[RFC PATCH] gma500: Fix suspend/resume functions

Ryan Mallon rmallon at gmail.com
Thu Jan 26 22:28:24 PST 2012


Both the suspend and resume functions incorrectly set psbfb =
to_psb_fb(NULL) outside of the loop over all of the framebuffers. Fix
this by moving the assignment of psbfb inside the loop and removing the
initialisation of fb.

Signed-off-by: Ryan Mallon <rmallon at gmail.com>
---

diff --git a/drivers/gpu/drm/gma500/framebuffer.c b/drivers/gpu/drm/gma500/framebuffer.c
index 791c0ef..830dfdd 100644
--- a/drivers/gpu/drm/gma500/framebuffer.c
+++ b/drivers/gpu/drm/gma500/framebuffer.c
@@ -113,12 +113,12 @@ static int psbfb_pan(struct fb_var_screeninfo *var, struct fb_info *info)
 
 void psbfb_suspend(struct drm_device *dev)
 {
-	struct drm_framebuffer *fb = 0;
-	struct psb_framebuffer *psbfb = to_psb_fb(fb);
+	struct drm_framebuffer *fb;
 
 	console_lock();
 	mutex_lock(&dev->mode_config.mutex);
 	list_for_each_entry(fb, &dev->mode_config.fb_list, head) {
+		struct psb_framebuffer *psbfb = to_psb_fb(fb);
 		struct fb_info *info = psbfb->fbdev;
 		fb_set_suspend(info, 1);
 		drm_fb_helper_blank(FB_BLANK_POWERDOWN, info);
@@ -129,12 +129,12 @@ void psbfb_suspend(struct drm_device *dev)
 
 void psbfb_resume(struct drm_device *dev)
 {
-	struct drm_framebuffer *fb = 0;
-	struct psb_framebuffer *psbfb = to_psb_fb(fb);
+	struct drm_framebuffer *fb;
 
 	console_lock();
 	mutex_lock(&dev->mode_config.mutex);
 	list_for_each_entry(fb, &dev->mode_config.fb_list, head) {
+		struct psb_framebuffer *psbfb = to_psb_fb(fb);
 		struct fb_info *info = psbfb->fbdev;
 		fb_set_suspend(info, 0);
 		drm_fb_helper_blank(FB_BLANK_UNBLANK, info);



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