Re: [Intel-gfx] [PATCH] drm/i915: Fix SRC_COPY width on 830/845g

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On Fri, 12 Sep 2014, Chris Wilson <chris@xxxxxxxxxxxxxxxxxx> wrote:
> One small change I forgot to make in
>
> commit c4d69da167fa967749aeb70bc0e94a457e5d00c1
> Author: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
> Date:   Mon Sep 8 14:25:41 2014 +0100
>
>     drm/i915: Evict CS TLBs between batches
>
> was to update the copy width for the compact BLT copy instruction.
>
> Reported-by: Thomas Richter <thor@xxxxxxxxxxxxxxxxx>
> Signed-off-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
> Cc: Thomas Richter <thor@xxxxxxxxxxxxxxxxx>
> Cc: Jani Nikula <jani.nikula@xxxxxxxxx>
> Cc: stable@xxxxxxxxxxxxxxx

http://mid.gmane.org/54129ED3.8060105@xxxxxxxxxxxxxxxxx says

Tested-by: Thomas Richter <thor@xxxxxxxxxxxxxxxxx>

(Thomas, your mails have broken in-reply-to/references more often than
not, breaking threading. Please check your setup.)


> ---
>  drivers/gpu/drm/i915/intel_ringbuffer.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c
> index d0156d6..45d70fd 100644
> --- a/drivers/gpu/drm/i915/intel_ringbuffer.c
> +++ b/drivers/gpu/drm/i915/intel_ringbuffer.c
> @@ -1386,7 +1386,7 @@ i830_emit_batchbuffer(struct i915_gem_request *rq,
>  		 */
>  		intel_ring_emit(ring, SRC_COPY_BLT_CMD | BLT_WRITE_RGBA);
>  		intel_ring_emit(ring, BLT_DEPTH_32 | BLT_ROP_SRC_COPY | 4096);
> -		intel_ring_emit(ring, DIV_ROUND_UP(len, 4096) << 16 | 1024);
> +		intel_ring_emit(ring, DIV_ROUND_UP(len, 4096) << 16 | 4096);
>  		intel_ring_emit(ring, cs_offset);
>  		intel_ring_emit(ring, 4096);
>  		intel_ring_emit(ring, offset);
> -- 
> 1.9.1
>
> _______________________________________________
> Intel-gfx mailing list
> Intel-gfx@xxxxxxxxxxxxxxxxxxxxx
> http://lists.freedesktop.org/mailman/listinfo/intel-gfx

-- 
Jani Nikula, Intel Open Source Technology Center
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