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-rw-r--r--src/i830_uxa.c16
1 files changed, 11 insertions, 5 deletions
diff --git a/src/i830_uxa.c b/src/i830_uxa.c
index fe0fb497..c05d4d6f 100644
--- a/src/i830_uxa.c
+++ b/src/i830_uxa.c
@@ -597,14 +597,20 @@ i830_uxa_create_pixmap (ScreenPtr screen, int w, int h, int depth, unsigned usag
{
unsigned int size;
uint32_t tiling = I915_TILING_NONE;
+ int pitch_align;
- stride = ROUND_TO((w * pixmap->drawable.bitsPerPixel + 7) / 8,
- i830->accel_pixmap_pitch_alignment);
-
- if (usage == INTEL_CREATE_PIXMAP_TILING_X)
+ if (usage == INTEL_CREATE_PIXMAP_TILING_X) {
tiling = I915_TILING_X;
- else if (usage == INTEL_CREATE_PIXMAP_TILING_Y)
+ pitch_align = 512;
+ } else if (usage == INTEL_CREATE_PIXMAP_TILING_Y) {
tiling = I915_TILING_Y;
+ pitch_align = 512;
+ } else {
+ pitch_align = i830->accel_pixmap_pitch_alignment;
+ }
+
+ stride = ROUND_TO((w * pixmap->drawable.bitsPerPixel + 7) / 8,
+ pitch_align);
if (tiling == I915_TILING_NONE) {
size = stride * h;