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drm/amd/display: fix chroma vp wa corner case

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[Why]
Previous implementation we may have residual chroma address offset
if transition from wa enable -> wa disable.

[How]
Clear address offset cache when viewport updates. Also update the
vp size check condition to account for rotation angle

Signed-off-by: Eric Yang <Eric.Yang2@amd.com>
Reviewed-by: Tony Cheng <Tony.Cheng@amd.com>
Acked-by: Harry Wentland <harry.wentland@amd.com>
Acked-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Eric Yang 2019-12-09 16:18:21 -05:00 committed by Alex Deucher
parent 30221e6217
commit 93a8955b10
1 changed files with 13 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

16
drivers/gpu/drm/amd/display/dc/dcn21/dcn21_hubp.c
View File

@ -251,10 +251,20 @@ static void hubp21_apply_PLAT_54186_wa(
ROTATION_ANGLE, &rotation_angle,
H_MIRROR_EN, &h_mirror_en);
/* apply wa only for NV12 surface with scatter gather enabled with view port > 512 */
/* reset persistent cached data */
hubp21->PLAT_54186_wa_chroma_addr_offset = 0;
/* apply wa only for NV12 surface with scatter gather enabled with viewport > 512 along
* the vertical direction*/
if (address->type != PLN_ADDR_TYPE_VIDEO_PROGRESSIVE ||
address->video_progressive.luma_addr.high_part == 0xf4
|| viewport_c_height <= 512)
address->video_progressive.luma_addr.high_part == 0xf4)
return;
if ((rotation_angle == 0 || rotation_angle == 180)
&& viewport_c_height <= 512)
return;
if ((rotation_angle == 90 || rotation_angle == 270)
&& viewport_c_width <= 512)
return;
switch (rotation_angle) {