diff mbox

[7/8] drm: Check that the plane supports the request format+modifier combo

Message ID 20171222192231.17981-8-ville.syrjala@linux.intel.com (mailing list archive)
State New, archived
Headers show

Commit Message

Ville Syrjälä Dec. 22, 2017, 7:22 p.m. UTC
From: Ville Syrjälä <ville.syrjala@linux.intel.com>

Currently we only check that the plane supports the pixel format of the
fb we're about to feed to it. Extend it to check also the modifier, and
more specifically that the combination of the format and modifier is
supported.

Cc: dri-devel@lists.freedesktop.org
Cc: Ben Widawsky <ben@bwidawsk.net>
Cc: Jason Ekstrand <jason@jlekstrand.net>
Cc: Daniel Stone <daniels@collabora.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
---
 drivers/gpu/drm/drm_atomic.c        | 10 ++++++----
 drivers/gpu/drm/drm_crtc.c          | 10 ++++++----
 drivers/gpu/drm/drm_crtc_internal.h |  4 ++--
 drivers/gpu/drm/drm_plane.c         | 33 ++++++++++++++++++++++++++-------
 4 files changed, 40 insertions(+), 17 deletions(-)

Comments

Daniel Vetter Jan. 10, 2018, 1:04 p.m. UTC | #1
On Fri, Dec 22, 2017 at 09:22:30PM +0200, Ville Syrjala wrote:
> From: Ville Syrjälä <ville.syrjala@linux.intel.com>
> 
> Currently we only check that the plane supports the pixel format of the
> fb we're about to feed to it. Extend it to check also the modifier, and
> more specifically that the combination of the format and modifier is
> supported.
> 
> Cc: dri-devel@lists.freedesktop.org
> Cc: Ben Widawsky <ben@bwidawsk.net>
> Cc: Jason Ekstrand <jason@jlekstrand.net>
> Cc: Daniel Stone <daniels@collabora.com>
> Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>

Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>

> ---
>  drivers/gpu/drm/drm_atomic.c        | 10 ++++++----
>  drivers/gpu/drm/drm_crtc.c          | 10 ++++++----
>  drivers/gpu/drm/drm_crtc_internal.h |  4 ++--
>  drivers/gpu/drm/drm_plane.c         | 33 ++++++++++++++++++++++++++-------
>  4 files changed, 40 insertions(+), 17 deletions(-)
> 
> diff --git a/drivers/gpu/drm/drm_atomic.c b/drivers/gpu/drm/drm_atomic.c
> index b76d49218cf1..6e5c3ea1e43b 100644
> --- a/drivers/gpu/drm/drm_atomic.c
> +++ b/drivers/gpu/drm/drm_atomic.c
> @@ -882,12 +882,14 @@ static int drm_atomic_plane_check(struct drm_plane *plane,
>  	}
>  
>  	/* Check whether this plane supports the fb pixel format. */
> -	ret = drm_plane_check_pixel_format(plane, state->fb->format->format);
> +	ret = drm_plane_check_pixel_format(plane, state->fb->format->format,
> +					   state->fb->modifier);
>  	if (ret) {
>  		struct drm_format_name_buf format_name;
> -		DRM_DEBUG_ATOMIC("Invalid pixel format %s\n",
> -		                 drm_get_format_name(state->fb->format->format,
> -		                                     &format_name));
> +		DRM_DEBUG_ATOMIC("Invalid pixel format %s, modifier 0x%llx\n",
> +				 drm_get_format_name(state->fb->format->format,
> +						     &format_name),
> +				 state->fb->modifier);
>  		return ret;
>  	}
>  
> diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c
> index f0556e654116..816c30a0f030 100644
> --- a/drivers/gpu/drm/drm_crtc.c
> +++ b/drivers/gpu/drm/drm_crtc.c
> @@ -625,12 +625,14 @@ int drm_mode_setcrtc(struct drm_device *dev, void *data,
>  		 */
>  		if (!crtc->primary->format_default) {
>  			ret = drm_plane_check_pixel_format(crtc->primary,
> -							   fb->format->format);
> +							   fb->format->format,
> +							   fb->modifier);
>  			if (ret) {
>  				struct drm_format_name_buf format_name;
> -				DRM_DEBUG_KMS("Invalid pixel format %s\n",
> -				              drm_get_format_name(fb->format->format,
> -				                                  &format_name));
> +				DRM_DEBUG_KMS("Invalid pixel format %s, modifier 0x%llx\n",
> +					      drm_get_format_name(fb->format->format,
> +								  &format_name),
> +					      fb->modifier);
>  				goto out;
>  			}
>  		}
> diff --git a/drivers/gpu/drm/drm_crtc_internal.h b/drivers/gpu/drm/drm_crtc_internal.h
> index af00f42ba269..860968a64ae7 100644
> --- a/drivers/gpu/drm/drm_crtc_internal.h
> +++ b/drivers/gpu/drm/drm_crtc_internal.h
> @@ -196,8 +196,8 @@ int drm_mode_atomic_ioctl(struct drm_device *dev,
>  /* drm_plane.c */
>  int drm_plane_register_all(struct drm_device *dev);
>  void drm_plane_unregister_all(struct drm_device *dev);
> -int drm_plane_check_pixel_format(const struct drm_plane *plane,
> -				 u32 format);
> +int drm_plane_check_pixel_format(struct drm_plane *plane,
> +				 u32 format, u64 modifier);
>  
>  /* drm_bridge.c */
>  void drm_bridge_detach(struct drm_bridge *bridge);
> diff --git a/drivers/gpu/drm/drm_plane.c b/drivers/gpu/drm/drm_plane.c
> index 2c90519576a3..8ac19379fe99 100644
> --- a/drivers/gpu/drm/drm_plane.c
> +++ b/drivers/gpu/drm/drm_plane.c
> @@ -545,16 +545,33 @@ int drm_mode_getplane(struct drm_device *dev, void *data,
>  	return 0;
>  }
>  
> -int drm_plane_check_pixel_format(const struct drm_plane *plane, u32 format)
> +int drm_plane_check_pixel_format(struct drm_plane *plane,
> +				 u32 format, u64 modifier)
>  {
>  	unsigned int i;
>  
>  	for (i = 0; i < plane->format_count; i++) {
>  		if (format == plane->format_types[i])
> -			return 0;
> +			break;
> +	}
> +	if (i == plane->format_count)
> +		return -EINVAL;
> +
> +	if (!plane->modifier_count)
> +		return 0;
> +
> +	for (i = 0; i < plane->modifier_count; i++) {
> +		if (modifier == plane->modifiers[i])
> +			break;
>  	}
> +	if (i == plane->modifier_count)
> +		return -EINVAL;
>  
> -	return -EINVAL;
> +	if (plane->funcs->format_mod_supported &&
> +	    !plane->funcs->format_mod_supported(plane, format, modifier))
> +		return -EINVAL;
> +
> +	return 0;
>  }
>  
>  /*
> @@ -598,12 +615,14 @@ static int __setplane_internal(struct drm_plane *plane,
>  	}
>  
>  	/* Check whether this plane supports the fb pixel format. */
> -	ret = drm_plane_check_pixel_format(plane, fb->format->format);
> +	ret = drm_plane_check_pixel_format(plane, fb->format->format,
> +					   fb->modifier);
>  	if (ret) {
>  		struct drm_format_name_buf format_name;
> -		DRM_DEBUG_KMS("Invalid pixel format %s\n",
> -		              drm_get_format_name(fb->format->format,
> -		                                  &format_name));
> +		DRM_DEBUG_KMS("Invalid pixel format %s, modifier 0x%llx\n",
> +			      drm_get_format_name(fb->format->format,
> +						  &format_name),
> +			      fb->modifier);
>  		goto out;
>  	}
>  
> -- 
> 2.13.6
> 
> _______________________________________________
> Intel-gfx mailing list
> Intel-gfx@lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/intel-gfx
Ville Syrjälä Feb. 26, 2018, 2:43 p.m. UTC | #2
On Wed, Jan 10, 2018 at 02:04:57PM +0100, Daniel Vetter wrote:
> On Fri, Dec 22, 2017 at 09:22:30PM +0200, Ville Syrjala wrote:
> > From: Ville Syrjälä <ville.syrjala@linux.intel.com>
> > 
> > Currently we only check that the plane supports the pixel format of the
> > fb we're about to feed to it. Extend it to check also the modifier, and
> > more specifically that the combination of the format and modifier is
> > supported.
> > 
> > Cc: dri-devel@lists.freedesktop.org
> > Cc: Ben Widawsky <ben@bwidawsk.net>
> > Cc: Jason Ekstrand <jason@jlekstrand.net>
> > Cc: Daniel Stone <daniels@collabora.com>
> > Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
> 
> Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>

Finally pushed this (and the followup i915 patch) to drm-misc-next.
Thanks for the reviews.

> 
> > ---
> >  drivers/gpu/drm/drm_atomic.c        | 10 ++++++----
> >  drivers/gpu/drm/drm_crtc.c          | 10 ++++++----
> >  drivers/gpu/drm/drm_crtc_internal.h |  4 ++--
> >  drivers/gpu/drm/drm_plane.c         | 33 ++++++++++++++++++++++++++-------
> >  4 files changed, 40 insertions(+), 17 deletions(-)
> > 
> > diff --git a/drivers/gpu/drm/drm_atomic.c b/drivers/gpu/drm/drm_atomic.c
> > index b76d49218cf1..6e5c3ea1e43b 100644
> > --- a/drivers/gpu/drm/drm_atomic.c
> > +++ b/drivers/gpu/drm/drm_atomic.c
> > @@ -882,12 +882,14 @@ static int drm_atomic_plane_check(struct drm_plane *plane,
> >  	}
> >  
> >  	/* Check whether this plane supports the fb pixel format. */
> > -	ret = drm_plane_check_pixel_format(plane, state->fb->format->format);
> > +	ret = drm_plane_check_pixel_format(plane, state->fb->format->format,
> > +					   state->fb->modifier);
> >  	if (ret) {
> >  		struct drm_format_name_buf format_name;
> > -		DRM_DEBUG_ATOMIC("Invalid pixel format %s\n",
> > -		                 drm_get_format_name(state->fb->format->format,
> > -		                                     &format_name));
> > +		DRM_DEBUG_ATOMIC("Invalid pixel format %s, modifier 0x%llx\n",
> > +				 drm_get_format_name(state->fb->format->format,
> > +						     &format_name),
> > +				 state->fb->modifier);
> >  		return ret;
> >  	}
> >  
> > diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c
> > index f0556e654116..816c30a0f030 100644
> > --- a/drivers/gpu/drm/drm_crtc.c
> > +++ b/drivers/gpu/drm/drm_crtc.c
> > @@ -625,12 +625,14 @@ int drm_mode_setcrtc(struct drm_device *dev, void *data,
> >  		 */
> >  		if (!crtc->primary->format_default) {
> >  			ret = drm_plane_check_pixel_format(crtc->primary,
> > -							   fb->format->format);
> > +							   fb->format->format,
> > +							   fb->modifier);
> >  			if (ret) {
> >  				struct drm_format_name_buf format_name;
> > -				DRM_DEBUG_KMS("Invalid pixel format %s\n",
> > -				              drm_get_format_name(fb->format->format,
> > -				                                  &format_name));
> > +				DRM_DEBUG_KMS("Invalid pixel format %s, modifier 0x%llx\n",
> > +					      drm_get_format_name(fb->format->format,
> > +								  &format_name),
> > +					      fb->modifier);
> >  				goto out;
> >  			}
> >  		}
> > diff --git a/drivers/gpu/drm/drm_crtc_internal.h b/drivers/gpu/drm/drm_crtc_internal.h
> > index af00f42ba269..860968a64ae7 100644
> > --- a/drivers/gpu/drm/drm_crtc_internal.h
> > +++ b/drivers/gpu/drm/drm_crtc_internal.h
> > @@ -196,8 +196,8 @@ int drm_mode_atomic_ioctl(struct drm_device *dev,
> >  /* drm_plane.c */
> >  int drm_plane_register_all(struct drm_device *dev);
> >  void drm_plane_unregister_all(struct drm_device *dev);
> > -int drm_plane_check_pixel_format(const struct drm_plane *plane,
> > -				 u32 format);
> > +int drm_plane_check_pixel_format(struct drm_plane *plane,
> > +				 u32 format, u64 modifier);
> >  
> >  /* drm_bridge.c */
> >  void drm_bridge_detach(struct drm_bridge *bridge);
> > diff --git a/drivers/gpu/drm/drm_plane.c b/drivers/gpu/drm/drm_plane.c
> > index 2c90519576a3..8ac19379fe99 100644
> > --- a/drivers/gpu/drm/drm_plane.c
> > +++ b/drivers/gpu/drm/drm_plane.c
> > @@ -545,16 +545,33 @@ int drm_mode_getplane(struct drm_device *dev, void *data,
> >  	return 0;
> >  }
> >  
> > -int drm_plane_check_pixel_format(const struct drm_plane *plane, u32 format)
> > +int drm_plane_check_pixel_format(struct drm_plane *plane,
> > +				 u32 format, u64 modifier)
> >  {
> >  	unsigned int i;
> >  
> >  	for (i = 0; i < plane->format_count; i++) {
> >  		if (format == plane->format_types[i])
> > -			return 0;
> > +			break;
> > +	}
> > +	if (i == plane->format_count)
> > +		return -EINVAL;
> > +
> > +	if (!plane->modifier_count)
> > +		return 0;
> > +
> > +	for (i = 0; i < plane->modifier_count; i++) {
> > +		if (modifier == plane->modifiers[i])
> > +			break;
> >  	}
> > +	if (i == plane->modifier_count)
> > +		return -EINVAL;
> >  
> > -	return -EINVAL;
> > +	if (plane->funcs->format_mod_supported &&
> > +	    !plane->funcs->format_mod_supported(plane, format, modifier))
> > +		return -EINVAL;
> > +
> > +	return 0;
> >  }
> >  
> >  /*
> > @@ -598,12 +615,14 @@ static int __setplane_internal(struct drm_plane *plane,
> >  	}
> >  
> >  	/* Check whether this plane supports the fb pixel format. */
> > -	ret = drm_plane_check_pixel_format(plane, fb->format->format);
> > +	ret = drm_plane_check_pixel_format(plane, fb->format->format,
> > +					   fb->modifier);
> >  	if (ret) {
> >  		struct drm_format_name_buf format_name;
> > -		DRM_DEBUG_KMS("Invalid pixel format %s\n",
> > -		              drm_get_format_name(fb->format->format,
> > -		                                  &format_name));
> > +		DRM_DEBUG_KMS("Invalid pixel format %s, modifier 0x%llx\n",
> > +			      drm_get_format_name(fb->format->format,
> > +						  &format_name),
> > +			      fb->modifier);
> >  		goto out;
> >  	}
> >  
> > -- 
> > 2.13.6
> > 
> > _______________________________________________
> > Intel-gfx mailing list
> > Intel-gfx@lists.freedesktop.org
> > https://lists.freedesktop.org/mailman/listinfo/intel-gfx
> 
> -- 
> Daniel Vetter
> Software Engineer, Intel Corporation
> http://blog.ffwll.ch
diff mbox

Patch

diff --git a/drivers/gpu/drm/drm_atomic.c b/drivers/gpu/drm/drm_atomic.c
index b76d49218cf1..6e5c3ea1e43b 100644
--- a/drivers/gpu/drm/drm_atomic.c
+++ b/drivers/gpu/drm/drm_atomic.c
@@ -882,12 +882,14 @@  static int drm_atomic_plane_check(struct drm_plane *plane,
 	}
 
 	/* Check whether this plane supports the fb pixel format. */
-	ret = drm_plane_check_pixel_format(plane, state->fb->format->format);
+	ret = drm_plane_check_pixel_format(plane, state->fb->format->format,
+					   state->fb->modifier);
 	if (ret) {
 		struct drm_format_name_buf format_name;
-		DRM_DEBUG_ATOMIC("Invalid pixel format %s\n",
-		                 drm_get_format_name(state->fb->format->format,
-		                                     &format_name));
+		DRM_DEBUG_ATOMIC("Invalid pixel format %s, modifier 0x%llx\n",
+				 drm_get_format_name(state->fb->format->format,
+						     &format_name),
+				 state->fb->modifier);
 		return ret;
 	}
 
diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c
index f0556e654116..816c30a0f030 100644
--- a/drivers/gpu/drm/drm_crtc.c
+++ b/drivers/gpu/drm/drm_crtc.c
@@ -625,12 +625,14 @@  int drm_mode_setcrtc(struct drm_device *dev, void *data,
 		 */
 		if (!crtc->primary->format_default) {
 			ret = drm_plane_check_pixel_format(crtc->primary,
-							   fb->format->format);
+							   fb->format->format,
+							   fb->modifier);
 			if (ret) {
 				struct drm_format_name_buf format_name;
-				DRM_DEBUG_KMS("Invalid pixel format %s\n",
-				              drm_get_format_name(fb->format->format,
-				                                  &format_name));
+				DRM_DEBUG_KMS("Invalid pixel format %s, modifier 0x%llx\n",
+					      drm_get_format_name(fb->format->format,
+								  &format_name),
+					      fb->modifier);
 				goto out;
 			}
 		}
diff --git a/drivers/gpu/drm/drm_crtc_internal.h b/drivers/gpu/drm/drm_crtc_internal.h
index af00f42ba269..860968a64ae7 100644
--- a/drivers/gpu/drm/drm_crtc_internal.h
+++ b/drivers/gpu/drm/drm_crtc_internal.h
@@ -196,8 +196,8 @@  int drm_mode_atomic_ioctl(struct drm_device *dev,
 /* drm_plane.c */
 int drm_plane_register_all(struct drm_device *dev);
 void drm_plane_unregister_all(struct drm_device *dev);
-int drm_plane_check_pixel_format(const struct drm_plane *plane,
-				 u32 format);
+int drm_plane_check_pixel_format(struct drm_plane *plane,
+				 u32 format, u64 modifier);
 
 /* drm_bridge.c */
 void drm_bridge_detach(struct drm_bridge *bridge);
diff --git a/drivers/gpu/drm/drm_plane.c b/drivers/gpu/drm/drm_plane.c
index 2c90519576a3..8ac19379fe99 100644
--- a/drivers/gpu/drm/drm_plane.c
+++ b/drivers/gpu/drm/drm_plane.c
@@ -545,16 +545,33 @@  int drm_mode_getplane(struct drm_device *dev, void *data,
 	return 0;
 }
 
-int drm_plane_check_pixel_format(const struct drm_plane *plane, u32 format)
+int drm_plane_check_pixel_format(struct drm_plane *plane,
+				 u32 format, u64 modifier)
 {
 	unsigned int i;
 
 	for (i = 0; i < plane->format_count; i++) {
 		if (format == plane->format_types[i])
-			return 0;
+			break;
+	}
+	if (i == plane->format_count)
+		return -EINVAL;
+
+	if (!plane->modifier_count)
+		return 0;
+
+	for (i = 0; i < plane->modifier_count; i++) {
+		if (modifier == plane->modifiers[i])
+			break;
 	}
+	if (i == plane->modifier_count)
+		return -EINVAL;
 
-	return -EINVAL;
+	if (plane->funcs->format_mod_supported &&
+	    !plane->funcs->format_mod_supported(plane, format, modifier))
+		return -EINVAL;
+
+	return 0;
 }
 
 /*
@@ -598,12 +615,14 @@  static int __setplane_internal(struct drm_plane *plane,
 	}
 
 	/* Check whether this plane supports the fb pixel format. */
-	ret = drm_plane_check_pixel_format(plane, fb->format->format);
+	ret = drm_plane_check_pixel_format(plane, fb->format->format,
+					   fb->modifier);
 	if (ret) {
 		struct drm_format_name_buf format_name;
-		DRM_DEBUG_KMS("Invalid pixel format %s\n",
-		              drm_get_format_name(fb->format->format,
-		                                  &format_name));
+		DRM_DEBUG_KMS("Invalid pixel format %s, modifier 0x%llx\n",
+			      drm_get_format_name(fb->format->format,
+						  &format_name),
+			      fb->modifier);
 		goto out;
 	}