Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
drm/amd/display: Modify Vmin default value
Fine tune the Vmin clock value
Reviewed-by: Robin Chen <robin.chen@amd.com>
Acked-by: Tom Chung <chiahsuan.chung@amd.com>
Signed-off-by: Max Tseng <max.tseng@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
authored by
Max Tseng
and committed by
Alex Deucher
3557db42
776ecb46
+8
-2
+1
-1
drivers/gpu/drm/amd/display/dc/dcn314/dcn314_resource.c
+1
-1
drivers/gpu/drm/amd/display/dc/dcn314/dcn314_resource.c
···
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dc->caps.color.mpc.ogam_rom_caps.hlg = 0;
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dc->caps.color.mpc.ocsc = 1;
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-
dc->caps.max_disp_clock_khz_at_vmin = 694000;
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dc->caps.max_disp_clock_khz_at_vmin = 650000;
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/* Use pipe context based otg sync logic */
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dc->config.use_pipe_ctx_sync_logic = true;
+7
-1
drivers/gpu/drm/amd/display/dc/dcn35/dcn35_resource.c
+7
-1
drivers/gpu/drm/amd/display/dc/dcn35/dcn35_resource.c
···
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dc->caps.color.mpc.ogam_rom_caps.hlg = 0;
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dc->caps.color.mpc.ocsc = 1;
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-
dc->caps.max_disp_clock_khz_at_vmin = 669154;
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+
/* max_disp_clock_khz_at_vmin is slightly lower than the STA value in order
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+
* to provide some margin.
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* It's expected for furture ASIC to have equal or higher value, in order to
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* have determinstic power improvement from generate to genration.
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* (i.e., we should not expect new ASIC generation with lower vmin rate)
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*/
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dc->caps.max_disp_clock_khz_at_vmin = 650000;
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/* Use pipe context based otg sync logic */
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dc->config.use_pipe_ctx_sync_logic = true;