[Mesa-dev] [PATCH] i965: Make BLORP disable the NP Z PMA stall fix.

[Jason Ekstrand]

I thought I'd fixed this already... In any case

Reviewed-by: Jason Ekstrand <jason at jlekstrand.net>

you should probably cc stable

On Sat, Jan 14, 2017 at 4:23 PM, Kenneth Graunke <kenneth at whitecape.org>
wrote:

> This may fix GPU hangs on Gen8.  I don't know if it does though.
>
> Signed-off-by: Kenneth Graunke <kenneth at whitecape.org>
> ---
>  src/mesa/drivers/dri/i965/genX_blorp_exec.c | 4 ++++
>  1 file changed, 4 insertions(+)
>
> diff --git a/src/mesa/drivers/dri/i965/genX_blorp_exec.c
> b/src/mesa/drivers/dri/i965/genX_blorp_exec.c
> index 40a2499e08f..bb1dfa98063 100644
> --- a/src/mesa/drivers/dri/i965/genX_blorp_exec.c
> +++ b/src/mesa/drivers/dri/i965/genX_blorp_exec.c
> @@ -206,6 +206,10 @@ retry:
>
>     brw_emit_depth_stall_flushes(brw);
>
> +#if GEN_GEN == 8
> +   gen8_write_pma_stall_bits(brw, 0);
> +#endif
> +
>     blorp_emit(batch, GENX(3DSTATE_DRAWING_RECTANGLE), rect) {
>        rect.ClippedDrawingRectangleXMax = MAX2(params->x1, params->x0) -
> 1;
>        rect.ClippedDrawingRectangleYMax = MAX2(params->y1, params->y0) -
> 1;
> --
> 2.11.0
>
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