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

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



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





[Index of Archives]     [Linux DRI Users]     [Linux Intel Graphics]     [Linux USB Devel]     [Video for Linux]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]     [XFree86]     [Linux USB Devel]     [Video for Linux]     [Linux Audio Users]     [Linux Kernel]     [Linux SCSI]     [XFree86]
  Powered by Linux