intel-gfx.lists.freedesktop.org archive mirror
 help / color / mirror / Atom feed
From: Karthik B S <karthik.b.s@intel.com>
To: Ville Syrjala <ville.syrjala@linux.intel.com>,
	intel-gfx@lists.freedesktop.org
Subject: Re: [Intel-gfx] [PATCH v2 01/11] drm/i915: WARN if plane src coords are too big
Date: Wed, 27 Jan 2021 16:41:08 +0530	[thread overview]
Message-ID: <e5d4e543-e840-c9b8-300a-917dbfa18d71@intel.com> (raw)
In-Reply-To: <20210111163711.12913-2-ville.syrjala@linux.intel.com>

On 1/11/2021 10:07 PM, Ville Syrjala wrote:
> From: Ville Syrjälä <ville.syrjala@linux.intel.com>
>
> Inform us if we're buggy and are about to exceed the size of the
> bitfields in the plane TILEOFF/OFFSET registers.
>
> Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>

Looks good to me.

Reviewed-by: Karthik B S <karthik.b.s@intel.com>

> ---
>   drivers/gpu/drm/i915/display/i9xx_plane.c    | 7 +++++++
>   drivers/gpu/drm/i915/display/intel_display.c | 4 ++++
>   2 files changed, 11 insertions(+)
>
> diff --git a/drivers/gpu/drm/i915/display/i9xx_plane.c b/drivers/gpu/drm/i915/display/i9xx_plane.c
> index b78985c855a5..b1158ce4df92 100644
> --- a/drivers/gpu/drm/i915/display/i9xx_plane.c
> +++ b/drivers/gpu/drm/i915/display/i9xx_plane.c
> @@ -276,6 +276,13 @@ int i9xx_check_plane_surface(struct intel_plane_state *plane_state)
>   		}
>   	}
>   
> +	if (IS_HASWELL(dev_priv) || IS_BROADWELL(dev_priv)) {
> +		drm_WARN_ON(&dev_priv->drm, src_x > 8191 || src_y > 4095);
> +	} else if (INTEL_GEN(dev_priv) >= 4 &&
> +		   fb->modifier == I915_FORMAT_MOD_X_TILED) {
> +		drm_WARN_ON(&dev_priv->drm, src_x > 4095 || src_y > 4095);
> +	}
> +
>   	plane_state->color_plane[0].offset = offset;
>   	plane_state->color_plane[0].x = src_x;
>   	plane_state->color_plane[0].y = src_y;
> diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c
> index 0189d379a55e..7735c28b2467 100644
> --- a/drivers/gpu/drm/i915/display/intel_display.c
> +++ b/drivers/gpu/drm/i915/display/intel_display.c
> @@ -3854,6 +3854,8 @@ static int skl_check_main_surface(struct intel_plane_state *plane_state)
>   		}
>   	}
>   
> +	drm_WARN_ON(&dev_priv->drm, x > 8191 || y > 8191);
> +
>   	plane_state->color_plane[0].offset = offset;
>   	plane_state->color_plane[0].x = x;
>   	plane_state->color_plane[0].y = y;
> @@ -3926,6 +3928,8 @@ static int skl_check_nv12_aux_surface(struct intel_plane_state *plane_state)
>   		}
>   	}
>   
> +	drm_WARN_ON(&i915->drm, x > 8191 || y > 8191);
> +
>   	plane_state->color_plane[uv_plane].offset = offset;
>   	plane_state->color_plane[uv_plane].x = x;
>   	plane_state->color_plane[uv_plane].y = y;


_______________________________________________
Intel-gfx mailing list
Intel-gfx@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/intel-gfx

  reply	other threads:[~2021-01-27 11:11 UTC|newest]

Thread overview: 25+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-01-11 16:37 [Intel-gfx] [PATCH v2 00/11] drm/i915: Async flips for all ilk+ platforms Ville Syrjala
2021-01-11 16:37 ` [Intel-gfx] [PATCH v2 01/11] drm/i915: WARN if plane src coords are too big Ville Syrjala
2021-01-27 11:11   ` Karthik B S [this message]
2021-01-11 16:37 ` [Intel-gfx] [PATCH v2 02/11] drm/i915: Limit plane stride to below TILEOFF.x limit Ville Syrjala
2021-01-28  9:41   ` Karthik B S
2021-01-11 16:37 ` [Intel-gfx] [PATCH v2 03/11] drm/i915: Drop redundant parens Ville Syrjala
2021-01-15 10:19   ` Karthik B S
2021-01-11 16:37 ` [Intel-gfx] [PATCH v2 04/11] drm/i915: Generalize the async flip capability check Ville Syrjala
2021-01-15 10:23   ` Karthik B S
2021-01-11 16:37 ` [Intel-gfx] [PATCH v2 05/11] drm/i915: Add plane vfuncs to enable/disable flip_done interrupt Ville Syrjala
2021-01-15 11:38   ` Karthik B S
2021-01-11 16:37 ` [Intel-gfx] [PATCH v2 06/11] drm/i915: Move the async_flip bit setup into the .async_flip() hook Ville Syrjala
2021-01-15 11:40   ` Karthik B S
2021-01-11 16:37 ` [Intel-gfx] [PATCH v2 07/11] drm/i915: Reuse the async_flip() hook for the async flip disable w/a Ville Syrjala
2021-01-18  9:27   ` Karthik B S
2021-01-11 16:37 ` [Intel-gfx] [PATCH v2 08/11] drm/i915: Implement async flips for bdw Ville Syrjala
2021-01-18  9:44   ` Karthik B S
2021-01-11 16:37 ` [Intel-gfx] [PATCH v2 09/11] drm/i915: Implement async flip for ivb/hsw Ville Syrjala
2021-01-18 10:45   ` Karthik B S
2021-01-11 16:37 ` [Intel-gfx] [PATCH v2 10/11] drm/i915: Implement async flip for ilk/snb Ville Syrjala
2021-01-18 11:08   ` Karthik B S
2021-01-11 16:37 ` [Intel-gfx] [PATCH v2 11/11] drm/i915: Implement async flips for vlv/chv Ville Syrjala
2021-01-27  8:09   ` Karthik B S
2021-01-11 17:23 ` [Intel-gfx] ✓ Fi.CI.BAT: success for drm/i915: Async flips for all ilk+ platforms (rev2) Patchwork
2021-01-11 18:58 ` [Intel-gfx] ✓ Fi.CI.IGT: " Patchwork

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=e5d4e543-e840-c9b8-300a-917dbfa18d71@intel.com \
    --to=karthik.b.s@intel.com \
    --cc=intel-gfx@lists.freedesktop.org \
    --cc=ville.syrjala@linux.intel.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).