Attachment 79651 Details for Bug 62962 – Fix colors on second crtc

[patch] Fix colors on second crtc

colors.diff (text/plain), 1005 bytes, created by James Simmons on 2013-05-22 12:33:19 UTC

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Creator: James Simmons

Created: 2013-05-22 12:33:19 UTC

Size: 1005 bytes

patch

obsolete

>diff --git a/drivers/gpu/drm/via/via_crtc.c b/drivers/gpu/drm/via/via_crtc.c
>index c923936..b2c248b 100644
>--- a/drivers/gpu/drm/via/via_crtc.c
>+++ b/drivers/gpu/drm/via/via_crtc.c
>@@ -254,10 +254,25 @@ via_iga2_gamma_set(struct drm_crtc *crtc, u16 *red, u16 *green, u16 *blue,
> 		/* access Primary Display's LUT */
> 		vga_wseq(VGABASE, 0x1A, sr1a & 0xFE);
> 	} else {
>+		u8 reg_bits = BIT(1);
>+
> 		svga_wseq_mask(VGABASE, 0x1A, BIT(0), BIT(0));
>-		/* Enable Gamma */
>+		/* Bit 1 enables gamma */
> 		svga_wcrt_mask(VGABASE, 0x6A, BIT(1), BIT(1));
> 
>+		switch (crtc->dev->pdev->device) {
>+		case PCI_DEVICE_ID_VIA_CLE266:
>+		case PCI_DEVICE_ID_VIA_KM400:
>+		case PCI_DEVICE_ID_VIA_K8M800:
>+		case PCI_DEVICE_ID_VIA_PM800:
>+			break;
>+
>+		default:
>+			reg_bits |= BIT(5);	
>+			break;
>+		}
>+		svga_wcrt_mask(VGABASE, 0x6A, reg_bits, reg_bits);
>+
> 		/* Before we fill the second LUT, we have to enable
> 		 * second display channel. If it's enabled before,
> 		 * we don't need to do that, or else the secondary

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Attachments on bug 62962: 77247 | 77250 | 77251 | 77272 | 77663 | 77940 | 77941 | 77942 | 77943 | 77944 | 77949 | 79651 | 79659 | 79660 | 79673 | 79674 | 80515 | 80581 | 80582 | 80870 | 80871 | 81236

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