[PATCH 4/6] drm/fsl-dcu: deallocate fbdev CMA on unload
Stefan Agner
stefan at agner.ch
Sun Apr 17 05:25:53 UTC 2016
Free fbdev CMA using drm_fbdev_cma_fini on unload. This fixes
a warning when unloading the driver:
WARNING: CPU: 0 PID: 164 at drivers/gpu/drm/drm_crtc.c:5930 drm_mode_config_cleanup+0x204/0x208
Signed-off-by: Stefan Agner <stefan at agner.ch>
---
drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_drv.c | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_drv.c b/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_drv.c
index 9cbabb2..182578d 100644
--- a/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_drv.c
+++ b/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_drv.c
@@ -23,6 +23,7 @@
#include <drm/drmP.h>
#include <drm/drm_crtc_helper.h>
+#include <drm/drm_fb_cma_helper.h>
#include <drm/drm_gem_cma_helper.h>
#include "fsl_dcu_drm_crtc.h"
@@ -90,6 +91,9 @@ static int fsl_dcu_load(struct drm_device *dev, unsigned long flags)
return 0;
done:
+ if (fsl_dev->fbdev)
+ drm_fbdev_cma_fini(fsl_dev->fbdev);
+
drm_mode_config_cleanup(dev);
drm_vblank_cleanup(dev);
drm_irq_uninstall(dev);
@@ -100,6 +104,11 @@ done:
static int fsl_dcu_unload(struct drm_device *dev)
{
+ struct fsl_dcu_drm_device *fsl_dev = dev->dev_private;
+
+ if (fsl_dev->fbdev)
+ drm_fbdev_cma_fini(fsl_dev->fbdev);
+
drm_mode_config_cleanup(dev);
drm_vblank_cleanup(dev);
drm_irq_uninstall(dev);
--
2.8.0
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