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drm/amdgpu: don't try to recreate sysfs entries on resume

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Fixes an error on resume caused by:
fa022a9b65

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
This commit is contained in:
Alex Deucher 2015-10-23 10:45:14 -04:00
parent 49abb26651
commit c86f5ebfbd
2 changed files with 6 additions and 0 deletions
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1
drivers/gpu/drm/amd/amdgpu/amdgpu.h
View file

@ -1654,6 +1654,7 @@ struct amdgpu_pm {
u8 fan_max_rpm; u8 fan_max_rpm;
/* dpm */ /* dpm */
bool dpm_enabled; bool dpm_enabled;
bool sysfs_initialized;
struct amdgpu_dpm dpm; struct amdgpu_dpm dpm;
const struct firmware *fw; /* SMC firmware */ const struct firmware *fw; /* SMC firmware */
uint32_t fw_version; uint32_t fw_version;

5
drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
View file

@ -695,6 +695,9 @@ int amdgpu_pm_sysfs_init(struct amdgpu_device *adev)
{ {
int ret; int ret;
if (adev->pm.sysfs_initialized)
return 0;
if (adev->pm.funcs->get_temperature == NULL) if (adev->pm.funcs->get_temperature == NULL)
return 0; return 0;
adev->pm.int_hwmon_dev = hwmon_device_register_with_groups(adev->dev, adev->pm.int_hwmon_dev = hwmon_device_register_with_groups(adev->dev,
@ -723,6 +726,8 @@ int amdgpu_pm_sysfs_init(struct amdgpu_device *adev)
return ret; return ret;
} }
adev->pm.sysfs_initialized = true;
return 0; return 0;
} }