PKGBUILDs/core/linux-cubox/dovefb_patch1.patch

54 lines
1.8 KiB
Diff

From: Jean-Francois Moine <moinejf@free.fr>
Date: Thu Nov 15 18:14:43 CET 2012
Stop the dovefb irq's after video display
This patch is to be applied to René van Dorst's linux kernel
git://github.com/vDorst/linux.git
branch
CuBox-v3.5.7-Patched
diff --git a/drivers/video/dovefb/dovefb_ovly.c b/drivers/video/dovefb/dovefb_ovly.c
index 68cfdd2..d640ac7 100644
--- a/drivers/video/dovefb/dovefb_ovly.c
+++ b/drivers/video/dovefb/dovefb_ovly.c
@@ -322,7 +322,7 @@ static int dovefb_ovly_ioctl(struct fb_info *fi, unsigned int cmd,
{
void __user *argp = (void __user *)arg;
struct dovefb_layer_info *dfli = fi->par;
- u32 x;
+ u32 x, irq_ena;
int vmode = 0;
int gfx_on = 1;
int vid_on = 1;
@@ -528,19 +528,19 @@ static int dovefb_ovly_ioctl(struct fb_info *fi, unsigned int cmd,
case DOVEFB_IOCTL_SWITCH_VID_OVLY:
if (copy_from_user(&vid_on, argp, sizeof(int)))
return -EFAULT;
+ x = readl(dfli->reg_base + LCD_SPU_DMA_CTRL0);
+ irq_ena = readl(dfli->reg_base + SPU_IRQ_ENA);
if (0 == vid_on) {
- x = readl(dfli->reg_base + LCD_SPU_DMA_CTRL0) &
- ~CFG_DMA_ENA_MASK;
- writel(x, dfli->reg_base + LCD_SPU_DMA_CTRL0);
+ x &= ~CFG_DMA_ENA_MASK;
+ irq_ena &= ~(DOVEFB_VID_INT_MASK | DOVEFB_VSYNC_INT_MASK);
} else {
- x = readl(dfli->reg_base + LCD_SPU_DMA_CTRL0) |
- CFG_DMA_ENA(0x1);
- writel(x, dfli->reg_base + LCD_SPU_DMA_CTRL0);
+ x |= CFG_DMA_ENA(0x1);
+
/* Enable VID & VSync. */
- x = readl(dfli->reg_base + SPU_IRQ_ENA) |
- DOVEFB_VID_INT_MASK | DOVEFB_VSYNC_INT_MASK;
- writel(x, dfli->reg_base + SPU_IRQ_ENA);
+ irq_ena |= DOVEFB_VID_INT_MASK | DOVEFB_VSYNC_INT_MASK;
}
+ writel(x, dfli->reg_base + LCD_SPU_DMA_CTRL0);
+ writel(irq_ena, dfli->reg_base + SPU_IRQ_ENA);
break;
case DOVEFB_IOCTL_SWITCH_GRA_OVLY:
if (copy_from_user(&gfx_on, argp, sizeof(int)))