM;
}
if (sort_needed) {
sorted_ovs = kzalloc(num_ovs * sizeof(*ip_ovs), GFP_KERNEL);
if (!sorted_ovs) {
pr_err("error allocating ovlist mem\n");
return -ENOMEM;
}
memcpy(sorted_ovs, ip_ovs, num_ovs * sizeof(*ip_ovs));
ret = __mdss_overlay_src_split_sort(mfd, sorted_ovs, num_ovs);
if (ret) {
pr_err("src_split_sort failed. ret=%d\n", ret);
kfree(sorted_ovs);
return ret;
}
}
pr_debug("prepare fb%d num_ovs=%d\n", mfd->index, num_ovs);
for (i = 0; i < num_ovs; i++) {
if (IS_RIGHT_MIXER_OV(ip_ovs[i].flags, ip_ovs[i].dst_rect.x,
left_lm_w))
right_lm_ovs++;
else
left_lm_ovs++;
if ((left_lm_ovs > 1) && (right_lm_ovs > 1))
break;
}
for (i = 0; i < num_ovs; i++) {
left_blend_pipe = NULL;
if (sort_needed) {
req = &sorted_ovs[i];
prev_req = (i > 0) ? &sorted_ovs[i - 1] : NULL;
/*
* check if current overlay is at same z_order as
* previous one and qualifies as a right blend. If yes,
* pass a pointer to the pipe representing previous
* overlay or in other terms left blend overlay.
*/
if (prev_req && (prev_req->z_order == req->z_order) &&
is_ov_right_blend(&prev_req->dst_rect,
&req->dst_rect, left_lm_w)) {
left_blend_pipe = pipe;
}
} else {
req = &ip_ovs[i];
}
if (IS_RIGHT_MIXER_OV(ip_ovs[i].flags, ip_ovs[i].dst_rect.x,
left_lm_w))
is_single_layer = (right_lm_ovs == 1);
else
is_single_layer = (left_lm_ovs == 1);
req->z_order += MDSS_MDP_STAGE_0;
ret = mdss_mdp_overlay_pipe_setup(mfd, req, &pipe,
left_blend_pipe, is_single_layer);
req->z_order -= MDSS_MDP_STAGE_0;
if (IS_ERR_VALUE(ret))
goto validate_exit;
pr_debug("pnum:%d id:0x%x flags:0x%x dst_x:%d l_blend_pnum%d\n",
pipe->num, req->id, req->flags, req->dst_rect.x,
left_blend_pipe ? left_blend_pipe->num : -1);
/* keep track of the new overlays to unset in case of errors */
if (pipe->play_cnt == 0)
new_reqs |= pipe->ndx;
if (IS_RIGHT_MIXER_OV(pipe->flags, pipe->dst.x, left_lm_w)) {
if (right_cnt >= MAX_PIPES_PER_LM) {
pr_err("too many pipes on right mixer\n");
ret = -EINVAL;
goto validate_exit;
}
right_plist[right_cnt] = pipe;
right_cnt++;
} else {
if (left_cnt >= MAX_PIPES_PER_LM) {
pr_err("too many pipes on left mixer\n");
ret = -EINVAL;
goto validate_exit;
}
left_plist[left_cnt] = pipe;
left_cnt++;
}
}
ret = mdss_mdp_perf_bw_check(mdp5_data->ctl, left_plist, left_cnt,
right_plist, right_cnt);
validate_exit:
if (sort_needed)
ovlist->processed_overlays =
__mdss_overlay_map(sorted_ovs, ip_ovs, num_ovs, i);
else
ovlist->processed_overlays = i;
if (IS_ERR_VALUE(ret)) {
pr_debug("err=%d total_ovs:%d processed:%d left:%d right:%d\n",
ret, num_ovs, ovlist->processed_overlays, left_lm_ovs,
right_lm_ovs);
mdss_mdp_overlay_release(mfd, new_reqs);
}
mutex_unlock(&mdp5_data->ov_lock);
kfree(sorted_ovs);
return ret;
}
static int __handle_ioctl_overlay_prepare(struct msm_fb_data_type *mfd,
void __user *argp)
{
struct mdp_overlay_list ovlist;
struct mdp_overlay *req_list[OVERLAY_MAX];
struct mdp_overlay *overlays;
int i, ret;
if (copy_from_user(&ovlist, argp, sizeof(ovlist)))
return -EFAULT;
if (ovlist.num_overlays >= OVERLAY_MAX) {
pr_err("Number of overlays exceeds max\n");
return -EINVAL;
}
overlays = kmalloc(ovlist.num_overlays * sizeof(*overlays), GFP_KERNEL);
if (!overlays) {
pr_err("Unable to allocate memory for overlays\n");
return -ENOMEM;
}
if (copy_from_user(req_list, ovlist.overlay_list,
sizeof(struct mdp_overlay *) *
ovlist.num_overlays)) {
ret = -EFAULT;
goto validate_exit;
}
for (i = 0; i < ovlist.num_overlays; i++) {
if (copy_from_user(overlays + i, req_list[i],
sizeof(struct mdp_overlay))) {
ret = -EFAULT;
goto validate_exit;
}
}
ret = __handle_overlay_prepare(mfd, &ovlist, overlays);
if (!IS_ERR_VALUE(ret)) {
for (i = 0; i < ovlist.num_overlays; i++) {
if (copy_to_user(req_list[i], overlays + i,
sizeof(struct mdp_overlay))) {
ret = -EFAULT;
goto validate_exit;
}
}
}
if (copy_to_user(argp, &ovlist, sizeof(ovlist)))
ret = -EFAULT;
validate_exit:
kfree(overlays);
return ret;
}
static int mdss_mdp_overlay_ioctl_handler(struct msm_fb_data_type *mfd,
u32 cmd, void __user *argp)
{
struct mdss_overlay_private *mdp5_data = mfd_to_mdp5_data(mfd);
struct mdp_overlay *req = NULL;
int val, ret = -ENOSYS;
struct msmfb_metadata metadata;
switch (cmd) {
case MSMFB_MDP_PP:
ret = mdss_mdp_pp_ioctl(mfd, argp);
break;
case MSMFB_HISTOGRAM_START:
case MSMFB_HISTOGRAM_STOP:
case MSMFB_HISTOGRAM:
ret = mdss_mdp_histo_ioctl(mfd, cmd, argp);
break;
case MSMFB_OVERLAY_GET:
req = kmalloc(sizeof(struct mdp_overlay), GFP_KERNEL);
if (!req)
return -ENOMEM;
ret = copy_from_user(req, argp, sizeof(*req));
if (!ret) {
ret = mdss_mdp_overlay_get(mfd, req);
if (!IS_ERR_VALUE(ret))
ret = copy_to_user(argp, req, sizeof(*req));
}
if (ret)
pr_debug("OVERLAY_GET failed (%d)\n", ret);
break;
case MSMFB_OVERLAY_SET:
req = kmalloc(sizeof(struct mdp_overlay), GFP_KERNEL);
if (!req)
return -ENOMEM;
ret = copy_from_user(req, argp, sizeof(*req));
if (!ret) {
ret = mdss_mdp_overlay_set(mfd, req);
if (!IS_ERR_VALUE(ret))
ret = copy_to_user(argp, req, sizeof(*req));
}
if (ret)
pr_debug("OVERLAY_SET failed (%d)\n", ret);
break;
case MSMFB_OVERLAY_UNSET:
if (!IS_ERR_VALUE(copy_from_user(&val, argp, sizeof(val))))
ret = mdss_mdp_overlay_unset(mfd, val);
break;
case MSMFB_OVERLAY_PLAY_ENABLE:
if (!copy_from_user(&val, argp, sizeof(val))) {
mdp5_data->overlay_play_enable = val;
ret = 0;
} else {
pr_err("OVERLAY_PLAY_ENABLE failed (%d)\n", ret);
ret = -EFAULT;
}
break;
case MSMFB_OVERLAY_PLAY:
if (mdp5_data->overlay_play_enable) {
struct msmfb_overlay_data data;
ret = copy_from_user(&data, argp, sizeof(data));
if (!ret)
ret = mdss_mdp_overlay_play(mfd, &data);
if (ret)
pr_debug("OVERLAY_PLAY failed (%d)\n", ret);
} else {
ret = 0;
}
break;
case MSMFB_OVERLAY_PLAY_WAIT:
if (mdp5_data->overlay_play_enable) {
struct msmfb_overlay_data data;
ret = copy_from_user(&data, argp, sizeof(data));
if (!ret)
ret = mdss_mdp_overlay_play_wait(mfd, &data);
if (ret)
pr_err("OVERLAY_PLAY_WAIT failed (%d)\n", ret);
} else {
ret = 0;
}
break;
case MSMFB_VSYNC_CTRL:
case MSMFB_OVERLAY_VSYNC_CTRL:
if (!copy_from_user(&val, argp, sizeof(val))) {
ret = mdss_mdp_overlay_vsync_ctrl(mfd, val);
} else {
pr_err("MSMFB_OVERLAY_VSYNC_CTRL failed (%d)\n", ret);
ret = -EFAULT;
}
break;
case MSMFB_OVERLAY_COMMIT:
mdss_fb_wait_for_fence(&(mfd->mdp_sync_pt_data));
ret = mfd->mdp.kickoff_fnc(mfd, NULL);
break;
case MSMFB_METADATA_SET:
ret = copy_from_user(&metadata, argp, sizeof(metadata));
if (ret)
return ret;
ret = mdss_fb_set_metadata(mfd, &metadata);
break;
case MSMFB_METADATA_GET:
ret = copy_from_user(&metadata, argp, sizeof(metadata));
if (ret)
return ret;
ret = mdss_fb_get_metadata(mfd, &metadata);
if (!ret)
ret = copy_to_user(argp, &metadata, sizeof(metadata));
break;
case MSMFB_OVERLAY_PREPARE:
ret = __handle_ioctl_overlay_prepare(mfd, argp);
break;
default:
if (mfd->panel.type == WRITEBACK_PANEL)
ret = mdss_mdp_wb_ioctl_handler(mfd, cmd, argp);
break;
}
kfree(req);
return ret;
}
/**
* __mdss_mdp_overlay_ctl_init - Helper function to intialize control structure
* @mfd: msm frame buffer data structure associated with the fb device.
*
* Helper function that allocates and initializes the mdp control structure
* for a frame buffer device. Whenver applicable, this function will also setup
* the control for the split display path as well.
*
* Return: pointer to the newly allocated control structure.
*/
static struct mdss_mdp_ctl *__mdss_mdp_overlay_ctl_init(
struct msm_fb_data_type *mfd)
{
int rc = 0;
struct mdss_mdp_ctl *ctl;
struct mdss_panel_data *pdata;
if (!mfd)
return ERR_PTR(-EINVAL);
pdata = dev_get_platdata(&mfd->pdev->dev);
if (!pdata) {
pr_err("no panel connected for fb%d\n", mfd->index);
rc = -ENODEV;
goto error;
}
ctl = mdss_mdp_ctl_init(pdata, mfd);
if (IS_ERR_OR_NULL(ctl)) {
pr_err("Unable to initialize ctl for fb%d\n",
mfd->index);
rc = PTR_ERR(ctl);
goto error;
}
ctl->vsync_handler.vsync_handler =
mdss_mdp_overlay_handle_vsync;
ctl->vsync_handler.cmd_post_flush = false;
ctl->recover_underrun_handler.vsync_handler =
mdss_mdp_recover_underrun_handler;
ctl->recover_underrun_handler.cmd_post_flush = false;
INIT_WORK(&ctl->remove_underrun_handler,
remove_underrun_vsync_handler);
if (is_split_lm(mfd)) {
/* enable split display */
rc = mdss_mdp_ctl_split_display_setup(ctl, pdata->next);
if (rc) {
mdss_mdp_ctl_destroy(ctl);
goto error;
}
}
error:
if (rc)
return ERR_PTR(rc);
else
return ctl;
}
static int mdss_mdp_overlay_on(struct msm_fb_data_type *mfd)
{
int rc;
struct mdss_overlay_private *mdp5_data;
struct mdss_mdp_ctl *ctl = NULL;
if (!mfd)
return -ENODEV;
if (mfd->key != MFD_KEY)
return -EINVAL;
mdp5_data = mfd_to_mdp5_data(mfd);
if (!mdp5_data)
return -EINVAL;
if (!mdp5_data->ctl) {
ctl = __mdss_mdp_overlay_ctl_init(mfd);
if (IS_ERR_OR_NULL(ctl))
return PTR_ERR(ctl);
mdp5_data->ctl = ctl;
} else {
ctl = mdp5_data->ctl;
}
if (mdss_fb_is_power_on(mfd)) {
pr_debug("panel was never turned off\n");
rc = mdss_mdp_ctl_start(mdp5_data->ctl, false);
goto panel_on;
}
if (!mfd->panel_info->cont_splash_enabled &&
(mfd->panel_info->type != DTV_PANEL)) {
rc = mdss_mdp_overlay_start(mfd);
if (rc)
goto end;
if (mfd->panel_info->type != WRITEBACK_PANEL) {
atomic_inc(&mfd->mdp_sync_pt_data.commit_cnt);
rc = mdss_mdp_overlay_kickoff(mfd, NULL);
}
} else {
rc = mdss_mdp_ctl_setup(mdp5_data->ctl);
if (rc)
goto end;
}
panel_on:
if (IS_ERR_VALUE(rc)) {
pr_err("Failed to turn on fb%d\n", mfd->index);
mdss_mdp_overlay_off(mfd);
goto end;
}
end:
return rc;
}
static int mdss_mdp_overlay_off(struct msm_fb_data_type *mfd)
{
int rc;
struct mdss_overlay_private *mdp5_data;
struct mdss_mdp_mixer *mixer;
int need_cleanup;
if (!mfd)
return -ENODEV;
if (mfd->key != MFD_KEY)
return -EINVAL;
mdp5_data = mfd_to_mdp5_data(mfd);
if (!mdp5_data || !mdp5_data->ctl) {
pr_err("ctl not initialized\n");
return -ENODEV;
}
if (!mdss_mdp_ctl_is_power_on(mdp5_data->ctl))
return 0;
/*
* Keep a reference to the runtime pm until the overlay is turned
* off, and then release this last reference at the end. This will
* help in distinguishing between idle power collapse versus suspend
* power collapse
*/
pm_runtime_get_sync(&mfd->pdev->dev);
if (mdss_fb_is_power_on_lp(mfd)) {
pr_debug("panel not turned off. keeping overlay on\n");
goto ctl_stop;
}
mutex_lock(&mdp5_data->ov_lock);
mdss_mdp_overlay_free_fb_pipe(mfd);
mixer = mdss_mdp_mixer_get(mdp5_data->ctl, MDSS_MDP_MIXER_MUX_LEFT);
if (mixer)
mixer->cursor_enabled = 0;
mixer = mdss_mdp_mixer_get(mdp5_data->ctl, MDSS_MDP_MIXER_MUX_RIGHT);
if (mixer)
mixer->cursor_enabled = 0;
mutex_lock(&mdp5_data->list_lock);
need_cleanup = !list_empty(&mdp5_data->pipes_cleanup);
mutex_unlock(&mdp5_data->list_lock);
mutex_unlock(&mdp5_data->ov_lock);
if (need_cleanup) {
pr_debug("cleaning up pipes on fb%d\n", mfd->index);
mdss_mdp_overlay_kickoff(mfd, NULL);
}
/*
* If retire fences are still active wait for a vsync time
* for retire fence to be updated.
* As a last resort signal the timeline if vsync doesn't arrive.
*/
if (mdp5_data->retire_cnt) {
u32 fps = mdss_panel_get_framerate(mfd->panel_info);
u32 vsync_time = 1000 / (fps ? : DEFAULT_FRAME_RATE);
msleep(vsync_time);
__vsync_retire_signal(mfd, mdp5_data->retire_cnt);
}
ctl_stop:
mutex_lock(&mdp5_data->ov_lock);
rc = mdss_mdp_ctl_stop(mdp5_data->ctl, mfd->panel_power_state);
if (rc == 0) {
if (mdss_fb_is_power_off(mfd)) {
mutex_lock(&mdp5_data->list_lock);
__mdss_mdp_overlay_free_list_purge(mfd);
if (!mfd->ref_cnt)
mdss_mdp_overlay_buf_deinit(mfd);
mutex_unlock(&mdp5_data->list_lock);
mdss_mdp_ctl_notifier_unregister(mdp5_data->ctl,
&mfd->mdp_sync_pt_data.notifier);
if (!mfd->ref_cnt) {
mdp5_data->borderfill_enable = false;
mdss_mdp_ctl_destroy(mdp5_data->ctl);
mdp5_data->ctl = NULL;
}
if (atomic_dec_return(
&mdp5_data->mdata->active_intf_cnt) == 0)
mdss_mdp_rotator_release_all();
if (!mdp5_data->mdata->idle_pc_enabled) {
rc = pm_runtime_put(&mfd->pdev->dev);
if (rc)
pr_err("unable to suspend w/pm_runtime_put (%d)\n",
rc);
}
}
}
mutex_unlock(&mdp5_data->ov_lock);
/* Release the last reference to the runtime device */
rc = pm_runtime_put(&mfd->pdev->dev);
if (rc)
pr_err("unable to suspend w/pm_runtime_put (%d)\n", rc);
return rc;
}
int mdss_panel_register_done(struct mdss_panel_data *pdata)
{
if (pdata->panel_info.cont_splash_enabled)
mdss_mdp_footswitch_ctrl_splash(1);
return 0;
}
static int __mdss_mdp_ctl_handoff(struct mdss_mdp_ctl *ctl,
struct mdss_data_type *mdata)
{
int rc = 0;
int i, j;
u32 mixercfg;
struct mdss_mdp_pipe *pipe = NULL;
if (!ctl || !mdata)
return -EINVAL;
for (i = 0; i < mdata->nmixers_intf; i++) {
mixercfg = mdss_mdp_ctl_read(ctl, MDSS_MDP_REG_CTL_LAYER(i));
pr_debug("for lm%d mixercfg = 0x%09x\n", i, mixercfg);
j = MDSS_MDP_SSPP_VIG0;
for (; j < MDSS_MDP_MAX_SSPP && mixercfg; j++) {
u32 cfg = j * 3;
if ((j == MDSS_MDP_SSPP_VIG3) ||
(j == MDSS_MDP_SSPP_RGB3)) {
/* Add 2 to account for Cursor & Border bits */
cfg += 2;
}
if (mixercfg & (0x7 << cfg)) {
pr_debug("Pipe %d staged\n", j);
pipe = mdss_mdp_pipe_search(mdata, BIT(j));
if (!pipe) {
pr_warn("Invalid pipe %d staged\n", j);
continue;
}
rc = mdss_mdp_pipe_handoff(pipe);
if (rc) {
pr_err("Failed to handoff pipe%d\n",
pipe->num);
goto exit;
}
rc = mdss_mdp_mixer_handoff(ctl, i, pipe);
if (rc) {
pr_err("failed to handoff mix%d\n", i);
goto exit;
}
}
}
}
exit:
return rc;
}
/**
* mdss_mdp_overlay_handoff() - Read MDP registers to handoff an active ctl path
* @mfd: Msm frame buffer structure associated with the fb device.
*
* This function populates the MDP software structures with the current state of
* the MDP hardware to handoff any active control path for the framebuffer
* device. This is needed to identify any ctl, mixers and pipes being set up by
* the bootloader to display the splash screen when the continuous splash screen
* feature is enabled in kernel.
*/
static int mdss_mdp_overlay_handoff(struct msm_fb_data_type *mfd)
{
int rc = 0;
struct mdss_data_type *mdata = mfd_to_mdata(mfd);
struct mdss_overlay_private *mdp5_data = mfd_to_mdp5_data(mfd);
struct mdss_mdp_ctl *ctl = NULL;
struct mdss_mdp_ctl *sctl = NULL;
if (!mdp5_data->ctl) {
ctl = __mdss_mdp_overlay_ctl_init(mfd);
if (IS_ERR_OR_NULL(ctl)) {
rc = PTR_ERR(ctl);
goto error;
}
mdp5_data->ctl = ctl;
}
/*
* vsync interrupt needs on during continuous splash, this is
* to initialize necessary ctl members here.
*/
rc = mdss_mdp_ctl_start(ctl, true);
if (rc) {
pr_err("Failed to initialize ctl\n");
goto error;
}
ctl->clk_rate = mdss_mdp_get_clk_rate(MDSS_CLK_MDP_SRC, false);
pr_debug("Set the ctl clock rate to %d Hz\n", ctl->clk_rate);
rc = __mdss_mdp_ctl_handoff(ctl, mdata);
if (rc) {
pr_err("primary ctl handoff failed. rc=%d\n", rc);
goto error;
}
if (is_split_lm(mfd)) {
sctl = mdss_mdp_get_split_ctl(ctl);
if (!sctl) {
pr_err("cannot get secondary ctl. fail the handoff\n");
rc = -EPERM;
goto error;
}
rc = __mdss_mdp_ctl_handoff(sctl, mdata);
if (rc) {
pr_err("secondary ctl handoff failed. rc=%d\n", rc);
goto error;
}
}
rc = mdss_mdp_smp_handoff(mdata);
if (rc)
pr_err("Failed to handoff smps\n");
mdp5_data->handoff = true;
error:
if (rc && ctl) {
mdss_mdp_handoff_cleanup_pipes(mfd, MDSS_MDP_PIPE_TYPE_RGB);
mdss_mdp_handoff_cleanup_pipes(mfd, MDSS_MDP_PIPE_TYPE_VIG);
mdss_mdp_handoff_cleanup_pipes(mfd, MDSS_MDP_PIPE_TYPE_DMA);
mdss_mdp_ctl_destroy(ctl);
mdp5_data->ctl = NULL;
mdp5_data->handoff = false;
}
return rc;
}
static void __vsync_retire_handle_vsync(struct mdss_mdp_ctl *ctl, ktime_t t)
{
struct msm_fb_data_type *mfd = ctl->mfd;
struct mdss_overlay_private *mdp5_data;
if (!mfd || !mfd->mdp.private1) {
pr_warn("Invalid handle for vsync\n");
return;
}
mdp5_data = mfd_to_mdp5_data(mfd);
schedule_work(&mdp5_data->retire_work);
}
static void __vsync_retire_work_handler(struct work_struct *work)
{
struct mdss_overlay_private *mdp5_data =
container_of(work, typeof(*mdp5_data), retire_work);
if (!mdp5_data->ctl || !mdp5_data->ctl->mfd)
return;
if (!mdp5_data->ctl->remove_vsync_handler)
return;
__vsync_retire_signal(mdp5_data->ctl->mfd, 1);
}
static void __vsync_retire_signal(struct msm_fb_data_type *mfd, int val)
{
struct mdss_overlay_private *mdp5_data = mfd_to_mdp5_data(mfd);
mutex_lock(&mfd->mdp_sync_pt_data.sync_mutex);
if (mdp5_data->retire_cnt > 0) {
sw_sync_timeline_inc(mdp5_data->vsync_timeline, val);
mdp5_data->retire_cnt -= min(val, mdp5_data->retire_cnt);
if (mdp5_data->retire_cnt == 0) {
mdss_mdp_clk_ctrl(MDP_BLOCK_POWER_ON);
mdp5_data->ctl->remove_vsync_handler(mdp5_data->ctl,
&mdp5_data->vsync_retire_handler);
mdss_mdp_clk_ctrl(MDP_BLOCK_POWER_OFF);
}
}
mutex_unlock(&mfd->mdp_sync_pt_data.sync_mutex);
}
static struct sync_fence *
__vsync_retire_get_fence(struct msm_sync_pt_data *sync_pt_data)
{
struct msm_fb_data_type *mfd;
struct mdss_overlay_private *mdp5_data;
struct mdss_mdp_ctl *ctl;
int value;
mfd = container_of(sync_pt_data, typeof(*mfd), mdp_sync_pt_data);
mdp5_data = mfd_to_mdp5_data(mfd);
if (!mdp5_data || !mdp5_data->ctl)
return ERR_PTR(-ENODEV);
ctl = mdp5_data->ctl;
if (!ctl->add_vsync_handler)
return ERR_PTR(-EOPNOTSUPP);
if (!mdss_mdp_ctl_is_power_on(ctl)) {
pr_debug("fb%d vsync pending first update\n", mfd->index);
return ERR_PTR(-EPERM);
}
value = mdp5_data->vsync_timeline->value + 1 + mdp5_data->retire_cnt;
mdp5_data->retire_cnt++;
return mdss_fb_sync_get_fence(mdp5_data->vsync_timeline,
"mdp-retire", value);
}
static int __vsync_set_vsync_handler(struct msm_fb_data_type *mfd)
{
struct mdss_overlay_private *mdp5_data = mfd_to_mdp5_data(mfd);
struct mdss_mdp_ctl *ctl;
int rc;
ctl = mdp5_data->ctl;
if (!mdp5_data->retire_cnt ||
mdp5_data->vsync_retire_handler.enabled)
return 0;
if (!ctl->add_vsync_handler)
return -EOPNOTSUPP;
if (!mdss_mdp_ctl_is_power_on(ctl)) {
pr_debug("fb%d vsync pending first update\n", mfd->index);
return -EPERM;
}
rc = ctl->add_vsync_handler(ctl,
&mdp5_data->vsync_retire_handler);
return rc;
}
static int __vsync_retire_setup(struct msm_fb_data_type *mfd)
{
struct mdss_overlay_private *mdp5_data = mfd_to_mdp5_data(mfd);
char name[24];
snprintf(name, sizeof(name), "mdss_fb%d_retire", mfd->index);
mdp5_data->vsync_timeline = sw_sync_timeline_create(name);
if (mdp5_data->vsync_timeline == NULL) {
pr_err("cannot vsync create time line");
return -ENOMEM;
}
mfd->mdp_sync_pt_data.get_retire_fence = __vsync_retire_get_fence;
mdp5_data->vsync_retire_handler.vsync_handler =
__vsync_retire_handle_vsync;
mdp5_data->vsync_retire_handler.cmd_post_flush = false;
INIT_WORK(&mdp5_data->retire_work, __vsync_retire_work_handler);
return 0;
}
static int mdss_mdp_update_panel_info(struct msm_fb_data_type *mfd, int mode)
{
int ret = 0;
struct mdss_overlay_private *mdp5_data = mfd_to_mdp5_data(mfd);
struct mdss_mdp_ctl *ctl = mdp5_data->ctl;
ret = mdss_mdp_ctl_intf_event(ctl, MDSS_EVENT_DSI_DYNAMIC_SWITCH,
(void *)(unsigned long)mode);
if (ret)
pr_err("Dynamic switch to %s mode failed!\n",
mode ? "command" : "video");
/*
* Destroy current ctrl sturcture as this is
* going to be re-initialized with the requested mode.
*/
mdss_mdp_ctl_destroy(mdp5_data->ctl);
mdp5_data->ctl = NULL;
return 0;
}
int mdss_mdp_overlay_init(struct msm_fb_data_type *mfd)
{
struct device *dev = mfd->fbi->dev;
struct msm_mdp_interface *mdp5_interface = &mfd->mdp;
struct mdss_overlay_private *mdp5_data = NULL;
int rc;
mdp5_interface->on_fnc = mdss_mdp_overlay_on;
mdp5_interface->off_fnc = mdss_mdp_overlay_off;
mdp5_interface->release_fnc = __mdss_mdp_overlay_release_all;
mdp5_interface->do_histogram = NULL;
mdp5_interface->cursor_update = mdss_mdp_hw_cursor_update;
mdp5_interface->dma_fnc = mdss_mdp_overlay_pan_display;
mdp5_interface->ioctl_handler = mdss_mdp_overlay_ioctl_handler;
mdp5_interface->panel_register_done = mdss_panel_register_done;
mdp5_interface->kickoff_fnc = mdss_mdp_overlay_kickoff;
mdp5_interface->get_sync_fnc = mdss_mdp_rotator_sync_pt_get;
mdp5_interface->splash_init_fnc = mdss_mdp_splash_init;
mdp5_interface->configure_panel = mdss_mdp_update_panel_info;
mdp5_data = kzalloc(sizeof(struct mdss_overlay_private), GFP_KERNEL);
if (!mdp5_data) {
pr_err("fail to allocate mdp5 private data structure");
return -ENOMEM;
}
INIT_LIST_HEAD(&mdp5_data->pipes_used);
INIT_LIST_HEAD(&mdp5_data->pipes_cleanup);
INIT_LIST_HEAD(&mdp5_data->bufs_pool);
INIT_LIST_HEAD(&mdp5_data->bufs_chunks);
INIT_LIST_HEAD(&mdp5_data->bufs_used);
INIT_LIST_HEAD(&mdp5_data->bufs_freelist);
INIT_LIST_HEAD(&mdp5_data->rot_proc_list);
mutex_init(&mdp5_data->list_lock);
mutex_init(&mdp5_data->ov_lock);
mutex_init(&mdp5_data->dfps_lock);
mdp5_data->hw_refresh = true;
mdp5_data->overlay_play_enable = true;
mdp5_data->mdata = dev_get_drvdata(mfd->pdev->dev.parent);
if (!mdp5_data->mdata) {
pr_err("unable to initialize overlay for fb%d\n", mfd->index);
rc = -ENODEV;
goto init_fail;
}
mfd->mdp.private1 = mdp5_data;
mfd->wait_for_kickoff = true;
if (is_panel_split(mfd) && mdp5_data->mdata->has_dst_split)
mfd->split_mode = MDP_SPLIT_MODE_DST;
if (mfd->panel_info->partial_update_enabled && is_split_lm(mfd))
mdp5_data->mdata->has_src_split = false;
rc = mdss_mdp_overlay_fb_parse_dt(mfd);
if (rc)
return rc;
mfd->panel_orientation = mfd->panel_info->panel_orientation;
if ((mfd->panel_info->panel_orientation & MDP_FLIP_LR) &&
(is_split_lm(mfd)))
mdp5_data->mixer_swap = true;
rc = sysfs_create_group(&dev->kobj, &mdp_overlay_sysfs_group);
if (rc) {
pr_err("vsync sysfs group creation failed, ret=%d\n", rc);
goto init_fail;
}
mdp5_data->vsync_event_sd = sysfs_get_dirent(dev->kobj.sd, NULL,
"vsync_event");
if (!mdp5_data->vsync_event_sd) {
pr_err("vsync_event sysfs lookup failed\n");
rc = -ENODEV;
goto init_fail;
}
rc = sysfs_create_link_nowarn(&dev->kobj,
&mdp5_data->mdata->pdev->dev.kobj, "mdp");
if (rc)
pr_warn("problem creating link to mdp sysfs\n");
rc = sysfs_create_link_nowarn(&dev->kobj,
&mfd->pdev->dev.kobj, "mdss_fb");
if (rc)
pr_warn("problem creating link to mdss_fb sysfs\n");
if (mfd->panel_info->type == MIPI_VIDEO_PANEL) {
rc = sysfs_create_group(&dev->kobj,
&dynamic_fps_fs_attrs_group);
if (rc) {
pr_err("Error dfps sysfs creation ret=%d\n", rc);
goto init_fail;
}
}
if (mfd->panel_info->mipi.dynamic_switch_enabled ||
mfd->panel_info->type == MIPI_CMD_PANEL) {
rc = __vsync_retire_setup(mfd);
if (IS_ERR_VALUE(rc)) {
pr_err("unable to create vsync timeline\n");
goto init_fail;
}
}
mfd->mdp_sync_pt_data.async_wait_fences = true;
pm_runtime_set_suspended(&mfd->pdev->dev);
pm_runtime_enable(&mfd->pdev->dev);
kobject_uevent(&dev->kobj, KOBJ_ADD);
pr_debug("vsync kobject_uevent(KOBJ_ADD)\n");
mdp5_data->cpu_pm_hdl = add_event_timer(NULL, (void *)mdp5_data);
if (!mdp5_data->cpu_pm_hdl)
pr_warn("%s: unable to add event timer\n", __func__);
if (mfd->panel_info->cont_splash_enabled) {
rc = mdss_mdp_overlay_handoff(mfd);
if (rc) {
/*
* Even though handoff failed, it is not fatal.
* MDP can continue, just that we would have a longer
* delay in transitioning from splash screen to boot
* animation
*/
pr_warn("Overlay handoff failed for fb%d. rc=%d\n",
mfd->index, rc);
rc = 0;
}
}
return rc;
init_fail:
kfree(mdp5_data);
return rc;
}
static int mdss_mdp_overlay_fb_parse_dt(struct msm_fb_data_type *mfd)
{
int rc = 0;
struct platform_device *pdev = mfd->pdev;
struct mdss_overlay_private *mdp5_mdata = mfd_to_mdp5_data(mfd);
mdp5_mdata->mixer_swap = of_property_read_bool(pdev->dev.of_node,
"qcom,mdss-mixer-swap");
if (mdp5_mdata->mixer_swap) {
pr_info("mixer swap is enabled for fb device=%s\n",
pdev->name);
}
return rc;
}