Re: [PATCH 2/2] r600g/radeonsi: Prefer VRAM for CPU -> GPU streaming buffers

Reviewed-by: Marek Olšák marek.olsak@amd.com

Marek

On Thu, Jul 31, 2014 at 11:43 AM, Michel Dänzer michel@daenzer.net wrote:

From: Michel Dänzer michel.daenzer@amd.com

Signed-off-by: Michel Dänzer michel.daenzer@amd.com

src/gallium/drivers/radeon/r600_buffer_common.c | 15 +++++++++++---- 1 file 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 154c33d..d747cbc 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:
  

-- 2.0.1

---

dri-devel mailing list dri-devel@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/dri-devel