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gallium/radeon: allow VRAM-only placements again on APUs & recent amdgpu 

Reviewed-by: Nicolai Hähnle <nicolai.haehnle@amd.com>
This commit is contained in:
Marek Olšák 2017-01-23 23:41:47 +01:00
parent 0d0f357de6
commit cecc068774
1 changed files with 4 additions and 0 deletions
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4
src/gallium/drivers/radeon/r600_buffer_common.c
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@ -170,8 +170,12 @@ void r600_init_resource_fields(struct r600_common_screen *rscreen,
/* If VRAM is just stolen system memory, allow both VRAM and
* GTT, whichever has free space. If a buffer is evicted from
* VRAM to GTT, it will stay there.
*
* DRM 3.6.0 has good BO move throttling, so we can allow VRAM-only
* placements even with a low amount of stolen VRAM.
*/
if (!rscreen->info.has_dedicated_vram &&
(rscreen->info.drm_major < 3 || rscreen->info.drm_minor < 6) &&
res->domains == RADEON_DOMAIN_VRAM)
res->domains = RADEON_DOMAIN_VRAM_GTT;