diff mbox series

[v10,3/4] drm/i915/display: Acomodate format check in can_async_flip()

Message ID 20250328-asyn-v10-3-8b8ad12cfc97@intel.com (mailing list archive)
State New
Headers show
Series Expose modifiers/formats supported by async flips | expand

Commit Message

Arun R Murthy March 28, 2025, 9:29 a.m. UTC
The function pointer can_async_flip() checks for async supported
modifier, add format support check also in the same function.

Signed-off-by: Arun R Murthy <arun.r.murthy@intel.com>
---
 drivers/gpu/drm/i915/display/i9xx_plane.c          |  4 ++--
 drivers/gpu/drm/i915/display/intel_atomic_plane.c  | 11 ++++++++++-
 drivers/gpu/drm/i915/display/intel_atomic_plane.h  |  3 ++-
 drivers/gpu/drm/i915/display/intel_display.c       | 14 ++++----------
 drivers/gpu/drm/i915/display/skl_universal_plane.c |  2 +-
 5 files changed, 19 insertions(+), 15 deletions(-)

Comments

Ville Syrjälä March 28, 2025, 10:40 a.m. UTC | #1
On Fri, Mar 28, 2025 at 02:59:15PM +0530, Arun R Murthy wrote:
> The function pointer can_async_flip() checks for async supported
> modifier, add format support check also in the same function.
> 
> Signed-off-by: Arun R Murthy <arun.r.murthy@intel.com>
> ---
>  drivers/gpu/drm/i915/display/i9xx_plane.c          |  4 ++--
>  drivers/gpu/drm/i915/display/intel_atomic_plane.c  | 11 ++++++++++-
>  drivers/gpu/drm/i915/display/intel_atomic_plane.h  |  3 ++-
>  drivers/gpu/drm/i915/display/intel_display.c       | 14 ++++----------
>  drivers/gpu/drm/i915/display/skl_universal_plane.c |  2 +-
>  5 files changed, 19 insertions(+), 15 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/display/i9xx_plane.c b/drivers/gpu/drm/i915/display/i9xx_plane.c
> index 5e8344fdfc28a311dc0632bb848a0e08f9e6c6d2..20c47de6d8bfd1d8ddafae02ed68370df799e22b 100644
> --- a/drivers/gpu/drm/i915/display/i9xx_plane.c
> +++ b/drivers/gpu/drm/i915/display/i9xx_plane.c
> @@ -828,7 +828,7 @@ unsigned int vlv_plane_min_alignment(struct intel_plane *plane,
>  {
>  	struct intel_display *display = to_intel_display(plane);
>  
> -	if (intel_plane_can_async_flip(plane, fb->modifier))
> +	if (intel_plane_can_async_flip(plane, fb->format->format, fb->modifier))
>  		return 256 * 1024;
>  
>  	/* FIXME undocumented so not sure what's actually needed */
> @@ -852,7 +852,7 @@ static unsigned int g4x_primary_min_alignment(struct intel_plane *plane,
>  {
>  	struct intel_display *display = to_intel_display(plane);
>  
> -	if (intel_plane_can_async_flip(plane, fb->modifier))
> +	if (intel_plane_can_async_flip(plane, fb->format->format, fb->modifier))
>  		return 256 * 1024;
>  
>  	if (intel_scanout_needs_vtd_wa(display))
> diff --git a/drivers/gpu/drm/i915/display/intel_atomic_plane.c b/drivers/gpu/drm/i915/display/intel_atomic_plane.c
> index 7276179df878658b7053fe6d8dc37b69f19625e3..5260b9e723af3f654cb36512fe0b5368523082e6 100644
> --- a/drivers/gpu/drm/i915/display/intel_atomic_plane.c
> +++ b/drivers/gpu/drm/i915/display/intel_atomic_plane.c
> @@ -174,8 +174,17 @@ bool intel_plane_needs_physical(struct intel_plane *plane)
>  		DISPLAY_INFO(display)->cursor_needs_physical;
>  }
>  
> -bool intel_plane_can_async_flip(struct intel_plane *plane, u64 modifier)
> +bool intel_plane_can_async_flip(struct intel_plane *plane, u32 format,
> +				u64 modifier)
>  {
> +	if (intel_format_info_is_yuv_semiplanar(drm_format_info(format), modifier)
> +	    || format == DRM_FORMAT_C8) {

You're still mixing refactoring and functional changes in
one patch. The C8 check needs to be a separate patch.

Also the || goes to the end of the line.

> +		drm_dbg_kms(plane->base.dev,
> +			    "[PLANE:%d:%s] Planar formats do not support async flips\n",
> +			    plane->base.base.id, plane->base.name);
> +		return false;
> +	}
> +
>  	return plane->can_async_flip && plane->can_async_flip(modifier);
>  }
>  
> diff --git a/drivers/gpu/drm/i915/display/intel_atomic_plane.h b/drivers/gpu/drm/i915/display/intel_atomic_plane.h
> index 6efac923dcbc757e6f68564cbef2919c920f13cb..772a12aa9c6997d77b9393f964e91f3e8747d149 100644
> --- a/drivers/gpu/drm/i915/display/intel_atomic_plane.h
> +++ b/drivers/gpu/drm/i915/display/intel_atomic_plane.h
> @@ -21,7 +21,8 @@ enum plane_id;
>  
>  struct intel_plane *
>  intel_crtc_get_plane(struct intel_crtc *crtc, enum plane_id plane_id);
> -bool intel_plane_can_async_flip(struct intel_plane *plane, u64 modifier);
> +bool intel_plane_can_async_flip(struct intel_plane *plane, u32 format,
> +				u64 modifier);
>  unsigned int intel_adjusted_rate(const struct drm_rect *src,
>  				 const struct drm_rect *dst,
>  				 unsigned int rate);
> diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c
> index ee7812126129227971be89d3a79f944155620b03..ff349355ac95a039272f2fe174034ca06a555249 100644
> --- a/drivers/gpu/drm/i915/display/intel_display.c
> +++ b/drivers/gpu/drm/i915/display/intel_display.c
> @@ -5998,22 +5998,16 @@ static int intel_async_flip_check_hw(struct intel_atomic_state *state, struct in
>  		if (!plane->async_flip)
>  			continue;
>  
> -		if (!intel_plane_can_async_flip(plane, new_plane_state->hw.fb->modifier)) {
> +		if (!intel_plane_can_async_flip(plane, new_plane_state->hw.fb->format->format,
> +						new_plane_state->hw.fb->modifier)) {
>  			drm_dbg_kms(display->drm,
> -				    "[PLANE:%d:%s] Modifier 0x%llx does not support async flip\n",
> +				    "[PLANE:%d:%s] Format %p4cc Modifier 0x%llx does not support async flip\n",
>  				    plane->base.base.id, plane->base.name,
> +				    &new_plane_state->hw.fb->format->format,
>  				    new_plane_state->hw.fb->modifier);
>  			return -EINVAL;
>  		}
>  
> -		if (intel_format_info_is_yuv_semiplanar(new_plane_state->hw.fb->format,
> -							new_plane_state->hw.fb->modifier)) {
> -			drm_dbg_kms(display->drm,
> -				    "[PLANE:%d:%s] Planar formats do not support async flips\n",
> -				    plane->base.base.id, plane->base.name);
> -			return -EINVAL;
> -		}
> -
>  		/*
>  		 * We turn the first async flip request into a sync flip
>  		 * so that we can reconfigure the plane (eg. change modifier).
> diff --git a/drivers/gpu/drm/i915/display/skl_universal_plane.c b/drivers/gpu/drm/i915/display/skl_universal_plane.c
> index 8739195aba696d13b30e1b978c8b2bb5e188119b..8f6170a5c108a000582f3415f78bad279254d8cf 100644
> --- a/drivers/gpu/drm/i915/display/skl_universal_plane.c
> +++ b/drivers/gpu/drm/i915/display/skl_universal_plane.c
> @@ -601,7 +601,7 @@ static u32 tgl_plane_min_alignment(struct intel_plane *plane,
>  	 * Figure out what's going on here...
>  	 */
>  	if (display->platform.alderlake_p &&
> -	    intel_plane_can_async_flip(plane, fb->modifier))
> +	    intel_plane_can_async_flip(plane, fb->format->format, fb->modifier))
>  		return mult * 16 * 1024;
>  
>  	switch (fb->modifier) {
> 
> -- 
> 2.25.1
Arun R Murthy March 28, 2025, 12:42 p.m. UTC | #2
> On Fri, Mar 28, 2025 at 02:59:15PM +0530, Arun R Murthy wrote:
> > The function pointer can_async_flip() checks for async supported
> > modifier, add format support check also in the same function.
> >
> > Signed-off-by: Arun R Murthy <arun.r.murthy@intel.com>
> > ---
> >  drivers/gpu/drm/i915/display/i9xx_plane.c          |  4 ++--
> >  drivers/gpu/drm/i915/display/intel_atomic_plane.c  | 11 ++++++++++-
> > drivers/gpu/drm/i915/display/intel_atomic_plane.h  |  3 ++-
> >  drivers/gpu/drm/i915/display/intel_display.c       | 14 ++++----------
> >  drivers/gpu/drm/i915/display/skl_universal_plane.c |  2 +-
> >  5 files changed, 19 insertions(+), 15 deletions(-)
> >
> > diff --git a/drivers/gpu/drm/i915/display/i9xx_plane.c
> > b/drivers/gpu/drm/i915/display/i9xx_plane.c
> > index
> >
> 5e8344fdfc28a311dc0632bb848a0e08f9e6c6d2..20c47de6d8bfd1d8ddafae02e
> d68
> > 370df799e22b 100644
> > --- a/drivers/gpu/drm/i915/display/i9xx_plane.c
> > +++ b/drivers/gpu/drm/i915/display/i9xx_plane.c
> > @@ -828,7 +828,7 @@ unsigned int vlv_plane_min_alignment(struct
> > intel_plane *plane,  {
> >  	struct intel_display *display = to_intel_display(plane);
> >
> > -	if (intel_plane_can_async_flip(plane, fb->modifier))
> > +	if (intel_plane_can_async_flip(plane, fb->format->format,
> > +fb->modifier))
> >  		return 256 * 1024;
> >
> >  	/* FIXME undocumented so not sure what's actually needed */ @@
> > -852,7 +852,7 @@ static unsigned int g4x_primary_min_alignment(struct
> > intel_plane *plane,  {
> >  	struct intel_display *display = to_intel_display(plane);
> >
> > -	if (intel_plane_can_async_flip(plane, fb->modifier))
> > +	if (intel_plane_can_async_flip(plane, fb->format->format,
> > +fb->modifier))
> >  		return 256 * 1024;
> >
> >  	if (intel_scanout_needs_vtd_wa(display))
> > diff --git a/drivers/gpu/drm/i915/display/intel_atomic_plane.c
> > b/drivers/gpu/drm/i915/display/intel_atomic_plane.c
> > index
> >
> 7276179df878658b7053fe6d8dc37b69f19625e3..5260b9e723af3f654cb36512
> fe0b
> > 5368523082e6 100644
> > --- a/drivers/gpu/drm/i915/display/intel_atomic_plane.c
> > +++ b/drivers/gpu/drm/i915/display/intel_atomic_plane.c
> > @@ -174,8 +174,17 @@ bool intel_plane_needs_physical(struct intel_plane
> *plane)
> >  		DISPLAY_INFO(display)->cursor_needs_physical;
> >  }
> >
> > -bool intel_plane_can_async_flip(struct intel_plane *plane, u64
> > modifier)
> > +bool intel_plane_can_async_flip(struct intel_plane *plane, u32 format,
> > +				u64 modifier)
> >  {
> > +	if (intel_format_info_is_yuv_semiplanar(drm_format_info(format),
> modifier)
> > +	    || format == DRM_FORMAT_C8) {
> 
> You're still mixing refactoring and functional changes in one patch. The C8 check
> needs to be a separate patch.
> 
> Also the || goes to the end of the line.
> 
Will change it.

Thanks and Regards,
Arun R Murthy
--------------------
> > +		drm_dbg_kms(plane->base.dev,
> > +			    "[PLANE:%d:%s] Planar formats do not support
> async flips\n",
> > +			    plane->base.base.id, plane->base.name);
> > +		return false;
> > +	}
> > +
> >  	return plane->can_async_flip && plane->can_async_flip(modifier);  }
> >
> > diff --git a/drivers/gpu/drm/i915/display/intel_atomic_plane.h
> > b/drivers/gpu/drm/i915/display/intel_atomic_plane.h
> > index
> >
> 6efac923dcbc757e6f68564cbef2919c920f13cb..772a12aa9c6997d77b9393f96
> 4e9
> > 1f3e8747d149 100644
> > --- a/drivers/gpu/drm/i915/display/intel_atomic_plane.h
> > +++ b/drivers/gpu/drm/i915/display/intel_atomic_plane.h
> > @@ -21,7 +21,8 @@ enum plane_id;
> >
> >  struct intel_plane *
> >  intel_crtc_get_plane(struct intel_crtc *crtc, enum plane_id
> > plane_id); -bool intel_plane_can_async_flip(struct intel_plane *plane,
> > u64 modifier);
> > +bool intel_plane_can_async_flip(struct intel_plane *plane, u32 format,
> > +				u64 modifier);
> >  unsigned int intel_adjusted_rate(const struct drm_rect *src,
> >  				 const struct drm_rect *dst,
> >  				 unsigned int rate);
> > diff --git a/drivers/gpu/drm/i915/display/intel_display.c
> > b/drivers/gpu/drm/i915/display/intel_display.c
> > index
> >
> ee7812126129227971be89d3a79f944155620b03..ff349355ac95a039272f2fe1
> 7403
> > 4ca06a555249 100644
> > --- a/drivers/gpu/drm/i915/display/intel_display.c
> > +++ b/drivers/gpu/drm/i915/display/intel_display.c
> > @@ -5998,22 +5998,16 @@ static int intel_async_flip_check_hw(struct
> intel_atomic_state *state, struct in
> >  		if (!plane->async_flip)
> >  			continue;
> >
> > -		if (!intel_plane_can_async_flip(plane, new_plane_state->hw.fb-
> >modifier)) {
> > +		if (!intel_plane_can_async_flip(plane, new_plane_state->hw.fb-
> >format->format,
> > +						new_plane_state->hw.fb-
> >modifier)) {
> >  			drm_dbg_kms(display->drm,
> > -				    "[PLANE:%d:%s] Modifier 0x%llx does not
> support async flip\n",
> > +				    "[PLANE:%d:%s] Format %p4cc Modifier
> 0x%llx does not support
> > +async flip\n",
> >  				    plane->base.base.id, plane->base.name,
> > +				    &new_plane_state->hw.fb->format->format,
> >  				    new_plane_state->hw.fb->modifier);
> >  			return -EINVAL;
> >  		}
> >
> > -		if (intel_format_info_is_yuv_semiplanar(new_plane_state-
> >hw.fb->format,
> > -							new_plane_state-
> >hw.fb->modifier)) {
> > -			drm_dbg_kms(display->drm,
> > -				    "[PLANE:%d:%s] Planar formats do not
> support async flips\n",
> > -				    plane->base.base.id, plane->base.name);
> > -			return -EINVAL;
> > -		}
> > -
> >  		/*
> >  		 * We turn the first async flip request into a sync flip
> >  		 * so that we can reconfigure the plane (eg. change modifier).
> > diff --git a/drivers/gpu/drm/i915/display/skl_universal_plane.c
> > b/drivers/gpu/drm/i915/display/skl_universal_plane.c
> > index
> >
> 8739195aba696d13b30e1b978c8b2bb5e188119b..8f6170a5c108a000582f341
> 5f78b
> > ad279254d8cf 100644
> > --- a/drivers/gpu/drm/i915/display/skl_universal_plane.c
> > +++ b/drivers/gpu/drm/i915/display/skl_universal_plane.c
> > @@ -601,7 +601,7 @@ static u32 tgl_plane_min_alignment(struct
> intel_plane *plane,
> >  	 * Figure out what's going on here...
> >  	 */
> >  	if (display->platform.alderlake_p &&
> > -	    intel_plane_can_async_flip(plane, fb->modifier))
> > +	    intel_plane_can_async_flip(plane, fb->format->format,
> > +fb->modifier))
> >  		return mult * 16 * 1024;
> >
> >  	switch (fb->modifier) {
> >
> > --
> > 2.25.1
> 
> --
> Ville Syrjälä
> Intel
diff mbox series

Patch

diff --git a/drivers/gpu/drm/i915/display/i9xx_plane.c b/drivers/gpu/drm/i915/display/i9xx_plane.c
index 5e8344fdfc28a311dc0632bb848a0e08f9e6c6d2..20c47de6d8bfd1d8ddafae02ed68370df799e22b 100644
--- a/drivers/gpu/drm/i915/display/i9xx_plane.c
+++ b/drivers/gpu/drm/i915/display/i9xx_plane.c
@@ -828,7 +828,7 @@  unsigned int vlv_plane_min_alignment(struct intel_plane *plane,
 {
 	struct intel_display *display = to_intel_display(plane);
 
-	if (intel_plane_can_async_flip(plane, fb->modifier))
+	if (intel_plane_can_async_flip(plane, fb->format->format, fb->modifier))
 		return 256 * 1024;
 
 	/* FIXME undocumented so not sure what's actually needed */
@@ -852,7 +852,7 @@  static unsigned int g4x_primary_min_alignment(struct intel_plane *plane,
 {
 	struct intel_display *display = to_intel_display(plane);
 
-	if (intel_plane_can_async_flip(plane, fb->modifier))
+	if (intel_plane_can_async_flip(plane, fb->format->format, fb->modifier))
 		return 256 * 1024;
 
 	if (intel_scanout_needs_vtd_wa(display))
diff --git a/drivers/gpu/drm/i915/display/intel_atomic_plane.c b/drivers/gpu/drm/i915/display/intel_atomic_plane.c
index 7276179df878658b7053fe6d8dc37b69f19625e3..5260b9e723af3f654cb36512fe0b5368523082e6 100644
--- a/drivers/gpu/drm/i915/display/intel_atomic_plane.c
+++ b/drivers/gpu/drm/i915/display/intel_atomic_plane.c
@@ -174,8 +174,17 @@  bool intel_plane_needs_physical(struct intel_plane *plane)
 		DISPLAY_INFO(display)->cursor_needs_physical;
 }
 
-bool intel_plane_can_async_flip(struct intel_plane *plane, u64 modifier)
+bool intel_plane_can_async_flip(struct intel_plane *plane, u32 format,
+				u64 modifier)
 {
+	if (intel_format_info_is_yuv_semiplanar(drm_format_info(format), modifier)
+	    || format == DRM_FORMAT_C8) {
+		drm_dbg_kms(plane->base.dev,
+			    "[PLANE:%d:%s] Planar formats do not support async flips\n",
+			    plane->base.base.id, plane->base.name);
+		return false;
+	}
+
 	return plane->can_async_flip && plane->can_async_flip(modifier);
 }
 
diff --git a/drivers/gpu/drm/i915/display/intel_atomic_plane.h b/drivers/gpu/drm/i915/display/intel_atomic_plane.h
index 6efac923dcbc757e6f68564cbef2919c920f13cb..772a12aa9c6997d77b9393f964e91f3e8747d149 100644
--- a/drivers/gpu/drm/i915/display/intel_atomic_plane.h
+++ b/drivers/gpu/drm/i915/display/intel_atomic_plane.h
@@ -21,7 +21,8 @@  enum plane_id;
 
 struct intel_plane *
 intel_crtc_get_plane(struct intel_crtc *crtc, enum plane_id plane_id);
-bool intel_plane_can_async_flip(struct intel_plane *plane, u64 modifier);
+bool intel_plane_can_async_flip(struct intel_plane *plane, u32 format,
+				u64 modifier);
 unsigned int intel_adjusted_rate(const struct drm_rect *src,
 				 const struct drm_rect *dst,
 				 unsigned int rate);
diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c
index ee7812126129227971be89d3a79f944155620b03..ff349355ac95a039272f2fe174034ca06a555249 100644
--- a/drivers/gpu/drm/i915/display/intel_display.c
+++ b/drivers/gpu/drm/i915/display/intel_display.c
@@ -5998,22 +5998,16 @@  static int intel_async_flip_check_hw(struct intel_atomic_state *state, struct in
 		if (!plane->async_flip)
 			continue;
 
-		if (!intel_plane_can_async_flip(plane, new_plane_state->hw.fb->modifier)) {
+		if (!intel_plane_can_async_flip(plane, new_plane_state->hw.fb->format->format,
+						new_plane_state->hw.fb->modifier)) {
 			drm_dbg_kms(display->drm,
-				    "[PLANE:%d:%s] Modifier 0x%llx does not support async flip\n",
+				    "[PLANE:%d:%s] Format %p4cc Modifier 0x%llx does not support async flip\n",
 				    plane->base.base.id, plane->base.name,
+				    &new_plane_state->hw.fb->format->format,
 				    new_plane_state->hw.fb->modifier);
 			return -EINVAL;
 		}
 
-		if (intel_format_info_is_yuv_semiplanar(new_plane_state->hw.fb->format,
-							new_plane_state->hw.fb->modifier)) {
-			drm_dbg_kms(display->drm,
-				    "[PLANE:%d:%s] Planar formats do not support async flips\n",
-				    plane->base.base.id, plane->base.name);
-			return -EINVAL;
-		}
-
 		/*
 		 * We turn the first async flip request into a sync flip
 		 * so that we can reconfigure the plane (eg. change modifier).
diff --git a/drivers/gpu/drm/i915/display/skl_universal_plane.c b/drivers/gpu/drm/i915/display/skl_universal_plane.c
index 8739195aba696d13b30e1b978c8b2bb5e188119b..8f6170a5c108a000582f3415f78bad279254d8cf 100644
--- a/drivers/gpu/drm/i915/display/skl_universal_plane.c
+++ b/drivers/gpu/drm/i915/display/skl_universal_plane.c
@@ -601,7 +601,7 @@  static u32 tgl_plane_min_alignment(struct intel_plane *plane,
 	 * Figure out what's going on here...
 	 */
 	if (display->platform.alderlake_p &&
-	    intel_plane_can_async_flip(plane, fb->modifier))
+	    intel_plane_can_async_flip(plane, fb->format->format, fb->modifier))
 		return mult * 16 * 1024;
 
 	switch (fb->modifier) {