diff options
| author | Eric Huang <JinHuiEric.Huang@amd.com> | 2016-05-19 22:46:10 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2016-07-07 21:50:48 +0300 |
| commit | 8b2e574dc4bf18e86bc09bd15215a2d62a3008ee (patch) | |
| tree | c4b49f43221b0086f62984bd97cdbc51a6979bd0 /drivers/gpu/drm | |
| parent | c85e299ff9a14fe43160fd8caada383d622354a1 (diff) | |
| download | linux-8b2e574dc4bf18e86bc09bd15215a2d62a3008ee.tar.xz | |
drm/amdgpu: add the new common pm code to support sclk OD
This extends OD (OverDrive) support to the non-Powerplay code paths.
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Eric Huang <JinHuiEric.Huang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu.h | 2 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c | 24 |
2 files changed, 17 insertions, 9 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h index 5252580621bc..aeec288b572a 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h @@ -1562,6 +1562,8 @@ struct amdgpu_dpm_funcs { int (*get_fan_speed_percent)(struct amdgpu_device *adev, u32 *speed); int (*force_clock_level)(struct amdgpu_device *adev, enum pp_clock_type type, uint32_t mask); int (*print_clock_levels)(struct amdgpu_device *adev, enum pp_clock_type type, char *buf); + int (*get_sclk_od)(struct amdgpu_device *adev); + int (*set_sclk_od)(struct amdgpu_device *adev, uint32_t value); }; struct amdgpu_dpm { diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c index 5ad2e7926328..d6484d6e60dd 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c @@ -491,6 +491,8 @@ static ssize_t amdgpu_get_pp_sclk_od(struct device *dev, if (adev->pp_enabled) value = amdgpu_dpm_get_sclk_od(adev); + else if (adev->pm.funcs->get_sclk_od) + value = adev->pm.funcs->get_sclk_od(adev); return snprintf(buf, PAGE_SIZE, "%d\n", value); } @@ -512,10 +514,14 @@ static ssize_t amdgpu_set_pp_sclk_od(struct device *dev, goto fail; } - if (adev->pp_enabled) + if (adev->pp_enabled) { amdgpu_dpm_set_sclk_od(adev, (uint32_t)value); - - amdgpu_dpm_dispatch_task(adev, AMD_PP_EVENT_READJUST_POWER_STATE, NULL, NULL); + amdgpu_dpm_dispatch_task(adev, AMD_PP_EVENT_READJUST_POWER_STATE, NULL, NULL); + } else if (adev->pm.funcs->set_sclk_od) { + adev->pm.funcs->set_sclk_od(adev, (uint32_t)value); + adev->pm.dpm.current_ps = adev->pm.dpm.boot_ps; + amdgpu_pm_compute_clocks(adev); + } fail: return count; @@ -1163,11 +1169,6 @@ int amdgpu_pm_sysfs_init(struct amdgpu_device *adev) DRM_ERROR("failed to create device file pp_table\n"); return ret; } - ret = device_create_file(adev->dev, &dev_attr_pp_sclk_od); - if (ret) { - DRM_ERROR("failed to create device file pp_sclk_od\n"); - return ret; - } } ret = device_create_file(adev->dev, &dev_attr_pp_dpm_sclk); @@ -1185,6 +1186,11 @@ int amdgpu_pm_sysfs_init(struct amdgpu_device *adev) DRM_ERROR("failed to create device file pp_dpm_pcie\n"); return ret; } + ret = device_create_file(adev->dev, &dev_attr_pp_sclk_od); + if (ret) { + DRM_ERROR("failed to create device file pp_sclk_od\n"); + return ret; + } ret = amdgpu_debugfs_pm_init(adev); if (ret) { @@ -1208,11 +1214,11 @@ void amdgpu_pm_sysfs_fini(struct amdgpu_device *adev) device_remove_file(adev->dev, &dev_attr_pp_cur_state); device_remove_file(adev->dev, &dev_attr_pp_force_state); device_remove_file(adev->dev, &dev_attr_pp_table); - device_remove_file(adev->dev, &dev_attr_pp_sclk_od); } device_remove_file(adev->dev, &dev_attr_pp_dpm_sclk); device_remove_file(adev->dev, &dev_attr_pp_dpm_mclk); device_remove_file(adev->dev, &dev_attr_pp_dpm_pcie); + device_remove_file(adev->dev, &dev_attr_pp_sclk_od); } void amdgpu_pm_compute_clocks(struct amdgpu_device *adev) |