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drm/amd/display: bypass ODM before CRTC off

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[WHY]
OPPs couldn't disconnect from the ODM that cause the double buffer pending not being latched due to missing VUPDATE.

[HOW]
Moving memory blanking before OTG turn off to make sure double buffer latched correctly.

Reviewed-by: Dmytro Laktyushkin <dmytro.laktyushkin@amd.com>
Acked-by: Zaeem Mohamed <zaeem.mohamed@amd.com>
Signed-off-by: Yihan Zhu <yihan.zhu@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Yihan Zhu 2024-05-17 08:55:44 -04:00 committed by Alex Deucher
parent 91efe6de70
commit a878304276
1 changed files with 11 additions and 0 deletions
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11
drivers/gpu/drm/amd/display/dc/optc/dcn31/dcn31_optc.c
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@ -121,6 +121,17 @@ static bool optc31_enable_crtc(struct timing_generator *optc)
static bool optc31_disable_crtc(struct timing_generator *optc)
{
struct optc *optc1 = DCN10TG_FROM_TG(optc);
REG_UPDATE_5(OPTC_DATA_SOURCE_SELECT,
OPTC_SEG0_SRC_SEL, 0xf,
OPTC_SEG1_SRC_SEL, 0xf,
OPTC_SEG2_SRC_SEL, 0xf,
OPTC_SEG3_SRC_SEL, 0xf,
OPTC_NUM_OF_INPUT_SEGMENT, 0);
REG_UPDATE(OPTC_MEMORY_CONFIG,
OPTC_MEM_SEL, 0);
/* disable otg request until end of the first line
* in the vertical blank region
*/