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drm/amd/display: Limit NV12 chroma workaround 

[Why]
It is causing green Line at the bottom of SDR 480p
MPO playback

[How]
Limit workaround to vertical > 512

Signed-off-by: Anthony Koo <Anthony.Koo@amd.com>
Reviewed-by: Tony Cheng <Tony.Cheng@amd.com>
Acked-by: Leo Li <sunpeng.li@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Anthony Koo 2019-11-15 14:58:53 -05:00 committed by Alex Deucher
parent 799a5f74d1
commit ddba76274f
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/amd/display/dc/dcn21/dcn21_hubp.c
View File

@ -200,7 +200,7 @@ void hubp21_set_viewport(
* Disable w/a when rotated 180 degrees, causes vertical chroma offset
*/
patched_viewport_height = viewport_c->height;
if (viewport_c->height != 0 && debug->nv12_iflip_vm_wa &&
if (debug->nv12_iflip_vm_wa && viewport_c->height > 512 &&
rotation != ROTATION_ANGLE_180) {
int pte_row_height = 0;
int pte_rows = 0;