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