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nvc0: reduce likelihood of collision for real buffers on Kepler 

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 2016-02-22 21:44:25 +01:00
parent e2e8085fac
commit 7797d5f7d9
1 changed files with 2 additions and 2 deletions
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4
src/gallium/drivers/nouveau/nvc0/nve4_compute.c
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@ -96,9 +96,9 @@ nve4_screen_compute_setup(struct nvc0_screen *screen,
* accessible. We cannot prevent that at the moment, so expect failure.
*/
BEGIN_NVC0(push, NVE4_CP(LOCAL_BASE), 1);
PUSH_DATA (push, 1 << 24);
PUSH_DATA (push, 0xff << 24);
BEGIN_NVC0(push, NVE4_CP(SHARED_BASE), 1);
PUSH_DATA (push, 2 << 24);
PUSH_DATA (push, 0xfe << 24);
BEGIN_NVC0(push, NVE4_CP(CODE_ADDRESS_HIGH), 2);
PUSH_DATAh(push, screen->text->offset);