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path: root/drivers/video/msm/msm_fb.c
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Diffstat (limited to 'drivers/video/msm/msm_fb.c')
-rw-r--r--drivers/video/msm/msm_fb.c27
1 files changed, 15 insertions, 12 deletions
diff --git a/drivers/video/msm/msm_fb.c b/drivers/video/msm/msm_fb.c
index debe5933fd2e..ec351309e607 100644
--- a/drivers/video/msm/msm_fb.c
+++ b/drivers/video/msm/msm_fb.c
@@ -81,7 +81,6 @@ struct msmfb_info {
spinlock_t update_lock;
struct mutex panel_init_lock;
wait_queue_head_t frame_wq;
- struct workqueue_struct *resume_workqueue;
struct work_struct resume_work;
struct msmfb_callback dma_callback;
struct msmfb_callback vsync_callback;
@@ -111,7 +110,7 @@ static void msmfb_handle_dma_interrupt(struct msmfb_callback *callback)
if (msmfb->sleeping == UPDATING &&
msmfb->frame_done == msmfb->update_frame) {
DLOG(SUSPEND_RESUME, "full update completed\n");
- queue_work(msmfb->resume_workqueue, &msmfb->resume_work);
+ schedule_work(&msmfb->resume_work);
}
spin_unlock_irqrestore(&msmfb->update_lock, irq_flags);
wake_up(&msmfb->frame_wq);
@@ -220,8 +219,8 @@ restart:
sleeping = msmfb->sleeping;
/* on a full update, if the last frame has not completed, wait for it */
- if (pan_display && (msmfb->frame_requested != msmfb->frame_done ||
- sleeping == UPDATING)) {
+ if ((pan_display && msmfb->frame_requested != msmfb->frame_done) ||
+ sleeping == UPDATING) {
int ret;
spin_unlock_irqrestore(&msmfb->update_lock, irq_flags);
ret = wait_event_interruptible_timeout(msmfb->frame_wq,
@@ -470,6 +469,18 @@ static void setup_fb_info(struct msmfb_info *msmfb)
fb_info->var.yoffset = 0;
if (msmfb->panel->caps & MSMFB_CAP_PARTIAL_UPDATES) {
+ /*
+ * Set the param in the fixed screen, so userspace can't
+ * change it. This will be used to check for the
+ * capability.
+ */
+ fb_info->fix.reserved[0] = 0x5444;
+ fb_info->fix.reserved[1] = 0x5055;
+
+ /*
+ * This preloads the value so that if userspace doesn't
+ * change it, it will be a full update
+ */
fb_info->var.reserved[0] = 0x54445055;
fb_info->var.reserved[1] = 0;
fb_info->var.reserved[2] = (uint16_t)msmfb->xres |
@@ -559,12 +570,6 @@ static int msmfb_probe(struct platform_device *pdev)
spin_lock_init(&msmfb->update_lock);
mutex_init(&msmfb->panel_init_lock);
init_waitqueue_head(&msmfb->frame_wq);
- msmfb->resume_workqueue = create_workqueue("panel_on");
- if (msmfb->resume_workqueue == NULL) {
- printk(KERN_ERR "failed to create panel_on workqueue\n");
- ret = -ENOMEM;
- goto error_create_workqueue;
- }
INIT_WORK(&msmfb->resume_work, power_on_panel);
msmfb->black = kzalloc(msmfb->fb->var.bits_per_pixel*msmfb->xres,
GFP_KERNEL);
@@ -589,8 +594,6 @@ static int msmfb_probe(struct platform_device *pdev)
return 0;
error_register_framebuffer:
- destroy_workqueue(msmfb->resume_workqueue);
-error_create_workqueue:
iounmap(fb->screen_base);
error_setup_fbmem:
framebuffer_release(msmfb->fb);
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