drm/i915: Deobfuscate the render p-state obfuscation

[safe/jmp/linux-2.6] / drivers / video / bfin-t350mcqb-fb.c

diff --git a/drivers/video/bfin-t350mcqb-fb.c b/drivers/video/bfin-t350mcqb-fb.c
index 2a423d3..2549c53 100644 (file)
--- a/drivers/video/bfin-t350mcqb-fb.c
+++ b/drivers/video/bfin-t350mcqb-fb.c
@@ -242,7 +242,6 @@ static int bfin_t350mcqb_fb_release(struct fb_info *info, int user)
                SSYNC();
                disable_dma(CH_PPI);
                bfin_t350mcqb_stop_timers();
-               memset(fbi->fb_buffer, 0, info->fix.smem_len);
        }
 
        spin_unlock(&fbi->lock);
@@ -447,7 +446,7 @@ static irqreturn_t bfin_t350mcqb_irq_error(int irq, void *dev_id)
        return IRQ_HANDLED;
 }
 
-static int __init bfin_t350mcqb_probe(struct platform_device *pdev)
+static int __devinit bfin_t350mcqb_probe(struct platform_device *pdev)
 {
        struct bfin_t350mcqbfb_info *info;
        struct fb_info *fbinfo;
@@ -488,8 +487,8 @@ static int __init bfin_t350mcqb_probe(struct platform_device *pdev)
 
        fbinfo->var.nonstd = 0;
        fbinfo->var.activate = FB_ACTIVATE_NOW;
-       fbinfo->var.height = -1;
-       fbinfo->var.width = -1;
+       fbinfo->var.height = 53;
+       fbinfo->var.width = 70;
        fbinfo->var.accel_flags = 0;
        fbinfo->var.vmode = FB_VMODE_NONINTERLACED;
 
@@ -527,8 +526,6 @@ static int __init bfin_t350mcqb_probe(struct platform_device *pdev)
                goto out3;
        }
 
-       memset(info->fb_buffer, 0, fbinfo->fix.smem_len);
-
        fbinfo->screen_base = (void *)info->fb_buffer + ACTIVE_VIDEO_MEM_OFFSET;
        fbinfo->fix.smem_start = (int)info->fb_buffer + ACTIVE_VIDEO_MEM_OFFSET;
 
@@ -602,7 +599,7 @@ out1:
        return ret;
 }
 
-static int bfin_t350mcqb_remove(struct platform_device *pdev)
+static int __devexit bfin_t350mcqb_remove(struct platform_device *pdev)
 {
 
        struct fb_info *fbinfo = platform_get_drvdata(pdev);
@@ -638,11 +635,15 @@ static int bfin_t350mcqb_remove(struct platform_device *pdev)
 static int bfin_t350mcqb_suspend(struct platform_device *pdev, pm_message_t state)
 {
        struct fb_info *fbinfo = platform_get_drvdata(pdev);
-       struct bfin_t350mcqbfb_info *info = fbinfo->par;
+       struct bfin_t350mcqbfb_info *fbi = fbinfo->par;
+
+       if (fbi->lq043_open_cnt) {
+               bfin_t350mcqb_disable_ppi();
+               disable_dma(CH_PPI);
+               bfin_t350mcqb_stop_timers();
+               bfin_write_PPI_STATUS(-1);
+       }
 
-       bfin_t350mcqb_disable_ppi();
-       disable_dma(CH_PPI);
-       bfin_write_PPI_STATUS(0xFFFF);
 
        return 0;
 }
@@ -650,10 +651,18 @@ static int bfin_t350mcqb_suspend(struct platform_device *pdev, pm_message_t stat
 static int bfin_t350mcqb_resume(struct platform_device *pdev)
 {
        struct fb_info *fbinfo = platform_get_drvdata(pdev);
-       struct bfin_t350mcqbfb_info *info = fbinfo->par;
+       struct bfin_t350mcqbfb_info *fbi = fbinfo->par;
 
-       enable_dma(CH_PPI);
-       bfin_t350mcqb_enable_ppi();
+       if (fbi->lq043_open_cnt) {
+               bfin_t350mcqb_config_dma(fbi);
+               bfin_t350mcqb_config_ppi(fbi);
+               bfin_t350mcqb_init_timers();
+
+               /* start dma */
+               enable_dma(CH_PPI);
+               bfin_t350mcqb_enable_ppi();
+               bfin_t350mcqb_start_timers();
+       }
 
        return 0;
 }
@@ -664,7 +673,7 @@ static int bfin_t350mcqb_resume(struct platform_device *pdev)
 
 static struct platform_driver bfin_t350mcqb_driver = {
        .probe = bfin_t350mcqb_probe,
-       .remove = bfin_t350mcqb_remove,
+       .remove = __devexit_p(bfin_t350mcqb_remove),
        .suspend = bfin_t350mcqb_suspend,
        .resume = bfin_t350mcqb_resume,
        .driver = {
@@ -673,7 +682,7 @@ static struct platform_driver bfin_t350mcqb_driver = {
                   },
 };
 
-static int __devinit bfin_t350mcqb_driver_init(void)
+static int __init bfin_t350mcqb_driver_init(void)
 {
        return platform_driver_register(&bfin_t350mcqb_driver);
 }