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-rw-r--r--drivers/gpu/drm/drm_fb_helper.c13
-rw-r--r--include/drm/drm_device.h9
2 files changed, 20 insertions, 2 deletions
diff --git a/drivers/gpu/drm/drm_fb_helper.c b/drivers/gpu/drm/drm_fb_helper.c
index 954cdd48de92..19aaca9fea06 100644
--- a/drivers/gpu/drm/drm_fb_helper.c
+++ b/drivers/gpu/drm/drm_fb_helper.c
@@ -799,8 +799,10 @@ int drm_fb_helper_init(struct drm_device *dev,
struct drm_mode_config *config = &dev->mode_config;
int i;
- if (!drm_fbdev_emulation)
+ if (!drm_fbdev_emulation) {
+ dev->fb_helper = fb_helper;
return 0;
+ }
if (!max_conn_count)
return -EINVAL;
@@ -835,6 +837,8 @@ int drm_fb_helper_init(struct drm_device *dev,
i++;
}
+ dev->fb_helper = fb_helper;
+
return 0;
out_free:
drm_fb_helper_crtc_free(fb_helper);
@@ -913,7 +917,12 @@ void drm_fb_helper_fini(struct drm_fb_helper *fb_helper)
{
struct fb_info *info;
- if (!drm_fbdev_emulation || !fb_helper)
+ if (!fb_helper)
+ return;
+
+ fb_helper->dev->fb_helper = NULL;
+
+ if (!drm_fbdev_emulation)
return;
cancel_work_sync(&fb_helper->resume_work);
diff --git a/include/drm/drm_device.h b/include/drm/drm_device.h
index e21af87a2f3c..7c4fa32f3fc6 100644
--- a/include/drm/drm_device.h
+++ b/include/drm/drm_device.h
@@ -17,6 +17,7 @@ struct drm_vblank_crtc;
struct drm_sg_mem;
struct drm_local_map;
struct drm_vma_offset_manager;
+struct drm_fb_helper;
struct inode;
@@ -185,6 +186,14 @@ struct drm_device {
struct drm_vma_offset_manager *vma_offset_manager;
/*@} */
int switch_power_state;
+
+ /**
+ * @fb_helper:
+ *
+ * Pointer to the fbdev emulation structure.
+ * Set by drm_fb_helper_init() and cleared by drm_fb_helper_fini().
+ */
+ struct drm_fb_helper *fb_helper;
};
#endif