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iris: SMEM buffers on discrete platforms are coherent
author
Jason Ekstrand
<jason@jlekstrand.net>
Fri, 23 Jul 2021 17:03:32 +0000
(12:03 -0500)
committer
Marge Bot
<eric+marge@anholt.net>
Thu, 12 Aug 2021 19:29:59 +0000
(19:29 +0000)
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/11888>
src/gallium/drivers/iris/iris_bufmgr.c
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diff --git
a/src/gallium/drivers/iris/iris_bufmgr.c
b/src/gallium/drivers/iris/iris_bufmgr.c
index
9515c4b
..
f5f0ec0
100644
(file)
--- a/
src/gallium/drivers/iris/iris_bufmgr.c
+++ b/
src/gallium/drivers/iris/iris_bufmgr.c
@@
-613,7
+613,9
@@
iris_bo_alloc(struct iris_bufmgr *bufmgr,
uint64_t bo_size =
bucket ? bucket->size : MAX2(ALIGN(size, page_size), page_size);
- bool is_coherent = bufmgr->has_llc || (flags & BO_ALLOC_COHERENT);
+ bool is_coherent = bufmgr->has_llc ||
+ (bufmgr->vram.size > 0 && !local) ||
+ (flags & BO_ALLOC_COHERENT);
enum iris_mmap_mode mmap_mode =
!local && is_coherent ? IRIS_MMAP_WB : IRIS_MMAP_WC;