drm/amdgpu/sdma: add proper CG flags for fiji

We were already enabling these CG features, this uses
the standard interface for doing so.

Acked-by: Tom St Denis <tom.stdenis@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c

@@ -1464,7 +1464,7 @@ static void fiji_update_sdma_medium_grain_clock_gating(
 {
 	uint32_t temp, data;
 
-	if (enable) {
+	if (enable && (adev->cg_flags & AMD_CG_SUPPORT_SDMA_MGCG)) {
 		temp = data = RREG32(mmSDMA0_CLK_CTRL);
 		data &= ~(SDMA0_CLK_CTRL__SOFT_OVERRIDE7_MASK |
 				SDMA0_CLK_CTRL__SOFT_OVERRIDE6_MASK |
@@ -1524,7 +1524,7 @@ static void fiji_update_sdma_medium_grain_light_sleep(
 {
 	uint32_t temp, data;
 
-	if (enable) {
+	if (enable && (adev->cg_flags & AMD_CG_SUPPORT_SDMA_LS)) {
 		temp = data = RREG32(mmSDMA0_POWER_CNTL);
 		data |= SDMA0_POWER_CNTL__MEM_POWER_OVERRIDE_MASK;
 

drivers/gpu/drm/amd/amdgpu/vi.c

@@ -1083,7 +1083,9 @@ static int vi_common_early_init(void *handle)
 			AMD_CG_SUPPORT_GFX_CGTS |
 			AMD_CG_SUPPORT_GFX_CGTS_LS |
 			AMD_CG_SUPPORT_GFX_CGCG |
-			AMD_CG_SUPPORT_GFX_CGLS;
+			AMD_CG_SUPPORT_GFX_CGLS |
+			AMD_CG_SUPPORT_SDMA_MGCG |
+			AMD_CG_SUPPORT_SDMA_LS;
 		adev->pg_flags = 0;
 		adev->external_rev_id = adev->rev_id + 0x3c;
 		break;