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authorHawking Zhang <Hawking.Zhang@amd.com>2017-06-19 09:39:02 +0300
committerAlex Deucher <alexander.deucher@amd.com>2017-06-29 19:43:46 +0300
commitf8386b3521f2d97bc782c545a9ab1a10ff260d25 (patch)
tree69ba242cb94d47f06ac9e99fbd8e2ac6db1aab7e /drivers/gpu
parenta95890b45fcf982b34a0357793499ed44f15ddd9 (diff)
downloadlinux-f8386b3521f2d97bc782c545a9ab1a10ff260d25.tar.xz
drm/amdgpu: add new flag AMD_PG_SUPPORT_MMHUB
Signed-off-by: Hawking Zhang <Hawking.Zhang@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c1
-rw-r--r--drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c2
-rw-r--r--drivers/gpu/drm/amd/include/amd_shared.h1
3 files changed, 3 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
index 3392bd48c6e4..175ba5f9691c 100644
--- a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
@@ -698,6 +698,7 @@ static int gmc_v9_0_gart_enable(struct amdgpu_device *adev)
switch (adev->asic_type) {
case CHIP_RAVEN:
mmhub_v1_0_initialize_power_gating(adev);
+ mmhub_v1_0_update_power_gating(adev, true);
break;
default:
break;
diff --git a/drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c b/drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c
index c885c0d9344b..9804318f3488 100644
--- a/drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c
@@ -426,7 +426,7 @@ void mmhub_v1_0_update_power_gating(struct amdgpu_device *adev,
pctl0_reng_execute = RREG32_SOC15(MMHUB, 0, mmPCTL0_RENG_EXECUTE);
pctl1_reng_execute = RREG32_SOC15(MMHUB, 0, mmPCTL1_RENG_EXECUTE);
- if (enable) {
+ if (enable && adev->pg_flags & AMD_PG_SUPPORT_MMHUB) {
pctl0_reng_execute = REG_SET_FIELD(pctl0_reng_execute,
PCTL0_RENG_EXECUTE,
RENG_EXECUTE_ON_PWR_UP, 1);
diff --git a/drivers/gpu/drm/amd/include/amd_shared.h b/drivers/gpu/drm/amd/include/amd_shared.h
index beb2a81ab7da..70e8c20acb2f 100644
--- a/drivers/gpu/drm/amd/include/amd_shared.h
+++ b/drivers/gpu/drm/amd/include/amd_shared.h
@@ -184,6 +184,7 @@ enum amd_fan_ctrl_mode {
#define AMD_PG_SUPPORT_SAMU (1 << 10)
#define AMD_PG_SUPPORT_GFX_QUICK_MG (1 << 11)
#define AMD_PG_SUPPORT_GFX_PIPELINE (1 << 12)
+#define AMD_PG_SUPPORT_MMHUB (1 << 13)
enum amd_pm_state_type {
/* not used for dpm */