From: Hawking Zhang Date: Wed, 29 Aug 2018 13:18:19 +0000 (+0800) Subject: drm/amdgpu: add new HDP CG flags X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=714ff85251187a459c4eb28120d55b6a88cd2cb3;p=linux.git drm/amdgpu: add new HDP CG flags HDP 5.0 supports SRAM power gating. all the LS (Light Sleep)/ DS (Deep Sleep)/SD (Shut Down) modes are supported. However, only one of these modes can be enabled at one time. There is no dynamic power mode switch support. clock/power gating has to be disabled before making any power mode change. Signed-off-by: Hawking Zhang Reviewed-by: Alex Deucher Signed-off-by: Alex Deucher --- diff --git a/drivers/gpu/drm/amd/include/amd_shared.h b/drivers/gpu/drm/amd/include/amd_shared.h index 574bf6e707636..abf0454b1a9da 100644 --- a/drivers/gpu/drm/amd/include/amd_shared.h +++ b/drivers/gpu/drm/amd/include/amd_shared.h @@ -93,6 +93,8 @@ enum amd_powergating_state { #define AMD_CG_SUPPORT_DRM_MGCG (1 << 22) #define AMD_CG_SUPPORT_DF_MGCG (1 << 23) #define AMD_CG_SUPPORT_VCN_MGCG (1 << 24) +#define AMD_CG_SUPPORT_HDP_DS (1 << 25) +#define AMD_CG_SUPPORT_HDP_SD (1 << 26) /* PG flags */ #define AMD_PG_SUPPORT_GFX_PG (1 << 0) #define AMD_PG_SUPPORT_GFX_SMG (1 << 1)