From d99f38aed1a03f78cb7ae04d86e7fc5ac70411e3 Mon Sep 17 00:00:00 2001 From: Alex Deucher Date: Thu, 22 Aug 2019 14:17:57 -0500 Subject: drm/amdgpu/display: add flag for multi-display mclk switching Add a dcfeaturemask flag for mclk switching. Disable by default; enable once the feature has seen more testing. Set amdgpu.dcfeaturemask=2 on the kernel command line in grub to enable this. Acked-by: Evan Quan Reviewed-by: Nicholas Kazlauskas Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/include/amd_shared.h | 1 + 1 file changed, 1 insertion(+) (limited to 'drivers/gpu/drm/amd/include/amd_shared.h') diff --git a/drivers/gpu/drm/amd/include/amd_shared.h b/drivers/gpu/drm/amd/include/amd_shared.h index a0a7211438f2..8889aaceec60 100644 --- a/drivers/gpu/drm/amd/include/amd_shared.h +++ b/drivers/gpu/drm/amd/include/amd_shared.h @@ -142,6 +142,7 @@ enum PP_FEATURE_MASK { enum DC_FEATURE_MASK { DC_FBC_MASK = 0x1, + DC_MULTI_MON_PP_MCLK_SWITCH_MASK = 0x2, }; enum amd_dpm_forced_level; -- cgit v1.2.3