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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>
This commit is contained in:
Hawking Zhang 2017-06-19 14:39:02 +08:00 committed by Alex Deucher
parent a95890b45f
commit f8386b3521
3 changed files with 3 additions and 1 deletions
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1
drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
View File

@ -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;

2
drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c
View File

@ -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);

1
drivers/gpu/drm/amd/include/amd_shared.h
View File

@ -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 */