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drm/radeon: add pm sysfs files late

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They were added relatively early in the driver init process
which meant that in some cases the driver was not finished
initializing before external tools tried to use them which
could result in a crash depending on the timing.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
This commit is contained in:
Alex Deucher
2015-09-30 16:45:52 -04:00
parent ccf03d6995
commit 51a4726b04
2 changed files with 40 additions and 37 deletions
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14
drivers/gpu/drm/radeon/radeon_display.c
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@@ -1633,18 +1633,8 @@ int radeon_modeset_init(struct radeon_device *rdev)
radeon_fbdev_init(rdev);
drm_kms_helper_poll_init(rdev->ddev);
if (rdev->pm.dpm_enabled) {
/* do dpm late init */
ret = radeon_pm_late_init(rdev);
if (ret) {
rdev->pm.dpm_enabled = false;
DRM_ERROR("radeon_pm_late_init failed, disabling dpm\n");
}
/* set the dpm state for PX since there won't be
* a modeset to call this.
*/
radeon_pm_compute_clocks(rdev);
}
/* do pm late init */
ret = radeon_pm_late_init(rdev);
return 0;
}