Commit 1352c779 authored by Nicholas Kazlauskas's avatar Nicholas Kazlauskas Committed by Alex Deucher

drm/amd/display: Fill prescale_params->scale for RGB565

[Why]
An assertion is thrown when using SURFACE_PIXEL_FORMAT_GRPH_RGB565
formats on DCE since the prescale_params->scale wasn't being filled.

Found by a dmesg-fail when running the
igt@kms_plane@pixel-format-pipe-a-planes test on Baffin.

[How]
Fill in the scale parameter.
Signed-off-by: default avatarNicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Reviewed-by: default avatarRoman Li <Roman.Li@amd.com>
Acked-by: default avatarBhawanpreet Lakha <Bhawanpreet.Lakha@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent efa02336
......@@ -242,6 +242,9 @@ static void build_prescale_params(struct ipp_prescale_params *prescale_params,
prescale_params->mode = IPP_PRESCALE_MODE_FIXED_UNSIGNED;
switch (plane_state->format) {
case SURFACE_PIXEL_FORMAT_GRPH_RGB565:
prescale_params->scale = 0x2082;
break;
case SURFACE_PIXEL_FORMAT_GRPH_ARGB8888:
case SURFACE_PIXEL_FORMAT_GRPH_ABGR8888:
prescale_params->scale = 0x2020;
......
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