Load and apply a vcgt table from an ICC file to the internal display

ui/ozone/platform/drm/gpu/drm_gpu_display_manager.cc

Index: ui/ozone/platform/drm/gpu/drm_gpu_display_manager.cc
diff --git a/ui/ozone/platform/drm/gpu/drm_gpu_display_manager.cc b/ui/ozone/platform/drm/gpu/drm_gpu_display_manager.cc
index 60b335bfaa429bcc04c425c8af45ec900b8b6dce..611edac10351f6f1258216f3549ec17f9ec1a72d 100644
--- a/ui/ozone/platform/drm/gpu/drm_gpu_display_manager.cc
+++ b/ui/ozone/platform/drm/gpu/drm_gpu_display_manager.cc
@@ -9,6 +9,7 @@
 #include "base/file_descriptor_posix.h"
 #include "base/files/file.h"
 #include "base/single_thread_task_runner.h"
+#include "ui/display/types/gamma_ramp_rgb_entry.h"
 #include "ui/display/types/native_display_observer.h"
 #include "ui/events/ozone/device/device_event.h"
 #include "ui/ozone/common/display_util.h"
@@ -236,6 +237,21 @@ void DrmGpuDisplayManager::RemoveGraphicsDevice(const base::FilePath& path) {
   devices_.erase(it);
 }
 
+void DrmGpuDisplayManager::SetGammaRamp(
+    int64_t id,
+    const std::vector<GammaRampRGBEntry>& lut) {
+  DrmDisplaySnapshot* display = FindDisplaySnapshot(id);
+  if (!display) {
+    LOG(ERROR) << "There is no display with ID " << id;
+    return;
+  }
+
+  if (!display->drm()->SetGammaRamp(display->crtc(), lut)) {
+    LOG(ERROR) << "Failed to set gamma ramp for display: crtc_id = "
+               << display->crtc() << " size = " << lut.size();
+  }
+}
+
 DrmDisplaySnapshot* DrmGpuDisplayManager::FindDisplaySnapshot(int64_t id) {
   for (size_t i = 0; i < cached_displays_.size(); ++i)
     if (cached_displays_[i]->display_id() == id)