diff options
| author | Michel Dänzer <[email protected]> | 2014-06-25 18:36:43 +0900 |
|---|---|---|
| committer | Michel Dänzer <[email protected]> | 2014-08-01 11:25:27 +0900 |
| commit | 150ac07b855b5c5f879bf6ce9ca421ccd1a6c938 (patch) | |
| tree | 5c8c63844a2a3ad6c79edb1b68d7004b9716b070 /src/gallium/drivers | |
| parent | 8898fff46cbf62baf4f924b6e8f537a9b1b26fa5 (diff) | |
r600g/radeonsi: Prefer VRAM for CPU -> GPU streaming buffers
Reviewed-by: Marek Olšák <[email protected]>
Diffstat (limited to 'src/gallium/drivers')
| -rw-r--r-- | src/gallium/drivers/radeon/r600_buffer_common.c | 15 |
1 files changed, 11 insertions, 4 deletions
diff --git a/src/gallium/drivers/radeon/r600_buffer_common.c b/src/gallium/drivers/radeon/r600_buffer_common.c index 154c33d7391..d747cbcb930 100644 --- a/src/gallium/drivers/radeon/r600_buffer_common.c +++ b/src/gallium/drivers/radeon/r600_buffer_common.c @@ -110,14 +110,21 @@ bool r600_init_resource(struct r600_common_screen *rscreen, enum radeon_bo_flag flags = 0; switch (res->b.b.usage) { - case PIPE_USAGE_DYNAMIC: - case PIPE_USAGE_STREAM: - flags = RADEON_FLAG_GTT_WC; - /* fall through */ case PIPE_USAGE_STAGING: /* Transfers are likely to occur more often with these resources. */ res->domains = RADEON_DOMAIN_GTT; break; + case PIPE_USAGE_STREAM: + case PIPE_USAGE_DYNAMIC: + /* Older kernels didn't always flush the HDP cache before + * CS execution + */ + if (rscreen->info.drm_minor < 40) { + res->domains = RADEON_DOMAIN_GTT; + flags = RADEON_FLAG_GTT_WC; + break; + } + /* fall through */ case PIPE_USAGE_DEFAULT: case PIPE_USAGE_IMMUTABLE: default: |