Attachment 82134 Details for Bug 66663 – patch

patch

0001-Set-RADEON_TILING_SURFACE-on-front-buffer-when-byte-.patch (text/plain), 1.58 KB, created by Mark Kettenis on 2013-07-07 12:12:42 UTC

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Creator: Mark Kettenis

Created: 2013-07-07 12:12:42 UTC

Size: 1.58 KB

patch

obsolete

>From f39f7aed1367f6076cca00031373440b352a6065 Mon Sep 17 00:00:00 2001
>From: Mark Kettenis <kettenis@openbsd.org>
>Date: Sun, 7 Jul 2013 13:44:13 +0200
>Subject: [PATCH] Set RADEON_TILING_SURFACE on front buffer when byte swapping
> is needed.
>
>Fixes direct front buffer access on big-endian systems.
>
>Signed-off-by: Mark Kettenis <kettenis@openbsd.org>
>---
> src/drmmode_display.c | 4 ++--
> src/radeon_kms.c      | 4 ++--
> 2 files changed, 4 insertions(+), 4 deletions(-)
>
>diff --git a/src/drmmode_display.c b/src/drmmode_display.c
>index 3a0187e..db0a79c 100644
>--- a/src/drmmode_display.c
>+++ b/src/drmmode_display.c
>@@ -1495,10 +1495,10 @@ drmmode_xf86crtc_resize (ScrnInfoPtr scrn, int width, int height)
> #if X_BYTE_ORDER == X_BIG_ENDIAN
> 	switch (cpp) {
> 	case 4:
>-	    tiling_flags |= RADEON_TILING_SWAP_32BIT;
>+	    tiling_flags |= RADEON_TILING_SWAP_32BIT | RADEON_TILING_SURFACE;
> 	    break;
> 	case 2:
>-	    tiling_flags |= RADEON_TILING_SWAP_16BIT;
>+	    tiling_flags |= RADEON_TILING_SWAP_16BIT | RADEON_TILING_SURFACE;
> 	    break;
> 	}
> #endif
>diff --git a/src/radeon_kms.c b/src/radeon_kms.c
>index c3f50d5..d2e2c06 100644
>--- a/src/radeon_kms.c
>+++ b/src/radeon_kms.c
>@@ -1579,10 +1579,10 @@ static Bool radeon_setup_kernel_mem(ScreenPtr pScreen)
> #if X_BYTE_ORDER == X_BIG_ENDIAN
> 	switch (cpp) {
> 	case 4:
>-	    tiling_flags |= RADEON_TILING_SWAP_32BIT;
>+	    tiling_flags |= RADEON_TILING_SWAP_32BIT | RADEON_TILING_SURFACE;
> 	    break;
> 	case 2:
>-	    tiling_flags |= RADEON_TILING_SWAP_16BIT;
>+	    tiling_flags |= RADEON_TILING_SWAP_16BIT | RADEON_TILING_SURFACE;
> 	    break;
> 	}
> #endif
>-- 
>1.8.3.1
>

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