Google Git
Sign in
android / platform / hardware / google / graphics / common / 466f2a9c / . / libhwc2.1 / libdisplayinterface / ExynosDisplayDrmInterface.cpp
blob: af4facc08675852add333df6ac5faad2320ec93a [file] [log] [blame]
/*
* Copyright (C) 2019 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#define ATRACE_TAG (ATRACE_TAG_GRAPHICS | ATRACE_TAG_HAL)
#include "ExynosDisplayDrmInterface.h"
#include <cutils/properties.h>
#include <drm.h>
#include <drm/drm_fourcc.h>
#include <sys/types.h>
#include <xf86drm.h>
#include <algorithm>
#include <numeric>
#include "BrightnessController.h"
#include "ExynosHWCDebug.h"
#include "ExynosHWCHelper.h"
#include "ExynosLayer.h"
#include "ExynosPrimaryDisplay.h"
using namespace std::chrono_literals;
using namespace SOC_VERSION;
constexpr uint32_t MAX_PLANE_NUM = 3;
constexpr uint32_t CBCR_INDEX = 1;
constexpr float DISPLAY_LUMINANCE_UNIT = 10000;
constexpr auto nsecsPerSec = std::chrono::nanoseconds(1s).count();
constexpr auto vsyncPeriodTag = "VsyncPeriod";
typedef struct _drmModeAtomicReqItem drmModeAtomicReqItem, *drmModeAtomicReqItemPtr;
struct _drmModeAtomicReqItem {
uint32_t object_id;
uint32_t property_id;
uint64_t value;
};
struct _drmModeAtomicReq {
uint32_t cursor;
uint32_t size_items;
drmModeAtomicReqItemPtr items;
};
using namespace vendor::graphics;
extern struct exynos_hwc_control exynosHWCControl;
static const int32_t kUmPerInch = 25400;
FramebufferManager::~FramebufferManager()
{
{
Mutex::Autolock lock(mMutex);
mRmFBThreadRunning = false;
}
mFlipDone.signal();
mRmFBThread.join();
}
void FramebufferManager::init(int drmFd)
{
mDrmFd = drmFd;
mRmFBThreadRunning = true;
mRmFBThread = std::thread(&FramebufferManager::removeFBsThreadRoutine, this);
pthread_setname_np(mRmFBThread.native_handle(), "RemoveFBsThread");
}
uint32_t FramebufferManager::getBufHandleFromFd(int fd)
{
uint32_t gem_handle = 0;
int ret = drmPrimeFDToHandle(mDrmFd, fd, &gem_handle);
if (ret) {
ALOGE("drmPrimeFDToHandle failed with fd %d error %d (%s)", fd, ret, strerror(errno));
}
return gem_handle;
}
int FramebufferManager::addFB2WithModifiers(uint32_t state, uint32_t width, uint32_t height,
uint32_t drmFormat, const DrmArray<uint32_t> &handles,
const DrmArray<uint32_t> &pitches,
const DrmArray<uint32_t> &offsets,
const DrmArray<uint64_t> &modifier, uint32_t *buf_id,
uint32_t flags) {
if (CC_UNLIKELY(!validateLayerInfo(state, drmFormat, handles, modifier))) {
return -EINVAL;
}
int ret = drmModeAddFB2WithModifiers(mDrmFd, width, height, drmFormat, handles.data(),
pitches.data(), offsets.data(), modifier.data(), buf_id,
flags);
if (ret) ALOGE("Failed to add fb error %d\n", ret);
return ret;
}
bool FramebufferManager::validateLayerInfo(uint32_t state, uint32_t drmFormat,
const DrmArray<uint32_t> &handles,
const DrmArray<uint64_t> &modifier) {
switch (state) {
case exynos_win_config_data::WIN_STATE_RCD:
return drmFormat == DRM_FORMAT_C8 && handles[0] != 0 && handles[1] == 0 &&
modifier[0] == 0;
}
return true;
}
bool FramebufferManager::checkShrink() {
Mutex::Autolock lock(mMutex);
mCacheShrinkPending = mCachedLayerBuffers.size() > MAX_CACHED_LAYERS;
return mCacheShrinkPending;
}
void FramebufferManager::cleanup(const ExynosLayer *layer) {
ATRACE_CALL();
Mutex::Autolock lock(mMutex);
if (auto it = mCachedLayerBuffers.find(layer); it != mCachedLayerBuffers.end()) {
mCleanBuffers.splice(mCleanBuffers.end(), std::move(it->second));
mCachedLayerBuffers.erase(it);
}
}
void FramebufferManager::removeFBsThreadRoutine()
{
FBList cleanupBuffers;
while (true) {
{
Mutex::Autolock lock(mMutex);
if (!mRmFBThreadRunning) {
break;
}
mFlipDone.wait(mMutex);
cleanupBuffers.splice(cleanupBuffers.end(), mCleanBuffers);
}
ATRACE_NAME("cleanup framebuffers");
cleanupBuffers.clear();
}
}
int32_t FramebufferManager::getBuffer(const exynos_win_config_data &config, uint32_t &fbId) {
ATRACE_CALL();
int ret = NO_ERROR;
int drmFormat = DRM_FORMAT_UNDEFINED;
uint32_t bpp = 0;
uint32_t bufferNum, planeNum = 0;
uint32_t bufWidth, bufHeight = 0;
DrmArray<uint32_t> pitches = {0};
DrmArray<uint32_t> offsets = {0};
DrmArray<uint64_t> modifiers = {0};
DrmArray<uint32_t> handles = {0};
if (config.protection) modifiers[0] |= DRM_FORMAT_MOD_PROTECTION;
if (config.state == config.WIN_STATE_BUFFER || config.state == config.WIN_STATE_RCD) {
bufWidth = config.src.f_w;
bufHeight = config.src.f_h;
uint32_t compressType = 0;
if (config.compression)
compressType = AFBC;
else if (isFormatSBWC(config.format)) // TODO: b/175381083, change to new API
compressType = COMP_ANY;
auto exynosFormat = halFormatToExynosFormat(config.format, compressType);
if (exynosFormat == nullptr) {
ALOGE("%s:: unknown HAL format (%d)", __func__, config.format);
return -EINVAL;
}
drmFormat = exynosFormat->drmFormat;
if (drmFormat == DRM_FORMAT_UNDEFINED) {
ALOGE("%s:: unknown drm format (%d)", __func__, config.format);
return -EINVAL;
}
bpp = getBytePerPixelOfPrimaryPlane(config.format);
if ((bufferNum = exynosFormat->bufferNum) == 0) {
ALOGE("%s:: getBufferNumOfFormat(%d) error", __func__, config.format);
return -EINVAL;
}
if (((planeNum = exynosFormat->planeNum) == 0) || (planeNum > MAX_PLANE_NUM)) {
ALOGE("%s:: getPlaneNumOfFormat(%d) error, planeNum(%d)", __func__, config.format,
planeNum);
return -EINVAL;
}
fbId = findCachedFbId(config.layer,
[bufferDesc = Framebuffer::BufferDesc{config.buffer_id, drmFormat,
config.protection}](
auto &buffer) { return buffer->bufferDesc == bufferDesc; });
if (fbId != 0) {
return NO_ERROR;
}
if (config.compression) {
uint64_t compressed_modifier = AFBC_FORMAT_MOD_BLOCK_SIZE_16x16;
switch (config.comp_src) {
case DPP_COMP_SRC_G2D:
compressed_modifier |= AFBC_FORMAT_MOD_SOURCE_G2D;
break;
case DPP_COMP_SRC_GPU:
compressed_modifier |= AFBC_FORMAT_MOD_SOURCE_GPU;
break;
default:
break;
}
modifiers[0] |= DRM_FORMAT_MOD_ARM_AFBC(compressed_modifier);
} else {
if (isFormatSBWC(config.format)) {
if (isFormat10BitYUV420(config.format)) {
modifiers[0] |= DRM_FORMAT_MOD_SAMSUNG_SBWC(SBWC_FORMAT_MOD_BLOCK_SIZE_32x5);
} else {
modifiers[0] |= DRM_FORMAT_MOD_SAMSUNG_SBWC(SBWC_FORMAT_MOD_BLOCK_SIZE_32x4);
}
}
}
for (uint32_t bufferIndex = 0; bufferIndex < bufferNum; bufferIndex++) {
pitches[bufferIndex] = config.src.f_w * bpp;
modifiers[bufferIndex] = modifiers[0];
handles[bufferIndex] = getBufHandleFromFd(config.fd_idma[bufferIndex]);
if (handles[bufferIndex] == 0) {
return -ENOMEM;
}
}
if ((bufferNum == 1) && (planeNum > bufferNum)) {
/* offset for cbcr */
offsets[CBCR_INDEX] =
getExynosBufferYLength(config.src.f_w, config.src.f_h, config.format);
for (uint32_t planeIndex = 1; planeIndex < planeNum; planeIndex++) {
handles[planeIndex] = handles[0];
pitches[planeIndex] = pitches[0];
modifiers[planeIndex] = modifiers[0];
}
}
} else if (config.state == config.WIN_STATE_COLOR) {
bufWidth = config.dst.w;
bufHeight = config.dst.h;
modifiers[0] |= DRM_FORMAT_MOD_SAMSUNG_COLORMAP;
drmFormat = DRM_FORMAT_BGRA8888;
bufferNum = 0;
handles[0] = 0xff000000;
bpp = getBytePerPixelOfPrimaryPlane(HAL_PIXEL_FORMAT_BGRA_8888);
pitches[0] = config.dst.w * bpp;
fbId = findCachedFbId(config.layer,
[colorDesc = Framebuffer::SolidColorDesc{bufWidth, bufHeight}](
auto &buffer) { return buffer->colorDesc == colorDesc; });
if (fbId != 0) {
return NO_ERROR;
}
} else {
ALOGE("%s:: unknown config state(%d)", __func__, config.state);
return -EINVAL;
}
ret = addFB2WithModifiers(config.state, bufWidth, bufHeight, drmFormat, handles, pitches,
offsets, modifiers, &fbId, modifiers[0] ? DRM_MODE_FB_MODIFIERS : 0);
for (uint32_t bufferIndex = 0; bufferIndex < bufferNum; bufferIndex++) {
freeBufHandle(handles[bufferIndex]);
}
if (ret) {
ALOGE("%s:: Failed to add FB, fb_id(%d), ret(%d), f_w: %d, f_h: %d, dst.w: %d, dst.h: %d, "
"format: %d %4.4s, buf_handles[%d, %d, %d, %d], "
"pitches[%d, %d, %d, %d], offsets[%d, %d, %d, %d], modifiers[%#" PRIx64 ", %#" PRIx64
", %#" PRIx64 ", %#" PRIx64 "]",
__func__, fbId, ret, config.src.f_w, config.src.f_h, config.dst.w, config.dst.h,
drmFormat, (char *)&drmFormat, handles[0], handles[1], handles[2], handles[3],
pitches[0], pitches[1], pitches[2], pitches[3], offsets[0], offsets[1], offsets[2],
offsets[3], modifiers[0], modifiers[1], modifiers[2], modifiers[3]);
return ret;
}
if (config.layer || config.buffer_id) {
Mutex::Autolock lock(mMutex);
auto &cachedBuffers = mCachedLayerBuffers[config.layer];
auto maxCachedBufferSize = MAX_CACHED_BUFFERS_PER_LAYER;
if (config.protection && config.layer && config.layer->mM2mMPP) {
maxCachedBufferSize = MAX_CACHED_SECURE_BUFFERS_PER_G2D_LAYER;
}
if (cachedBuffers.size() > maxCachedBufferSize) {
ALOGW("FBManager: cached buffers size %zu exceeds limitation(%zu) while adding fbId %d",
cachedBuffers.size(), maxCachedBufferSize, fbId);
mCleanBuffers.splice(mCleanBuffers.end(), cachedBuffers);
}
if (config.state == config.WIN_STATE_COLOR) {
cachedBuffers.emplace_front(
new Framebuffer(mDrmFd, fbId,
Framebuffer::SolidColorDesc{bufWidth, bufHeight}));
} else {
cachedBuffers.emplace_front(
new Framebuffer(mDrmFd, fbId,
Framebuffer::BufferDesc{config.buffer_id, drmFormat,
config.protection}));
mHasSecureFramebuffer |= (isFramebuffer(config.layer) && config.protection);
}
} else {
ALOGW("FBManager: possible leakage fbId %d was created", fbId);
}
return 0;
}
void FramebufferManager::flip(bool hasSecureFrameBuffer) {
bool needCleanup = false;
{
Mutex::Autolock lock(mMutex);
destroyUnusedLayersLocked();
if (!hasSecureFrameBuffer) {
destroySecureFramebufferLocked();
}
needCleanup = mCleanBuffers.size() > 0;
}
if (needCleanup) {
mFlipDone.signal();
}
}
void FramebufferManager::releaseAll()
{
Mutex::Autolock lock(mMutex);
mCachedLayerBuffers.clear();
mCleanBuffers.clear();
}
void FramebufferManager::freeBufHandle(uint32_t handle) {
if (handle == 0) {
return;
}
struct drm_gem_close gem_close {
.handle = handle
};
int ret = drmIoctl(mDrmFd, DRM_IOCTL_GEM_CLOSE, &gem_close);
if (ret) {
ALOGE("Failed to close gem handle 0x%x with error %d\n", handle, ret);
}
}
void FramebufferManager::markInuseLayerLocked(const ExynosLayer *layer) {
if (mCacheShrinkPending) {
mCachedLayersInuse.insert(layer);
}
}
void FramebufferManager::destroyUnusedLayersLocked() {
if (!mCacheShrinkPending || mCachedLayersInuse.size() == mCachedLayerBuffers.size()) {
mCachedLayersInuse.clear();
return;
}
ALOGW("FBManager: shrink cached layers from %zu to %zu", mCachedLayerBuffers.size(),
mCachedLayersInuse.size());
for (auto layer = mCachedLayerBuffers.begin(); layer != mCachedLayerBuffers.end();) {
if (mCachedLayersInuse.find(layer->first) == mCachedLayersInuse.end()) {
mCleanBuffers.splice(mCleanBuffers.end(), std::move(layer->second));
layer = mCachedLayerBuffers.erase(layer);
} else {
++layer;
}
}
mCachedLayersInuse.clear();
}
void FramebufferManager::destroySecureFramebufferLocked() {
if (!mHasSecureFramebuffer) {
return;
}
mHasSecureFramebuffer = false;
for (auto &layer : mCachedLayerBuffers) {
if (isFramebuffer(layer.first)) {
auto &bufferList = layer.second;
for (auto it = bufferList.begin(); it != bufferList.end(); ++it) {
auto &buffer = *it;
if (buffer->bufferDesc.isSecure) {
// Assume the latest non-secure buffer in the front
// TODO: have a better way to keep in-used buffers
mCleanBuffers.splice(mCleanBuffers.end(), bufferList, it, bufferList.end());
return;
}
}
}
}
}
void ExynosDisplayDrmInterface::destroyLayer(ExynosLayer *layer) {
mFBManager.cleanup(layer);
}
int32_t ExynosDisplayDrmInterface::getDisplayIdleTimerSupport(bool &outSupport) {
auto [ret, support] = mDrmConnector->panel_idle_support().value();
if (ret) {
ALOGI("no panel_idle_support drm property or invalid value (%d)", ret);
outSupport = false;
} else {
outSupport = (support > 0);
}
return NO_ERROR;
}
int32_t ExynosDisplayDrmInterface::getDefaultModeId(int32_t *modeId) {
if (modeId == nullptr) return HWC2_ERROR_BAD_PARAMETER;
*modeId = mDrmConnector->get_preferred_mode_id();
return NO_ERROR;
}
ExynosDisplayDrmInterface::ExynosDisplayDrmInterface(ExynosDisplay *exynosDisplay):
mMonitorDescription{0}
{
mType = INTERFACE_TYPE_DRM;
init(exynosDisplay);
}
ExynosDisplayDrmInterface::~ExynosDisplayDrmInterface()
{
if (mActiveModeState.blob_id)
mDrmDevice->DestroyPropertyBlob(mActiveModeState.blob_id);
if (mActiveModeState.old_blob_id)
mDrmDevice->DestroyPropertyBlob(mActiveModeState.old_blob_id);
if (mDesiredModeState.blob_id)
mDrmDevice->DestroyPropertyBlob(mDesiredModeState.blob_id);
if (mDesiredModeState.old_blob_id)
mDrmDevice->DestroyPropertyBlob(mDesiredModeState.old_blob_id);
if (mPartialRegionState.blob_id)
mDrmDevice->DestroyPropertyBlob(mPartialRegionState.blob_id);
}
void ExynosDisplayDrmInterface::init(ExynosDisplay *exynosDisplay)
{
mExynosDisplay = exynosDisplay;
mDisplayTraceName = mExynosDisplay->mDisplayTraceName;
mDrmDevice = NULL;
mDrmCrtc = NULL;
mDrmConnector = NULL;
}
void ExynosDisplayDrmInterface::parseBlendEnums(const DrmProperty &property)
{
const std::vector<std::pair<uint32_t, const char *>> blendEnums = {
{HWC2_BLEND_MODE_NONE, "None"},
{HWC2_BLEND_MODE_PREMULTIPLIED, "Pre-multiplied"},
{HWC2_BLEND_MODE_COVERAGE, "Coverage"},
};
ALOGD("Init blend enums");
DrmEnumParser::parseEnums(property, blendEnums, mBlendEnums);
for (auto &e : mBlendEnums) {
ALOGD("blend [hal: %d, drm: %" PRId64 "]", e.first, e.second);
}
}
void ExynosDisplayDrmInterface::parseStandardEnums(const DrmProperty &property)
{
const std::vector<std::pair<uint32_t, const char *>> standardEnums = {
{HAL_DATASPACE_STANDARD_UNSPECIFIED, "Unspecified"},
{HAL_DATASPACE_STANDARD_BT709, "BT709"},
{HAL_DATASPACE_STANDARD_BT601_625, "BT601_625"},
{HAL_DATASPACE_STANDARD_BT601_625_UNADJUSTED, "BT601_625_UNADJUSTED"},
{HAL_DATASPACE_STANDARD_BT601_525, "BT601_525"},
{HAL_DATASPACE_STANDARD_BT601_525_UNADJUSTED, "BT601_525_UNADJUSTED"},
{HAL_DATASPACE_STANDARD_BT2020, "BT2020"},
{HAL_DATASPACE_STANDARD_BT2020_CONSTANT_LUMINANCE, "BT2020_CONSTANT_LUMINANCE"},
{HAL_DATASPACE_STANDARD_BT470M, "BT470M"},
{HAL_DATASPACE_STANDARD_FILM, "FILM"},
{HAL_DATASPACE_STANDARD_DCI_P3, "DCI-P3"},
{HAL_DATASPACE_STANDARD_ADOBE_RGB, "Adobe RGB"},
};
ALOGD("Init standard enums");
DrmEnumParser::parseEnums(property, standardEnums, mStandardEnums);
for (auto &e : mStandardEnums) {
ALOGD("standard [hal: %d, drm: %" PRId64 "]",
e.first >> HAL_DATASPACE_STANDARD_SHIFT, e.second);
}
}
void ExynosDisplayDrmInterface::parseTransferEnums(const DrmProperty &property)
{
const std::vector<std::pair<uint32_t, const char *>> transferEnums = {
{HAL_DATASPACE_TRANSFER_UNSPECIFIED, "Unspecified"},
{HAL_DATASPACE_TRANSFER_LINEAR, "Linear"},
{HAL_DATASPACE_TRANSFER_SRGB, "sRGB"},
{HAL_DATASPACE_TRANSFER_SMPTE_170M, "SMPTE 170M"},
{HAL_DATASPACE_TRANSFER_GAMMA2_2, "Gamma 2.2"},
{HAL_DATASPACE_TRANSFER_GAMMA2_6, "Gamma 2.6"},
{HAL_DATASPACE_TRANSFER_GAMMA2_8, "Gamma 2.8"},
{HAL_DATASPACE_TRANSFER_ST2084, "ST2084"},
{HAL_DATASPACE_TRANSFER_HLG, "HLG"},
};
ALOGD("Init transfer enums");
DrmEnumParser::parseEnums(property, transferEnums, mTransferEnums);
for (auto &e : mTransferEnums) {
ALOGD("transfer [hal: %d, drm: %" PRId64 "]",
e.first >> HAL_DATASPACE_TRANSFER_SHIFT, e.second);
}
}
void ExynosDisplayDrmInterface::parseRangeEnums(const DrmProperty &property)
{
const std::vector<std::pair<uint32_t, const char *>> rangeEnums = {
{HAL_DATASPACE_RANGE_UNSPECIFIED, "Unspecified"},
{HAL_DATASPACE_RANGE_FULL, "Full"},
{HAL_DATASPACE_RANGE_LIMITED, "Limited"},
{HAL_DATASPACE_RANGE_EXTENDED, "Extended"},
};
ALOGD("Init range enums");
DrmEnumParser::parseEnums(property, rangeEnums, mRangeEnums);
for (auto &e : mRangeEnums) {
ALOGD("range [hal: %d, drm: %" PRId64 "]",
e.first >> HAL_DATASPACE_RANGE_SHIFT, e.second);
}
}
void ExynosDisplayDrmInterface::parseColorModeEnums(const DrmProperty &property)
{
const std::vector<std::pair<uint32_t, const char *>> colorModeEnums = {
{HAL_COLOR_MODE_NATIVE, "Native"},
{HAL_COLOR_MODE_DCI_P3, "DCI-P3"},
{HAL_COLOR_MODE_SRGB, "sRGB"},
};
ALOGD("Init color mode enums");
DrmEnumParser::parseEnums(property, colorModeEnums, mColorModeEnums);
for (auto &e : mColorModeEnums) {
ALOGD("Colormode [hal: %d, drm: %" PRId64 "]", e.first, e.second);
}
}
void ExynosDisplayDrmInterface::parseMipiSyncEnums(const DrmProperty &property) {
const std::vector<std::pair<uint32_t, const char*>> modeEnums = {
{ toUnderlying(HalMipiSyncType::HAL_MIPI_CMD_SYNC_REFRESH_RATE), "sync_refresh_rate" },
{ toUnderlying(HalMipiSyncType::HAL_MIPI_CMD_SYNC_LHBM), "sync_lhbm" },
{ toUnderlying(HalMipiSyncType::HAL_MIPI_CMD_SYNC_GHBM), "sync_ghbm" },
{ toUnderlying(HalMipiSyncType::HAL_MIPI_CMD_SYNC_BL), "sync_bl" },
};
DrmEnumParser::parseEnums(property, modeEnums, mMipiSyncEnums);
for (auto &e : mMipiSyncEnums) {
ALOGD("mipi sync [hal 0x%x, drm: %" PRId64 ", %s]", e.first, e.second,
modeEnums[e.first].second);
}
}
void ExynosDisplayDrmInterface::updateMountOrientation()
{
const std::vector<std::pair<HwcMountOrientation, const char*>> orientationEnums = {
{ HwcMountOrientation::ROT_0, "Normal" },
{ HwcMountOrientation::ROT_90, "Left Side Up" },
{ HwcMountOrientation::ROT_180, "Upside Down" },
{ HwcMountOrientation::ROT_270, "Right Side Up" },
};
mExynosDisplay->mMountOrientation = HwcMountOrientation::ROT_0;
const DrmProperty &orientation = mDrmConnector->orientation();
if (orientation.id() == 0)
return;
auto [err, drmOrientation] = orientation.value();
if (err) {
ALOGW("%s failed to get drm prop value, err: %d", __func__, err);
return;
}
for (auto &e : orientationEnums) {
uint64_t enumValue;
std::tie(enumValue, err) = orientation.GetEnumValueWithName(e.second);
if (!err && enumValue == drmOrientation) {
mExynosDisplay->mMountOrientation = e.first;
return;
}
}
ALOGW("%s ignore unrecoganized orientation %" PRId64, __func__, drmOrientation);
}
void ExynosDisplayDrmInterface::parseRCDId(const DrmProperty &property) {
if (mExynosDisplay->mType != HWC_DISPLAY_PRIMARY) {
ALOGW("%s invalid display type: %d", __func__, mExynosDisplay->mType);
return;
}
if (property.id() == 0) {
static_cast<ExynosPrimaryDisplay *>(mExynosDisplay)->mRcdId = -1;
return;
}
auto [err, rcd_id] = property.value();
if (err < 0) {
ALOGW("%s failed to get drm prop value", __func__);
return;
}
if (getSpecialChannelId(rcd_id) >= 0)
static_cast<ExynosPrimaryDisplay *>(mExynosDisplay)->mRcdId = rcd_id;
}
uint32_t ExynosDisplayDrmInterface::getDrmDisplayId(uint32_t type, uint32_t index)
{
return type+index;
}
int32_t ExynosDisplayDrmInterface::initDrmDevice(DrmDevice *drmDevice)
{
if (mExynosDisplay == NULL) {
ALOGE("mExynosDisplay is not set");
return -EINVAL;
}
if ((mDrmDevice = drmDevice) == NULL) {
ALOGE("drmDevice is NULL");
return -EINVAL;
}
mFBManager.init(mDrmDevice->fd());
uint32_t drmDisplayId = getDrmDisplayId(mExynosDisplay->mType, mExynosDisplay->mIndex);
mReadbackInfo.init(mDrmDevice, drmDisplayId);
if ((mDrmCrtc = mDrmDevice->GetCrtcForDisplay(drmDisplayId)) == NULL) {
ALOGE("%s:: GetCrtcForDisplay is NULL (id: %d)",
mExynosDisplay->mDisplayName.string(), drmDisplayId);
return -EINVAL;
}
if ((mDrmConnector = mDrmDevice->GetConnectorForDisplay(drmDisplayId)) == NULL) {
ALOGE("%s:: GetConnectorForDisplay is NULL (id: %d)",
mExynosDisplay->mDisplayName.string(), drmDisplayId);
return -EINVAL;
}
ALOGD("%s:: display type: %d, index: %d, drmDisplayId: %d, "
"crtc id: %d, connector id: %d",
__func__, mExynosDisplay->mType, mExynosDisplay->mIndex,
drmDisplayId, mDrmCrtc->id(), mDrmConnector->id());
/* Mapping ExynosMPP resource with DPP Planes */
uint32_t numWindow = 0;
for (uint32_t i = 0; i < mDrmDevice->planes().size(); i++) {
auto &plane = mDrmDevice->planes().at(i);
uint32_t plane_id = plane->id();
if (!plane->zpos_property().is_immutable()) {
/* Plane can be used for composition */
ExynosMPP *exynosMPP =
mExynosDisplay->mResourceManager->getOtfMPPWithChannel(i);
if (exynosMPP == NULL)
HWC_LOGE(mExynosDisplay, "getOtfMPPWithChannel fail, ch(%d)", plane_id);
mExynosMPPsForPlane[plane_id] = exynosMPP;
numWindow++;
} else {
/*
* Plane is special purpose plane which cannot be used for compositon.
* It's zpos property is immutable.
*/
mExynosMPPsForPlane[plane_id] = NULL;
}
}
setMaxWindowNum(numWindow);
if (mExynosDisplay->mMaxWindowNum != getMaxWindowNum()) {
ALOGE("%s:: Invalid max window number (mMaxWindowNum: %d, getMaxWindowNum(): %d",
__func__, mExynosDisplay->mMaxWindowNum, getMaxWindowNum());
return -EINVAL;
}
getLowPowerDrmModeModeInfo();
mDrmVSyncWorker.Init(mDrmDevice, drmDisplayId, mDisplayTraceName);
mDrmVSyncWorker.RegisterCallback(std::shared_ptr<VsyncCallback>(this));
if (!mDrmDevice->planes().empty()) {
auto &plane = mDrmDevice->planes().front();
parseBlendEnums(plane->blend_property());
parseStandardEnums(plane->standard_property());
parseTransferEnums(plane->transfer_property());
parseRangeEnums(plane->range_property());
}
chosePreferredConfig();
parseColorModeEnums(mDrmCrtc->color_mode_property());
parseMipiSyncEnums(mDrmConnector->mipi_sync());
updateMountOrientation();
if (mExynosDisplay->mType == HWC_DISPLAY_PRIMARY) parseRCDId(mDrmCrtc->rcd_plane_id_property());
if (mExynosDisplay->mBrightnessController &&
mExynosDisplay->mBrightnessController->initDrm(*mDrmDevice, *mDrmConnector)) {
ALOGW("%s failed to init brightness controller", __func__);
}
return NO_ERROR;
}
void ExynosDisplayDrmInterface::Callback(
int display, int64_t timestamp)
{
{
Mutex::Autolock lock(mExynosDisplay->getDisplayMutex());
bool configApplied = mVsyncCallback.Callback(display, timestamp);
if (configApplied) {
if (mVsyncCallback.getDesiredVsyncPeriod()) {
mExynosDisplay->resetConfigRequestStateLocked(mActiveModeState.mode.id());
mDrmConnector->set_active_mode(mActiveModeState.mode);
mVsyncCallback.resetDesiredVsyncPeriod();
}
/*
* Disable vsync if vsync config change is done
*/
if (!mVsyncCallback.getVSyncEnabled()) {
mDrmVSyncWorker.VSyncControl(false);
mVsyncCallback.resetVsyncTimeStamp();
}
} else {
mExynosDisplay->updateConfigRequestAppliedTime();
}
if (!mExynosDisplay->mPlugState || !mVsyncCallback.getVSyncEnabled()) {
return;
}
// Refresh rate during enabling LHBM might be different from the one SF expects.
// HWC just reports the SF expected Vsync to make UI smoothness consistent even if
// HWC runs at different refresh rate temporarily.
if (!mExynosDisplay->isConfigSettingEnabled()) {
int64_t pendingPeriodNs =
mExynosDisplay->getVsyncPeriod(mExynosDisplay->mPendingConfig);
int64_t activePeriodNs = mExynosDisplay->getVsyncPeriod(mExynosDisplay->mActiveConfig);
if (pendingPeriodNs && mExynosDisplay->mLastVsyncTimestamp) {
if (activePeriodNs > pendingPeriodNs) {
DISPLAY_DRM_LOGW("wrong vsync period: %" PRId64 "us (active), %" PRId64
"us (pending)",
activePeriodNs / 1000, pendingPeriodNs / 1000);
} else if (activePeriodNs != pendingPeriodNs) {
int64_t deltaNs = timestamp - mExynosDisplay->mLastVsyncTimestamp;
if (deltaNs < (pendingPeriodNs - ms2ns(2))) {
DISPLAY_DRM_LOGI("skip mismatching Vsync callback, delta=%" PRId64 "us",
deltaNs / 1000);
return;
}
}
}
}
mExynosDisplay->mLastVsyncTimestamp = timestamp;
}
ExynosDevice *exynosDevice = mExynosDisplay->mDevice;
if (exynosDevice->onVsync_2_4(mExynosDisplay->mDisplayId, timestamp,
mExynosDisplay->mVsyncPeriod)) {
DISPLAY_ATRACE_INT(vsyncPeriodTag, static_cast<int32_t>(mExynosDisplay->mVsyncPeriod));
return;
}
exynosDevice->onVsync(mExynosDisplay->mDisplayId, timestamp);
}
bool ExynosDisplayDrmInterface::ExynosVsyncCallback::Callback(
int display, int64_t timestamp)
{
/*
* keep vsync period if mVsyncTimeStamp
* is not initialized since vsync is enabled
*/
if (mVsyncTimeStamp > 0) {
mVsyncPeriod = timestamp - mVsyncTimeStamp;
}
mVsyncTimeStamp = timestamp;
/* There was no config chage request */
if (!mDesiredVsyncPeriod)
return true;
/*
* mDesiredVsyncPeriod is nanoseconds
* Compare with 20% margin
*/
if (abs(static_cast<int32_t>(mDesiredVsyncPeriod - mVsyncPeriod)) < (mDesiredVsyncPeriod / 5))
return true;
return false;
}
int32_t ExynosDisplayDrmInterface::getLowPowerDrmModeModeInfo() {
auto mode = mDrmConnector->lp_mode();
if (!mode.clock()) {
return HWC2_ERROR_UNSUPPORTED;
}
mDozeDrmMode = mode;
return NO_ERROR;
}
int32_t ExynosDisplayDrmInterface::setLowPowerMode() {
if (!isDozeModeAvailable()) {
return HWC2_ERROR_UNSUPPORTED;
}
uint32_t mm_width = mDrmConnector->mm_width();
uint32_t mm_height = mDrmConnector->mm_height();
mExynosDisplay->mXres = mDozeDrmMode.h_display();
mExynosDisplay->mYres = mDozeDrmMode.v_display();
// in nanoseconds
mExynosDisplay->mVsyncPeriod = nsecsPerSec / mDozeDrmMode.v_refresh();
// Dots per 1000 inches
mExynosDisplay->mXdpi = mm_width ? (mDozeDrmMode.h_display() * kUmPerInch) / mm_width : -1;
// Dots per 1000 inches
mExynosDisplay->mYdpi = mm_height ? (mDozeDrmMode.v_display() * kUmPerInch) / mm_height : -1;
return setActiveDrmMode(mDozeDrmMode);
}
int32_t ExynosDisplayDrmInterface::setPowerMode(int32_t mode)
{
int ret = 0;
uint64_t dpms_value = 0;
if (mode == HWC_POWER_MODE_OFF) {
dpms_value = DRM_MODE_DPMS_OFF;
} else {
dpms_value = DRM_MODE_DPMS_ON;
}
const DrmProperty &prop = mDrmConnector->dpms_property();
if ((ret = drmModeConnectorSetProperty(mDrmDevice->fd(), mDrmConnector->id(), prop.id(),
dpms_value)) != NO_ERROR) {
HWC_LOGE(mExynosDisplay, "setPower mode ret (%d)", ret);
}
return ret;
}
int32_t ExynosDisplayDrmInterface::setVsyncEnabled(uint32_t enabled)
{
if (enabled == HWC2_VSYNC_ENABLE) {
mDrmVSyncWorker.VSyncControl(true);
} else {
if (mVsyncCallback.getDesiredVsyncPeriod() == 0)
mDrmVSyncWorker.VSyncControl(false);
}
mVsyncCallback.enableVSync(HWC2_VSYNC_ENABLE == enabled);
ExynosDevice *exynosDevice = mExynosDisplay->mDevice;
if (exynosDevice->isCallbackAvailable(HWC2_CALLBACK_VSYNC_2_4)) {
DISPLAY_ATRACE_INT(vsyncPeriodTag, 0);
}
return NO_ERROR;
}
int32_t ExynosDisplayDrmInterface::chosePreferredConfig()
{
uint32_t num_configs = 0;
int32_t err = getDisplayConfigs(&num_configs, NULL);
if (err != HWC2_ERROR_NONE || !num_configs)
return err;
int32_t config = -1;
char modeStr[PROPERTY_VALUE_MAX] = "\0";
int32_t width = 0, height = 0, fps = 0;
if (property_get("vendor.display.preferred_mode", modeStr, "") > 0 &&
sscanf(modeStr, "%dx%d@%d", &width, &height, &fps) == 3) {
err = mExynosDisplay->lookupDisplayConfigs(width, height, fps, &config);
} else {
err = HWC2_ERROR_BAD_CONFIG;
}
const int32_t drmPreferredConfig = mDrmConnector->get_preferred_mode_id();
if (err != HWC2_ERROR_NONE) {
config = drmPreferredConfig;
}
ALOGI("Preferred mode id: %d(%s), state: %d", config, modeStr, mDrmConnector->state());
auto &configs = mExynosDisplay->mDisplayConfigs;
if (config != drmPreferredConfig &&
(configs[config].width != configs[drmPreferredConfig].width ||
configs[config].height != configs[drmPreferredConfig].height)) {
// HWC cannot send a resolution change commit here until 1st frame update because of
// some panels requirement. Therefore, it calls setActiveConfigWithConstraints() help
// set mDesiredModeState correctly, and then trigger modeset in the 1s frame update.
if ((err = setActiveConfigWithConstraints(config)) < 0) {
ALOGE("failed to setActiveConfigWithConstraints(), err %d", err);
return err;
}
} else {
if ((err = setActiveConfig(config)) < 0) {
ALOGE("failed to set default config, err %d", err);
return err;
}
}
return mExynosDisplay->updateInternalDisplayConfigVariables(config);
}
int32_t ExynosDisplayDrmInterface::getDisplayConfigs(
uint32_t* outNumConfigs,
hwc2_config_t* outConfigs)
{
if (!outConfigs) {
int ret = mDrmConnector->UpdateModes();
if (ret) {
ALOGE("Failed to update display modes %d", ret);
return HWC2_ERROR_BAD_DISPLAY;
}
if (mDrmConnector->state() == DRM_MODE_CONNECTED)
mExynosDisplay->mPlugState = true;
else
mExynosDisplay->mPlugState = false;
dumpDisplayConfigs();
mExynosDisplay->mDisplayConfigs.clear();
uint32_t mm_width = mDrmConnector->mm_width();
uint32_t mm_height = mDrmConnector->mm_height();
/* key: (width<<32 | height) */
std::map<uint64_t, uint32_t> groupIds;
uint32_t groupId = 0;
float peakRr = -1;
for (const DrmMode &mode : mDrmConnector->modes()) {
displayConfigs_t configs;
float rr = mode.v_refresh();
configs.vsyncPeriod = nsecsPerSec / rr;
configs.width = mode.h_display();
configs.height = mode.v_display();
uint64_t key = ((uint64_t)configs.width<<32) | configs.height;
auto it = groupIds.find(key);
if (it != groupIds.end()) {
configs.groupId = it->second;
} else {
configs.groupId = groupId;
groupIds.insert(std::make_pair(key, groupId));
groupId++;
}
// Dots per 1000 inches
configs.Xdpi = mm_width ? (mode.h_display() * kUmPerInch) / mm_width : -1;
// Dots per 1000 inches
configs.Ydpi = mm_height ? (mode.v_display() * kUmPerInch) / mm_height : -1;
// find peak rr
if (rr > peakRr)
peakRr = rr;
mExynosDisplay->mDisplayConfigs.insert(std::make_pair(mode.id(), configs));
ALOGD("config group(%d), w(%d), h(%d), vsync(%d), xdpi(%d), ydpi(%d)",
configs.groupId, configs.width, configs.height,
configs.vsyncPeriod, configs.Xdpi, configs.Ydpi);
}
mExynosDisplay->setPeakRefreshRate(peakRr);
}
uint32_t num_modes = static_cast<uint32_t>(mDrmConnector->modes().size());
if (!outConfigs) {
*outNumConfigs = num_modes;
return HWC2_ERROR_NONE;
}
uint32_t idx = 0;
for (const DrmMode &mode : mDrmConnector->modes()) {
if (idx >= *outNumConfigs)
break;
outConfigs[idx++] = mode.id();
}
*outNumConfigs = idx;
return 0;
}
void ExynosDisplayDrmInterface::dumpDisplayConfigs()
{
uint32_t num_modes = static_cast<uint32_t>(mDrmConnector->modes().size());
for (uint32_t i = 0; i < num_modes; i++) {
auto mode = mDrmConnector->modes().at(i);
ALOGD("%s display config[%d] %s:: id(%d), clock(%d), flags(%d), type(%d)",
mExynosDisplay->mDisplayName.string(), i, mode.name().c_str(), mode.id(), mode.clock(), mode.flags(), mode.type());
ALOGD("\th_display(%d), h_sync_start(%d), h_sync_end(%d), h_total(%d), h_skew(%d)",
mode.h_display(), mode.h_sync_start(), mode.h_sync_end(), mode.h_total(), mode.h_skew());
ALOGD("\tv_display(%d), v_sync_start(%d), v_sync_end(%d), v_total(%d), v_scan(%d), v_refresh(%f)",
mode.v_display(), mode.v_sync_start(), mode.v_sync_end(), mode.v_total(), mode.v_scan(), mode.v_refresh());
}
}
int32_t ExynosDisplayDrmInterface::getDisplayVsyncPeriod(hwc2_vsync_period_t* outVsyncPeriod)
{
return HWC2_ERROR_UNSUPPORTED;
}
int32_t ExynosDisplayDrmInterface::getConfigChangeDuration()
{
const auto [ret, duration] = mDrmConnector->vrr_switch_duration().value();
if (!ret && duration > 0) {
return duration;
}
return 2;
};
int32_t ExynosDisplayDrmInterface::getVsyncAppliedTime(
hwc2_config_t config, int64_t* actualChangeTime)
{
if (mDrmCrtc->adjusted_vblank_property().id() == 0) {
uint64_t currentTime = systemTime(SYSTEM_TIME_MONOTONIC);
*actualChangeTime = currentTime +
(mExynosDisplay->mVsyncPeriod) * getConfigChangeDuration();
return HWC2_ERROR_NONE;
}
int ret = 0;
if ((ret = mDrmDevice->UpdateCrtcProperty(*mDrmCrtc,
&mDrmCrtc->adjusted_vblank_property())) != 0) {
HWC_LOGE(mExynosDisplay, "Failed to update vblank property");
return ret;
}
uint64_t timestamp;
std::tie(ret, timestamp) = mDrmCrtc->adjusted_vblank_property().value();
if (ret < 0) {
HWC_LOGE(mExynosDisplay, "Failed to get vblank property");
return ret;
}
*actualChangeTime = static_cast<int64_t>(timestamp);
return HWC2_ERROR_NONE;
}
bool ExynosDisplayDrmInterface::supportDataspace(int32_t dataspace)
{
bool supportStandard = false;
bool supportTransfer = false;
bool supportRange = false;
/* Check supported standard */
for (auto &e : mStandardEnums) {
if (e.first & dataspace)
supportStandard = true;
}
/* Check supported transfer */
for (auto &e : mTransferEnums) {
if (e.first & dataspace)
supportTransfer = true;
}
/* Check supported range */
for (auto &e : mRangeEnums) {
if (e.first & dataspace)
supportRange = true;
}
return supportStandard && supportTransfer && supportRange;
}
int32_t ExynosDisplayDrmInterface::getColorModes(uint32_t *outNumModes, int32_t *outModes)
{
if (mDrmCrtc->color_mode_property().id() == 0) {
*outNumModes = 1;
if (outModes != NULL) {
outModes[0] = HAL_COLOR_MODE_NATIVE;
}
return HWC2_ERROR_NONE;
}
uint32_t colorNum = 0;
for (auto &e : mColorModeEnums) {
if (outModes != NULL) {
outModes[colorNum] = e.first;
}
colorNum++;
ALOGD("Colormode [hal: %d, drm: %" PRId64 "]", e.first, e.second);
}
*outNumModes = colorNum;
return HWC2_ERROR_NONE;
}
int32_t ExynosDisplayDrmInterface::setColorMode(int32_t mode)
{
int ret = 0;
if (mDrmCrtc->color_mode_property().id() == 0) {
return HWC2_ERROR_NONE;
}
DrmModeAtomicReq drmReq(this);
if ((ret = drmReq.atomicAddProperty(mDrmCrtc->id(),
mDrmCrtc->color_mode_property(), mode)) < 0)
return ret;
if ((ret = drmReq.commit(0, true)) < 0)
return ret;
return HWC2_ERROR_NONE;
}
int32_t ExynosDisplayDrmInterface::setActiveConfigWithConstraints(
hwc2_config_t config, bool test)
{
ALOGD("%s:: %s config(%d) test(%d)", __func__, mExynosDisplay->mDisplayName.string(), config,
test);
auto mode = std::find_if(mDrmConnector->modes().begin(), mDrmConnector->modes().end(),
[config](DrmMode const &m) { return m.id() == config;});
if (mode == mDrmConnector->modes().end()) {
HWC_LOGE(mExynosDisplay, "Could not find active mode for %d", config);
return HWC2_ERROR_BAD_CONFIG;
}
if ((mActiveModeState.blob_id != 0) &&
(mActiveModeState.mode.id() == config)) {
ALOGD("%s:: same mode %d", __func__, config);
/* trigger resetConfigRequestStateLocked() */
mVsyncCallback.setDesiredVsyncPeriod(nsecsPerSec / mActiveModeState.mode.v_refresh());
mDrmVSyncWorker.VSyncControl(true);
return HWC2_ERROR_NONE;
}
if (mDesiredModeState.needsModeSet()) {
ALOGD("Previous mode change request is not applied");
}
int32_t ret = HWC2_ERROR_NONE;
DrmModeAtomicReq drmReq(this);
uint32_t modeBlob = 0;
if (mDesiredModeState.mode.id() != config) {
if ((ret = createModeBlob(*mode, modeBlob)) != NO_ERROR) {
HWC_LOGE(mExynosDisplay, "%s: Fail to set mode state",
__func__);
return HWC2_ERROR_BAD_CONFIG;
}
}
const auto isResSwitch =
(mActiveModeState.blob_id != 0) && mActiveModeState.isFullModeSwitch(*mode);
if (!test) {
if (modeBlob) { /* only replace desired mode if it has changed */
mDesiredModeState.setMode(*mode, modeBlob, drmReq);
if (mExynosDisplay->mOperationRateManager) {
mExynosDisplay->mOperationRateManager->onConfig(config);
}
DISPLAY_DRM_LOGI("%s: config(%d)", __func__, config);
} else {
ALOGD("%s:: same desired mode %d", __func__, config);
}
} else {
if (!isResSwitch) {
ret = setDisplayMode(drmReq, modeBlob ? modeBlob : mDesiredModeState.blob_id);
if (ret < 0) {
HWC_LOGE(mExynosDisplay, "%s: Fail to apply display mode", __func__);
return ret;
}
ret = drmReq.commit(DRM_MODE_ATOMIC_TEST_ONLY, true);
if (ret) {
drmReq.addOldBlob(modeBlob);
HWC_LOGE(mExynosDisplay,
"%s:: Failed to commit pset ret=%d in applyDisplayMode()\n", __func__,
ret);
return ret;
}
}
if (modeBlob) {
mDrmDevice->DestroyPropertyBlob(modeBlob);
}
}
return HWC2_ERROR_NONE;
}
int32_t ExynosDisplayDrmInterface::setActiveDrmMode(DrmMode const &mode) {
/* Don't skip when power was off */
if (!(mExynosDisplay->mSkipFrame) && (mActiveModeState.blob_id != 0) &&
(mActiveModeState.mode.id() == mode.id()) && !mActiveModeState.needsModeSet()) {
ALOGD("%s:: same mode %d", __func__, mode.id());
return HWC2_ERROR_NONE;
}
int32_t ret = HWC2_ERROR_NONE;
uint32_t modeBlob;
if ((ret = createModeBlob(mode, modeBlob)) != NO_ERROR) {
HWC_LOGE(mExynosDisplay, "%s: Fail to set mode state",
__func__);
return HWC2_ERROR_BAD_CONFIG;
}
DrmModeAtomicReq drmReq(this);
uint32_t flags = DRM_MODE_ATOMIC_ALLOW_MODESET;
bool reconfig = false;
if (mActiveModeState.isFullModeSwitch(mode)) {
reconfig = true;
}
if ((ret = setDisplayMode(drmReq, modeBlob)) != NO_ERROR) {
drmReq.addOldBlob(modeBlob);
HWC_LOGE(mExynosDisplay, "%s: Fail to apply display mode",
__func__);
return ret;
}
if ((ret = drmReq.commit(flags, true))) {
drmReq.addOldBlob(modeBlob);
HWC_LOGE(mExynosDisplay, "%s:: Failed to commit pset ret=%d in applyDisplayMode()\n",
__func__, ret);
return ret;
}
mDrmConnector->set_active_mode(mode);
mActiveModeState.setMode(mode, modeBlob, drmReq);
mActiveModeState.clearPendingModeState();
if (reconfig) {
mDrmConnector->ResetLpMode();
getLowPowerDrmModeModeInfo();
}
return HWC2_ERROR_NONE;
}
int32_t ExynosDisplayDrmInterface::setActiveConfig(hwc2_config_t config) {
auto mode = std::find_if(mDrmConnector->modes().begin(), mDrmConnector->modes().end(),
[config](DrmMode const &m) { return m.id() == config; });
if (mode == mDrmConnector->modes().end()) {
HWC_LOGE(mExynosDisplay, "Could not find active mode for %d", config);
return HWC2_ERROR_BAD_CONFIG;
}
if (mExynosDisplay->mOperationRateManager) {
mExynosDisplay->mOperationRateManager->onConfig(config);
}
mExynosDisplay->updateAppliedActiveConfig(config, systemTime(SYSTEM_TIME_MONOTONIC));
if (!setActiveDrmMode(*mode)) {
DISPLAY_DRM_LOGI("%s: config(%d)", __func__, config);
} else {
DISPLAY_DRM_LOGE("%s: config(%d) failed", __func__, config);
}
return 0;
}
int32_t ExynosDisplayDrmInterface::getPanelResolution() {
for (auto it = mDrmConnector->modes().begin(); it != mDrmConnector->modes().end(); it++) {
if (it->h_display() * it->v_display() > mPanelResolutionHsize * mPanelResolutionVsize) {
mPanelResolutionHsize = it->h_display();
mPanelResolutionVsize = it->v_display();
}
}
return 0;
}
int32_t ExynosDisplayDrmInterface::createModeBlob(const DrmMode &mode,
uint32_t &modeBlob)
{
struct drm_mode_modeinfo drm_mode;
memset(&drm_mode, 0, sizeof(drm_mode));
mode.ToDrmModeModeInfo(&drm_mode);
modeBlob = 0;
int ret = mDrmDevice->CreatePropertyBlob(&drm_mode, sizeof(drm_mode),
&modeBlob);
if (ret) {
HWC_LOGE(mExynosDisplay, "Failed to create mode property blob %d", ret);
return ret;
}
return NO_ERROR;
}
int32_t ExynosDisplayDrmInterface::setDisplayMode(
DrmModeAtomicReq &drmReq, const uint32_t modeBlob)
{
int ret = NO_ERROR;
if ((ret = drmReq.atomicAddProperty(mDrmCrtc->id(),
mDrmCrtc->active_property(), 1)) < 0)
return ret;
if ((ret = drmReq.atomicAddProperty(mDrmCrtc->id(),
mDrmCrtc->mode_property(), modeBlob)) < 0)
return ret;
if ((ret = drmReq.atomicAddProperty(mDrmConnector->id(),
mDrmConnector->crtc_id_property(), mDrmCrtc->id())) < 0)
return ret;
return NO_ERROR;
}
int32_t ExynosDisplayDrmInterface::setCursorPositionAsync(uint32_t x_pos, uint32_t y_pos)
{
return 0;
}
int32_t ExynosDisplayDrmInterface::updateHdrCapabilities()
{
/* Init member variables */
mExynosDisplay->mHdrTypes.clear();
mExynosDisplay->mMaxLuminance = 0;
mExynosDisplay->mMaxAverageLuminance = 0;
mExynosDisplay->mMinLuminance = 0;
const DrmProperty &prop_max_luminance = mDrmConnector->max_luminance();
const DrmProperty &prop_max_avg_luminance = mDrmConnector->max_avg_luminance();
const DrmProperty &prop_min_luminance = mDrmConnector->min_luminance();
const DrmProperty &prop_hdr_formats = mDrmConnector->hdr_formats();
int ret = 0;
uint64_t max_luminance = 0;
uint64_t max_avg_luminance = 0;
uint64_t min_luminance = 0;
uint64_t hdr_formats = 0;
if ((prop_max_luminance.id() == 0) ||
(prop_max_avg_luminance.id() == 0) ||
(prop_min_luminance.id() == 0) ||
(prop_hdr_formats.id() == 0)) {
ALOGE("%s:: there is no property for hdrCapabilities (max_luminance: %d, max_avg_luminance: %d, min_luminance: %d, hdr_formats: %d",
__func__, prop_max_luminance.id(), prop_max_avg_luminance.id(),
prop_min_luminance.id(), prop_hdr_formats.id());
return -1;
}
std::tie(ret, max_luminance) = prop_max_luminance.value();
if (ret < 0) {
HWC_LOGE(mExynosDisplay, "%s:: there is no max_luminance (ret = %d)",
__func__, ret);
return -1;
}
mExynosDisplay->mMaxLuminance = (float)max_luminance / DISPLAY_LUMINANCE_UNIT;
std::tie(ret, max_avg_luminance) = prop_max_avg_luminance.value();
if (ret < 0) {
HWC_LOGE(mExynosDisplay, "%s:: there is no max_avg_luminance (ret = %d)",
__func__, ret);
return -1;
}
mExynosDisplay->mMaxAverageLuminance = (float)max_avg_luminance / DISPLAY_LUMINANCE_UNIT;
std::tie(ret, min_luminance) = prop_min_luminance.value();
if (ret < 0) {
HWC_LOGE(mExynosDisplay, "%s:: there is no min_luminance (ret = %d)",
__func__, ret);
return -1;
}
mExynosDisplay->mMinLuminance = (float)min_luminance / DISPLAY_LUMINANCE_UNIT;
std::tie(ret, hdr_formats) = prop_hdr_formats.value();
if (ret < 0) {
HWC_LOGE(mExynosDisplay, "%s:: there is no hdr_formats (ret = %d)",
__func__, ret);
return -1;
}
uint32_t typeBit;
std::tie(typeBit, ret) = prop_hdr_formats.GetEnumValueWithName("Dolby Vision");
if ((ret == 0) && (hdr_formats & (1 << typeBit))) {
mExynosDisplay->mHdrTypes.push_back(HAL_HDR_DOLBY_VISION);
HDEBUGLOGD(eDebugHWC, "%s: supported hdr types : %d",
mExynosDisplay->mDisplayName.string(), HAL_HDR_DOLBY_VISION);
}
std::tie(typeBit, ret) = prop_hdr_formats.GetEnumValueWithName("HDR10");
if ((ret == 0) && (hdr_formats & (1 << typeBit))) {
mExynosDisplay->mHdrTypes.push_back(HAL_HDR_HDR10);
if (mExynosDisplay->mDevice->mResourceManager->hasHDR10PlusMPP()) {
mExynosDisplay->mHdrTypes.push_back(HAL_HDR_HDR10_PLUS);
}
HDEBUGLOGD(eDebugHWC, "%s: supported hdr types : %d",
mExynosDisplay->mDisplayName.string(), HAL_HDR_HDR10);
}
std::tie(typeBit, ret) = prop_hdr_formats.GetEnumValueWithName("HLG");
if ((ret == 0) && (hdr_formats & (1 << typeBit))) {
mExynosDisplay->mHdrTypes.push_back(HAL_HDR_HLG);
HDEBUGLOGD(eDebugHWC, "%s: supported hdr types : %d",
mExynosDisplay->mDisplayName.string(), HAL_HDR_HLG);
}
ALOGI("%s: get hdrCapabilities info max_luminance(%" PRId64 "), "
"max_avg_luminance(%" PRId64 "), min_luminance(%" PRId64 "), "
"hdr_formats(0x%" PRIx64 ")",
mExynosDisplay->mDisplayName.string(),
max_luminance, max_avg_luminance, min_luminance, hdr_formats);
ALOGI("%s: mHdrTypes size(%zu), maxLuminance(%f), maxAverageLuminance(%f), minLuminance(%f)",
mExynosDisplay->mDisplayName.string(), mExynosDisplay->mHdrTypes.size(), mExynosDisplay->mMaxLuminance,
mExynosDisplay->mMaxAverageLuminance, mExynosDisplay->mMinLuminance);
return 0;
}
int ExynosDisplayDrmInterface::getDeconChannel(ExynosMPP *otfMPP)
{
int32_t channelNum = sizeof(idma_channel_map)/sizeof(dpp_channel_map_t);
for (int i = 0; i < channelNum; i++) {
if((idma_channel_map[i].type == otfMPP->mPhysicalType) &&
(idma_channel_map[i].index == otfMPP->mPhysicalIndex))
return idma_channel_map[i].channel;
}
return -EINVAL;
}
int32_t ExynosDisplayDrmInterface::setupCommitFromDisplayConfig(
ExynosDisplayDrmInterface::DrmModeAtomicReq &drmReq,
const exynos_win_config_data &config,
const uint32_t configIndex,
const std::unique_ptr<DrmPlane> &plane,
uint32_t &fbId)
{
int ret = NO_ERROR;
if (fbId == 0) {
if ((ret = mFBManager.getBuffer(config, fbId)) < 0) {
HWC_LOGE(mExynosDisplay, "%s:: Failed to get FB, fbId(%d), ret(%d)", __func__, fbId,
ret);
return ret;
}
}
if ((ret = drmReq.atomicAddProperty(plane->id(),
plane->crtc_property(), mDrmCrtc->id())) < 0)
return ret;
if ((ret = drmReq.atomicAddProperty(plane->id(),
plane->fb_property(), fbId)) < 0)
return ret;
if ((ret = drmReq.atomicAddProperty(plane->id(),
plane->crtc_x_property(), config.dst.x)) < 0)
return ret;
if ((ret = drmReq.atomicAddProperty(plane->id(),
plane->crtc_y_property(), config.dst.y)) < 0)
return ret;
if ((ret = drmReq.atomicAddProperty(plane->id(),
plane->crtc_w_property(), config.dst.w)) < 0)
return ret;
if ((ret = drmReq.atomicAddProperty(plane->id(),
plane->crtc_h_property(), config.dst.h)) < 0)
return ret;
if ((ret = drmReq.atomicAddProperty(plane->id(),
plane->src_x_property(), (int)(config.src.x) << 16)) < 0)
return ret;
if ((ret = drmReq.atomicAddProperty(plane->id(),
plane->src_y_property(), (int)(config.src.y) << 16)) < 0)
HWC_LOGE(mExynosDisplay, "%s:: Failed to add src_y property to plane",
__func__);
if ((ret = drmReq.atomicAddProperty(plane->id(),
plane->src_w_property(), (int)(config.src.w) << 16)) < 0)
return ret;
if ((ret = drmReq.atomicAddProperty(plane->id(),
plane->src_h_property(), (int)(config.src.h) << 16)) < 0)
return ret;
if ((ret = drmReq.atomicAddProperty(plane->id(),
plane->rotation_property(),
halTransformToDrmRot(config.transform), true)) < 0)
return ret;
uint64_t drmEnum = 0;
std::tie(drmEnum, ret) = DrmEnumParser::halToDrmEnum(config.blending, mBlendEnums);
if (ret < 0) {
HWC_LOGE(mExynosDisplay, "Fail to convert blend(%d)", config.blending);
return ret;
}
if ((ret = drmReq.atomicAddProperty(plane->id(),
plane->blend_property(), drmEnum, true)) < 0)
return ret;
if (plane->zpos_property().id() &&
!plane->zpos_property().is_immutable()) {
uint64_t min_zpos = 0;
// Ignore ret and use min_zpos as 0 by default
std::tie(std::ignore, min_zpos) = plane->zpos_property().range_min();
if ((ret = drmReq.atomicAddProperty(plane->id(),
plane->zpos_property(), configIndex + min_zpos)) < 0)
return ret;
}
if (plane->alpha_property().id()) {
uint64_t min_alpha = 0;
uint64_t max_alpha = 0;
std::tie(std::ignore, min_alpha) = plane->alpha_property().range_min();
std::tie(std::ignore, max_alpha) = plane->alpha_property().range_max();
if ((ret = drmReq.atomicAddProperty(plane->id(),
plane->alpha_property(),
(uint64_t)(((max_alpha - min_alpha) * config.plane_alpha) + 0.5) + min_alpha, true)) < 0)
return ret;
}
if (config.acq_fence >= 0) {
if ((ret = drmReq.atomicAddProperty(plane->id(),
plane->in_fence_fd_property(), config.acq_fence)) < 0)
return ret;
}
if (config.state == config.WIN_STATE_COLOR)
{
if (plane->colormap_property().id()) {
if ((ret = drmReq.atomicAddProperty(plane->id(),
plane->colormap_property(), config.color)) < 0)
return ret;
} else {
HWC_LOGE(mExynosDisplay, "colormap property is not supported");
}
}
std::tie(drmEnum, ret) = DrmEnumParser::halToDrmEnum(
config.dataspace & HAL_DATASPACE_STANDARD_MASK, mStandardEnums);
if (ret < 0) {
HWC_LOGE(mExynosDisplay, "Fail to convert standard(%d)",
config.dataspace & HAL_DATASPACE_STANDARD_MASK);
return ret;
}
if ((ret = drmReq.atomicAddProperty(plane->id(),
plane->standard_property(),
drmEnum, true)) < 0)
return ret;
std::tie(drmEnum, ret) = DrmEnumParser::halToDrmEnum(
config.dataspace & HAL_DATASPACE_TRANSFER_MASK, mTransferEnums);
if (ret < 0) {
HWC_LOGE(mExynosDisplay, "Fail to convert transfer(%d)",
config.dataspace & HAL_DATASPACE_TRANSFER_MASK);
return ret;
}
if ((ret = drmReq.atomicAddProperty(plane->id(),
plane->transfer_property(), drmEnum, true)) < 0)
return ret;
std::tie(drmEnum, ret) = DrmEnumParser::halToDrmEnum(
config.dataspace & HAL_DATASPACE_RANGE_MASK, mRangeEnums);
if (ret < 0) {
HWC_LOGE(mExynosDisplay, "Fail to convert range(%d)",
config.dataspace & HAL_DATASPACE_RANGE_MASK);
return ret;
}
if ((ret = drmReq.atomicAddProperty(plane->id(),
plane->range_property(), drmEnum, true)) < 0)
return ret;
if (hasHdrInfo(config.dataspace)) {
if ((ret = drmReq.atomicAddProperty(plane->id(),
plane->min_luminance_property(), config.min_luminance)) < 0)
return ret;
if ((ret = drmReq.atomicAddProperty(plane->id(),
plane->max_luminance_property(), config.max_luminance)) < 0)
return ret;
}
if (config.state == config.WIN_STATE_RCD) {
if (plane->block_property().id()) {
if (mBlockState != config.block_area) {
uint32_t blobId = 0;
ret = mDrmDevice->CreatePropertyBlob(&config.block_area, sizeof(config.block_area),
&blobId);
if (ret || (blobId == 0)) {
HWC_LOGE(mExynosDisplay, "Failed to create blocking region blob id=%d, ret=%d",
blobId, ret);
return ret;
}
mBlockState.mRegion = config.block_area;
if (mBlockState.mBlobId) {
drmReq.addOldBlob(mBlockState.mBlobId);
}
mBlockState.mBlobId = blobId;
}
if ((ret = drmReq.atomicAddProperty(plane->id(), plane->block_property(),
mBlockState.mBlobId)) < 0) {
HWC_LOGE(mExynosDisplay, "Failed to set blocking region property %d", ret);
return ret;
}
}
}
return NO_ERROR;
}
int32_t ExynosDisplayDrmInterface::setupPartialRegion(DrmModeAtomicReq &drmReq)
{
if (!mDrmCrtc->partial_region_property().id())
return NO_ERROR;
int ret = NO_ERROR;
struct decon_frame &update_region = mExynosDisplay->mDpuData.win_update_region;
struct drm_clip_rect partial_rect = {
static_cast<unsigned short>(update_region.x),
static_cast<unsigned short>(update_region.y),
static_cast<unsigned short>(update_region.x + update_region.w),
static_cast<unsigned short>(update_region.y + update_region.h),
};
if ((mPartialRegionState.blob_id == 0) ||
mPartialRegionState.isUpdated(partial_rect))
{
uint32_t blob_id = 0;
ret = mDrmDevice->CreatePropertyBlob(&partial_rect,
sizeof(partial_rect),&blob_id);
if (ret || (blob_id == 0)) {
HWC_LOGE(mExynosDisplay, "Failed to create partial region "
"blob id=%d, ret=%d", blob_id, ret);
return ret;
}
HDEBUGLOGD(eDebugWindowUpdate,
"%s: partial region updated [%d, %d, %d, %d] -> [%d, %d, %d, %d] blob(%d)",
mExynosDisplay->mDisplayName.string(),
mPartialRegionState.partial_rect.x1,
mPartialRegionState.partial_rect.y1,
mPartialRegionState.partial_rect.x2,
mPartialRegionState.partial_rect.y2,
partial_rect.x1,
partial_rect.y1,
partial_rect.x2,
partial_rect.y2,
blob_id);
mPartialRegionState.partial_rect = partial_rect;
if (mPartialRegionState.blob_id)
drmReq.addOldBlob(mPartialRegionState.blob_id);
mPartialRegionState.blob_id = blob_id;
}
if ((ret = drmReq.atomicAddProperty(mDrmCrtc->id(),
mDrmCrtc->partial_region_property(),
mPartialRegionState.blob_id)) < 0) {
HWC_LOGE(mExynosDisplay, "Failed to set partial region property %d", ret);
return ret;
}
return ret;
}
int32_t ExynosDisplayDrmInterface::waitVBlank() {
drmVBlank vblank;
uint32_t high_crtc = (mDrmCrtc->pipe() << DRM_VBLANK_HIGH_CRTC_SHIFT);
memset(&vblank, 0, sizeof(vblank));
vblank.request.type = (drmVBlankSeqType)(
DRM_VBLANK_RELATIVE | (high_crtc & DRM_VBLANK_HIGH_CRTC_MASK));
vblank.request.sequence = 1;
int ret = drmWaitVBlank(mDrmDevice->fd(), &vblank);
return ret;
}
int32_t ExynosDisplayDrmInterface::updateColorSettings(DrmModeAtomicReq &drmReq, uint64_t dqeEnabled) {
int ret = NO_ERROR;
if (dqeEnabled) {
if ((ret = setDisplayColorSetting(drmReq)) != 0) {
HWC_LOGE(mExynosDisplay, "Failed to set display color setting");
return ret;
}
}
for (size_t i = 0; i < mExynosDisplay->mDpuData.configs.size(); i++) {
exynos_win_config_data& config = mExynosDisplay->mDpuData.configs[i];
if ((config.state == config.WIN_STATE_BUFFER) ||
(config.state == config.WIN_STATE_COLOR)) {
int channelId = 0;
if ((channelId = getDeconChannel(config.assignedMPP)) < 0) {
HWC_LOGE(mExynosDisplay, "%s:: Failed to get channel id (%d)",
__func__, channelId);
ret = -EINVAL;
return ret;
}
auto &plane = mDrmDevice->planes().at(channelId);
uint32_t solidColor = config.color;
if ((ret = setPlaneColorSetting(drmReq, plane, config, solidColor)) != 0) {
HWC_LOGE(mExynosDisplay, "Failed to set plane color setting, config[%zu]", i);
return ret;
}
if (config.state == config.WIN_STATE_COLOR && solidColor != config.color) {
config.color = solidColor;
}
}
}
return ret;
}
int32_t ExynosDisplayDrmInterface::deliverWinConfigData()
{
int ret = NO_ERROR;
DrmModeAtomicReq drmReq(this);
std::unordered_map<uint32_t, uint32_t> planeEnableInfo;
android::String8 result;
bool hasSecureFrameBuffer = false;
if (mExynosDisplay->isFrameUpdate()) {
mFrameCounter++;
}
funcReturnCallback retCallback([&]() {
if ((ret == NO_ERROR) && !drmReq.getError()) {
mFBManager.flip(hasSecureFrameBuffer);
} else if (ret == -ENOMEM) {
mFBManager.releaseAll();
}
});
mFBManager.checkShrink();
bool needModesetForReadback = false;
if (mExynosDisplay->mDpuData.enable_readback) {
if ((ret = setupWritebackCommit(drmReq)) < 0) {
HWC_LOGE(mExynosDisplay, "%s:: Failed to setup writeback commit ret(%d)",
__func__, ret);
return ret;
}
needModesetForReadback = true;
} else {
if (mReadbackInfo.mNeedClearReadbackCommit) {
if ((ret = clearWritebackCommit(drmReq)) < 0) {
HWC_LOGE(mExynosDisplay, "%s: Failed to clear writeback commit ret(%d)",
__func__, ret);
return ret;
}
needModesetForReadback = true;
}
}
uint64_t mipi_sync_type = 0;
if (mDesiredModeState.needsModeSet()) {
if (mExynosDisplay->checkRrCompensationEnabled()) {
mipi_sync_type |=
1 << mMipiSyncEnums[toUnderlying(HalMipiSyncType::HAL_MIPI_CMD_SYNC_REFRESH_RATE)];
}
if ((ret = setDisplayMode(drmReq, mDesiredModeState.blob_id)) < 0) {
HWC_LOGE(mExynosDisplay, "%s: Fail to apply display mode",
__func__);
return ret;
}
}
if ((ret = setupPartialRegion(drmReq)) != NO_ERROR)
return ret;
uint64_t out_fences[mDrmDevice->crtcs().size()];
if ((ret = drmReq.atomicAddProperty(mDrmCrtc->id(),
mDrmCrtc->out_fence_ptr_property(),
(uint64_t)&out_fences[mDrmCrtc->pipe()], true)) < 0) {
return ret;
}
for (auto &plane : mDrmDevice->planes()) {
planeEnableInfo[plane->id()] = 0;
}
uint64_t dqeEnable = 1;
if (mExynosDisplay->mDpuData.enable_readback &&
!mExynosDisplay->mDpuData.readback_info.requested_from_service) {
dqeEnable = 0;
}
if ((ret = drmReq.atomicAddProperty(mDrmCrtc->id(),
mDrmCrtc->dqe_enabled_property(), dqeEnable)) < 0) {
HWC_LOGE(mExynosDisplay, "%s: Fail to dqe_enable setting",
__func__);
return ret;
}
// Update of color settings could change layer's solid color. So it should
// be called before use of layer's solid color.
if ((ret = updateColorSettings(drmReq, dqeEnable)) != 0) {
HWC_LOGE(mExynosDisplay, "failed to update color settings (%d)", ret);
return ret;
}
for (size_t i = 0; i < mExynosDisplay->mDpuData.configs.size(); i++) {
exynos_win_config_data& config = mExynosDisplay->mDpuData.configs[i];
if ((config.state == config.WIN_STATE_BUFFER) ||
(config.state == config.WIN_STATE_COLOR)) {
int channelId = 0;
if ((channelId = getDeconChannel(config.assignedMPP)) < 0) {
HWC_LOGE(mExynosDisplay, "%s:: Failed to get channel id (%d)",
__func__, channelId);
ret = -EINVAL;
return ret;
}
/* src size should be set even in dim layer */
if (config.state == config.WIN_STATE_COLOR) {
config.src.w = config.dst.w;
config.src.h = config.dst.h;
}
auto &plane = mDrmDevice->planes().at(channelId);
uint32_t fbId = 0;
if ((ret = setupCommitFromDisplayConfig(drmReq, config, i, plane, fbId)) < 0) {
HWC_LOGE(mExynosDisplay, "setupCommitFromDisplayConfig failed, config[%zu]", i);
return ret;
}
hasSecureFrameBuffer |= (isFramebuffer(config.layer) && config.protection);
/* Set this plane is enabled */
planeEnableInfo[plane->id()] = 1;
}
}
for (size_t i = 0; i < mExynosDisplay->mDpuData.rcdConfigs.size(); ++i) {
exynos_win_config_data &config = mExynosDisplay->mDpuData.rcdConfigs[i];
if ((config.state == config.WIN_STATE_RCD) &&
(mExynosDisplay->mType == HWC_DISPLAY_PRIMARY)) {
const int32_t rcdId = static_cast<ExynosPrimaryDisplay *>(mExynosDisplay)->mRcdId;
const int32_t channelId = getSpecialChannelId(rcdId);
if (channelId >= 0) {
auto &plane = mDrmDevice->planes().at(channelId);
uint32_t fbId = 0;
if ((ret = setupCommitFromDisplayConfig(drmReq, config, i, plane, fbId)) < 0) {
HWC_LOGE(mExynosDisplay, "setupCommitFromDisplayConfig failed, config[%zu]", i);
}
planeEnableInfo[plane->id()] = 1;
}
}
}
/* Disable unused plane */
for (auto &plane : mDrmDevice->planes()) {
if (planeEnableInfo[plane->id()] == 0) {
/* Don't disable planes that are reserved to other display */
ExynosMPP* exynosMPP = mExynosMPPsForPlane[plane->id()];
if ((exynosMPP != NULL) && (mExynosDisplay != NULL) &&
(exynosMPP->mAssignedState & MPP_ASSIGN_STATE_RESERVED) &&
(exynosMPP->mReservedDisplay != (int32_t)mExynosDisplay->mDisplayId))
continue;
if ((exynosMPP == NULL) && (mExynosDisplay->mType == HWC_DISPLAY_PRIMARY) &&
(plane->id() != static_cast<ExynosPrimaryDisplay *>(mExynosDisplay)->mRcdId))
continue;
/* If this plane is not supported by the CRTC binded with ExynosDisplay,
* it should be disabled by this ExynosDisplay */
if (!plane->GetCrtcSupported(*mDrmCrtc))
continue;
if ((ret = drmReq.atomicAddProperty(plane->id(),
plane->crtc_property(), 0)) < 0)
return ret;
if ((ret = drmReq.atomicAddProperty(plane->id(),
plane->fb_property(), 0)) < 0)
return ret;
}
}
if (ATRACE_ENABLED()) {
mExynosDisplay->traceLayerTypes();
}
if (mExynosDisplay->mBrightnessController) {
bool ghbmSync, lhbmSync, blSync;
bool mixedComposition = mExynosDisplay->isMixedComposition()
|| mExynosDisplay->isPriorFrameMixedCompostion();
ret = mExynosDisplay->mBrightnessController->prepareFrameCommit(*mExynosDisplay,
*mDrmConnector, drmReq, mixedComposition,
ghbmSync, lhbmSync, blSync);
if (ret < 0) {
HWC_LOGE(mExynosDisplay, "%s: Fail to config brightness", __func__);
} else {
if (ghbmSync) {
mipi_sync_type |=
1 << mMipiSyncEnums[toUnderlying(HalMipiSyncType::HAL_MIPI_CMD_SYNC_GHBM)];
}
if (lhbmSync) {
mipi_sync_type |=
1 << mMipiSyncEnums[toUnderlying(HalMipiSyncType::HAL_MIPI_CMD_SYNC_LHBM)];
}
if (blSync) {
mipi_sync_type |=
1 << mMipiSyncEnums[toUnderlying(HalMipiSyncType::HAL_MIPI_CMD_SYNC_BL)];
}
}
}
uint32_t flags = DRM_MODE_ATOMIC_NONBLOCK;
if (needModesetForReadback || !mDesiredModeState.isSeamless())
flags |= DRM_MODE_ATOMIC_ALLOW_MODESET;
/* For Histogram */
if (dqeEnable && (ret = setDisplayHistogramSetting(drmReq)) != 0) {
HWC_LOGE(mExynosDisplay, "Failed to set display histogram setting (%d)", ret);
return ret;
}
if (mDrmConnector->mipi_sync().id() && (mipi_sync_type != 0)) {
// skip mipi sync in Doze mode
bool inDoze = isDozeModeAvailable() && mDozeDrmMode.id() == mActiveModeState.mode.id();
if (!inDoze) {
ATRACE_NAME("mipi_sync"); // mark this commit
if ((ret = drmReq.atomicAddProperty(mDrmConnector->id(),
mDrmConnector->mipi_sync(),
mipi_sync_type)) < 0) {
HWC_LOGE(mExynosDisplay, "%s: Fail to set mipi_sync property (%d)", __func__, ret);
}
}
}
auto expectedPresentTime = mExynosDisplay->getPendingExpectedPresentTime();
if (expectedPresentTime != 0) {
/* TODO: don't pass expected present time before we can provide accurate time that desire
* refresh rate take effect (b/202346402)
*/
if (!mVsyncCallback.getDesiredVsyncPeriod()) {
if ((ret = drmReq.atomicAddProperty(mDrmCrtc->id(),
mDrmCrtc->expected_present_time_property(),
expectedPresentTime)) < 0) {
HWC_LOGE(mExynosDisplay, "%s: Fail to set expected_present_time property (%d)",
__func__, ret);
}
}
mExynosDisplay->applyExpectedPresentTime();
}
if ((ret = drmReq.commit(flags, true)) < 0) {
HWC_LOGE(mExynosDisplay, "%s:: Failed to commit pset ret=%d in deliverWinConfigData()\n",
__func__, ret);
return ret;
}
mExynosDisplay->mDpuData.retire_fence = (int)out_fences[mDrmCrtc->pipe()];
/*
* [HACK] dup retire_fence for each layer's release fence
* Do not use hwc_dup because hwc_dup increase usage count of fence treacer
* Usage count of this fence is incresed by ExynosDisplay::deliverWinConfigData()
*/
for (auto &display_config : mExynosDisplay->mDpuData.configs) {
if ((display_config.state == display_config.WIN_STATE_BUFFER) ||
(display_config.state == display_config.WIN_STATE_CURSOR)) {
display_config.rel_fence =
dup((int)out_fences[mDrmCrtc->pipe()]);
}
}
if (mDesiredModeState.needsModeSet()) {
mDesiredModeState.apply(mActiveModeState, drmReq);
if (!mActiveModeState.isSeamless()) {
mDrmConnector->ResetLpMode();
getLowPowerDrmModeModeInfo();
}
mVsyncCallback.setDesiredVsyncPeriod(
nsecsPerSec/mActiveModeState.mode.v_refresh());
/* Enable vsync to check vsync period */
mDrmVSyncWorker.VSyncControl(true);
}
return NO_ERROR;
}
int32_t ExynosDisplayDrmInterface::clearDisplayMode(DrmModeAtomicReq &drmReq)
{
int ret = NO_ERROR;
if ((ret = drmReq.atomicAddProperty(mDrmConnector->id(),
mDrmConnector->crtc_id_property(), 0)) < 0)
return ret;
if ((ret = drmReq.atomicAddProperty(mDrmCrtc->id(),
mDrmCrtc->mode_property(), 0)) < 0)
return ret;
if ((ret = drmReq.atomicAddProperty(mDrmCrtc->id(),
mDrmCrtc->active_property(), 0)) < 0)
return ret;
return NO_ERROR;
}
int32_t ExynosDisplayDrmInterface::clearDisplayPlanes(DrmModeAtomicReq &drmReq)
{
int ret = NO_ERROR;
/* Disable all planes */
for (auto &plane : mDrmDevice->planes()) {
/* Do not disable planes that are reserved to other dispaly */
ExynosMPP* exynosMPP = mExynosMPPsForPlane[plane->id()];
if ((exynosMPP != NULL) && (mExynosDisplay != NULL) &&
(exynosMPP->mAssignedState & MPP_ASSIGN_STATE_RESERVED) &&
(exynosMPP->mReservedDisplay != (int32_t)mExynosDisplay->mDisplayId))
continue;
/* If this plane is not supported by the CRTC binded with ExynosDisplay,
* it should not be disabled by this ExynosDisplay */
if (!plane->GetCrtcSupported(*mDrmCrtc))
continue;
if ((ret = drmReq.atomicAddProperty(plane->id(),
plane->crtc_property(), 0)) < 0) {
break;
}
if ((ret = drmReq.atomicAddProperty(plane->id(),
plane->fb_property(), 0)) < 0) {
break;
}
}
return ret;
}
int32_t ExynosDisplayDrmInterface::clearDisplay(bool needModeClear)
{
ExynosDevice *exynosDevice = mExynosDisplay->mDevice;
const bool isAsyncOff = needModeClear && exynosDevice->isDispOffAsyncSupported() &&
!exynosDevice->hasOtherDisplayOn(mExynosDisplay);
int ret = NO_ERROR;
DrmModeAtomicReq drmReq(this);
ret = clearDisplayPlanes(drmReq);
if (ret != NO_ERROR) {
HWC_LOGE(mExynosDisplay, "%s: Failed to clear planes", __func__);
return ret;
}
/* Disable readback connector if required */
if (mReadbackInfo.mNeedClearReadbackCommit &&
!mExynosDisplay->mDpuData.enable_readback) {
if ((ret = clearWritebackCommit(drmReq)) < 0) {
HWC_LOGE(mExynosDisplay, "%s: Failed to apply writeback", __func__);
return ret;
}
}
/* Disable ModeSet */
if (needModeClear && !isAsyncOff) {
if ((ret = clearDisplayMode(drmReq)) < 0) {
HWC_LOGE(mExynosDisplay, "%s: Failed to apply display mode", __func__);
return ret;
}
}
ret = drmReq.commit(DRM_MODE_ATOMIC_ALLOW_MODESET, true);
if (ret) {
HWC_LOGE(mExynosDisplay, "%s:: Failed to commit pset ret=%d in clearDisplay()\n",
__func__, ret);
return ret;
}
/* During async off we're clearing planes within a single refresh cycle
* and then offloading display off asynchronously.
*/
if (isAsyncOff) {
if ((ret = clearDisplayMode(drmReq)) < 0) {
HWC_LOGE(mExynosDisplay, "%s: Failed to apply display mode", __func__);
return ret;
}
ret = drmReq.commit(DRM_MODE_ATOMIC_ALLOW_MODESET | DRM_MODE_ATOMIC_NONBLOCK, true);
if (ret) {
HWC_LOGE(mExynosDisplay, "%s:: Failed to commit pset ret=%d in clearDisplay()\n",
__func__, ret);
return ret;
}
}
if (needModeClear) mActiveModeState.forceModeSet();
return NO_ERROR;
}
int32_t ExynosDisplayDrmInterface::disableSelfRefresh(uint32_t disable)
{
return 0;
}
int32_t ExynosDisplayDrmInterface::setForcePanic()
{
if (exynosHWCControl.forcePanic == 0)
return NO_ERROR;
usleep(20000000);
FILE *forcePanicFd = fopen(HWC_FORCE_PANIC_PATH, "w");
if (forcePanicFd == NULL) {
ALOGW("%s:: Failed to open fd", __func__);
return -1;
}
int val = 1;
fwrite(&val, sizeof(int), 1, forcePanicFd);
fclose(forcePanicFd);
return 0;
}
ExynosDisplayDrmInterface::DrmModeAtomicReq::DrmModeAtomicReq(ExynosDisplayDrmInterface *displayInterface)
: mDrmDisplayInterface(displayInterface)
{
mPset = drmModeAtomicAlloc();
mSavedPset = NULL;
}
ExynosDisplayDrmInterface::DrmModeAtomicReq::~DrmModeAtomicReq()
{
if (mError != 0) {
android::String8 result;
result.appendFormat("atomic commit error\n");
if (hwcCheckDebugMessages(eDebugDisplayInterfaceConfig) == false)
dumpAtomicCommitInfo(result);
HWC_LOGE(mDrmDisplayInterface->mExynosDisplay, "%s", result.string());
}
if(mPset)
drmModeAtomicFree(mPset);
if (destroyOldBlobs() != NO_ERROR)
HWC_LOGE(mDrmDisplayInterface->mExynosDisplay, "destroy blob error");
}
int32_t ExynosDisplayDrmInterface::DrmModeAtomicReq::atomicAddProperty(
const uint32_t id,
const DrmProperty &property,
uint64_t value, bool optional)
{
if (!optional && !property.id()) {
HWC_LOGE(mDrmDisplayInterface->mExynosDisplay, "%s:: %s property id(%d) for id(%d) is not available",
__func__, property.name().c_str(), property.id(), id);
return -EINVAL;
}
if (property.id()) {
int ret = drmModeAtomicAddProperty(mPset, id,
property.id(), value);
if (ret < 0) {
HWC_LOGE(mDrmDisplayInterface->mExynosDisplay, "%s:: Failed to add property %d(%s) for id(%d), ret(%d)",
__func__, property.id(), property.name().c_str(), id, ret);
return ret;
}
}
return NO_ERROR;
}
String8& ExynosDisplayDrmInterface::DrmModeAtomicReq::dumpAtomicCommitInfo(
String8 &result, bool debugPrint)
{
/* print log only if eDebugDisplayInterfaceConfig flag is set when debugPrint is true */
if (debugPrint &&
(hwcCheckDebugMessages(eDebugDisplayInterfaceConfig) == false))
return result;
if (debugPrint)
ALOGD("%s atomic config ++++++++++++", mDrmDisplayInterface->mExynosDisplay->mDisplayName.string());
for (int i = 0; i < drmModeAtomicGetCursor(mPset); i++) {
const DrmProperty *property = NULL;
String8 objectName;
/* Check crtc properties */
if (mPset->items[i].object_id == mDrmDisplayInterface->mDrmCrtc->id()) {
for (auto property_ptr : mDrmDisplayInterface->mDrmCrtc->properties()) {
if (mPset->items[i].property_id == property_ptr->id()){
property = property_ptr;
objectName.appendFormat("Crtc");
break;
}
}
if (property == NULL) {
HWC_LOGE(mDrmDisplayInterface->mExynosDisplay,
"%s:: object id is crtc but there is no matched property",
__func__);
}
} else if (mPset->items[i].object_id == mDrmDisplayInterface->mDrmConnector->id()) {
for (auto property_ptr : mDrmDisplayInterface->mDrmConnector->properties()) {
if (mPset->items[i].property_id == property_ptr->id()){
property = property_ptr;
objectName.appendFormat("Connector");
break;
}
}
if (property == NULL) {
HWC_LOGE(mDrmDisplayInterface->mExynosDisplay,
"%s:: object id is connector but there is no matched property",
__func__);
}
} else {
uint32_t channelId = 0;
for (auto &plane : mDrmDisplayInterface->mDrmDevice->planes()) {
if (mPset->items[i].object_id == plane->id()) {
for (auto property_ptr : plane->properties()) {
if (mPset->items[i].property_id == property_ptr->id()){
property = property_ptr;
objectName.appendFormat("Plane[%d]", channelId);
break;
}
}
if (property == NULL) {
HWC_LOGE(mDrmDisplayInterface->mExynosDisplay,
"%s:: object id is plane but there is no matched property",
__func__);
}
}
channelId++;
}
}
if (property == NULL) {
HWC_LOGE(mDrmDisplayInterface->mExynosDisplay,
"%s:: Fail to get property[%d] (object_id: %d, property_id: %d, value: %" PRId64 ")",
__func__, i, mPset->items[i].object_id, mPset->items[i].property_id,
mPset->items[i].value);
continue;
}
if (debugPrint)
ALOGD("property[%d] %s object_id: %d, property_id: %d, name: %s, value: %" PRId64 ")\n",
i, objectName.string(), mPset->items[i].object_id, mPset->items[i].property_id, property->name().c_str(), mPset->items[i].value);
else
result.appendFormat("property[%d] %s object_id: %d, property_id: %d, name: %s, value: %" PRId64 ")\n",
i, objectName.string(), mPset->items[i].object_id, mPset->items[i].property_id, property->name().c_str(), mPset->items[i].value);
}
return result;
}
int ExynosDisplayDrmInterface::DrmModeAtomicReq::commit(uint32_t flags, bool loggingForDebug)
{
ATRACE_NAME("drmModeAtomicCommit");
android::String8 result;
/*
* During kernel is in TUI, all atomic commits should be returned with error EPERM(-1).
* To avoid handling atomic commit as fail, it needs to check TUI status.
*/
int ret = drmModeAtomicCommit(mDrmDisplayInterface->mDrmDevice->fd(),
mPset, flags, mDrmDisplayInterface->mDrmDevice);
if (loggingForDebug)
dumpAtomicCommitInfo(result, true);
if ((ret == -EPERM) && mDrmDisplayInterface->mDrmDevice->event_listener()->IsDrmInTUI()) {
ALOGV("skip atomic commit error handling as kernel is in TUI");
ret = NO_ERROR;
} else if (ret < 0) {
HWC_LOGE(mDrmDisplayInterface->mExynosDisplay, "commit error: %d", ret);
setError(ret);
}
return ret;
}
int32_t ExynosDisplayDrmInterface::getReadbackBufferAttributes(
int32_t* /*android_pixel_format_t*/ outFormat,
int32_t* /*android_dataspace_t*/ outDataspace)
{
DrmConnector *writeback_conn = mReadbackInfo.getWritebackConnector();
if (writeback_conn == NULL) {
ALOGE("%s: There is no writeback connection", __func__);
return -EINVAL;
}
mReadbackInfo.pickFormatDataspace();
if (mReadbackInfo.mReadbackFormat ==
HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED) {
ALOGE("readback format(%d) is not valid",
mReadbackInfo.mReadbackFormat);
return -EINVAL;
}
*outFormat = mReadbackInfo.mReadbackFormat;
*outDataspace = HAL_DATASPACE_UNKNOWN;
return NO_ERROR;
}
int32_t ExynosDisplayDrmInterface::setupWritebackCommit(DrmModeAtomicReq &drmReq)
{
int ret = NO_ERROR;
DrmConnector *writeback_conn = mReadbackInfo.getWritebackConnector();
if (writeback_conn == NULL) {
ALOGE("%s: There is no writeback connection", __func__);
return -EINVAL;
}
if (writeback_conn->writeback_fb_id().id() == 0 ||
writeback_conn->writeback_out_fence().id() == 0) {
ALOGE("%s: Writeback properties don't exit", __func__);
return -EINVAL;
}
uint32_t writeback_fb_id = 0;
exynos_win_config_data writeback_config;
VendorGraphicBufferMeta gmeta(mExynosDisplay->mDpuData.readback_info.handle);
writeback_config.state = exynos_win_config_data::WIN_STATE_BUFFER;
writeback_config.format = mReadbackInfo.mReadbackFormat;
writeback_config.src = {0, 0, mExynosDisplay->mXres, mExynosDisplay->mYres,
gmeta.stride, gmeta.vstride};
writeback_config.dst = {0, 0, mExynosDisplay->mXres, mExynosDisplay->mYres,
gmeta.stride, gmeta.vstride};
writeback_config.fd_idma[0] = gmeta.fd;
writeback_config.fd_idma[1] = gmeta.fd1;
writeback_config.fd_idma[2] = gmeta.fd2;
if ((ret = mFBManager.getBuffer(writeback_config, writeback_fb_id)) < 0) {
ALOGE("%s: getBuffer() fail ret(%d)", __func__, ret);
return ret;
}
if ((ret = drmReq.atomicAddProperty(writeback_conn->id(),
writeback_conn->writeback_fb_id(),
writeback_fb_id)) < 0)
return ret;
if ((ret = drmReq.atomicAddProperty(writeback_conn->id(),
writeback_conn->writeback_out_fence(),
(uint64_t)& mExynosDisplay->mDpuData.readback_info.acq_fence)) < 0)
return ret;
if ((ret = drmReq.atomicAddProperty(writeback_conn->id(),
writeback_conn->crtc_id_property(),
mDrmCrtc->id())) < 0)
return ret;
mReadbackInfo.setFbId(writeback_fb_id);
mReadbackInfo.mNeedClearReadbackCommit = true;
return NO_ERROR;
}
int32_t ExynosDisplayDrmInterface::clearWritebackCommit(DrmModeAtomicReq &drmReq)
{
int ret;
DrmConnector *writeback_conn = mReadbackInfo.getWritebackConnector();
if (writeback_conn == NULL) {
ALOGE("%s: There is no writeback connection", __func__);
return -EINVAL;
}
if ((ret = drmReq.atomicAddProperty(writeback_conn->id(),
writeback_conn->writeback_fb_id(), 0)) < 0)
return ret;
if ((ret = drmReq.atomicAddProperty(writeback_conn->id(),
writeback_conn->writeback_out_fence(), 0)) < 0)
return ret;
if ((ret = drmReq.atomicAddProperty(writeback_conn->id(),
writeback_conn->crtc_id_property(), 0)) < 0)
return ret;
mReadbackInfo.mNeedClearReadbackCommit = false;
return NO_ERROR;
}
void ExynosDisplayDrmInterface::DrmReadbackInfo::init(DrmDevice *drmDevice, uint32_t displayId)
{
mDrmDevice = drmDevice;
mWritebackConnector = mDrmDevice->AvailableWritebackConnector(displayId);
if (mWritebackConnector == NULL) {
ALOGI("writeback is not supported");
return;
}
if (mWritebackConnector->writeback_fb_id().id() == 0 ||
mWritebackConnector->writeback_out_fence().id() == 0) {
ALOGE("%s: Writeback properties don't exit", __func__);
mWritebackConnector = NULL;
return;
}
if (mWritebackConnector->writeback_pixel_formats().id()) {
int32_t ret = NO_ERROR;
uint64_t blobId;
std::tie(ret, blobId) = mWritebackConnector->writeback_pixel_formats().value();
if (ret) {
ALOGE("Fail to get blob id for writeback_pixel_formats");
return;
}
drmModePropertyBlobPtr blob = drmModeGetPropertyBlob(mDrmDevice->fd(), blobId);
if (!blob) {
ALOGE("Fail to get blob for writeback_pixel_formats(%" PRId64 ")", blobId);
return;
}
uint32_t formatNum = (blob->length)/sizeof(uint32_t);
uint32_t *formats = (uint32_t *)blob->data;
for (uint32_t i = 0; i < formatNum; i++) {
int halFormat = drmFormatToHalFormat(formats[i]);
ALOGD("supported writeback format[%d] %4.4s, %d", i, (char *)&formats[i], halFormat);
if (halFormat != HAL_PIXEL_FORMAT_EXYNOS_UNDEFINED)
mSupportedFormats.push_back(halFormat);
}
drmModeFreePropertyBlob(blob);
}
}
void ExynosDisplayDrmInterface::DrmReadbackInfo::pickFormatDataspace()
{
if (!mSupportedFormats.empty())
mReadbackFormat = mSupportedFormats[0];
auto it = std::find(mSupportedFormats.begin(),
mSupportedFormats.end(), PREFERRED_READBACK_FORMAT);
if (it != mSupportedFormats.end())
mReadbackFormat = *it;
}
int32_t ExynosDisplayDrmInterface::getDisplayFakeEdid(uint8_t &outPort, uint32_t &outDataSize,
uint8_t *outData) {
int width = mExynosDisplay->mXres;
int height = mExynosDisplay->mYres;
int clock = (width) * (height) * 60 / 10000;
std::array<uint8_t, 128> edid_buf{
0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x00, /* header */
0x1C, 0xEC, /* manufacturer GGL */
0x00, 0x00, /* product */
0x00, 0x00, 0x00, 0x00, /* serial number */
0x01, /* week of manufacture */
0x00, /* year of manufacture */
0x01, 0x03, /* EDID version */
0x80, /* capabilities - digital */
0x00, /* horizontal in cm */
0x00, /* vertical in cm */
0x78, /* gamma 2.2 */
0xEE, 0xEE, 0x91, 0xA3, 0x54, 0x4C, 0x99, 0x26, 0x0F, 0x50, 0x54, /* chromaticity */
0x00, 0x00, 0x00, /* no default timings */
/* no standard timings */
0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
0x01, 0x01,
/* descriptor block 1 */
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00,
/* descriptor block 2 */
0x00, 0x00, 0x00, 0xFD, 0x00, 0x00, 0xC8, 0x00, 0xC8, 0x64, 0x00, 0x0A, 0x20, 0x20,
0x20, 0x20, 0x20, 0x20,
/* descriptor block 3 */
0x00, 0x00, 0x00, 0xFC, 0x00, 'C', 'o', 'm', 'm', 'o', 'n', ' ', 'P', 'a', 'n', 'e',
'l', '\n',
/* descriptor block 4 */
0x00, 0x00, 0x00, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, /* number of extensions */
0x00 /* checksum */
};
edid_buf[55] = clock >> 8;
edid_buf[56] = width & 0xff;
edid_buf[58] = (width >> 4) & 0xf0;
edid_buf[59] = height & 0xff;
edid_buf[61] = (height >> 4) & 0xf0;
if (mMonitorDescription[0] != 0) {
/* Descriptor block 3 starts at address 90, data offset is 5 bytes */
memcpy(&edid_buf[95], mMonitorDescription.data(), mMonitorDescription.size());
}
unsigned int sum = std::accumulate(edid_buf.begin(), edid_buf.end() - 1, 0);
edid_buf[127] = (0x100 - (sum & 0xFF)) & 0xFF;
if (outData) {
outDataSize = std::min<uint32_t>(outDataSize, edid_buf.size());
memcpy(outData, edid_buf.data(), outDataSize);
} else {
outDataSize = static_cast<uint32_t>(edid_buf.size());
}
outPort = mExynosDisplay->mDisplayId;
ALOGD("using Display Fake Edid");
return HWC2_ERROR_NONE;
}
int32_t ExynosDisplayDrmInterface::getDisplayIdentificationData(
uint8_t* outPort, uint32_t* outDataSize, uint8_t* outData)
{
if ((mDrmDevice == nullptr) || (mDrmConnector == nullptr)) {
ALOGE("%s: display(%s) mDrmDevice(%p), mDrmConnector(%p)",
__func__, mExynosDisplay->mDisplayName.string(),
mDrmDevice, mDrmConnector);
return HWC2_ERROR_UNSUPPORTED;
}
if (mDrmConnector->edid_property().id() == 0) {
ALOGD("%s: edid_property is not supported",
mExynosDisplay->mDisplayName.string());
return HWC2_ERROR_UNSUPPORTED;
}
if (outPort == nullptr || outDataSize == nullptr) return HWC2_ERROR_BAD_PARAMETER;
drmModePropertyBlobPtr blob;
int ret;
uint64_t blobId;
std::tie(ret, blobId) = mDrmConnector->edid_property().value();
if (ret) {
ALOGE("Failed to get edid property value.");
return HWC2_ERROR_UNSUPPORTED;
}
if (blobId == 0) {
ALOGD("%s: edid_property is supported but blob is not valid",
mExynosDisplay->mDisplayName.string());
return getDisplayFakeEdid(*outPort, *outDataSize, outData);
}
blob = drmModeGetPropertyBlob(mDrmDevice->fd(), blobId);
if (blob == nullptr) {
ALOGD("%s: Failed to get blob",
mExynosDisplay->mDisplayName.string());
return HWC2_ERROR_UNSUPPORTED;
}
if (outData) {
*outDataSize = std::min(*outDataSize, blob->length);
memcpy(outData, blob->data, *outDataSize);
} else {
*outDataSize = blob->length;
}
drmModeFreePropertyBlob(blob);
*outPort = mDrmConnector->id();
return HWC2_ERROR_NONE;
}
int32_t ExynosDisplayDrmInterface::getSpecialChannelId(uint32_t planeId) {
ExynosDevice *exynosDevice = mExynosDisplay->mDevice;
for (int i = 0; i < exynosDevice->getSpecialPlaneNum(); i++) {
const int32_t channelId = exynosDevice->getSpecialPlaneId(i);
auto &plane = mDrmDevice->planes().at(channelId);
if (plane->id() == planeId) return channelId;
}
ALOGE("%s: Failed to get RCD planeId.", __func__);
return -EINVAL;
}