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radeonsi: fix Hyper-Z hangs on P2 configs 

Cc: 11.1 11.2 <mesa-stable@lists.freedesktop.org>
Reviewed-by: Nicolai Hähnle <nicolai.haehnle@amd.com>
This commit is contained in:
Marek Olšák 2016-03-15 21:49:54 +01:00
parent 151724159d
commit 4ab2ac3349
1 changed files with 8 additions and 2 deletions
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10
src/gallium/drivers/radeon/r600_texture.c
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@ -638,8 +638,14 @@ static unsigned r600_texture_get_htile_size(struct r600_common_screen *rscreen,
rscreen->info.drm_major == 2 && rscreen->info.drm_minor < 38)
return 0;
/* Overalign HTILE on Stoney to fix piglit/depthstencil-render-miplevels 585. */
if (rscreen->family == CHIP_STONEY)
/* Overalign HTILE on P2 configs to work around GPU hangs in
* piglit/depthstencil-render-miplevels 585.
*
* This has been confirmed to help Kabini & Stoney, where the hangs
* are always reproducible. I think I have seen the test hang
* on Carrizo too, though it was very rare there.
*/
if (rscreen->chip_class >= CIK && num_pipes < 4)
num_pipes = 4;
switch (num_pipes) {