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authorDaniel Vetter <daniel.vetter@ffwll.ch>2015-09-23 21:26:45 +0300
committerAlex Deucher <alexander.deucher@amd.com>2015-09-24 00:23:46 +0300
commit6adaed5bfe4f6f0a0e027e87d5dd80bd9834d5f0 (patch)
treeab1b17cea83faf55d9d1af406180c24a4b1df6f7 /drivers/gpu/drm/radeon/radeon_device.c
parent5c3422b0b135b46c8dca9c1d909c1ae84f3561bd (diff)
downloadlinux-6adaed5bfe4f6f0a0e027e87d5dd80bd9834d5f0.tar.xz
drm/radeon: Sprinkle drm_modeset_lock_all to appease locking checks
In commit 7a3f3d6667f5f9ffd1517f6b21d64bbf5312042c Author: Daniel Vetter <daniel.vetter@ffwll.ch> Date: Thu Jul 9 23:44:28 2015 +0200 drm: Check locking in drm_for_each_connector I added locking checks to drm_for_each_connector but failed that through drm_helper_connector_dpms -> drm_helper_choose_encoder_dpms it's used in a few more places in the radeon resume/suspend code. Fix them up. Note that we could use the connector iterator macros in there too, but that's for the future. Reported-and-tested-by: Borislav Petkov <bp@alien8.de> Cc: Borislav Petkov <bp@alien8.de> Cc: Alex Deucher <alexdeucher@gmail.com> Signed-off-by: Daniel Vetter <daniel.vetter@intel.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_device.c')
-rw-r--r--drivers/gpu/drm/radeon/radeon_device.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_device.c b/drivers/gpu/drm/radeon/radeon_device.c
index d8319dae8358..f3f562f6d848 100644
--- a/drivers/gpu/drm/radeon/radeon_device.c
+++ b/drivers/gpu/drm/radeon/radeon_device.c
@@ -1573,10 +1573,12 @@ int radeon_suspend_kms(struct drm_device *dev, bool suspend, bool fbcon)
drm_kms_helper_poll_disable(dev);
+ drm_modeset_lock_all(dev);
/* turn off display hw */
list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
drm_helper_connector_dpms(connector, DRM_MODE_DPMS_OFF);
}
+ drm_modeset_unlock_all(dev);
/* unpin the front buffers and cursors */
list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
@@ -1734,9 +1736,11 @@ int radeon_resume_kms(struct drm_device *dev, bool resume, bool fbcon)
if (fbcon) {
drm_helper_resume_force_mode(dev);
/* turn on display hw */
+ drm_modeset_lock_all(dev);
list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
drm_helper_connector_dpms(connector, DRM_MODE_DPMS_ON);
}
+ drm_modeset_unlock_all(dev);
}
drm_kms_helper_poll_enable(dev);