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nvc0: reduce likelihood of collision for real buffers on Fermi 

Reduce likelihood of collision with real buffers by placing the
hole at the top of the 4G area. This fixes some indirect draw+compute
tests with large buffers.

Suggested by Ilia Mirkin.

Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Reviewed-by: Ilia Mirkin <imirkin@alum.mit.edu>
This commit is contained in:
Samuel Pitoiset 2016-02-11 23:49:45 +01:00
parent 807901b639
commit 80fc67fba5
1 changed files with 2 additions and 2 deletions
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4
src/gallium/drivers/nouveau/nvc0/nvc0_compute.c
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@ -90,13 +90,13 @@ nvc0_screen_compute_setup(struct nvc0_screen *screen,
BEGIN_NVC0(push, NVC0_COMPUTE(WARP_TEMP_ALLOC), 1);
PUSH_DATA (push, 0);
BEGIN_NVC0(push, NVC0_COMPUTE(LOCAL_BASE), 1);
PUSH_DATA (push, 1 << 24);
PUSH_DATA (push, 0xff << 24);
/* shared memory setup */
BEGIN_NVC0(push, NVC0_COMPUTE(CACHE_SPLIT), 1);
PUSH_DATA (push, NVC0_COMPUTE_CACHE_SPLIT_48K_SHARED_16K_L1);
BEGIN_NVC0(push, NVC0_COMPUTE(SHARED_BASE), 1);
PUSH_DATA (push, 2 << 24);
PUSH_DATA (push, 0xfe << 24);
BEGIN_NVC0(push, NVC0_COMPUTE(SHARED_SIZE), 1);
PUSH_DATA (push, 0);