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nvc0: reduce likelihood of collision for real buffers on Kepler

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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);