[Intel-gfx] [PATCH] drm/i915: Increase the RC6p threshold.

[Stéphane Marchesin]

On Tue, Jan 29, 2013 at 7:41 PM, Stéphane Marchesin <marcheu at chromium.org>wrote:

> This increases GEN6_RC6p_THRESHOLD from 100000 to 150000. For some
> reason this avoids the gen6_gt_check_fifodbg.isra warnings and
> associated GPU lockups, which makes my ivy bridge machine stable.
>
>
Ping?


> Signed-off-by: Stéphane Marchesin <marcheu at chromium.org>
> ---
>  drivers/gpu/drm/i915/intel_pm.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/i915/intel_pm.c
> b/drivers/gpu/drm/i915/intel_pm.c
> index 3280cff..dde0ded 100644
> --- a/drivers/gpu/drm/i915/intel_pm.c
> +++ b/drivers/gpu/drm/i915/intel_pm.c
> @@ -2572,7 +2572,7 @@ static void gen6_enable_rps(struct drm_device *dev)
>         I915_WRITE(GEN6_RC_SLEEP, 0);
>         I915_WRITE(GEN6_RC1e_THRESHOLD, 1000);
>         I915_WRITE(GEN6_RC6_THRESHOLD, 50000);
> -       I915_WRITE(GEN6_RC6p_THRESHOLD, 100000);
> +       I915_WRITE(GEN6_RC6p_THRESHOLD, 150000);
>         I915_WRITE(GEN6_RC6pp_THRESHOLD, 64000); /* unused */
>
>         /* Check if we are enabling RC6 */
> --
> 1.8.1
>
>
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