Commit a8783042 authored by Yihan Zhu's avatar Yihan Zhu Committed by Alex Deucher
Browse files

drm/amd/display: bypass ODM before CRTC off 



[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: default avatarDmytro Laktyushkin <dmytro.laktyushkin@amd.com>
Acked-by: default avatarZaeem Mohamed <zaeem.mohamed@amd.com>
Signed-off-by: default avatarYihan Zhu <yihan.zhu@amd.com>
Tested-by: default avatarDaniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 91efe6de

drivers/gpu/drm/amd/display/dc/optc/dcn31/dcn31_optc.c

+11 −0
Original line number Diff line number Diff line
@@ -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

	 */