diff options
Diffstat (limited to 'extra/xf86-video-ati/git_fixes.diff')
| -rw-r--r-- | extra/xf86-video-ati/git_fixes.diff | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/extra/xf86-video-ati/git_fixes.diff b/extra/xf86-video-ati/git_fixes.diff new file mode 100644 index 000000000..0c4518319 --- /dev/null +++ b/extra/xf86-video-ati/git_fixes.diff @@ -0,0 +1,33 @@ +From d282719a9c2fb0ee32830aa75b8dfbb9392954ed Mon Sep 17 00:00:00 2001 +From: Jerome Glisse <jglisse@redhat.com> +Date: Wed, 04 Apr 2012 21:08:30 +0000 +Subject: r6xx-r9xx: force 1D tiling for buffer with height < 64 + +Due to some old kernel issue, height is 8 aligned insided the ddx +For buffer with height btw 57 & 63 this lead ddx to believe it can +allocate a 2D tiled surface while mesa will not align height and +will assume 1D tiled leading to disagreement and rendering issue. +This patch force buffer with height < 64 to be 1D tiled. + +Signed-off-by: Jerome Glisse <jglisse@redhat.com> +--- +diff --git a/src/radeon_exa.c b/src/radeon_exa.c +index 99a5806..270dad4 100644 +--- a/src/radeon_exa.c ++++ b/src/radeon_exa.c +@@ -511,6 +511,13 @@ void *RADEONEXACreatePixmap2(ScreenPtr pScreen, int width, int height, + surface.last_level = 0; + surface.bpe = cpp; + surface.nsamples = 1; ++ if (height < 64) { ++ /* disable 2d tiling for small surface to work around ++ * the fact that ddx align height to 8 pixel for old ++ * obscure reason i can't remember ++ */ ++ tiling &= ~RADEON_TILING_MACRO; ++ } + surface.flags = RADEON_SURF_SCANOUT; + surface.flags |= RADEON_SURF_SET(RADEON_SURF_TYPE_2D, TYPE); + surface.flags |= RADEON_SURF_SET(RADEON_SURF_MODE_LINEAR, MODE); +-- +cgit v0.9.0.2-2-gbebe |