Reviewed-by: Marek Olšák <marek.olsak@xxxxxxx>
Marek
On Thu, Jul 31, 2014 at 11:43 AM, Michel Dänzer <michel@xxxxxxxxxxx> wrote:
> From: Michel Dänzer <michel.daenzer@xxxxxxx>
>
> Signed-off-by: Michel Dänzer <michel.daenzer@xxxxxxx>
> ---
> 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
>
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