drm/amd/display: Calculate output_color_space after pixel encoding adjustment

commit 79601b894849cb6f6d6122e6590f1887ac4a66b3 upstream.

Code in get_output_color_space depends on knowing the pixel encoding to
determine whether to pick between eg. COLOR_SPACE_SRGB or
COLOR_SPACE_YCBCR709 for transparent RGB -> YCbCr 4:4:4 in the driver.

v2: Fixed patch being accidentally based on a personal feature branch, oops!

Fixes: ea117312ea9f ("drm/amd/display: Reduce HDMI pixel encoding if max clock is exceeded")
Reviewed-by: Melissa Wen <mwen@igalia.com>
Signed-off-by: Joshua Ashton <joshua@froggi.es>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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 855d89e..958dbea 100644 (file)
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -5283,8 +5283,6 @@ static void fill_stream_properties_from_drm_display_mode(
 
        timing_out->aspect_ratio = get_aspect_ratio(mode_in);
 
-       stream->output_color_space = get_output_color_space(timing_out);
-
        stream->out_transfer_func->type = TF_TYPE_PREDEFINED;
        stream->out_transfer_func->tf = TRANSFER_FUNCTION_SRGB;
        if (stream->signal == SIGNAL_TYPE_HDMI_TYPE_A) {
@@ -5295,6 +5293,8 @@ static void fill_stream_properties_from_drm_display_mode(
                        adjust_colour_depth_from_display_info(timing_out, info);
                }
        }
+
+       stream->output_color_space = get_output_color_space(timing_out);
 }
 
 static void fill_audio_info(struct audio_info *audio_info,