drm/amd/display: Disable PG on NV12
authorAlvin Lee <alvin.lee2@amd.com>
Tue, 12 May 2020 21:21:54 +0000 (17:21 -0400)
committerAlex Deucher <alexander.deucher@amd.com>
Thu, 28 May 2020 18:00:50 +0000 (14:00 -0400)
[Why]
HW team request to disable PG on NV12 (fixing missed cases)

[How]
Disable dpp and hubp PG

Signed-off-by: Alvin Lee <alvin.lee2@amd.com>
Reviewed-by: Aric Cyr <Aric.Cyr@amd.com>
Acked-by: Qingqing Zhuo <qingqing.zhuo@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c

index 9992507..4ffdbcb 100644 (file)
@@ -4053,8 +4053,12 @@ static bool dcn20_resource_construct(
        // to be consumed. We could have created dcn20_init_hw to get
        // the same effect by checking ASIC rev, but there was a
        // request at some point to not check ASIC rev on hw sequencer.
-       if (ASICREV_IS_NAVI12_P(dc->ctx->asic_id.hw_internal_rev))
+       if (ASICREV_IS_NAVI12_P(dc->ctx->asic_id.hw_internal_rev)) {
                dc->hwseq->funcs.enable_power_gating_plane = NULL;
+               dc->debug.disable_dpp_power_gate = true;
+               dc->debug.disable_hubp_power_gate = true;
+       }
+
 
        dc->caps.max_planes =  pool->base.pipe_count;