Re: [PATCH 3/6] drm/i915/gt: Leave RING_BB_STATE to default value

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

 



Chris Wilson <chris@xxxxxxxxxxxxxxxxxx> writes:

> Do not reset RING_BB_STATE, leaving it to the default state value. This
> prevents bdw/bsw from getting confused when executing batches from the
> GGTT.

Happily setting up ro registers through ctx image, stamped my me...

Reviewed-by: Mika Kuoppala <mika.kuoppala@xxxxxxxxxxxxxxx>

>
> Signed-off-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
> ---
>  drivers/gpu/drm/i915/gt/intel_lrc.c | 1 -
>  1 file changed, 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/i915/gt/intel_lrc.c b/drivers/gpu/drm/i915/gt/intel_lrc.c
> index f0618e6aabd5..2bf6dc6d528d 100644
> --- a/drivers/gpu/drm/i915/gt/intel_lrc.c
> +++ b/drivers/gpu/drm/i915/gt/intel_lrc.c
> @@ -3982,7 +3982,6 @@ static void init_common_reg_state(u32 * const regs,
>  	regs[CTX_CONTEXT_CONTROL] = ctl;
>  
>  	regs[CTX_RING_CTL] = RING_CTL_SIZE(ring->size) | RING_VALID;
> -	regs[CTX_BB_STATE] = RING_BB_PPGTT;
>  }
>  
>  static void init_wa_bb_reg_state(u32 * const regs,
> -- 
> 2.25.0.rc0
>
> _______________________________________________
> Intel-gfx mailing list
> Intel-gfx@xxxxxxxxxxxxxxxxxxxxx
> https://lists.freedesktop.org/mailman/listinfo/intel-gfx
_______________________________________________
Intel-gfx mailing list
Intel-gfx@xxxxxxxxxxxxxxxxxxxxx
https://lists.freedesktop.org/mailman/listinfo/intel-gfx



[Index of Archives]     [AMD Graphics]     [Linux USB Devel]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]

  Powered by Linux