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drm/amdgpu/athub2: enable athub2 clock gating

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Enable athub2 clock gating and light sleep

Signed-off-by: Jack Xiao <Jack.Xiao@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Jack Xiao 2019-02-13 18:43:03 +08:00 • committed by Alex Deucher
parent 9faa494e2f
commit 367adb2ad5
5 changed files with 140 additions and 0 deletions
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2
drivers/gpu/drm/amd/include/amd_shared.h
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@ -96,6 +96,8 @@ enum amd_powergating_state {
#define AMD_CG_SUPPORT_HDP_DS (1 << 25)
#define AMD_CG_SUPPORT_HDP_SD (1 << 26)
#define AMD_CG_SUPPORT_IH_CG (1 << 27)
#define AMD_CG_SUPPORT_ATHUB_LS (1 << 28)
#define AMD_CG_SUPPORT_ATHUB_MGCG (1 << 29)
/* PG flags */
#define AMD_PG_SUPPORT_GFX_PG (1 << 0)
#define AMD_PG_SUPPORT_GFX_SMG (1 << 1)