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Commit 0a1bf5fd authored by Alex Deucher's avatar Alex Deucher Committed by Sasha Levin
Browse files

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



[ Upstream commit 49abb26651167c892393cd9f2ad23df429645ed9 ]

Fixes a harmless error message caused by:
51a4726b04e880fdd9b4e0e58b13f70b0a68a7f5

Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Signed-off-by: default avatarSasha Levin <sasha.levin@oracle.com>
parent 84d503cd

drivers/gpu/drm/radeon/radeon.h

+1 −0
Original line number Diff line number Diff line
@@ -1628,6 +1628,7 @@ struct radeon_pm { 
	struct device	        *int_hwmon_dev;

	/* dpm */

	bool                    dpm_enabled;

	bool                    sysfs_initialized;

	struct radeon_dpm       dpm;

};

drivers/gpu/drm/radeon/radeon_pm.c

+21 −14
Original line number Diff line number Diff line
@@ -1390,6 +1390,7 @@ int radeon_pm_late_init(struct radeon_device *rdev) 


	if (rdev->pm.pm_method == PM_METHOD_DPM) {

		if (rdev->pm.dpm_enabled) {

			if (!rdev->pm.sysfs_initialized) {

				ret = device_create_file(rdev->dev, &dev_attr_power_dpm_state);

				if (ret)

					DRM_ERROR("failed to create device file for dpm state\n");
@@ -1403,6 +1404,9 @@ int radeon_pm_late_init(struct radeon_device *rdev) 
				ret = device_create_file(rdev->dev, &dev_attr_power_method);

				if (ret)

					DRM_ERROR("failed to create device file for power method\n");

				if (!ret)

					rdev->pm.sysfs_initialized = true;

			}



			mutex_lock(&rdev->pm.mutex);

			ret = radeon_dpm_late_enable(rdev);
@@ -1418,7 +1422,8 @@ int radeon_pm_late_init(struct radeon_device *rdev) 
			}

		}

	} else {

		if (rdev->pm.num_power_states > 1) {

		if ((rdev->pm.num_power_states > 1) &&

		    (!rdev->pm.sysfs_initialized)) {

			/* where's the best place to put these? */

			ret = device_create_file(rdev->dev, &dev_attr_power_profile);

			if (ret)
@@ -1426,6 +1431,8 @@ int radeon_pm_late_init(struct radeon_device *rdev) 
			ret = device_create_file(rdev->dev, &dev_attr_power_method);

			if (ret)

				DRM_ERROR("failed to create device file for power method\n");

			if (!ret)

				rdev->pm.sysfs_initialized = true;

		}

	}

	return ret;