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drm/amd/display: Read down-spread percentage from lut to adjust dprefclk.
authorMartin Tsai <martin.tsai@amd.com>
Thu, 13 Jul 2023 01:54:51 +0000 (09:54 +0800)
committerAlex Deucher <alexander.deucher@amd.com>
Tue, 25 Jul 2023 17:39:59 +0000 (13:39 -0400)
commit6917b0b711713b9d84d7e0844e9aa613997a51b2
treeb615598ce4bdf42f5531ce157428a2eb81c894f5
parent95aafbc1a567ef027a5805f759dca7c942980616
drm/amd/display: Read down-spread percentage from lut to adjust dprefclk.

[Why]
Panels show corruption with high refresh rate timings when
ss is enabled.

[How]
Read down-spread percentage from lut to adjust dprefclk.

Reviewed-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Acked-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: Martin Tsai <martin.tsai@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drivers/gpu/drm/amd/display/dc/clk_mgr/dcn314/dcn314_clk_mgr.c
drivers/gpu/drm/amd/display/dc/clk_mgr/dcn314/dcn314_clk_mgr.h