From 77a2b7265f20ee827e527eaa6f82b87e88388947 Mon Sep 17 00:00:00 2001 From: Vladimir Stempen Date: Tue, 29 Dec 2020 15:01:12 -0500 Subject: drm/amd/display: Synchronize displays with different timings [why] Vendor based fan noise improvement [how] Report timing synchronizable when DP streams time frame difference is less than 0.05 percent. Adjust DP DTOs and sync displays using MASTER_UPDATE_LOCK_DB_X_Y Signed-off-by: Vladimir Stempen Acked-by: Bindu Ramamurthy Tested-by: Daniel Wheeler Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/display/dc/inc/clock_source.h | 5 +++++ 1 file changed, 5 insertions(+) (limited to 'drivers/gpu/drm/amd/display/dc/inc/clock_source.h') diff --git a/drivers/gpu/drm/amd/display/dc/inc/clock_source.h b/drivers/gpu/drm/amd/display/dc/inc/clock_source.h index 1b01a9a58d14..e2b3a2c7a927 100644 --- a/drivers/gpu/drm/amd/display/dc/inc/clock_source.h +++ b/drivers/gpu/drm/amd/display/dc/inc/clock_source.h @@ -170,6 +170,11 @@ struct clock_source_funcs { const struct clock_source *clock_source, unsigned int inst, unsigned int *pixel_clk_khz); + bool (*override_dp_pix_clk)( + struct clock_source *clock_source, + unsigned int inst, + unsigned int pixel_clk, + unsigned int ref_clk); }; struct clock_source { -- cgit