drm/amdgpu: add JPEG PG and CG interface

From JPEG2.0, it will use its own PG/CG
Signed-off-by: Leo Liu <leo.liu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/include/amd_shared.h

@@ -100,6 +100,7 @@ enum amd_powergating_state {
 #define AMD_CG_SUPPORT_IH_CG			(1 << 27)
 #define AMD_CG_SUPPORT_ATHUB_LS			(1 << 28)
 #define AMD_CG_SUPPORT_ATHUB_MGCG		(1 << 29)
+#define AMD_CG_SUPPORT_JPEG_MGCG		(1 << 30)
 /* PG flags */
 #define AMD_PG_SUPPORT_GFX_PG			(1 << 0)
 #define AMD_PG_SUPPORT_GFX_SMG			(1 << 1)
@@ -118,6 +119,7 @@ enum amd_powergating_state {
 #define AMD_PG_SUPPORT_VCN			(1 << 14)
 #define AMD_PG_SUPPORT_VCN_DPG			(1 << 15)
 #define AMD_PG_SUPPORT_ATHUB			(1 << 16)
+#define AMD_PG_SUPPORT_JPEG			(1 << 17)
 
 enum PP_FEATURE_MASK {
 	PP_SCLK_DPM_MASK = 0x1,