[PATCH v5 12/13] drm/amd/display: add HDMI 2.1 Compliance Support

[Harry Wentland <harry.wentland@amd.com>]

From: Fangzhi Zuo <Jerry.Zuo@amd.com>

Add force yuv format from igt for compliance test.

Signed-off-by: Fangzhi Zuo <Jerry.Zuo@amd.com>
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
---
 .../gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 16 ++++++++---
 .../gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h |  1 +
 .../amd/display/amdgpu_dm/amdgpu_dm_debugfs.c | 28 +++++++++++++++++++
 3 files changed, 41 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
index 6f7df05202de..f262c63c426e 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -6937,18 +6937,26 @@ static void fill_stream_properties_from_drm_display_mode(
 	timing_out->v_border_bottom = 0;
 	/* TODO: un-hardcode */
 	if (drm_mode_is_420_only(info, mode_in)
-			&& stream->signal == SIGNAL_TYPE_HDMI_TYPE_A)
+			&& (stream->signal == SIGNAL_TYPE_HDMI_TYPE_A ||
+			    stream->signal == SIGNAL_TYPE_HDMI_FRL)
+			&& aconnector
+			&& aconnector->force_yuv_pixel_format == PIXEL_ENCODING_YCBCR420)
 		timing_out->pixel_encoding = PIXEL_ENCODING_YCBCR420;
 	else if (drm_mode_is_420_also(info, mode_in)
 			&& aconnector
-			&& aconnector->force_yuv420_output)
+			&& (aconnector->force_yuv_pixel_format == PIXEL_ENCODING_YCBCR420
+			|| aconnector->force_yuv420_output))
 		timing_out->pixel_encoding = PIXEL_ENCODING_YCBCR420;
 	else if ((connector->display_info.color_formats & DRM_COLOR_FORMAT_YCBCR422)
 			&& aconnector
-			&& aconnector->force_yuv422_output)
+			&& (aconnector->force_yuv_pixel_format == PIXEL_ENCODING_YCBCR422
+			|| aconnector->force_yuv422_output))
 		timing_out->pixel_encoding = PIXEL_ENCODING_YCBCR422;
 	else if ((connector->display_info.color_formats & DRM_COLOR_FORMAT_YCBCR444)
-			&& stream->signal == SIGNAL_TYPE_HDMI_TYPE_A)
+			&& (stream->signal == SIGNAL_TYPE_HDMI_TYPE_A ||
+			    stream->signal == SIGNAL_TYPE_HDMI_FRL)
+			&& aconnector
+			&& aconnector->force_yuv_pixel_format == PIXEL_ENCODING_YCBCR444)
 		timing_out->pixel_encoding = PIXEL_ENCODING_YCBCR444;
 	else
 		timing_out->pixel_encoding = PIXEL_ENCODING_RGB;
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h
index 8af11bfda6fe..d871f7f6b233 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h
@@ -850,6 +850,7 @@ struct amdgpu_dm_connector {
 	bool fake_enable;
 	bool force_yuv420_output;
 	bool force_yuv422_output;
+	uint8_t force_yuv_pixel_format;
 	struct dsc_preferred_settings dsc_settings;
 	struct psr_caps psr_caps;
 	union dp_downstream_port_present mst_downstream_port_present;
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c
index 4e68a3541639..cacb6f63d9fa 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c
@@ -3137,6 +3137,7 @@ static int force_yuv420_output_set(void *data, u64 val)
 	struct amdgpu_dm_connector *connector = data;
 
 	connector->force_yuv420_output = (bool)val;
+	connector->force_yuv_pixel_format = PIXEL_ENCODING_YCBCR420;
 
 	return 0;
 }
@@ -3156,6 +3157,31 @@ static int force_yuv420_output_get(void *data, u64 *val)
 DEFINE_DEBUGFS_ATTRIBUTE(force_yuv420_output_fops, force_yuv420_output_get,
 			 force_yuv420_output_set, "%llu\n");
 
+static int force_yuv422_output_set(void *data, u64 val)
+{
+      struct amdgpu_dm_connector *connector = data;
+
+      connector->force_yuv422_output = (bool)val;
+      connector->force_yuv_pixel_format = PIXEL_ENCODING_YCBCR422;
+
+      return 0;
+}
+
+DEFINE_DEBUGFS_ATTRIBUTE(force_yuv422_output_fops, NULL,
+                       force_yuv422_output_set, "%llu\n");
+
+static int force_yuv444_output_set(void *data, u64 val)
+{
+      struct amdgpu_dm_connector *connector = data;
+
+      connector->force_yuv_pixel_format = PIXEL_ENCODING_YCBCR444;
+
+      return 0;
+}
+
+DEFINE_DEBUGFS_ATTRIBUTE(force_yuv444_output_fops, NULL,
+                       force_yuv444_output_set, "%llu\n");
+
 /*
  *  Read Replay state
  */
@@ -3605,6 +3631,8 @@ static const struct {
 	const struct file_operations *fops;
 } connector_debugfs_entries[] = {
 		{"force_yuv420_output", &force_yuv420_output_fops},
+		{"force_yuv422_output", &force_yuv422_output_fops},
+		{"force_yuv444_output", &force_yuv444_output_fops},
 		{"trigger_hotplug", &trigger_hotplug_debugfs_fops},
 		{"internal_display", &internal_display_fops},
 		{"odm_combine_segments", &odm_combine_segments_fops}
-- 
2.54.0