[Mesa-stable] [Mesa-dev] [PATCH] i965/skl: Add production thread counts and URB size

[Jordan Justen]

On 2015-07-29 12:35:24, Ben Widawsky wrote:
> This patch adjusts the SKL values to the best known values we have. It also adds
> the missing HS/DS/CS fields. To support this patch I needed to add some default
> values to BXT. Those values are just minimal values which we can use for
> enabling.
> 
> Note to backporter: You can drop the BXT change (second hunk) entirely.

Instead can you split this into 2 patches? One for skl, meant for
master and stable, and one with the placeholder numbers for bxt meant
just for master. If split:

Reviewed-by: Jordan Justen <jordan.l.justen at intel.com>

> Cc: mesa-stable at lists.freedesktop.org
> Signed-off-by: Ben Widawsky <ben at bwidawsk.net>
> ---
>  src/mesa/drivers/dri/i965/brw_device_info.c | 20 +++++++++++++++-----
>  1 file changed, 15 insertions(+), 5 deletions(-)
> 
> diff --git a/src/mesa/drivers/dri/i965/brw_device_info.c b/src/mesa/drivers/dri/i965/brw_device_info.c
> index 6fe6ea2..066dac6 100644
> --- a/src/mesa/drivers/dri/i965/brw_device_info.c
> +++ b/src/mesa/drivers/dri/i965/brw_device_info.c
> @@ -308,13 +308,18 @@ static const struct brw_device_info brw_device_info_chv = {
>     .has_llc = true,                                 \
>     .has_pln = true,                                 \
>     .supports_simd16_3src = true,                    \
> -   .max_vs_threads = 280,                           \
> -   .max_gs_threads = 256,                           \
> -   .max_wm_threads = 408,                           \
> +   .max_vs_threads = 336,                           \
> +   .max_hs_threads = 336,                           \
> +   .max_ds_threads = 336,                           \
> +   .max_gs_threads = 336,                           \
> +   .max_wm_threads = 64 * 6,                        \
> +   .max_cs_threads = 56,                            \
>     .urb = {                                         \
> -      .size = 128,                                  \
> +      .size = 192,                                  \
>        .min_vs_entries = 64,                         \
> -      .max_vs_entries = 1664,                       \
> +      .max_vs_entries = 1856,                       \
> +      .max_hs_entries = 672,                        \
> +      .max_ds_entries = 1120,                       \
>        .max_gs_entries = 640,                        \
>     }
>  
> @@ -341,12 +346,17 @@ static const struct brw_device_info brw_device_info_bxt = {
>     .gt = 1,
>     .has_llc = false,
>     .max_vs_threads = 112,
> +   .max_hs_threads = 112,
> +   .max_ds_threads = 112,
>     .max_gs_threads = 112,
>     .max_wm_threads = 32,
> +   .max_cs_threads = 28,
>     .urb = {
>        .size = 64,
>        .min_vs_entries = 34,
>        .max_vs_entries = 640,
> +      .max_hs_entries = 80,
> +      .max_ds_entries = 80,
>        .max_gs_entries = 256,
>     }
>  };
> -- 
> 2.5.0
> 
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