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PL286/hardware/qcom/display/msm8996/sdm/libs/hwc/hwc_session.cpp

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/*
* Copyright (c) 2014 - 2016, 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/dump_interface.h>
#include <core/buffer_allocator.h>
#include <private/color_params.h>
#include <utils/constants.h>
#include <utils/String16.h>
#include <cutils/properties.h>
#include <hardware_legacy/uevent.h>
#include <sys/resource.h>
#include <sys/prctl.h>
#include <binder/Parcel.h>
#include <QService.h>
#include <gr.h>
#include <gralloc_priv.h>
#include <display_config.h>
#include <utils/debug.h>
#include <sync/sync.h>
#include <profiler.h>
#include <bitset>
#include "hwc_buffer_allocator.h"
#include "hwc_buffer_sync_handler.h"
#include "hwc_session.h"
#include "hwc_debugger.h"
#include "hwc_display_null.h"
#include "hwc_display_primary.h"
#include "hwc_display_virtual.h"
#define __CLASS__ "HWCSession"
#define HWC_UEVENT_SWITCH_HDMI "change@/devices/virtual/switch/hdmi"
#define HWC_UEVENT_GRAPHICS_FB0 "change@/devices/virtual/graphics/fb0"
static sdm::HWCSession::HWCModuleMethods g_hwc_module_methods;
hwc_module_t HAL_MODULE_INFO_SYM = {
.common = {
.tag = HARDWARE_MODULE_TAG,
.version_major = 2,
.version_minor = 0,
.id = HWC_HARDWARE_MODULE_ID,
.name = "QTI Hardware Composer Module",
.author = "CodeAurora Forum",
.methods = &g_hwc_module_methods,
.dso = 0,
.reserved = {0},
}
};
namespace sdm {
Locker HWCSession::locker_;
static void Invalidate(const struct hwc_procs *procs) {
}
static void VSync(const struct hwc_procs* procs, int disp, int64_t timestamp) {
}
static void Hotplug(const struct hwc_procs* procs, int disp, int connected) {
}
HWCSession::HWCSession(const hw_module_t *module) {
// By default, drop any events. Calls will be routed to SurfaceFlinger after registerProcs.
hwc_procs_default_.invalidate = Invalidate;
hwc_procs_default_.vsync = VSync;
hwc_procs_default_.hotplug = Hotplug;
hwc_composer_device_1_t::common.tag = HARDWARE_DEVICE_TAG;
hwc_composer_device_1_t::common.version = HWC_DEVICE_API_VERSION_1_5;
hwc_composer_device_1_t::common.module = const_cast<hw_module_t*>(module);
hwc_composer_device_1_t::common.close = Close;
hwc_composer_device_1_t::prepare = Prepare;
hwc_composer_device_1_t::set = Set;
hwc_composer_device_1_t::eventControl = EventControl;
hwc_composer_device_1_t::setPowerMode = SetPowerMode;
hwc_composer_device_1_t::query = Query;
hwc_composer_device_1_t::registerProcs = RegisterProcs;
hwc_composer_device_1_t::dump = Dump;
hwc_composer_device_1_t::getDisplayConfigs = GetDisplayConfigs;
hwc_composer_device_1_t::getDisplayAttributes = GetDisplayAttributes;
hwc_composer_device_1_t::getActiveConfig = GetActiveConfig;
hwc_composer_device_1_t::setActiveConfig = SetActiveConfig;
hwc_composer_device_1_t::setCursorPositionAsync = SetCursorPositionAsync;
}
int HWCSession::Init() {
int status = -EINVAL;
const char *qservice_name = "display.qservice";
// Start QService and connect to it.
qService::QService::init();
android::sp<qService::IQService> iqservice = android::interface_cast<qService::IQService>(
android::defaultServiceManager()->getService(android::String16(qservice_name)));
if (iqservice.get()) {
iqservice->connect(android::sp<qClient::IQClient>(this));
qservice_ = reinterpret_cast<qService::QService* >(iqservice.get());
} else {
DLOGE("Failed to acquire %s", qservice_name);
return -EINVAL;
}
DisplayError error = CoreInterface::CreateCore(HWCDebugHandler::Get(), &buffer_allocator_,
&buffer_sync_handler_, &core_intf_);
if (error != kErrorNone) {
DLOGE("Display core initialization failed. Error = %d", error);
return -EINVAL;
}
// Read which display is first, and create it and store it in primary slot
HWDisplayInterfaceInfo hw_disp_info;
error = core_intf_->GetFirstDisplayInterfaceType(&hw_disp_info);
if (error == kErrorNone) {
if (hw_disp_info.type == kHDMI) {
// HDMI is primary display. If already connected, then create it and store in
// primary display slot. If not connected, create a NULL display for now.
HWCDebugHandler::Get()->SetProperty("persist.sys.is_hdmi_primary", "1");
is_hdmi_primary_ = true;
if (hw_disp_info.is_connected) {
status = HWCDisplayExternal::Create(core_intf_, &hwc_procs_, qservice_,
&hwc_display_[HWC_DISPLAY_PRIMARY]);
is_hdmi_yuv_ = IsDisplayYUV(HWC_DISPLAY_PRIMARY);
} else {
// NullDisplay simply closes all its fences, and advertizes a standard
// resolution to SurfaceFlinger
status = HWCDisplayNull::Create(core_intf_, &hwc_procs_,
&hwc_display_[HWC_DISPLAY_PRIMARY]);
}
} else {
// Create and power on primary display
status = HWCDisplayPrimary::Create(core_intf_, &buffer_allocator_, &hwc_procs_, qservice_,
&hwc_display_[HWC_DISPLAY_PRIMARY]);
}
} else {
// Create and power on primary display
status = HWCDisplayPrimary::Create(core_intf_, &buffer_allocator_, &hwc_procs_, qservice_,
&hwc_display_[HWC_DISPLAY_PRIMARY]);
}
if (status) {
CoreInterface::DestroyCore();
return status;
}
color_mgr_ = HWCColorManager::CreateColorManager();
if (!color_mgr_) {
DLOGW("Failed to load HWCColorManager.");
}
if (pthread_create(&uevent_thread_, NULL, &HWCUeventThread, this) < 0) {
DLOGE("Failed to start = %s, error = %s", uevent_thread_name_, strerror(errno));
HWCDisplayPrimary::Destroy(hwc_display_[HWC_DISPLAY_PRIMARY]);
hwc_display_[HWC_DISPLAY_PRIMARY] = 0;
CoreInterface::DestroyCore();
return -errno;
}
return 0;
}
int HWCSession::Deinit() {
HWCDisplayPrimary::Destroy(hwc_display_[HWC_DISPLAY_PRIMARY]);
hwc_display_[HWC_DISPLAY_PRIMARY] = 0;
if (color_mgr_) {
color_mgr_->DestroyColorManager();
}
uevent_thread_exit_ = true;
pthread_join(uevent_thread_, NULL);
DisplayError error = CoreInterface::DestroyCore();
if (error != kErrorNone) {
DLOGE("Display core de-initialization failed. Error = %d", error);
}
return 0;
}
int HWCSession::Open(const hw_module_t *module, const char *name, hw_device_t **device) {
SEQUENCE_WAIT_SCOPE_LOCK(locker_);
if (!module || !name || !device) {
DLOGE("Invalid parameters.");
return -EINVAL;
}
if (!strcmp(name, HWC_HARDWARE_COMPOSER)) {
HWCSession *hwc_session = new HWCSession(module);
if (!hwc_session) {
return -ENOMEM;
}
int status = hwc_session->Init();
if (status != 0) {
delete hwc_session;
return status;
}
hwc_composer_device_1_t *composer_device = hwc_session;
*device = reinterpret_cast<hw_device_t *>(composer_device);
}
return 0;
}
int HWCSession::Close(hw_device_t *device) {
SEQUENCE_WAIT_SCOPE_LOCK(locker_);
if (!device) {
return -EINVAL;
}
hwc_composer_device_1_t *composer_device = reinterpret_cast<hwc_composer_device_1_t *>(device);
HWCSession *hwc_session = static_cast<HWCSession *>(composer_device);
hwc_session->Deinit();
delete hwc_session;
return 0;
}
int HWCSession::Prepare(hwc_composer_device_1 *device, size_t num_displays,
hwc_display_contents_1_t **displays) {
DTRACE_SCOPED();
if (!device || !displays || num_displays > HWC_NUM_DISPLAY_TYPES) {
return -EINVAL;
}
HWCSession *hwc_session = static_cast<HWCSession *>(device);
hwc_procs_t const *hwc_procs = NULL;
bool hotplug_connect = false;
// Hold mutex only in this scope.
{
SEQUENCE_ENTRY_SCOPE_LOCK(locker_);
hwc_procs = hwc_session->hwc_procs_;
if (hwc_session->reset_panel_) {
DLOGW("panel is in bad state, resetting the panel");
hwc_session->ResetPanel();
}
if (hwc_session->need_invalidate_) {
hwc_procs->invalidate(hwc_procs);
}
hwc_session->HandleSecureDisplaySession(displays);
if (hwc_session->color_mgr_) {
HWCDisplay *primary_display = hwc_session->hwc_display_[HWC_DISPLAY_PRIMARY];
if (primary_display) {
int ret = hwc_session->color_mgr_->SolidFillLayersPrepare(displays, primary_display);
if (ret)
return 0;
}
}
for (ssize_t dpy = static_cast<ssize_t>(num_displays - 1); dpy >= 0; dpy--) {
hwc_display_contents_1_t *content_list = displays[dpy];
// If external display is connected, ignore virtual display content list.
// If virtual display content list is valid, connect virtual display if not connected.
// If virtual display content list is invalid, disconnect virtual display if connected.
// If external display connection is pending, connect external display when virtual
// display is destroyed.
// If HDMI is primary and the output format is YUV then ignore the virtual display
// content list.
if (dpy == HWC_DISPLAY_VIRTUAL) {
if (hwc_session->hwc_display_[HWC_DISPLAY_EXTERNAL] ||
(hwc_session->is_hdmi_primary_ && hwc_session->is_hdmi_yuv_)) {
continue;
}
bool valid_content = HWCDisplayVirtual::IsValidContentList(content_list);
bool connected = (hwc_session->hwc_display_[HWC_DISPLAY_VIRTUAL] != NULL);
if (valid_content && !connected) {
hwc_session->ConnectDisplay(HWC_DISPLAY_VIRTUAL, content_list);
} else if (!valid_content && connected) {
hwc_session->DisconnectDisplay(HWC_DISPLAY_VIRTUAL);
if (hwc_session->external_pending_connect_) {
DLOGI("Process pending external display connection");
hwc_session->ConnectDisplay(HWC_DISPLAY_EXTERNAL, NULL);
hwc_session->external_pending_connect_ = false;
hotplug_connect = true;
}
}
}
if (hwc_session->hwc_display_[dpy]) {
if (!content_list) {
DLOGI("Display[%d] connected. content_list is null", dpy);
} else if (!content_list->numHwLayers) {
DLOGE("Display[%d] connected. numHwLayers is zero", dpy);
} else {
hwc_session->hwc_display_[dpy]->Prepare(content_list);
}
}
}
}
if (hotplug_connect) {
// notify client
hwc_procs->hotplug(hwc_procs, HWC_DISPLAY_EXTERNAL, true);
}
// Return 0, else client will go into bad state
return 0;
}
int HWCSession::GetVsyncPeriod(int disp) {
SCOPE_LOCK(locker_);
// default value
int32_t vsync_period = 1000000000l / 60;
const uint32_t attribute = HWC_DISPLAY_VSYNC_PERIOD;
if (hwc_display_[disp]) {
hwc_display_[disp]->GetDisplayAttributes(0, &attribute, &vsync_period);
}
return vsync_period;
}
int HWCSession::Set(hwc_composer_device_1 *device, size_t num_displays,
hwc_display_contents_1_t **displays) {
DTRACE_SCOPED();
SEQUENCE_EXIT_SCOPE_LOCK(locker_);
if (!device || !displays || num_displays > HWC_NUM_DISPLAY_TYPES) {
return -EINVAL;
}
HWCSession *hwc_session = static_cast<HWCSession *>(device);
if (hwc_session->color_mgr_) {
HWCDisplay *primary_display = hwc_session->hwc_display_[HWC_DISPLAY_PRIMARY];
if (primary_display) {
int ret = hwc_session->color_mgr_->SolidFillLayersSet(displays, primary_display);
if (ret)
return 0;
}
}
for (size_t dpy = 0; dpy < num_displays; dpy++) {
hwc_display_contents_1_t *content_list = displays[dpy];
// Drop virtual display composition if virtual display object could not be created
// due to HDMI concurrency.
if (dpy == HWC_DISPLAY_VIRTUAL && !hwc_session->hwc_display_[HWC_DISPLAY_VIRTUAL]) {
CloseAcquireFds(content_list);
if (content_list) {
content_list->retireFenceFd = -1;
}
continue;
}
if (hwc_session->hwc_display_[dpy]) {
hwc_session->hwc_display_[dpy]->Commit(content_list);
}
CloseAcquireFds(content_list);
}
if (hwc_session->new_bw_mode_) {
hwc_display_contents_1_t *content_list = displays[HWC_DISPLAY_PRIMARY];
hwc_session->new_bw_mode_ = false;
if (hwc_session->bw_mode_release_fd_ >= 0) {
close(hwc_session->bw_mode_release_fd_);
}
hwc_session->bw_mode_release_fd_ = dup(content_list->retireFenceFd);
}
// This is only indicative of how many times SurfaceFlinger posts
// frames to the display.
CALC_FPS();
// Return 0, else client will go into bad state
return 0;
}
void HWCSession::CloseAcquireFds(hwc_display_contents_1_t *content_list) {
if (content_list) {
for (size_t i = 0; i < content_list->numHwLayers; i++) {
int &acquireFenceFd = content_list->hwLayers[i].acquireFenceFd;
if (acquireFenceFd >= 0) {
close(acquireFenceFd);
acquireFenceFd = -1;
}
}
int &outbufAcquireFenceFd = content_list->outbufAcquireFenceFd;
if (outbufAcquireFenceFd >= 0) {
close(outbufAcquireFenceFd);
outbufAcquireFenceFd = -1;
}
}
}
bool HWCSession::IsDisplayYUV(int disp) {
int error = -EINVAL;
bool is_yuv = false;
DisplayConfigVariableInfo attributes = {};
if (disp < 0 || disp >= HWC_NUM_DISPLAY_TYPES || !hwc_display_[disp]) {
DLOGE("Invalid input parameters. Display = %d", disp);
return is_yuv;
}
uint32_t active_config = 0;
error = hwc_display_[disp]->GetActiveDisplayConfig(&active_config);
if (!error) {
error = hwc_display_[disp]->GetDisplayAttributesForConfig(INT(active_config), &attributes);
if (error == 0) {
is_yuv = attributes.is_yuv;
} else {
DLOGW("Error querying display attributes. Display = %d, Config = %d", disp, active_config);
}
}
return is_yuv;
}
int HWCSession::EventControl(hwc_composer_device_1 *device, int disp, int event, int enable) {
if (!device) {
return -EINVAL;
}
HWCSession *hwc_session = static_cast<HWCSession *>(device);
int status = -EINVAL;
if (hwc_session->hwc_display_[disp]) {
status = hwc_session->hwc_display_[disp]->EventControl(event, enable);
}
return status;
}
int HWCSession::SetPowerMode(hwc_composer_device_1 *device, int disp, int mode) {
SEQUENCE_WAIT_SCOPE_LOCK(locker_);
if (!device) {
return -EINVAL;
}
HWCSession *hwc_session = static_cast<HWCSession *>(device);
int status = -EINVAL;
if (hwc_session->hwc_display_[disp]) {
status = hwc_session->hwc_display_[disp]->SetPowerMode(mode);
}
if (disp == HWC_DISPLAY_PRIMARY && hwc_session->hwc_display_[HWC_DISPLAY_VIRTUAL]) {
// Set the power mode for virtual display while setting power mode for primary, as SF
// does not invoke SetPowerMode() for virtual display.
status = hwc_session->hwc_display_[HWC_DISPLAY_VIRTUAL]->SetPowerMode(mode);
}
return status;
}
int HWCSession::Query(hwc_composer_device_1 *device, int param, int *value) {
SCOPE_LOCK(locker_);
if (!device || !value) {
return -EINVAL;
}
int status = 0;
switch (param) {
case HWC_BACKGROUND_LAYER_SUPPORTED:
value[0] = 1;
break;
default:
status = -EINVAL;
}
return status;
}
void HWCSession::RegisterProcs(hwc_composer_device_1 *device, hwc_procs_t const *procs) {
SCOPE_LOCK(locker_);
if (!device || !procs) {
return;
}
HWCSession *hwc_session = static_cast<HWCSession *>(device);
hwc_session->hwc_procs_ = procs;
}
void HWCSession::Dump(hwc_composer_device_1 *device, char *buffer, int length) {
SEQUENCE_WAIT_SCOPE_LOCK(locker_);
if (!device || !buffer || !length) {
return;
}
DumpInterface::GetDump(buffer, UINT32(length));
}
int HWCSession::GetDisplayConfigs(hwc_composer_device_1 *device, int disp, uint32_t *configs,
size_t *num_configs) {
SCOPE_LOCK(locker_);
if (!device || !configs || !num_configs) {
return -EINVAL;
}
if (disp < HWC_DISPLAY_PRIMARY || disp > HWC_NUM_PHYSICAL_DISPLAY_TYPES) {
return -EINVAL;
}
HWCSession *hwc_session = static_cast<HWCSession *>(device);
int status = -EINVAL;
if (hwc_session->hwc_display_[disp]) {
status = hwc_session->hwc_display_[disp]->GetDisplayConfigs(configs, num_configs);
}
return status;
}
int HWCSession::GetDisplayAttributes(hwc_composer_device_1 *device, int disp, uint32_t config,
const uint32_t *display_attributes, int32_t *values) {
SCOPE_LOCK(locker_);
if (!device || !display_attributes || !values) {
return -EINVAL;
}
if (disp < HWC_DISPLAY_PRIMARY || disp > HWC_NUM_PHYSICAL_DISPLAY_TYPES) {
return -EINVAL;
}
HWCSession *hwc_session = static_cast<HWCSession *>(device);
int status = -EINVAL;
if (hwc_session->hwc_display_[disp]) {
status = hwc_session->hwc_display_[disp]->GetDisplayAttributes(config, display_attributes,
values);
}
return status;
}
int HWCSession::GetActiveConfig(hwc_composer_device_1 *device, int disp) {
SCOPE_LOCK(locker_);
if (!device) {
return -EINVAL;
}
if (disp < HWC_DISPLAY_PRIMARY || disp > HWC_NUM_PHYSICAL_DISPLAY_TYPES) {
return -EINVAL;
}
HWCSession *hwc_session = static_cast<HWCSession *>(device);
int active_config = -1;
if (hwc_session->hwc_display_[disp]) {
active_config = hwc_session->hwc_display_[disp]->GetActiveConfig();
}
return active_config;
}
int HWCSession::SetActiveConfig(hwc_composer_device_1 *device, int disp, int index) {
SEQUENCE_WAIT_SCOPE_LOCK(locker_);
if (!device) {
return -EINVAL;
}
if (disp < HWC_DISPLAY_PRIMARY || disp > HWC_NUM_PHYSICAL_DISPLAY_TYPES) {
return -EINVAL;
}
HWCSession *hwc_session = static_cast<HWCSession *>(device);
int status = -EINVAL;
if (hwc_session->hwc_display_[disp]) {
status = hwc_session->hwc_display_[disp]->SetActiveConfig(index);
}
return status;
}
int HWCSession::SetCursorPositionAsync(hwc_composer_device_1 *device, int disp, int x, int y) {
DTRACE_SCOPED();
SCOPE_LOCK(locker_);
if (!device || (disp < HWC_DISPLAY_PRIMARY) || (disp > HWC_DISPLAY_VIRTUAL)) {
return -EINVAL;
}
int status = -EINVAL;
HWCSession *hwc_session = static_cast<HWCSession *>(device);
if (hwc_session->hwc_display_[disp]) {
status = hwc_session->hwc_display_[disp]->SetCursorPosition(x, y);
}
return status;
}
int HWCSession::ConnectDisplay(int disp, hwc_display_contents_1_t *content_list) {
DLOGI("Display = %d", disp);
int status = 0;
uint32_t primary_width = 0;
uint32_t primary_height = 0;
hwc_display_[HWC_DISPLAY_PRIMARY]->GetFrameBufferResolution(&primary_width, &primary_height);
if (disp == HWC_DISPLAY_EXTERNAL) {
status = HWCDisplayExternal::Create(core_intf_, &hwc_procs_, primary_width, primary_height,
qservice_, false, &hwc_display_[disp]);
} else if (disp == HWC_DISPLAY_VIRTUAL) {
status = HWCDisplayVirtual::Create(core_intf_, &hwc_procs_, primary_width, primary_height,
content_list, &hwc_display_[disp]);
} else {
DLOGE("Invalid display type");
return -1;
}
if (!status) {
hwc_display_[disp]->SetSecureDisplay(secure_display_active_);
}
return status;
}
int HWCSession::DisconnectDisplay(int disp) {
DLOGI("Display = %d", disp);
if (disp == HWC_DISPLAY_EXTERNAL) {
HWCDisplayExternal::Destroy(hwc_display_[disp]);
} else if (disp == HWC_DISPLAY_VIRTUAL) {
HWCDisplayVirtual::Destroy(hwc_display_[disp]);
} else {
DLOGE("Invalid display type");
return -1;
}
hwc_display_[disp] = NULL;
return 0;
}
android::status_t HWCSession::notifyCallback(uint32_t command, const android::Parcel *input_parcel,
android::Parcel *output_parcel) {
SEQUENCE_WAIT_SCOPE_LOCK(locker_);
android::status_t status = 0;
switch (command) {
case qService::IQService::DYNAMIC_DEBUG:
DynamicDebug(input_parcel);
break;
case qService::IQService::SCREEN_REFRESH:
hwc_procs_->invalidate(hwc_procs_);
break;
case qService::IQService::SET_IDLE_TIMEOUT:
if (hwc_display_[HWC_DISPLAY_PRIMARY]) {
uint32_t timeout = UINT32(input_parcel->readInt32());
hwc_display_[HWC_DISPLAY_PRIMARY]->SetIdleTimeoutMs(timeout);
}
break;
case qService::IQService::SET_FRAME_DUMP_CONFIG:
SetFrameDumpConfig(input_parcel);
break;
case qService::IQService::SET_MAX_PIPES_PER_MIXER:
status = SetMaxMixerStages(input_parcel);
break;
case qService::IQService::SET_DISPLAY_MODE:
status = SetDisplayMode(input_parcel);
break;
case qService::IQService::SET_SECONDARY_DISPLAY_STATUS:
status = SetSecondaryDisplayStatus(input_parcel, output_parcel);
break;
case qService::IQService::CONFIGURE_DYN_REFRESH_RATE:
status = ConfigureRefreshRate(input_parcel);
break;
case qService::IQService::SET_VIEW_FRAME:
break;
case qService::IQService::TOGGLE_SCREEN_UPDATES:
status = ToggleScreenUpdates(input_parcel, output_parcel);
break;
case qService::IQService::QDCM_SVC_CMDS:
status = QdcmCMDHandler(input_parcel, output_parcel);
break;
case qService::IQService::MIN_HDCP_ENCRYPTION_LEVEL_CHANGED:
status = OnMinHdcpEncryptionLevelChange(input_parcel, output_parcel);
break;
case qService::IQService::CONTROL_PARTIAL_UPDATE:
status = ControlPartialUpdate(input_parcel, output_parcel);
break;
case qService::IQService::SET_ACTIVE_CONFIG:
status = HandleSetActiveDisplayConfig(input_parcel, output_parcel);
break;
case qService::IQService::GET_ACTIVE_CONFIG:
status = HandleGetActiveDisplayConfig(input_parcel, output_parcel);
break;
case qService::IQService::GET_CONFIG_COUNT:
status = HandleGetDisplayConfigCount(input_parcel, output_parcel);
break;
case qService::IQService::GET_DISPLAY_ATTRIBUTES_FOR_CONFIG:
status = HandleGetDisplayAttributesForConfig(input_parcel, output_parcel);
break;
case qService::IQService::GET_PANEL_BRIGHTNESS:
status = GetPanelBrightness(input_parcel, output_parcel);
break;
case qService::IQService::SET_PANEL_BRIGHTNESS:
status = SetPanelBrightness(input_parcel, output_parcel);
break;
case qService::IQService::GET_DISPLAY_VISIBLE_REGION:
status = GetVisibleDisplayRect(input_parcel, output_parcel);
break;
case qService::IQService::SET_CAMERA_STATUS:
status = SetDynamicBWForCamera(input_parcel, output_parcel);
break;
case qService::IQService::GET_BW_TRANSACTION_STATUS:
status = GetBWTransactionStatus(input_parcel, output_parcel);
break;
case qService::IQService::SET_LAYER_MIXER_RESOLUTION:
status = SetMixerResolution(input_parcel);
break;
default:
DLOGW("QService command = %d is not supported", command);
return -EINVAL;
}
return status;
}
android::status_t HWCSession::ToggleScreenUpdates(const android::Parcel *input_parcel,
android::Parcel *output_parcel) {
int input = input_parcel->readInt32();
int error = android::BAD_VALUE;
if (hwc_display_[HWC_DISPLAY_PRIMARY] && (input <= 1) && (input >= 0)) {
error = hwc_display_[HWC_DISPLAY_PRIMARY]->ToggleScreenUpdates(input == 1);
if (error != 0) {
DLOGE("Failed to toggle screen updates = %d. Error = %d", input, error);
}
}
output_parcel->writeInt32(error);
return error;
}
android::status_t HWCSession::SetPanelBrightness(const android::Parcel *input_parcel,
android::Parcel *output_parcel) {
int level = input_parcel->readInt32();
int error = android::BAD_VALUE;
if (hwc_display_[HWC_DISPLAY_PRIMARY]) {
error = hwc_display_[HWC_DISPLAY_PRIMARY]->SetPanelBrightness(level);
if (error != 0) {
DLOGE("Failed to set the panel brightness = %d. Error = %d", level, error);
}
}
output_parcel->writeInt32(error);
return error;
}
android::status_t HWCSession::GetPanelBrightness(const android::Parcel *input_parcel,
android::Parcel *output_parcel) {
int error = android::BAD_VALUE;
int ret = error;
if (hwc_display_[HWC_DISPLAY_PRIMARY]) {
error = hwc_display_[HWC_DISPLAY_PRIMARY]->GetPanelBrightness(&ret);
if (error != 0) {
ret = error;
DLOGE("Failed to get the panel brightness. Error = %d", error);
}
}
output_parcel->writeInt32(ret);
return error;
}
android::status_t HWCSession::ControlPartialUpdate(const android::Parcel *input_parcel,
android::Parcel *out) {
DisplayError error = kErrorNone;
int ret = 0;
uint32_t disp_id = UINT32(input_parcel->readInt32());
uint32_t enable = UINT32(input_parcel->readInt32());
if (disp_id != HWC_DISPLAY_PRIMARY) {
DLOGW("CONTROL_PARTIAL_UPDATE is not applicable for display = %d", disp_id);
ret = -EINVAL;
out->writeInt32(ret);
return ret;
}
if (!hwc_display_[HWC_DISPLAY_PRIMARY]) {
DLOGE("primary display object is not instantiated");
ret = -EINVAL;
out->writeInt32(ret);
return ret;
}
uint32_t pending = 0;
error = hwc_display_[HWC_DISPLAY_PRIMARY]->ControlPartialUpdate(enable, &pending);
if (error == kErrorNone) {
if (!pending) {
out->writeInt32(ret);
return ret;
}
} else if (error == kErrorNotSupported) {
out->writeInt32(ret);
return ret;
} else {
ret = -EINVAL;
out->writeInt32(ret);
return ret;
}
// Todo(user): Unlock it before sending events to client. It may cause deadlocks in future.
hwc_procs_->invalidate(hwc_procs_);
// Wait until partial update control is complete
ret = locker_.WaitFinite(kPartialUpdateControlTimeoutMs);
out->writeInt32(ret);
return ret;
}
android::status_t HWCSession::HandleSetActiveDisplayConfig(const android::Parcel *input_parcel,
android::Parcel *output_parcel) {
int config = input_parcel->readInt32();
int dpy = input_parcel->readInt32();
int error = android::BAD_VALUE;
if (dpy > HWC_DISPLAY_VIRTUAL) {
return android::BAD_VALUE;
}
if (hwc_display_[dpy]) {
error = hwc_display_[dpy]->SetActiveDisplayConfig(config);
if (error == 0) {
hwc_procs_->invalidate(hwc_procs_);
}
}
return error;
}
android::status_t HWCSession::HandleGetActiveDisplayConfig(const android::Parcel *input_parcel,
android::Parcel *output_parcel) {
int dpy = input_parcel->readInt32();
int error = android::BAD_VALUE;
if (dpy > HWC_DISPLAY_VIRTUAL) {
return android::BAD_VALUE;
}
if (hwc_display_[dpy]) {
uint32_t config = 0;
error = hwc_display_[dpy]->GetActiveDisplayConfig(&config);
if (error == 0) {
output_parcel->writeInt32(INT(config));
}
}
return error;
}
android::status_t HWCSession::HandleGetDisplayConfigCount(const android::Parcel *input_parcel,
android::Parcel *output_parcel) {
int dpy = input_parcel->readInt32();
int error = android::BAD_VALUE;
if (dpy > HWC_DISPLAY_VIRTUAL) {
return android::BAD_VALUE;
}
uint32_t count = 0;
if (hwc_display_[dpy]) {
error = hwc_display_[dpy]->GetDisplayConfigCount(&count);
if (error == 0) {
output_parcel->writeInt32(INT(count));
}
}
return error;
}
android::status_t HWCSession::HandleGetDisplayAttributesForConfig(const android::Parcel
*input_parcel,
android::Parcel *output_parcel) {
int config = input_parcel->readInt32();
int dpy = input_parcel->readInt32();
int error = android::BAD_VALUE;
DisplayConfigVariableInfo display_attributes;
if (dpy > HWC_DISPLAY_VIRTUAL) {
return android::BAD_VALUE;
}
if (hwc_display_[dpy]) {
error = hwc_display_[dpy]->GetDisplayAttributesForConfig(config, &display_attributes);
if (error == 0) {
output_parcel->writeInt32(INT(display_attributes.vsync_period_ns));
output_parcel->writeInt32(INT(display_attributes.x_pixels));
output_parcel->writeInt32(INT(display_attributes.y_pixels));
output_parcel->writeFloat(display_attributes.x_dpi);
output_parcel->writeFloat(display_attributes.y_dpi);
output_parcel->writeInt32(0); // Panel type, unsupported.
output_parcel->writeInt32(display_attributes.is_yuv);
}
}
return error;
}
android::status_t HWCSession::SetSecondaryDisplayStatus(const android::Parcel *input_parcel,
android::Parcel *output_parcel) {
int ret = -EINVAL;
uint32_t display_id = UINT32(input_parcel->readInt32());
uint32_t display_status = UINT32(input_parcel->readInt32());
DLOGI("Display = %d, Status = %d", display_id, display_status);
if (display_id >= HWC_NUM_DISPLAY_TYPES) {
DLOGE("Invalid display_id");
} else if (display_id == HWC_DISPLAY_PRIMARY) {
DLOGE("Not supported for this display");
} else if (!hwc_display_[display_id]) {
DLOGW("Display is not connected");
} else {
ret = hwc_display_[display_id]->SetDisplayStatus(display_status);
}
output_parcel->writeInt32(ret);
return ret;
}
android::status_t HWCSession::ConfigureRefreshRate(const android::Parcel *input_parcel) {
uint32_t operation = UINT32(input_parcel->readInt32());
switch (operation) {
case qdutils::DISABLE_METADATA_DYN_REFRESH_RATE:
return hwc_display_[HWC_DISPLAY_PRIMARY]->Perform(
HWCDisplayPrimary::SET_METADATA_DYN_REFRESH_RATE, false);
case qdutils::ENABLE_METADATA_DYN_REFRESH_RATE:
return hwc_display_[HWC_DISPLAY_PRIMARY]->Perform(
HWCDisplayPrimary::SET_METADATA_DYN_REFRESH_RATE, true);
case qdutils::SET_BINDER_DYN_REFRESH_RATE:
{
uint32_t refresh_rate = UINT32(input_parcel->readInt32());
return hwc_display_[HWC_DISPLAY_PRIMARY]->Perform(
HWCDisplayPrimary::SET_BINDER_DYN_REFRESH_RATE,
refresh_rate);
}
default:
DLOGW("Invalid operation %d", operation);
return -EINVAL;
}
return 0;
}
android::status_t HWCSession::SetDisplayMode(const android::Parcel *input_parcel) {
uint32_t mode = UINT32(input_parcel->readInt32());
return hwc_display_[HWC_DISPLAY_PRIMARY]->Perform(HWCDisplayPrimary::SET_DISPLAY_MODE, mode);
}
android::status_t HWCSession::SetMaxMixerStages(const android::Parcel *input_parcel) {
DisplayError error = kErrorNone;
std::bitset<32> bit_mask_display_type = UINT32(input_parcel->readInt32());
uint32_t max_mixer_stages = UINT32(input_parcel->readInt32());
if (bit_mask_display_type[HWC_DISPLAY_PRIMARY]) {
if (hwc_display_[HWC_DISPLAY_PRIMARY]) {
error = hwc_display_[HWC_DISPLAY_PRIMARY]->SetMaxMixerStages(max_mixer_stages);
if (error != kErrorNone) {
return -EINVAL;
}
}
}
if (bit_mask_display_type[HWC_DISPLAY_EXTERNAL]) {
if (hwc_display_[HWC_DISPLAY_EXTERNAL]) {
error = hwc_display_[HWC_DISPLAY_EXTERNAL]->SetMaxMixerStages(max_mixer_stages);
if (error != kErrorNone) {
return -EINVAL;
}
}
}
if (bit_mask_display_type[HWC_DISPLAY_VIRTUAL]) {
if (hwc_display_[HWC_DISPLAY_VIRTUAL]) {
error = hwc_display_[HWC_DISPLAY_VIRTUAL]->SetMaxMixerStages(max_mixer_stages);
if (error != kErrorNone) {
return -EINVAL;
}
}
}
return 0;
}
android::status_t HWCSession::SetDynamicBWForCamera(const android::Parcel *input_parcel,
android::Parcel *output_parcel) {
DisplayError error = kErrorNone;
uint32_t camera_status = UINT32(input_parcel->readInt32());
HWBwModes mode = camera_status > 0 ? kBwCamera : kBwDefault;
// trigger invalidate to apply new bw caps.
hwc_procs_->invalidate(hwc_procs_);
error = core_intf_->SetMaxBandwidthMode(mode);
if (error != kErrorNone) {
return -EINVAL;
}
new_bw_mode_ = true;
need_invalidate_ = true;
return 0;
}
android::status_t HWCSession::GetBWTransactionStatus(const android::Parcel *input_parcel,
android::Parcel *output_parcel) {
bool state = true;
if (hwc_display_[HWC_DISPLAY_PRIMARY]) {
if (sync_wait(bw_mode_release_fd_, 0) < 0) {
DLOGI("bw_transaction_release_fd is not yet signalled: err= %s", strerror(errno));
state = false;
}
output_parcel->writeInt32(state);
}
return 0;
}
void HWCSession::SetFrameDumpConfig(const android::Parcel *input_parcel) {
uint32_t frame_dump_count = UINT32(input_parcel->readInt32());
std::bitset<32> bit_mask_display_type = UINT32(input_parcel->readInt32());
uint32_t bit_mask_layer_type = UINT32(input_parcel->readInt32());
if (bit_mask_display_type[HWC_DISPLAY_PRIMARY]) {
if (hwc_display_[HWC_DISPLAY_PRIMARY]) {
hwc_display_[HWC_DISPLAY_PRIMARY]->SetFrameDumpConfig(frame_dump_count, bit_mask_layer_type);
}
}
if (bit_mask_display_type[HWC_DISPLAY_EXTERNAL]) {
if (hwc_display_[HWC_DISPLAY_EXTERNAL]) {
hwc_display_[HWC_DISPLAY_EXTERNAL]->SetFrameDumpConfig(frame_dump_count, bit_mask_layer_type);
}
}
if (bit_mask_display_type[HWC_DISPLAY_VIRTUAL]) {
if (hwc_display_[HWC_DISPLAY_VIRTUAL]) {
hwc_display_[HWC_DISPLAY_VIRTUAL]->SetFrameDumpConfig(frame_dump_count, bit_mask_layer_type);
}
}
}
android::status_t HWCSession::SetMixerResolution(const android::Parcel *input_parcel) {
DisplayError error = kErrorNone;
uint32_t dpy = UINT32(input_parcel->readInt32());
if (dpy != HWC_DISPLAY_PRIMARY) {
DLOGI("Resoulution change not supported for this display %d", dpy);
return -EINVAL;
}
if (!hwc_display_[HWC_DISPLAY_PRIMARY]) {
DLOGI("Primary display is not initialized");
return -EINVAL;
}
uint32_t width = UINT32(input_parcel->readInt32());
uint32_t height = UINT32(input_parcel->readInt32());
error = hwc_display_[HWC_DISPLAY_PRIMARY]->SetMixerResolution(width, height);
if (error != kErrorNone) {
return -EINVAL;
}
return 0;
}
void HWCSession::DynamicDebug(const android::Parcel *input_parcel) {
int type = input_parcel->readInt32();
bool enable = (input_parcel->readInt32() > 0);
DLOGI("type = %d enable = %d", type, enable);
int verbose_level = input_parcel->readInt32();
switch (type) {
case qService::IQService::DEBUG_ALL:
HWCDebugHandler::DebugAll(enable, verbose_level);
break;
case qService::IQService::DEBUG_MDPCOMP:
HWCDebugHandler::DebugStrategy(enable, verbose_level);
HWCDebugHandler::DebugCompManager(enable, verbose_level);
break;
case qService::IQService::DEBUG_PIPE_LIFECYCLE:
HWCDebugHandler::DebugResources(enable, verbose_level);
break;
case qService::IQService::DEBUG_DRIVER_CONFIG:
HWCDebugHandler::DebugDriverConfig(enable, verbose_level);
break;
case qService::IQService::DEBUG_ROTATOR:
HWCDebugHandler::DebugResources(enable, verbose_level);
HWCDebugHandler::DebugDriverConfig(enable, verbose_level);
HWCDebugHandler::DebugRotator(enable, verbose_level);
break;
case qService::IQService::DEBUG_QDCM:
HWCDebugHandler::DebugQdcm(enable, verbose_level);
break;
default:
DLOGW("type = %d is not supported", type);
}
}
android::status_t HWCSession::QdcmCMDHandler(const android::Parcel *input_parcel,
android::Parcel *output_parcel) {
int ret = 0;
int32_t *brightness_value = NULL;
uint32_t display_id(0);
PPPendingParams pending_action;
PPDisplayAPIPayload resp_payload, req_payload;
if (!color_mgr_) {
return -1;
}
pending_action.action = kNoAction;
pending_action.params = NULL;
// Read display_id, payload_size and payload from in_parcel.
ret = HWCColorManager::CreatePayloadFromParcel(*input_parcel, &display_id, &req_payload);
if (!ret) {
if (HWC_DISPLAY_PRIMARY == display_id && hwc_display_[HWC_DISPLAY_PRIMARY])
ret = hwc_display_[HWC_DISPLAY_PRIMARY]->ColorSVCRequestRoute(req_payload,
&resp_payload, &pending_action);
if (HWC_DISPLAY_EXTERNAL == display_id && hwc_display_[HWC_DISPLAY_EXTERNAL])
ret = hwc_display_[HWC_DISPLAY_EXTERNAL]->ColorSVCRequestRoute(req_payload, &resp_payload,
&pending_action);
}
if (ret) {
output_parcel->writeInt32(ret); // first field in out parcel indicates return code.
req_payload.DestroyPayload();
resp_payload.DestroyPayload();
return ret;
}
switch (pending_action.action) {
case kInvalidating:
hwc_procs_->invalidate(hwc_procs_);
break;
case kEnterQDCMMode:
ret = color_mgr_->EnableQDCMMode(true, hwc_display_[HWC_DISPLAY_PRIMARY]);
break;
case kExitQDCMMode:
ret = color_mgr_->EnableQDCMMode(false, hwc_display_[HWC_DISPLAY_PRIMARY]);
break;
case kApplySolidFill:
ret = color_mgr_->SetSolidFill(pending_action.params,
true, hwc_display_[HWC_DISPLAY_PRIMARY]);
hwc_procs_->invalidate(hwc_procs_);
break;
case kDisableSolidFill:
ret = color_mgr_->SetSolidFill(pending_action.params,
false, hwc_display_[HWC_DISPLAY_PRIMARY]);
hwc_procs_->invalidate(hwc_procs_);
break;
case kSetPanelBrightness:
brightness_value = reinterpret_cast<int32_t*>(resp_payload.payload);
if (brightness_value == NULL) {
DLOGE("Brightness value is Null");
return -EINVAL;
}
if (HWC_DISPLAY_PRIMARY == display_id)
ret = hwc_display_[HWC_DISPLAY_PRIMARY]->SetPanelBrightness(*brightness_value);
break;
case kEnableFrameCapture:
ret = color_mgr_->SetFrameCapture(pending_action.params,
true, hwc_display_[HWC_DISPLAY_PRIMARY]);
hwc_procs_->invalidate(hwc_procs_);
break;
case kDisableFrameCapture:
ret = color_mgr_->SetFrameCapture(pending_action.params,
false, hwc_display_[HWC_DISPLAY_PRIMARY]);
break;
case kNoAction:
break;
default:
DLOGW("Invalid pending action = %d!", pending_action.action);
break;
}
// for display API getter case, marshall returned params into out_parcel.
output_parcel->writeInt32(ret);
HWCColorManager::MarshallStructIntoParcel(resp_payload, output_parcel);
req_payload.DestroyPayload();
resp_payload.DestroyPayload();
return (ret? -EINVAL : 0);
}
android::status_t HWCSession::OnMinHdcpEncryptionLevelChange(const android::Parcel *input_parcel,
android::Parcel *output_parcel) {
int ret = -EINVAL;
uint32_t display_id = UINT32(input_parcel->readInt32());
uint32_t min_enc_level = UINT32(input_parcel->readInt32());
DLOGI("Display %d", display_id);
if (display_id >= HWC_NUM_DISPLAY_TYPES) {
DLOGE("Invalid display_id");
} else if (display_id != HWC_DISPLAY_EXTERNAL) {
DLOGE("Not supported for display");
} else if (!hwc_display_[display_id]) {
DLOGW("Display is not connected");
} else {
ret = hwc_display_[display_id]->OnMinHdcpEncryptionLevelChange(min_enc_level);
}
output_parcel->writeInt32(ret);
return ret;
}
void* HWCSession::HWCUeventThread(void *context) {
if (context) {
return reinterpret_cast<HWCSession *>(context)->HWCUeventThreadHandler();
}
return NULL;
}
void* HWCSession::HWCUeventThreadHandler() {
static char uevent_data[PAGE_SIZE];
int length = 0;
prctl(PR_SET_NAME, uevent_thread_name_, 0, 0, 0);
setpriority(PRIO_PROCESS, 0, HAL_PRIORITY_URGENT_DISPLAY);
if (!uevent_init()) {
DLOGE("Failed to init uevent");
pthread_exit(0);
return NULL;
}
while (!uevent_thread_exit_) {
// keep last 2 zeroes to ensure double 0 termination
length = uevent_next_event(uevent_data, INT32(sizeof(uevent_data)) - 2);
if (strcasestr(HWC_UEVENT_SWITCH_HDMI, uevent_data)) {
DLOGI("Uevent HDMI = %s", uevent_data);
int connected = GetEventValue(uevent_data, length, "SWITCH_STATE=");
if (connected >= 0) {
DLOGI("HDMI = %s", connected ? "connected" : "disconnected");
if (HotPlugHandler(connected) == -1) {
DLOGE("Failed handling Hotplug = %s", connected ? "connected" : "disconnected");
}
}
} else if (strcasestr(HWC_UEVENT_GRAPHICS_FB0, uevent_data)) {
DLOGI("Uevent FB0 = %s", uevent_data);
int panel_reset = GetEventValue(uevent_data, length, "PANEL_ALIVE=");
if (panel_reset == 0) {
if (hwc_procs_) {
reset_panel_ = true;
hwc_procs_->invalidate(hwc_procs_);
} else {
DLOGW("Ignore resetpanel - hwc_proc not registered");
}
}
}
}
pthread_exit(0);
return NULL;
}
int HWCSession::GetEventValue(const char *uevent_data, int length, const char *event_info) {
const char *iterator_str = uevent_data;
while (((iterator_str - uevent_data) <= length) && (*iterator_str)) {
const char *pstr = strstr(iterator_str, event_info);
if (pstr != NULL) {
return (atoi(iterator_str + strlen(event_info)));
}
iterator_str += strlen(iterator_str) + 1;
}
return -1;
}
void HWCSession::ResetPanel() {
int status = -EINVAL;
DLOGI("Powering off primary");
status = hwc_display_[HWC_DISPLAY_PRIMARY]->SetPowerMode(HWC_POWER_MODE_OFF);
if (status) {
DLOGE("power-off on primary failed with error = %d", status);
}
DLOGI("Restoring power mode on primary");
int32_t mode = INT(hwc_display_[HWC_DISPLAY_PRIMARY]->GetLastPowerMode());
status = hwc_display_[HWC_DISPLAY_PRIMARY]->SetPowerMode(mode);
if (status) {
DLOGE("Setting power mode = %d on primary failed with error = %d", mode, status);
}
status = hwc_display_[HWC_DISPLAY_PRIMARY]->EventControl(HWC_EVENT_VSYNC, 1);
if (status) {
DLOGE("enabling vsync failed for primary with error = %d", status);
}
reset_panel_ = false;
}
int HWCSession::HotPlugHandler(bool connected) {
int status = 0;
bool notify_hotplug = false;
// To prevent sending events to client while a lock is held, acquire scope locks only within
// below scope so that those get automatically unlocked after the scope ends.
{
SEQUENCE_WAIT_SCOPE_LOCK(locker_);
if (!hwc_display_[HWC_DISPLAY_PRIMARY]) {
DLOGE("Primay display is not connected.");
return -1;
}
HWCDisplay *primary_display = hwc_display_[HWC_DISPLAY_PRIMARY];
HWCDisplay *external_display = NULL;
HWCDisplay *null_display = NULL;
if (primary_display->GetDisplayClass() == DISPLAY_CLASS_EXTERNAL) {
external_display = static_cast<HWCDisplayExternal *>(hwc_display_[HWC_DISPLAY_PRIMARY]);
} else if (primary_display->GetDisplayClass() == DISPLAY_CLASS_NULL) {
null_display = static_cast<HWCDisplayNull *>(hwc_display_[HWC_DISPLAY_PRIMARY]);
}
// If primary display connected is a NULL display, then replace it with the external display
if (connected) {
// If we are in HDMI as primary and the primary display just got plugged in
if (is_hdmi_primary_ && null_display) {
uint32_t primary_width, primary_height;
null_display->GetFrameBufferResolution(&primary_width, &primary_height);
delete null_display;
hwc_display_[HWC_DISPLAY_PRIMARY] = NULL;
// Create external display with a forced framebuffer resolution to that of what the NULL
// display had. This is necessary because SurfaceFlinger does not dynamically update
// framebuffer resolution once it reads it at bootup. So we always have to have the NULL
// display/external display both at the bootup resolution.
int status = HWCDisplayExternal::Create(core_intf_, &hwc_procs_, primary_width,
primary_height, qservice_, true,
&hwc_display_[HWC_DISPLAY_PRIMARY]);
if (status) {
DLOGE("Could not create external display");
return -1;
}
is_hdmi_yuv_ = IsDisplayYUV(HWC_DISPLAY_PRIMARY);
// Next, go ahead and enable vsync on external display. This is expliclity required
// because in HDMI as primary case, SurfaceFlinger may not be aware of underlying
// changing display. and thus may not explicitly enable vsync
status = hwc_display_[HWC_DISPLAY_PRIMARY]->EventControl(HWC_EVENT_VSYNC, true);
if (status) {
DLOGE("Error enabling vsync for HDMI as primary case");
}
// Don't do hotplug notification for HDMI as primary case for now
notify_hotplug = false;
} else {
if (hwc_display_[HWC_DISPLAY_EXTERNAL]) {
DLOGE("HDMI is already connected");
return -1;
}
// Connect external display if virtual display is not connected.
// Else, defer external display connection and process it when virtual display
// tears down; Do not notify SurfaceFlinger since connection is deferred now.
if (!hwc_display_[HWC_DISPLAY_VIRTUAL]) {
status = ConnectDisplay(HWC_DISPLAY_EXTERNAL, NULL);
if (status) {
return status;
}
notify_hotplug = true;
} else {
DLOGI("Virtual display is connected, pending connection");
external_pending_connect_ = true;
}
}
} else {
// Do not return error if external display is not in connected status.
// Due to virtual display concurrency, external display connection might be still pending
// but hdmi got disconnected before pending connection could be processed.
if (is_hdmi_primary_ && external_display) {
uint32_t x_res, y_res;
external_display->GetFrameBufferResolution(&x_res, &y_res);
// Need to manually disable VSYNC as SF is not aware of connect/disconnect cases
// for HDMI as primary
external_display->EventControl(HWC_EVENT_VSYNC, false);
HWCDisplayExternal::Destroy(external_display);
HWCDisplayNull *null_display;
int status = HWCDisplayNull::Create(core_intf_, &hwc_procs_,
reinterpret_cast<HWCDisplay **>(&null_display));
if (status) {
DLOGE("Could not create Null display when primary got disconnected");
return -1;
}
null_display->SetResolution(x_res, y_res);
hwc_display_[HWC_DISPLAY_PRIMARY] = null_display;
// Don't do hotplug notification for HDMI as primary case for now
notify_hotplug = false;
} else {
if (hwc_display_[HWC_DISPLAY_EXTERNAL]) {
status = DisconnectDisplay(HWC_DISPLAY_EXTERNAL);
notify_hotplug = true;
}
external_pending_connect_ = false;
}
}
}
if (connected && notify_hotplug) {
// trigger screen refresh to ensure sufficient resources are available to process new
// new display connection.
hwc_procs_->invalidate(hwc_procs_);
uint32_t vsync_period = UINT32(GetVsyncPeriod(HWC_DISPLAY_PRIMARY));
usleep(vsync_period * 2 / 1000);
}
// notify client
if (notify_hotplug) {
hwc_procs_->hotplug(hwc_procs_, HWC_DISPLAY_EXTERNAL, connected);
}
qservice_->onHdmiHotplug(INT(connected));
return 0;
}
void HWCSession::HandleSecureDisplaySession(hwc_display_contents_1_t **displays) {
secure_display_active_ = false;
if (!*displays) {
DLOGW("Invalid display contents");
return;
}
hwc_display_contents_1_t *content_list = displays[HWC_DISPLAY_PRIMARY];
if (!content_list) {
DLOGW("Invalid primary content list");
return;
}
size_t num_hw_layers = content_list->numHwLayers;
for (size_t i = 0; i < num_hw_layers - 1; i++) {
hwc_layer_1_t &hwc_layer = content_list->hwLayers[i];
const private_handle_t *pvt_handle = static_cast<const private_handle_t *>(hwc_layer.handle);
if (pvt_handle && pvt_handle->flags & private_handle_t::PRIV_FLAGS_SECURE_DISPLAY) {
secure_display_active_ = true;
}
}
for (ssize_t dpy = static_cast<ssize_t>(HWC_NUM_DISPLAY_TYPES - 1); dpy >= 0; dpy--) {
if (hwc_display_[dpy]) {
hwc_display_[dpy]->SetSecureDisplay(secure_display_active_);
}
}
}
android::status_t HWCSession::GetVisibleDisplayRect(const android::Parcel *input_parcel,
android::Parcel *output_parcel) {
int dpy = input_parcel->readInt32();
if (dpy < HWC_DISPLAY_PRIMARY || dpy > HWC_DISPLAY_VIRTUAL) {
return android::BAD_VALUE;;
}
if (!hwc_display_[dpy]) {
return android::NO_INIT;
}
hwc_rect_t visible_rect = {0, 0, 0, 0};
int error = hwc_display_[dpy]->GetVisibleDisplayRect(&visible_rect);
if (error < 0) {
return error;
}
output_parcel->writeInt32(visible_rect.left);
output_parcel->writeInt32(visible_rect.top);
output_parcel->writeInt32(visible_rect.right);
output_parcel->writeInt32(visible_rect.bottom);
return android::NO_ERROR;
}
} // namespace sdm