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android / platform / hardware / qcom / sm7250 / display / 6b0aeece293c0b94f2a6d78b31ff7d342b3dd83b / . / composer / hwc_session_services.cpp
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/*
* Copyright (c) 2017-2021, The Linux Foundation. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials provided
* with the distribution.
* * Neither the name of The Linux Foundation. nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <core/buffer_allocator.h>
#include <utils/debug.h>
#include <sync/sync.h>
#include <vector>
#include <string>
#include "hwc_buffer_sync_handler.h"
#include "hwc_session.h"
#include "hwc_debugger.h"
#define __CLASS__ "HWCSession"
namespace sdm {
void HWCSession::StartServices() {
int error = DisplayConfig::DeviceInterface::RegisterDevice(this);
if (error) {
DLOGW("Could not register IDisplayConfig as service (%d).", error);
} else {
DLOGI("IDisplayConfig service registration completed.");
}
}
int MapDisplayType(DispType dpy) {
switch (dpy) {
case DispType::kPrimary:
return qdutils::DISPLAY_PRIMARY;
case DispType::kExternal:
return qdutils::DISPLAY_EXTERNAL;
case DispType::kVirtual:
return qdutils::DISPLAY_VIRTUAL;
default:
break;
}
return -EINVAL;
}
bool WaitForResourceNeeded(HWC2::PowerMode prev_mode, HWC2::PowerMode new_mode) {
return ((prev_mode == HWC2::PowerMode::Off) &&
(new_mode == HWC2::PowerMode::On || new_mode == HWC2::PowerMode::Doze));
}
HWCDisplay::DisplayStatus MapExternalStatus(DisplayConfig::ExternalStatus status) {
switch (status) {
case DisplayConfig::ExternalStatus::kOffline:
return HWCDisplay::kDisplayStatusOffline;
case DisplayConfig::ExternalStatus::kOnline:
return HWCDisplay::kDisplayStatusOnline;
case DisplayConfig::ExternalStatus::kPause:
return HWCDisplay::kDisplayStatusPause;
case DisplayConfig::ExternalStatus::kResume:
return HWCDisplay::kDisplayStatusResume;
default:
break;
}
return HWCDisplay::kDisplayStatusInvalid;
}
int HWCSession::RegisterClientContext(std::shared_ptr<DisplayConfig::ConfigCallback> callback,
DisplayConfig::ConfigInterface **intf) {
if (!intf) {
DLOGE("Invalid DisplayConfigIntf location");
return -EINVAL;
}
std::weak_ptr<DisplayConfig::ConfigCallback> wp_callback = callback;
DisplayConfigImpl *impl = new DisplayConfigImpl(wp_callback, this);
*intf = impl;
return 0;
}
void HWCSession::UnRegisterClientContext(DisplayConfig::ConfigInterface *intf) {
delete static_cast<DisplayConfigImpl *>(intf);
}
HWCSession::DisplayConfigImpl::DisplayConfigImpl(
std::weak_ptr<DisplayConfig::ConfigCallback> callback,
HWCSession *hwc_session) {
callback_ = callback;
hwc_session_ = hwc_session;
}
int HWCSession::DisplayConfigImpl::IsDisplayConnected(DispType dpy, bool *connected) {
int disp_id = MapDisplayType(dpy);
int disp_idx = hwc_session_->GetDisplayIndex(disp_id);
if (disp_idx == -1) {
DLOGE("Invalid display = %d", disp_id);
return -EINVAL;
} else {
SEQUENCE_WAIT_SCOPE_LOCK(hwc_session_->locker_[disp_idx]);
*connected = hwc_session_->hwc_display_[disp_idx];
}
return 0;
}
int HWCSession::SetDisplayStatus(int disp_id, HWCDisplay::DisplayStatus status) {
int disp_idx = GetDisplayIndex(disp_id);
int err = -EINVAL;
if (disp_idx == -1) {
DLOGE("Invalid display = %d", disp_id);
return -EINVAL;
}
if (disp_idx == qdutils::DISPLAY_PRIMARY) {
DLOGE("Not supported for this display");
return err;
}
{
SEQUENCE_WAIT_SCOPE_LOCK(locker_[disp_idx]);
if (!hwc_display_[disp_idx]) {
DLOGW("Display is not connected");
return err;
}
DLOGI("Display = %d, Status = %d", disp_idx, status);
err = hwc_display_[disp_idx]->SetDisplayStatus(status);
if (err != 0) {
return err;
}
}
if (status == HWCDisplay::kDisplayStatusResume || status == HWCDisplay::kDisplayStatusPause) {
hwc2_display_t active_builtin_disp_id = GetActiveBuiltinDisplay();
if (active_builtin_disp_id < HWCCallbacks::kNumRealDisplays) {
{
SEQUENCE_WAIT_SCOPE_LOCK(locker_[active_builtin_disp_id]);
hwc_display_[active_builtin_disp_id]->ResetValidation();
}
callbacks_.Refresh(active_builtin_disp_id);
}
}
return err;
}
int HWCSession::DisplayConfigImpl::SetDisplayStatus(DispType dpy,
DisplayConfig::ExternalStatus status) {
return hwc_session_->SetDisplayStatus(MapDisplayType(dpy), MapExternalStatus(status));
}
int HWCSession::DisplayConfigImpl::ConfigureDynRefreshRate(DisplayConfig::DynRefreshRateOp op,
uint32_t refresh_rate) {
SEQUENCE_WAIT_SCOPE_LOCK(hwc_session_->locker_[HWC_DISPLAY_PRIMARY]);
HWCDisplay *hwc_display = hwc_session_->hwc_display_[HWC_DISPLAY_PRIMARY];
if (!hwc_display) {
DLOGW("Display = %d is not connected.", HWC_DISPLAY_PRIMARY);
return -EINVAL;
}
switch (op) {
case DisplayConfig::DynRefreshRateOp::kDisableMetadata:
return hwc_display->Perform(HWCDisplayBuiltIn::SET_METADATA_DYN_REFRESH_RATE, false);
case DisplayConfig::DynRefreshRateOp::kEnableMetadata:
return hwc_display->Perform(HWCDisplayBuiltIn::SET_METADATA_DYN_REFRESH_RATE, true);
case DisplayConfig::DynRefreshRateOp::kSetBinder:
return hwc_display->Perform(HWCDisplayBuiltIn::SET_BINDER_DYN_REFRESH_RATE, refresh_rate);
default:
DLOGW("Invalid operation %d", op);
return -EINVAL;
}
return 0;
}
int HWCSession::GetConfigCount(int disp_id, uint32_t *count) {
int disp_idx = GetDisplayIndex(disp_id);
if (disp_idx == -1) {
DLOGE("Invalid display = %d", disp_id);
return -EINVAL;
}
SEQUENCE_WAIT_SCOPE_LOCK(locker_[disp_idx]);
if (hwc_display_[disp_idx]) {
return hwc_display_[disp_idx]->GetDisplayConfigCount(count);
}
return -EINVAL;
}
int HWCSession::DisplayConfigImpl::GetConfigCount(DispType dpy, uint32_t *count) {
return hwc_session_->GetConfigCount(MapDisplayType(dpy), count);
}
int HWCSession::GetActiveConfigIndex(int disp_id, uint32_t *config) {
int disp_idx = GetDisplayIndex(disp_id);
if (disp_idx == -1) {
DLOGE("Invalid display = %d", disp_id);
return -EINVAL;
}
SEQUENCE_WAIT_SCOPE_LOCK(locker_[disp_idx]);
if (hwc_display_[disp_idx]) {
return hwc_display_[disp_idx]->GetActiveDisplayConfig(config);
}
return -EINVAL;
}
int HWCSession::DisplayConfigImpl::GetActiveConfig(DispType dpy, uint32_t *config) {
return hwc_session_->GetActiveConfigIndex(MapDisplayType(dpy), config);
}
int HWCSession::SetActiveConfigIndex(int disp_id, uint32_t config) {
int disp_idx = GetDisplayIndex(disp_id);
if (disp_idx == -1) {
DLOGE("Invalid display = %d", disp_id);
return -EINVAL;
}
SEQUENCE_WAIT_SCOPE_LOCK(locker_[disp_idx]);
int error = -EINVAL;
if (hwc_display_[disp_idx]) {
error = hwc_display_[disp_idx]->SetActiveDisplayConfig(config);
if (!error) {
callbacks_.Refresh(0);
}
}
return error;
}
int HWCSession::DisplayConfigImpl::SetActiveConfig(DispType dpy, uint32_t config) {
return hwc_session_->SetActiveConfigIndex(MapDisplayType(dpy), config);
}
int HWCSession::DisplayConfigImpl::GetDisplayAttributes(uint32_t config_index, DispType dpy,
DisplayConfig::Attributes *attributes) {
int error = -EINVAL;
int disp_id = MapDisplayType(dpy);
int disp_idx = hwc_session_->GetDisplayIndex(disp_id);
if (disp_idx == -1) {
DLOGE("Invalid display = %d", disp_id);
} else {
SEQUENCE_WAIT_SCOPE_LOCK(hwc_session_->locker_[disp_idx]);
if (hwc_session_->hwc_display_[disp_idx]) {
DisplayConfigVariableInfo var_info;
error = hwc_session_->hwc_display_[disp_idx]->GetDisplayAttributesForConfig(INT(config_index),
&var_info);
if (!error) {
attributes->vsync_period = var_info.vsync_period_ns;
attributes->x_res = var_info.x_pixels;
attributes->y_res = var_info.y_pixels;
attributes->x_dpi = var_info.x_dpi;
attributes->y_dpi = var_info.y_dpi;
attributes->panel_type = DisplayConfig::DisplayPortType::kDefault;
attributes->is_yuv = var_info.is_yuv;
}
}
}
return error;
}
int HWCSession::DisplayConfigImpl::SetPanelBrightness(uint32_t level) {
if (!(0 <= level && level <= 255)) {
return -EINVAL;
}
if (level == 0) {
return INT32(hwc_session_->SetDisplayBrightness(HWC_DISPLAY_PRIMARY, -1.0f));
} else {
return INT32(hwc_session_->SetDisplayBrightness(HWC_DISPLAY_PRIMARY, (level - 1)/254.0f));
}
}
int HWCSession::DisplayConfigImpl::GetPanelBrightness(uint32_t *level) {
float brightness = -1.0f;
int error = -EINVAL;
error = hwc_session_->getDisplayBrightness(HWC_DISPLAY_PRIMARY, &brightness);
if (brightness == -1.0f) {
*level = 0;
} else {
*level = static_cast<uint32_t>(254.0f*brightness + 1);
}
return error;
}
int HWCSession::MinHdcpEncryptionLevelChanged(int disp_id, uint32_t min_enc_level) {
DLOGI("Display %d", disp_id);
// SSG team hardcoded disp_id as external because it applies to external only but SSG team sends
// this level irrespective of external connected or not. So to honor the call, make disp_id to
// primary & set level.
disp_id = HWC_DISPLAY_PRIMARY;
int disp_idx = GetDisplayIndex(disp_id);
if (disp_idx == -1) {
DLOGE("Invalid display = %d", disp_id);
return -EINVAL;
}
SEQUENCE_WAIT_SCOPE_LOCK(locker_[disp_idx]);
HWCDisplay *hwc_display = hwc_display_[disp_idx];
if (!hwc_display) {
DLOGE("Display = %d is not connected.", disp_idx);
return -EINVAL;
}
return hwc_display->OnMinHdcpEncryptionLevelChange(min_enc_level);
}
int HWCSession::DisplayConfigImpl::MinHdcpEncryptionLevelChanged(DispType dpy,
uint32_t min_enc_level) {
return hwc_session_->MinHdcpEncryptionLevelChanged(MapDisplayType(dpy), min_enc_level);
}
int HWCSession::DisplayConfigImpl::RefreshScreen() {
SEQUENCE_WAIT_SCOPE_LOCK(hwc_session_->locker_[HWC_DISPLAY_PRIMARY]);
hwc_session_->callbacks_.Refresh(HWC_DISPLAY_PRIMARY);
return 0;
}
int HWCSession::ControlPartialUpdate(int disp_id, bool enable) {
int disp_idx = GetDisplayIndex(disp_id);
if (disp_idx == -1) {
DLOGE("Invalid display = %d", disp_id);
return -EINVAL;
}
if (disp_idx != HWC_DISPLAY_PRIMARY) {
DLOGW("CONTROL_PARTIAL_UPDATE is not applicable for display = %d", disp_idx);
return -EINVAL;
}
SEQUENCE_WAIT_SCOPE_LOCK(locker_[disp_idx]);
HWCDisplay *hwc_display = hwc_display_[HWC_DISPLAY_PRIMARY];
if (!hwc_display) {
DLOGE("primary display object is not instantiated");
return -EINVAL;
}
uint32_t pending = 0;
DisplayError hwc_error = hwc_display->ControlPartialUpdate(enable, &pending);
if (hwc_error == kErrorNone) {
if (!pending) {
return 0;
}
} else if (hwc_error == kErrorNotSupported) {
return 0;
} else {
return -EINVAL;
}
// Todo(user): Unlock it before sending events to client. It may cause deadlocks in future.
callbacks_.Refresh(HWC_DISPLAY_PRIMARY);
// Wait until partial update control is complete
int error = locker_[disp_idx].WaitFinite(kCommitDoneTimeoutMs);
return error;
}
int HWCSession::DisplayConfigImpl::ControlPartialUpdate(DispType dpy, bool enable) {
return hwc_session_->ControlPartialUpdate(MapDisplayType(dpy), enable);
}
int HWCSession::ToggleScreenUpdate(bool on) {
SEQUENCE_WAIT_SCOPE_LOCK(locker_[HWC_DISPLAY_PRIMARY]);
int error = -EINVAL;
if (hwc_display_[HWC_DISPLAY_PRIMARY]) {
error = hwc_display_[HWC_DISPLAY_PRIMARY]->ToggleScreenUpdates(on);
if (error) {
DLOGE("Failed to toggle screen updates = %d. Error = %d", on, error);
}
}
return error;
}
int HWCSession::DisplayConfigImpl::ToggleScreenUpdate(bool on) {
return hwc_session_->ToggleScreenUpdate(on);
}
int HWCSession::SetIdleTimeout(uint32_t value) {
SEQUENCE_WAIT_SCOPE_LOCK(locker_[HWC_DISPLAY_PRIMARY]);
if (hwc_display_[HWC_DISPLAY_PRIMARY]) {
hwc_display_[HWC_DISPLAY_PRIMARY]->SetIdleTimeoutMs(value);
return 0;
}
DLOGW("Display = %d is not connected.", HWC_DISPLAY_PRIMARY);
return -ENODEV;
}
int HWCSession::DisplayConfigImpl::SetIdleTimeout(uint32_t value) {
return hwc_session_->SetIdleTimeout(value);
}
int HWCSession::DisplayConfigImpl::GetHDRCapabilities(DispType dpy,
DisplayConfig::HDRCapsParams *caps) {
int error = -EINVAL;
do {
int disp_id = MapDisplayType(dpy);
int disp_idx = hwc_session_->GetDisplayIndex(disp_id);
if (disp_idx == -1) {
DLOGE("Invalid display = %d", disp_id);
break;
}
SCOPE_LOCK(hwc_session_->locker_[disp_id]);
HWCDisplay *hwc_display = hwc_session_->hwc_display_[disp_idx];
if (!hwc_display) {
DLOGW("Display = %d is not connected.", disp_idx);
error = -ENODEV;
break;
}
// query number of hdr types
uint32_t out_num_types = 0;
float out_max_luminance = 0.0f;
float out_max_average_luminance = 0.0f;
float out_min_luminance = 0.0f;
if (hwc_display->GetHdrCapabilities(&out_num_types, nullptr, &out_max_luminance,
&out_max_average_luminance, &out_min_luminance)
!= HWC2::Error::None) {
break;
}
if (!out_num_types) {
error = 0;
break;
}
// query hdr caps
caps->supported_hdr_types.resize(out_num_types);
if (hwc_display->GetHdrCapabilities(&out_num_types, caps->supported_hdr_types.data(),
&out_max_luminance, &out_max_average_luminance,
&out_min_luminance) == HWC2::Error::None) {
error = 0;
}
} while (false);
return error;
}
int HWCSession::SetCameraLaunchStatus(uint32_t on) {
if (null_display_mode_) {
return 0;
}
if (!core_intf_) {
DLOGW("core_intf_ not initialized.");
return -ENOENT;
}
HWBwModes mode = on > 0 ? kBwVFEOn : kBwVFEOff;
if (core_intf_->SetMaxBandwidthMode(mode) != kErrorNone) {
return -EINVAL;
}
// trigger invalidate to apply new bw caps.
callbacks_.Refresh(0);
return 0;
}
int HWCSession::DisplayConfigImpl::SetCameraLaunchStatus(uint32_t on) {
return hwc_session_->SetCameraLaunchStatus(on);
}
#ifdef DISPLAY_CONFIG_CAMERA_SMOOTH_APIs_1_0
int HWCSession::DisplayConfigImpl::SetCameraSmoothInfo(CameraSmoothOp op, uint32_t fps) {
std::shared_ptr<DisplayConfig::ConfigCallback> callback = hwc_session_->camera_callback_.lock();
if (!callback) {
return -EAGAIN;
}
callback->NotifyCameraSmoothInfo(op, fps);
return 0;
}
int HWCSession::DisplayConfigImpl::ControlCameraSmoothCallback(bool enable) {
if (enable) {
hwc_session_->camera_callback_ = callback_;
} else {
hwc_session_->camera_callback_.reset();
}
return 0;
}
#endif
int HWCSession::DisplayBWTransactionPending(bool *status) {
SEQUENCE_WAIT_SCOPE_LOCK(locker_[HWC_DISPLAY_PRIMARY]);
if (hwc_display_[HWC_DISPLAY_PRIMARY]) {
if (sync_wait(bw_mode_release_fd_, 0) < 0) {
DLOGI("bw_transaction_release_fd is not yet signaled: err= %s", strerror(errno));
*status = false;
}
return 0;
}
DLOGW("Display = %d is not connected.", HWC_DISPLAY_PRIMARY);
return -ENODEV;
}
int HWCSession::DisplayConfigImpl::DisplayBWTransactionPending(bool *status) {
return hwc_session_->DisplayBWTransactionPending(status);
}
int HWCSession::ControlIdlePowerCollapse(bool enable, bool synchronous) {
hwc2_display_t active_builtin_disp_id = GetActiveBuiltinDisplay();
if (active_builtin_disp_id >= HWCCallbacks::kNumDisplays) {
DLOGE("No active displays");
return -EINVAL;
}
SEQUENCE_WAIT_SCOPE_LOCK(locker_[active_builtin_disp_id]);
if (hwc_display_[active_builtin_disp_id]) {
if (!enable) {
if (!idle_pc_ref_cnt_) {
auto err = hwc_display_[active_builtin_disp_id]->ControlIdlePowerCollapse(enable,
synchronous);
if (err != kErrorNone) {
return (err == kErrorNotSupported) ? 0 : -EINVAL;
}
callbacks_.Refresh(active_builtin_disp_id);
int error = locker_[active_builtin_disp_id].WaitFinite(kCommitDoneTimeoutMs);
if (error == ETIMEDOUT) {
DLOGE("Timed out!! Next frame commit done event not received!!");
return error;
}
DLOGI("Idle PC disabled!!");
}
idle_pc_ref_cnt_++;
} else if (idle_pc_ref_cnt_ > 0) {
if (!(idle_pc_ref_cnt_ - 1)) {
auto err = hwc_display_[active_builtin_disp_id]->ControlIdlePowerCollapse(enable,
synchronous);
if (err != kErrorNone) {
return (err == kErrorNotSupported) ? 0 : -EINVAL;
}
DLOGI("Idle PC enabled!!");
}
idle_pc_ref_cnt_--;
}
return 0;
}
DLOGW("Display = %d is not connected.", UINT32(active_builtin_disp_id));
return -ENODEV;
}
int HWCSession::DisplayConfigImpl::ControlIdlePowerCollapse(bool enable, bool synchronous) {
return hwc_session_->ControlIdlePowerCollapse(enable, synchronous);
}
int HWCSession::IsWbUbwcSupported(bool *value) {
HWDisplaysInfo hw_displays_info = {};
DisplayError error = core_intf_->GetDisplaysStatus(&hw_displays_info);
if (error != kErrorNone) {
return -EINVAL;
}
for (auto &iter : hw_displays_info) {
auto &info = iter.second;
if (info.display_type == kVirtual && info.is_wb_ubwc_supported) {
*value = 1;
}
}
return error;
}
int32_t HWCSession::getDisplayBrightness(uint32_t display, float *brightness) {
if (!brightness) {
return HWC2_ERROR_BAD_PARAMETER;
}
if (display >= HWCCallbacks::kNumDisplays) {
return HWC2_ERROR_BAD_DISPLAY;
}
SEQUENCE_WAIT_SCOPE_LOCK(locker_[display]);
int32_t error = -EINVAL;
*brightness = -1.0f;
HWCDisplay *hwc_display = hwc_display_[display];
if (hwc_display && hwc_display_[display]->GetDisplayClass() == DISPLAY_CLASS_BUILTIN) {
error = INT32(hwc_display_[display]->GetPanelBrightness(brightness));
if (error) {
DLOGE("Failed to get the panel brightness. Error = %d", error);
}
}
return error;
}
int32_t HWCSession::getDisplayMaxBrightness(uint32_t display, uint32_t *max_brightness_level) {
if (!max_brightness_level) {
return HWC2_ERROR_BAD_PARAMETER;
}
if (display >= HWCCallbacks::kNumDisplays) {
return HWC2_ERROR_BAD_DISPLAY;
}
int32_t error = -EINVAL;
HWCDisplay *hwc_display = hwc_display_[display];
if (hwc_display && hwc_display_[display]->GetDisplayClass() == DISPLAY_CLASS_BUILTIN) {
error = INT32(hwc_display_[display]->GetPanelMaxBrightness(max_brightness_level));
if (error) {
DLOGE("Failed to get the panel max brightness, display %u error %d", display, error);
}
}
return error;
}
int HWCSession::DisplayConfigImpl::SetDisplayAnimating(uint64_t display_id, bool animating) {
return hwc_session_->CallDisplayFunction(display_id, &HWCDisplay::SetDisplayAnimating, animating);
}
int HWCSession::DisplayConfigImpl::GetWriteBackCapabilities(bool *isWbUbwcSupported) {
return hwc_session_->IsWbUbwcSupported(isWbUbwcSupported);
}
int HWCSession::SetDisplayDppsAdROI(uint32_t display_id, uint32_t h_start,
uint32_t h_end, uint32_t v_start, uint32_t v_end,
uint32_t factor_in, uint32_t factor_out) {
return CallDisplayFunction(display_id,
&HWCDisplay::SetDisplayDppsAdROI, h_start, h_end, v_start, v_end,
factor_in, factor_out);
}
int HWCSession::DisplayConfigImpl::SetDisplayDppsAdROI(uint32_t display_id, uint32_t h_start,
uint32_t h_end, uint32_t v_start,
uint32_t v_end, uint32_t factor_in,
uint32_t factor_out) {
return hwc_session_->SetDisplayDppsAdROI(display_id, h_start, h_end, v_start, v_end,
factor_in, factor_out);
}
int HWCSession::DisplayConfigImpl::UpdateVSyncSourceOnPowerModeOff() {
hwc_session_->update_vsync_on_power_off_ = true;
return 0;
}
int HWCSession::DisplayConfigImpl::UpdateVSyncSourceOnPowerModeDoze() {
hwc_session_->update_vsync_on_doze_ = true;
return 0;
}
int HWCSession::DisplayConfigImpl::IsPowerModeOverrideSupported(uint32_t disp_id,
bool *supported) {
if (!hwc_session_->async_powermode_ || (disp_id > HWCCallbacks::kNumRealDisplays)) {
*supported = false;
} else {
*supported = true;
}
return 0;
}
int HWCSession::DisplayConfigImpl::SetPowerMode(uint32_t disp_id,
DisplayConfig::PowerMode power_mode) {
SCOPE_LOCK(hwc_session_->display_config_locker_);
bool supported = false;
IsPowerModeOverrideSupported(disp_id, &supported);
if (!supported) {
return 0;
}
// Added this flag for pixel
hwc_session_->async_power_mode_triggered_ = true;
// Active builtin display needs revalidation
hwc2_display_t active_builtin_disp_id = hwc_session_->GetActiveBuiltinDisplay();
HWC2::PowerMode previous_mode = hwc_session_->hwc_display_[disp_id]->GetCurrentPowerMode();
DLOGI("disp_id: %d power_mode: %d", disp_id, power_mode);
auto mode = static_cast<HWC2::PowerMode>(power_mode);
HWCDisplay::HWCLayerStack stack = {};
hwc2_display_t dummy_disp_id = hwc_session_->map_hwc_display_.at(disp_id);
// Power state transition start.
// Acquire the display's power-state transition var read lock.
hwc_session_->power_state_[disp_id].Lock();
hwc_session_->power_state_transition_[disp_id] = true;
hwc_session_->locker_[disp_id].Lock(); // Lock the real display.
hwc_session_->locker_[dummy_disp_id].Lock(); // Lock the corresponding dummy display.
// Place the real display's layer-stack on the dummy display.
hwc_session_->hwc_display_[disp_id]->GetLayerStack(&stack);
hwc_session_->hwc_display_[dummy_disp_id]->SetLayerStack(&stack);
hwc_session_->hwc_display_[dummy_disp_id]->UpdatePowerMode(
hwc_session_->hwc_display_[disp_id]->GetCurrentPowerMode());
buffer_handle_t target = 0;
shared_ptr<Fence> acquire_fence = nullptr;
int32_t dataspace = 0;
hwc_region_t damage = {};
VsyncPeriodNanos vsync_period = 16600000;
hwc_session_->hwc_display_[disp_id]->GetClientTarget(
target, acquire_fence, dataspace, damage);
hwc_session_->hwc_display_[dummy_disp_id]->SetClientTarget(
target, acquire_fence, dataspace, damage);
hwc_session_->hwc_display_[disp_id]->GetDisplayVsyncPeriod(&vsync_period);
hwc_session_->hwc_display_[dummy_disp_id]->SetDisplayVsyncPeriod(vsync_period);
hwc_session_->locker_[dummy_disp_id].Unlock(); // Release the dummy display.
// Release the display's power-state transition var read lock.
hwc_session_->power_state_[disp_id].Unlock();
// From now, till power-state transition ends, for operations that need to be non-blocking, do
// those operations on the dummy display.
// Perform the actual [synchronous] power-state change.
hwc_session_->hwc_display_[disp_id]->SetPowerMode(mode, false /* teardown */);
// Power state transition end.
// Acquire the display's power-state transition var read lock.
hwc_session_->power_state_[disp_id].Lock();
hwc_session_->power_state_transition_[disp_id] = false;
hwc_session_->locker_[dummy_disp_id].Lock(); // Lock the dummy display.
// Retrieve the real display's layer-stack from the dummy display.
hwc_session_->hwc_display_[dummy_disp_id]->GetLayerStack(&stack);
hwc_session_->hwc_display_[disp_id]->SetLayerStack(&stack);
bool vsync_pending = hwc_session_->hwc_display_[dummy_disp_id]->VsyncEnablePending();
if (vsync_pending) {
hwc_session_->hwc_display_[disp_id]->SetVsyncEnabled(HWC2::Vsync::Enable);
}
hwc_session_->hwc_display_[dummy_disp_id]->GetClientTarget(
target, acquire_fence, dataspace, damage);
hwc_session_->hwc_display_[disp_id]->SetClientTarget(
target, acquire_fence, dataspace, damage);
// Read display has got layerstack. Update the fences.
hwc_session_->hwc_display_[disp_id]->PostPowerMode();
hwc_session_->locker_[dummy_disp_id].Unlock(); // Release the dummy display.
hwc_session_->locker_[disp_id].Unlock(); // Release the real display.
// Release the display's power-state transition var read lock.
hwc_session_->power_state_[disp_id].Unlock();
HWC2::PowerMode new_mode = hwc_session_->hwc_display_[disp_id]->GetCurrentPowerMode();
if (active_builtin_disp_id < HWCCallbacks::kNumRealDisplays &&
hwc_session_->hwc_display_[disp_id]->IsFirstCommitDone() &&
WaitForResourceNeeded(previous_mode, new_mode)) {
hwc_session_->WaitForResources(true, active_builtin_disp_id, disp_id);
}
return 0;
}
int HWCSession::DisplayConfigImpl::IsHDRSupported(uint32_t disp_id, bool *supported) {
if (disp_id < 0 || disp_id >= HWCCallbacks::kNumDisplays) {
DLOGE("Not valid display");
return -EINVAL;
}
SCOPE_LOCK(hwc_session_->hdr_locker_[disp_id]);
if (hwc_session_->is_hdr_display_.size() <= disp_id) {
DLOGW("is_hdr_display_ is not initialized for display %d!! Reporting it as HDR not supported",
disp_id);
*supported = false;
return 0;
}
*supported = static_cast<bool>(hwc_session_->is_hdr_display_[disp_id]);
return 0;
}
int HWCSession::DisplayConfigImpl::IsWCGSupported(uint32_t disp_id, bool *supported) {
// todo(user): Query wcg from sdm. For now assume them same.
return IsHDRSupported(disp_id, supported);
}
int HWCSession::DisplayConfigImpl::SetLayerAsMask(uint32_t disp_id, uint64_t layer_id) {
SCOPE_LOCK(hwc_session_->locker_[disp_id]);
HWCDisplay *hwc_display = hwc_session_->hwc_display_[disp_id];
if (!hwc_display) {
DLOGW("Display = %d is not connected.", disp_id);
return -EINVAL;
}
if (hwc_session_->disable_mask_layer_hint_) {
DLOGW("Mask layer hint is disabled!");
return -EINVAL;
}
auto hwc_layer = hwc_display->GetHWCLayer(layer_id);
if (hwc_layer == nullptr) {
return -EINVAL;
}
hwc_layer->SetLayerAsMask();
return 0;
}
int HWCSession::DisplayConfigImpl::GetDebugProperty(const std::string prop_name,
std::string *value) {
std::string vendor_prop_name = DISP_PROP_PREFIX;
int error = -EINVAL;
char val[64] = {};
vendor_prop_name += prop_name.c_str();
if (HWCDebugHandler::Get()->GetProperty(vendor_prop_name.c_str(), val) == kErrorNone) {
*value = val;
error = 0;
}
return error;
}
int HWCSession::DisplayConfigImpl::GetActiveBuiltinDisplayAttributes(
DisplayConfig::Attributes *attr) {
int error = -EINVAL;
hwc2_display_t disp_id = hwc_session_->GetActiveBuiltinDisplay();
if (disp_id >= HWCCallbacks::kNumDisplays) {
DLOGE("Invalid display = %d", UINT32(disp_id));
} else {
if (hwc_session_->hwc_display_[disp_id]) {
uint32_t config_index = 0;
HWC2::Error ret = hwc_session_->hwc_display_[disp_id]->GetActiveConfig(&config_index);
if (ret != HWC2::Error::None) {
goto err;
}
DisplayConfigVariableInfo var_info;
error = hwc_session_->hwc_display_[disp_id]->GetDisplayAttributesForConfig(INT(config_index),
&var_info);
if (!error) {
attr->vsync_period = var_info.vsync_period_ns;
attr->x_res = var_info.x_pixels;
attr->y_res = var_info.y_pixels;
attr->x_dpi = var_info.x_dpi;
attr->y_dpi = var_info.y_dpi;
attr->panel_type = DisplayConfig::DisplayPortType::kDefault;
attr->is_yuv = var_info.is_yuv;
}
}
}
err:
return error;
}
int HWCSession::DisplayConfigImpl::SetPanelLuminanceAttributes(uint32_t disp_id, float pan_min_lum,
float pan_max_lum) {
// currently doing only for virtual display
if (disp_id != qdutils::DISPLAY_VIRTUAL) {
return -EINVAL;
}
// check for out of range luminance values
if (pan_min_lum <= 0.0f || pan_min_lum >= 1.0f ||
pan_max_lum <= 100.0f || pan_max_lum >= 1000.0f) {
return -EINVAL;
}
std::lock_guard<std::mutex> obj(hwc_session_->mutex_lum_);
hwc_session_->set_min_lum_ = pan_min_lum;
hwc_session_->set_max_lum_ = pan_max_lum;
DLOGI("set max_lum %f, min_lum %f", pan_max_lum, pan_min_lum);
return 0;
}
int HWCSession::DisplayConfigImpl::IsBuiltInDisplay(uint32_t disp_id, bool *is_builtin) {
if ((hwc_session_->map_info_primary_.client_id == disp_id) &&
(hwc_session_->map_info_primary_.disp_type == kBuiltIn)) {
*is_builtin = true;
return 0;
}
for (auto &info : hwc_session_->map_info_builtin_) {
if (disp_id == info.client_id) {
*is_builtin = true;
return 0;
}
}
*is_builtin = false;
return 0;
}
int HWCSession::DisplayConfigImpl::GetSupportedDSIBitClks(uint32_t disp_id,
std::vector<uint64_t> *bit_clks) {
SCOPE_LOCK(hwc_session_->locker_[disp_id]);
if (!hwc_session_->hwc_display_[disp_id]) {
return -EINVAL;
}
hwc_session_->hwc_display_[disp_id]->GetSupportedDSIClock(bit_clks);
return 0;
}
int HWCSession::DisplayConfigImpl::GetDSIClk(uint32_t disp_id, uint64_t *bit_clk) {
SCOPE_LOCK(hwc_session_->locker_[disp_id]);
if (!hwc_session_->hwc_display_[disp_id]) {
return -EINVAL;
}
hwc_session_->hwc_display_[disp_id]->GetDynamicDSIClock(bit_clk);
return 0;
}
int HWCSession::DisplayConfigImpl::SetDSIClk(uint32_t disp_id, uint64_t bit_clk) {
SCOPE_LOCK(hwc_session_->locker_[disp_id]);
if (!hwc_session_->hwc_display_[disp_id]) {
return -1;
}
return hwc_session_->hwc_display_[disp_id]->SetDynamicDSIClock(bit_clk);
}
int HWCSession::DisplayConfigImpl::SetCWBOutputBuffer(uint32_t disp_id,
const DisplayConfig::Rect rect,
bool post_processed,
const native_handle_t *buffer) {
if (!callback_.lock() || !buffer) {
DLOGE("Invalid parameters");
return -1;
}
if (disp_id != UINT32(DisplayConfig::DisplayType::kPrimary)) {
DLOGE("Only supported for primary display at present.");
return -1;
}
if (rect.left || rect.top || rect.right || rect.bottom) {
DLOGE("Cropping rectangle is not supported.");
return -1;
}
// Output buffer dump is not supported, if External or Virtual display is present.
int external_dpy_index = hwc_session_->GetDisplayIndex(qdutils::DISPLAY_EXTERNAL);
int virtual_dpy_index = hwc_session_->GetDisplayIndex(qdutils::DISPLAY_VIRTUAL);
int primary_dpy_index = hwc_session_->GetDisplayIndex(qdutils::DISPLAY_PRIMARY);
if (((external_dpy_index != -1) && hwc_session_->hwc_display_[external_dpy_index]) ||
((virtual_dpy_index != -1) && hwc_session_->hwc_display_[virtual_dpy_index])) {
DLOGW("Output buffer dump is not supported with External or Virtual display!");
return -1;
}
// Mutex scope
{
SCOPE_LOCK(hwc_session_->locker_[HWC_DISPLAY_PRIMARY]);
if (!hwc_session_->hwc_display_[primary_dpy_index]) {
DLOGE("Display is not created yet.");
return -1;
}
}
return hwc_session_->cwb_.PostBuffer(callback_, post_processed,
native_handle_clone(buffer));
}
int32_t HWCSession::CWB::PostBuffer(std::weak_ptr<DisplayConfig::ConfigCallback> callback,
bool post_processed, const native_handle_t *buffer) {
SCOPE_LOCK(queue_lock_);
// Ensure that async task runs only until all queued CWB requests have been fulfilled.
// If cwb queue is empty, async task has not either started or async task has finished
// processing previously queued cwb requests. Start new async task on such a case as
// currently running async task will automatically desolve without processing more requests.
bool post_future = !queue_.size();
QueueNode *node = new QueueNode(callback, post_processed, buffer);
queue_.push(node);
if (post_future) {
// No need to do future.get() here for previously running async task. Async method will
// guarantee to exit after cwb for all queued requests is indeed complete i.e. the respective
// fences have signaled and client is notified through registered callbacks. This will make
// sure that the new async task does not concurrently work with previous task. Let async running
// thread dissolve on its own.
future_ = std::async(HWCSession::CWB::AsyncTask, this);
}
return 0;
}
void HWCSession::CWB::ProcessRequests() {
HWCDisplay *hwc_display = hwc_session_->hwc_display_[HWC_DISPLAY_PRIMARY];
Locker &locker = hwc_session_->locker_[HWC_DISPLAY_PRIMARY];
while (true) {
QueueNode *node = nullptr;
int status = 0;
// Mutex scope
// Just check if there is a next cwb request queued, exit the thread if nothing is pending.
// Do not keep mutex locked so that client can freely queue more jobs to the current thread.
{
SCOPE_LOCK(queue_lock_);
if (!queue_.size()) {
break;
}
node = queue_.front();
}
// Configure cwb parameters, trigger refresh, wait for commit, get the release fence and
// wait for fence to signal.
// Mutex scope
// Wait for previous commit to finish before configuring next buffer.
{
SEQUENCE_WAIT_SCOPE_LOCK(locker);
if (hwc_display->SetReadbackBuffer(node->buffer, nullptr, node->post_processed,
kCWBClientExternal) != HWC2::Error::None) {
DLOGE("CWB buffer could not be set.");
status = -1;
}
}
if (!status) {
hwc_session_->callbacks_.Refresh(HWC_DISPLAY_PRIMARY);
std::unique_lock<std::mutex> lock(mutex_);
cv_.wait(lock);
shared_ptr<Fence> release_fence = nullptr;
// Mutex scope
{
SCOPE_LOCK(locker);
hwc_display->GetReadbackBufferFence(&release_fence);
}
if (release_fence >= 0) {
status = Fence::Wait(release_fence);
} else {
DLOGE("CWB release fence could not be retrieved.");
status = -1;
}
}
// Notify client about buffer status and erase the node from pending request queue.
std::shared_ptr<DisplayConfig::ConfigCallback> callback = node->callback.lock();
if (callback) {
callback->NotifyCWBBufferDone(status, node->buffer);
}
native_handle_close(node->buffer);
native_handle_delete(const_cast<native_handle_t *>(node->buffer));
delete node;
// Mutex scope
// Make sure to exit here, if queue becomes empty after erasing current node from queue,
// so that the current async task does not operate concurrently with a new future task.
{
SCOPE_LOCK(queue_lock_);
queue_.pop();
if (!queue_.size()) {
break;
}
}
}
}
void HWCSession::CWB::AsyncTask(CWB *cwb) {
cwb->ProcessRequests();
}
void HWCSession::CWB::PresentDisplayDone(hwc2_display_t disp_id) {
if (disp_id != HWC_DISPLAY_PRIMARY) {
return;
}
std::unique_lock<std::mutex> lock(mutex_);
cv_.notify_one();
}
int HWCSession::DisplayConfigImpl::SetQsyncMode(uint32_t disp_id, DisplayConfig::QsyncMode mode) {
SEQUENCE_WAIT_SCOPE_LOCK(hwc_session_->locker_[disp_id]);
if (!hwc_session_->hwc_display_[disp_id]) {
return -1;
}
QSyncMode qsync_mode = kQSyncModeNone;
switch (mode) {
case DisplayConfig::QsyncMode::kNone:
qsync_mode = kQSyncModeNone;
break;
case DisplayConfig::QsyncMode::kWaitForFencesOneFrame:
qsync_mode = kQsyncModeOneShot;
break;
case DisplayConfig::QsyncMode::kWaitForFencesEachFrame:
qsync_mode = kQsyncModeOneShotContinuous;
break;
case DisplayConfig::QsyncMode::kWaitForCommitEachFrame:
qsync_mode = kQSyncModeContinuous;
break;
}
hwc_session_->hwc_display_[disp_id]->SetQSyncMode(qsync_mode);
return 0;
}
int HWCSession::DisplayConfigImpl::IsSmartPanelConfig(uint32_t disp_id, uint32_t config_id,
bool *is_smart) {
SCOPE_LOCK(hwc_session_->locker_[disp_id]);
if (!hwc_session_->hwc_display_[disp_id]) {
DLOGE("Display %d is not created yet.", disp_id);
*is_smart = false;
return -EINVAL;
}
if (hwc_session_->hwc_display_[disp_id]->GetDisplayClass() != DISPLAY_CLASS_BUILTIN) {
return false;
}
*is_smart = hwc_session_->hwc_display_[disp_id]->IsSmartPanelConfig(config_id);
return 0;
}
int HWCSession::DisplayConfigImpl::IsAsyncVDSCreationSupported(bool *supported) {
if (!hwc_session_->async_vds_creation_) {
*supported = false;
return 0;
}
*supported = true;
return 0;
}
int HWCSession::DisplayConfigImpl::CreateVirtualDisplay(uint32_t width, uint32_t height,
int32_t format) {
if (!hwc_session_->async_vds_creation_) {
return HWC2_ERROR_UNSUPPORTED;
}
if (!width || !height) {
return HWC2_ERROR_BAD_PARAMETER;
}
hwc2_display_t active_builtin_disp_id = hwc_session_->GetActiveBuiltinDisplay();
auto status = hwc_session_->CreateVirtualDisplayObj(width, height, &format,
&hwc_session_->virtual_id_);
if (status == HWC2::Error::None) {
DLOGI("Created virtual display id:%" PRIu64 ", res: %dx%d",
hwc_session_->virtual_id_, width, height);
if (active_builtin_disp_id < HWCCallbacks::kNumRealDisplays) {
hwc_session_->WaitForResources(true, active_builtin_disp_id, hwc_session_->virtual_id_);
}
} else {
DLOGE("Failed to create virtual display: %s", to_string(status).c_str());
}
return INT(status);
}
int HWCSession::DisplayConfigImpl::IsRotatorSupportedFormat(int hal_format, bool ubwc,
bool *supported) {
if (!hwc_session_->core_intf_) {
DLOGW("core_intf_ not initialized.");
*supported = false;
return -EINVAL;
}
int flag = ubwc ? private_handle_t::PRIV_FLAGS_UBWC_ALIGNED : 0;
LayerBufferFormat sdm_format = HWCLayer::GetSDMFormat(hal_format, flag);
*supported = hwc_session_->core_intf_->IsRotatorSupportedFormat(sdm_format);
return 0;
}
int HWCSession::DisplayConfigImpl::ControlQsyncCallback(bool enable) {
if (enable) {
hwc_session_->qsync_callback_ = callback_;
} else {
hwc_session_->qsync_callback_.reset();
}
return 0;
}
int HWCSession::DisplayConfigImpl::ControlIdleStatusCallback(bool enable) {
if (enable) {
hwc_session_->idle_callback_ = callback_;
} else {
hwc_session_->idle_callback_.reset();
}
return 0;
}
} // namespace sdm