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| author | Rodrigo Siqueira <Rodrigo.Siqueira@amd.com> | 2024-03-26 20:55:19 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2024-04-12 07:35:35 +0300 |
| commit | bc87d666c05a13e6d4ae1ddce41fc43d2567b9a2 (patch) | |
| tree | cba9b1844db660109c33e3c89badc8165e88f37a /drivers/gpu/drm/amd/display/dc/optc | |
| parent | d76c0a23b557c6ebb3fac32548100d76a1e0ce23 (diff) | |
| download | linux-bc87d666c05a13e6d4ae1ddce41fc43d2567b9a2.tar.xz | |
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 <hamza.mahfooz@amd.com>
Signed-off-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/optc')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/optc/dcn10/dcn10_optc.c | 15 |
1 files changed, 12 insertions, 3 deletions
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 f109a101d84f..5574bc628053 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) |