sdm: Handle HDMI mode change with different pixel format

Notify pixel format change through put vscreeninfo ioctl while
changing the hdmi mode in DRC feature.

Change-Id: I4a786566440a60505cefcbb2dbe4ea08cc0c6322

1 files changed, 12 insertions, 2 deletions

diff --git a/sdm/libs/core/fb/hw_hdmi.cpp b/sdm/libs/core/fb/hw_hdmi.cpp
index 6fb727197..05b0d0dde 100644
--- a/sdm/libs/core/fb/hw_hdmi.cpp
+++ b/sdm/libs/core/fb/hw_hdmi.cpp
@@ -733,8 +733,7 @@ DisplayError HWHDMI::GetDynamicFrameRateMode(uint32_t refresh_rate, uint32_t *mo
   for (i = 0; i < hdmi_mode_count_; i++) {
     msm_hdmi_mode_timing_info *timing_mode = &supported_video_modes_[i];
     if (cur->active_h == timing_mode->active_h &&
-       cur->active_v == timing_mode->active_v &&
-       cur->pixel_formats == timing_mode->pixel_formats ) {
+       cur->active_v == timing_mode->active_v) {
       int cur_refresh_rate_diff = static_cast<int>(timing_mode->refresh_rate) -
                                   static_cast<int>(refresh_rate);
       if (abs(pre_refresh_rate_diff) > abs(cur_refresh_rate_diff)) {
@@ -750,6 +749,12 @@ DisplayError HWHDMI::GetDynamicFrameRateMode(uint32_t refresh_rate, uint32_t *mo
 
   GetConfigIndex(dst->video_format, config_index);
 
+  // When there is a change in pixel format set the mode using FBIOPUT_VSCREENINFO info ioctl.
+  if (cur->pixel_formats != dst->pixel_formats) {
+    *mode = kModeSuspendResume;
+    return kErrorNone;
+  }
+
   data->hor_front_porch = dst->front_porch_h;
   data->hor_back_porch = dst->back_porch_h;
   data->hor_pulse_width = dst->pulse_width_h;
@@ -796,6 +801,11 @@ DisplayError HWHDMI::SetRefreshRate(uint32_t refresh_rate) {
     return error;
   }
 
+  if (mode == kModeSuspendResume) {
+    SetDisplayAttributes(config_index);
+    return kErrorNone;
+  }
+
   snprintf(mode_path, sizeof(mode_path), "%s%d/msm_fb_dfps_mode", fb_path_, fb_node_index_);
   snprintf(node_path, sizeof(node_path), "%s%d/dynamic_fps", fb_path_, fb_node_index_);