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From 0d1a14aa1a603979cfa19b8e28822f53b5292133 Mon Sep 17 00:00:00 2001
From: Alex Deucher <alexander.deucher@amd.com>
Date: Fri, 8 Apr 2016 01:01:18 -0400
Subject: [PATCH 0492/1110] drm/amdgpu/gmc: 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/gmc_v8_0.c | 8 ++++----
drivers/gpu/drm/amd/amdgpu/vi.c | 4 +++-
2 files changed, 7 insertions(+), 5 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c
index bb254f1..9fbce45 100644
--- a/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c
@@ -1310,11 +1310,11 @@ static int gmc_v8_0_process_interrupt(struct amdgpu_device *adev,
}
static void fiji_update_mc_medium_grain_clock_gating(struct amdgpu_device *adev,
- bool enable)
+ bool enable)
{
uint32_t data;
- if (enable) {
+ if (enable && (adev->cg_flags & AMD_CG_SUPPORT_MC_MGCG)) {
data = RREG32(mmMC_HUB_MISC_HUB_CG);
data |= MC_HUB_MISC_HUB_CG__ENABLE_MASK;
WREG32(mmMC_HUB_MISC_HUB_CG, data);
@@ -1390,11 +1390,11 @@ static void fiji_update_mc_medium_grain_clock_gating(struct amdgpu_device *adev,
}
static void fiji_update_mc_light_sleep(struct amdgpu_device *adev,
- bool enable)
+ bool enable)
{
uint32_t data;
- if (enable) {
+ if (enable && (adev->cg_flags & AMD_CG_SUPPORT_MC_LS)) {
data = RREG32(mmMC_HUB_MISC_HUB_CG);
data |= MC_HUB_MISC_HUB_CG__MEM_LS_ENABLE_MASK;
WREG32(mmMC_HUB_MISC_HUB_CG, data);
diff --git a/drivers/gpu/drm/amd/amdgpu/vi.c b/drivers/gpu/drm/amd/amdgpu/vi.c
index ea9edf4..16b2a29 100644
--- a/drivers/gpu/drm/amd/amdgpu/vi.c
+++ b/drivers/gpu/drm/amd/amdgpu/vi.c
@@ -1089,7 +1089,9 @@ static int vi_common_early_init(void *handle)
AMD_CG_SUPPORT_BIF_LS |
AMD_CG_SUPPORT_HDP_MGCG |
AMD_CG_SUPPORT_HDP_LS |
- AMD_CG_SUPPORT_ROM_MGCG;
+ AMD_CG_SUPPORT_ROM_MGCG |
+ AMD_CG_SUPPORT_MC_MGCG |
+ AMD_CG_SUPPORT_MC_LS;
adev->pg_flags = 0;
adev->external_rev_id = adev->rev_id + 0x3c;
break;
--
2.7.4
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