diff options
| author |   Alvin Lee <Alvin.Lee2@amd.com> | 2022-09-21 12:04:39 -0400 |
|---|---|---|
| committer |   Alex Deucher <alexander.deucher@amd.com> | 2022-09-29 09:41:46 -0400 |
| commit | 047783cdd5f604d87398236beb4971abb4d43293 (patch) | |
| tree | 43f11da0328b91b56fbc7e73afc9cbbcdf5568ca | |
| parent | drm/amd/display: Fix various dynamic ODM transitions on DCN32 (diff) | |
| download | linux-dev-047783cdd5f604d87398236beb4971abb4d43293.tar.xz linux-dev-047783cdd5f604d87398236beb4971abb4d43293.zip | |
drm/amd/display: Only use ODM2:1 policy for high pixel rate displays
We only gain a benefit of using the ODM2:1 dynamic policy if it allow us
to decrease DISPCLK to use the VMIN freq. If the display config can
already achieve VMIN DISPCLK freq without ODM2:1, don't apply the
policy.
Signed-off-by: Alvin Lee <Alvin.Lee2@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dcn32/dcn32_resource.c | 1 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dcn32/dcn32_resource.h | 1 |
2 files changed, 2 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_resource.c b/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_resource.c index b6bf4c74d6bf..05de97ea855f 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_resource.c +++ b/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_resource.c @@ -1872,6 +1872,7 @@ int dcn32_populate_dml_pipes_from_context( context->stream_status[0].plane_count <= 1 && !dc_is_hdmi_signal(res_ctx->pipe_ctx[i].stream->signal) && is_h_timing_divisible_by_2(res_ctx->pipe_ctx[i].stream) && + pipe->stream->timing.pix_clk_100hz * 100 > DCN3_2_VMIN_DISPCLK_HZ && dc->debug.enable_single_display_2to1_odm_policy) { pipes[pipe_cnt].pipe.dest.odm_combine_policy = dm_odm_combine_policy_2to1; } diff --git a/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_resource.h b/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_resource.h index 40e9211eec1e..55945cca2260 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_resource.h +++ b/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_resource.h @@ -37,6 +37,7 @@ #define DCN3_2_MBLK_WIDTH 128 #define DCN3_2_MBLK_HEIGHT_4BPE 128 #define DCN3_2_MBLK_HEIGHT_8BPE 64 +#define DCN3_2_VMIN_DISPCLK_HZ 717000000 #define TO_DCN32_RES_POOL(pool)\ container_of(pool, struct dcn32_resource_pool, base) |