From: Rodrigo Siqueira Date: Tue, 26 Mar 2024 17:55:19 +0000 (-0600) Subject: drm/amd/display: Add fallback configuration for set DRR in DCN10 X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=bc87d666c05a13e6d4ae1ddce41fc43d2567b9a2;p=linux.git drm/amd/display: Add fallback configuration for set DRR in DCN10 Set OTG/OPTC parameters to 0 if something goes wrong on DCN10. Acked-by: Hamza Mahfooz Signed-off-by: Rodrigo Siqueira Signed-off-by: Alex Deucher --- diff --git a/drivers/gpu/drm/amd/display/dc/optc/dcn10/dcn10_optc.c b/drivers/gpu/drm/amd/display/dc/optc/dcn10/dcn10_optc.c index f109a101d84f3..5574bc628053c 100644 --- a/drivers/gpu/drm/amd/display/dc/optc/dcn10/dcn10_optc.c +++ b/drivers/gpu/drm/amd/display/dc/optc/dcn10/dcn10_optc.c @@ -945,10 +945,19 @@ void optc1_set_drr( OTG_FORCE_LOCK_ON_EVENT, 0, OTG_SET_V_TOTAL_MIN_MASK_EN, 0, OTG_SET_V_TOTAL_MIN_MASK, 0); - } - // Setup manual flow control for EOF via TRIG_A - optc->funcs->setup_manual_trigger(optc); + // Setup manual flow control for EOF via TRIG_A + optc->funcs->setup_manual_trigger(optc); + + } else { + REG_UPDATE_4(OTG_V_TOTAL_CONTROL, + OTG_SET_V_TOTAL_MIN_MASK, 0, + OTG_V_TOTAL_MIN_SEL, 0, + OTG_V_TOTAL_MAX_SEL, 0, + OTG_FORCE_LOCK_ON_EVENT, 0); + + optc->funcs->set_vtotal_min_max(optc, 0, 0); + } } void optc1_set_vtotal_min_max(struct timing_generator *optc, int vtotal_min, int vtotal_max)