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authorAlex Deucher <alexander.deucher@amd.com>2015-10-02 20:52:58 (GMT)
committerAlex Deucher <alexander.deucher@amd.com>2015-10-05 13:44:18 (GMT)
commit8c70e1cda04b966b50ddfefafbd0ea376ed8edd5 (patch)
tree0195f9f7dac3b76941432feb2b857a5f9e32e715
parent2b02ec79004388a8c65e227bc289ed891b5ac8c6 (diff)
downloadlinux-8c70e1cda04b966b50ddfefafbd0ea376ed8edd5.tar.xz
drm/radeon: restore the fbdev mode in lastclose
restore the fbdev state if a drm app like X is killed. Tested-by: Michel Dänzer <michel.daenzer@amd.com> Reviewed-by: Michel Dänzer <michel.daenzer@amd.com> Reviewed-by: Christian König <christian.koenig@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
-rw-r--r--drivers/gpu/drm/radeon/radeon_fb.c16
-rw-r--r--drivers/gpu/drm/radeon/radeon_kms.c5
-rw-r--r--drivers/gpu/drm/radeon/radeon_mode.h1
3 files changed, 21 insertions, 1 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_fb.c b/drivers/gpu/drm/radeon/radeon_fb.c
index 1aa657f..26da2f4 100644
--- a/drivers/gpu/drm/radeon/radeon_fb.c
+++ b/drivers/gpu/drm/radeon/radeon_fb.c
@@ -397,3 +397,19 @@ void radeon_fb_remove_connector(struct radeon_device *rdev, struct drm_connector
{
drm_fb_helper_remove_one_connector(&rdev->mode_info.rfbdev->helper, connector);
}
+
+void radeon_fbdev_restore_mode(struct radeon_device *rdev)
+{
+ struct radeon_fbdev *rfbdev = rdev->mode_info.rfbdev;
+ struct drm_fb_helper *fb_helper;
+ int ret;
+
+ if (!rfbdev)
+ return;
+
+ fb_helper = &rfbdev->helper;
+
+ ret = drm_fb_helper_restore_fbdev_mode_unlocked(fb_helper);
+ if (ret)
+ DRM_DEBUG("failed to restore crtc mode\n");
+}
diff --git a/drivers/gpu/drm/radeon/radeon_kms.c b/drivers/gpu/drm/radeon/radeon_kms.c
index 4a119c2..0e932bf 100644
--- a/drivers/gpu/drm/radeon/radeon_kms.c
+++ b/drivers/gpu/drm/radeon/radeon_kms.c
@@ -598,7 +598,7 @@ static int radeon_info_ioctl(struct drm_device *dev, void *data, struct drm_file
* Outdated mess for old drm with Xorg being in charge (void function now).
*/
/**
- * radeon_driver_firstopen_kms - drm callback for last close
+ * radeon_driver_lastclose_kms - drm callback for last close
*
* @dev: drm dev pointer
*
@@ -606,6 +606,9 @@ static int radeon_info_ioctl(struct drm_device *dev, void *data, struct drm_file
*/
void radeon_driver_lastclose_kms(struct drm_device *dev)
{
+ struct radeon_device *rdev = dev->dev_private;
+
+ radeon_fbdev_restore_mode(rdev);
vga_switcheroo_process_delayed_switch();
}
diff --git a/drivers/gpu/drm/radeon/radeon_mode.h b/drivers/gpu/drm/radeon/radeon_mode.h
index aecc3e3..457b026 100644
--- a/drivers/gpu/drm/radeon/radeon_mode.h
+++ b/drivers/gpu/drm/radeon/radeon_mode.h
@@ -980,6 +980,7 @@ int radeon_fbdev_init(struct radeon_device *rdev);
void radeon_fbdev_fini(struct radeon_device *rdev);
void radeon_fbdev_set_suspend(struct radeon_device *rdev, int state);
bool radeon_fbdev_robj_is_fb(struct radeon_device *rdev, struct radeon_bo *robj);
+void radeon_fbdev_restore_mode(struct radeon_device *rdev);
void radeon_fb_output_poll_changed(struct radeon_device *rdev);