- if (adev->powerplay.pp_funcs->powergate_mmhub)
- amdgpu_dpm_powergate_mmhub(adev);
+ if (adev->powerplay.pp_funcs->set_powergating_by_smu)
+ amdgpu_dpm_set_powergating_by_smu(adev,
AMD_IP_BLOCK_TYPE_GMC, 0);
Move this change to patch3.
________________________________
From: amd-gfx <amd-gfx-boun...@lists.freedesktop.org> on behalf of Rex Zhu
<rex....@amd.com>
Sent: Wednesday, June 13, 2018 7:18 PM
To: amd-gfx@lists.freedesktop.org
Cc: Zhu, Rex
Subject: [PATCH 4/7] drm/amd/pp: Add gfx pg support in smu through
set_powergating_by_smu
gfx ip block can call set_powergating_by_smu to set gfx pg state if
necessary.
Signed-off-by: Rex Zhu <rex....@amd.com>
---
drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c | 10 ++++------
drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c | 4 ++--
drivers/gpu/drm/amd/powerplay/amd_powerplay.c | 16 ++++++++++++++++
3 files changed, 22 insertions(+), 8 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
index 807ee0d..916776a 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
@@ -5591,14 +5591,12 @@ static int gfx_v8_0_late_init(void *handle)
static void gfx_v8_0_enable_gfx_static_mg_power_gating(struct amdgpu_device
*adev,
bool enable)
{
- if ((adev->asic_type == CHIP_POLARIS11) ||
+ if (((adev->asic_type == CHIP_POLARIS11) ||
(adev->asic_type == CHIP_POLARIS12) ||
- (adev->asic_type == CHIP_VEGAM))
+ (adev->asic_type == CHIP_VEGAM)) &&
+ adev->powerplay.pp_funcs->set_powergating_by_smu)
/* Send msg to SMU via Powerplay */
- amdgpu_device_ip_set_powergating_state(adev,
- AMD_IP_BLOCK_TYPE_SMC,
- enable ?
- AMD_PG_STATE_GATE :
AMD_PG_STATE_UNGATE);
+ amdgpu_dpm_set_powergating_by_smu(adev, AMD_IP_BLOCK_TYPE_GFX,
enable);
WREG32_FIELD(RLC_PG_CNTL, STATIC_PER_CU_PG_ENABLE, enable ? 1 : 0);
}
diff --git a/drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c
b/drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c
index 377f536..85cf2f9 100644
--- a/drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c
@@ -471,8 +471,8 @@ void mmhub_v1_0_update_power_gating(struct amdgpu_device
*adev,
RENG_EXECUTE_ON_REG_UPDATE, 1);
WREG32_SOC15(MMHUB, 0, mmPCTL1_RENG_EXECUTE,
pctl1_reng_execute);
- if (adev->powerplay.pp_funcs->powergate_mmhub)
- amdgpu_dpm_powergate_mmhub(adev);
+ if (adev->powerplay.pp_funcs->set_powergating_by_smu)
+ amdgpu_dpm_set_powergating_by_smu(adev,
AMD_IP_BLOCK_TYPE_GMC, 0);
} else {
pctl0_reng_execute = REG_SET_FIELD(pctl0_reng_execute,
diff --git a/drivers/gpu/drm/amd/powerplay/amd_powerplay.c
b/drivers/gpu/drm/amd/powerplay/amd_powerplay.c
index f68551f..cb2dd7c 100644
--- a/drivers/gpu/drm/amd/powerplay/amd_powerplay.c
+++ b/drivers/gpu/drm/amd/powerplay/amd_powerplay.c
@@ -1184,6 +1184,21 @@ static int pp_dpm_powergate_mmhub(void *handle)
return hwmgr->hwmgr_func->powergate_mmhub(hwmgr);
}
+static int pp_dpm_powergate_gfx(void *handle, bool gate)
+{
+ struct pp_hwmgr *hwmgr = handle;
+
+ if (!hwmgr || !hwmgr->pm_en)
+ return 0;
+
+ if (hwmgr->hwmgr_func->powergate_gfx == NULL) {
+ pr_info("%s was not implemented.\n", __func__);
+ return 0;
+ }
+
+ return hwmgr->hwmgr_func->powergate_gfx(hwmgr, gate);
+}
+
static int pp_set_powergating_by_smu(void *handle,
uint32_t block_type, bool gate)
{
@@ -1201,6 +1216,7 @@ static int pp_set_powergating_by_smu(void *handle,
pp_dpm_powergate_mmhub(handle);
break;
case AMD_IP_BLOCK_TYPE_GFX:
+ ret = pp_dpm_powergate_gfx(handle, gate);
break;
default:
break;
--
1.9.1
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