[PATCH] drm/i915/gvt: Remove the redundant range checking
Zhang, Tina
tina.zhang at intel.com
Wed Dec 13 03:24:07 UTC 2017
I find more needs to be taken care and will cook another patch to include this logic.
Please abandon this patch.
Thanks.
> -----Original Message-----
> From: Zhang, Tina
> Sent: Tuesday, December 12, 2017 4:19 PM
> To: zhenyuw at linux.intel.com
> Cc: Zhang, Tina <tina.zhang at intel.com>; intel-gvt-dev at lists.freedesktop.org
> Subject: [PATCH] drm/i915/gvt: Remove the redundant range checking
>
> GGTT range checking is executed in plane decoders. Remove the redundant
> range checking logic outside of fb_decoder.
>
> Signed-off-by: Tina Zhang <tina.zhang at intel.com>
> ---
> drivers/gpu/drm/i915/gvt/dmabuf.c | 5 -----
> 1 file changed, 5 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/gvt/dmabuf.c
> b/drivers/gpu/drm/i915/gvt/dmabuf.c
> index 2ab584f..38827ce 100644
> --- a/drivers/gpu/drm/i915/gvt/dmabuf.c
> +++ b/drivers/gpu/drm/i915/gvt/dmabuf.c
> @@ -257,11 +257,6 @@ static int vgpu_get_plane_info(struct drm_device
> *dev,
> return -EFAULT;
> }
>
> - if (!intel_gvt_ggtt_validate_range(vgpu, info->start, info->size)) {
> - gvt_vgpu_err("invalid gma addr\n");
> - return -EFAULT;
> - }
> -
> return 0;
> }
>
> --
> 2.7.4
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