xf86-video-intel: src/sna/sna_io.c
Chris Wilson
ickle at kemper.freedesktop.org
Thu Sep 13 09:18:45 PDT 2012
src/sna/sna_io.c | 19 ++++++++++---------
1 file changed, 10 insertions(+), 9 deletions(-)
New commits:
commit 8c7dd2219fa777bf6354c4e0ef38a2f09fe09675
Author: Chris Wilson <chris at chris-wilson.co.uk>
Date: Thu Sep 13 17:14:23 2012 +0100
sna: Prefer to use indirect uploads for very small updates
Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
diff --git a/src/sna/sna_io.c b/src/sna/sna_io.c
index fa87133..a466f55 100644
--- a/src/sna/sna_io.c
+++ b/src/sna/sna_io.c
@@ -537,6 +537,8 @@ static bool upload_inplace(struct kgem *kgem,
const BoxRec *box,
int n, int bpp)
{
+ unsigned int bytes;
+
if (!kgem_bo_can_map(kgem, bo))
return false;
@@ -547,16 +549,15 @@ static bool upload_inplace(struct kgem *kgem,
* able to almagamate a series of small writes into a single
* operation.
*/
- if (__kgem_bo_is_busy(kgem, bo)) {
- unsigned int bytes = 0;
- while (n--) {
- bytes += (box->x2 - box->x1) * (box->y2 - box->y1);
- box++;
- }
- return bytes * bpp >> 12 >= kgem->half_cpu_cache_pages;
+ bytes = 0;
+ while (n--) {
+ bytes += (box->x2 - box->x1) * (box->y2 - box->y1);
+ box++;
}
-
- return true;
+ if (__kgem_bo_is_busy(kgem, bo))
+ return bytes * bpp >> 12 >= kgem->half_cpu_cache_pages;
+ else
+ return bytes * bpp >> 12;
}
bool sna_write_boxes(struct sna *sna, PixmapPtr dst,
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