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path: root/common/recipes-kernel/linux/files/0490-drm-amdgpu-sdma-add-proper-CG-flags-for-fiji.patch
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From 051b94ccca43562f0ff3038f049906f3e5667060 Mon Sep 17 00:00:00 2001
From: Alex Deucher <alexander.deucher@amd.com>
Date: Fri, 8 Apr 2016 00:42:51 -0400
Subject: [PATCH 0490/1110] 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 | 4 ++--
 drivers/gpu/drm/amd/amdgpu/vi.c        | 4 +++-
 2 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c b/drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c
index 0122624..8727f4a 100644
--- a/drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c
+++ b/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;
 
diff --git a/drivers/gpu/drm/amd/amdgpu/vi.c b/drivers/gpu/drm/amd/amdgpu/vi.c
index 8d9b03f..5759504 100644
--- a/drivers/gpu/drm/amd/amdgpu/vi.c
+++ b/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;
-- 
2.7.4