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drm/amd/display: For ODM seamless transition require AUTO mode

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[Why & How]
ODM seamless transitions require DIV_MODE_AUTO. However,
DIV_MODE_AUTO only works when all the horizontal timing params
are divisible by the ODM combine factor. Therefore, disable the
ODM 2:1 policy when the horizontal timing params are not divisible
by 2.

Reviewed-by: Jun Lei <Jun.Lei@amd.com>
Acked-by: Wayne Lin <wayne.lin@amd.com>
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>
This commit is contained in:
Alvin Lee
2022-09-01 18:40:32 -04:00
committed by Alex Deucher
parent cc67aae1e3
commit 6349c73859
3 changed files with 26 additions and 1 deletions
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2
drivers/gpu/drm/amd/display/dc/inc/resource.h
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@@ -224,4 +224,6 @@ uint8_t resource_transmitter_to_phy_idx(const struct dc *dc, enum transmitter tr
const struct link_hwss *get_link_hwss(const struct dc_link *link,
const struct link_resource *link_res);
bool is_h_timing_divisible_by_2(struct dc_stream_state *stream);
#endif /* DRIVERS_GPU_DRM_AMD_DC_DEV_DC_INC_RESOURCE_H_ */