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| author | Rodrigo Siqueira <Rodrigo.Siqueira@amd.com> | 2023-03-24 14:29:52 -0600 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2023-04-18 16:28:52 -0400 |
| commit | e3416e872f84086667df21daf166506fab97358d (patch) | |
| tree | d687d9548e89a2180284931a0ea7871e3505eaac /drivers/gpu/drm/amd/display/dc/dcn30 | |
| parent | cdff36a0217aadf5cbc167893ad1c0da869619cb (diff) | |
| download | linux-stable-e3416e872f84086667df21daf166506fab97358d.tar.gz linux-stable-e3416e872f84086667df21daf166506fab97358d.tar.bz2 linux-stable-e3416e872f84086667df21daf166506fab97358d.zip | |
drm/amd/display: Add FAMS validation before trying to use it
To ensure that FAMS can be used, DC must check if there is VRR support.
This commit adds the required configuration to ensure FAMS can be executed in the target system.
Reviewed-by: Alvin Lee <Alvin.Lee2@amd.com>
Acked-by: Qingqing Zhuo <qingqing.zhuo@amd.com>
Signed-off-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/dcn30')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dcn30/dcn30_optc.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_optc.c b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_optc.c index c95f000b63b2..34b08d90dc1d 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_optc.c +++ b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_optc.c @@ -301,7 +301,12 @@ static void optc3_wait_drr_doublebuffer_pending_clear(struct timing_generator *o void optc3_set_vtotal_min_max(struct timing_generator *optc, int vtotal_min, int vtotal_max) { - optc1_set_vtotal_min_max(optc, vtotal_min, vtotal_max); + struct dc *dc = optc->ctx->dc; + + if (dc->caps.dmub_caps.mclk_sw && !dc->debug.disable_fams) + dc_dmub_srv_drr_update_cmd(dc, optc->inst, vtotal_min, vtotal_max); + else + optc1_set_vtotal_min_max(optc, vtotal_min, vtotal_max); } void optc3_tg_init(struct timing_generator *optc) |