From: Yihan Zhu <[email protected]> [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 <[email protected]> Acked-by: Zaeem Mohamed <[email protected]> Signed-off-by: Yihan Zhu <[email protected]> --- .../gpu/drm/amd/display/dc/optc/dcn31/dcn31_optc.c | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/drivers/gpu/drm/amd/display/dc/optc/dcn31/dcn31_optc.c b/drivers/gpu/drm/amd/display/dc/optc/dcn31/dcn31_optc.c index de83761edce8..6bbbf313b2bb 100644 --- a/drivers/gpu/drm/amd/display/dc/optc/dcn31/dcn31_optc.c +++ b/drivers/gpu/drm/amd/display/dc/optc/dcn31/dcn31_optc.c @@ -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 */ -- 2.34.1
