drm/i915/intel_fb: Pull FB plane functions from intel_sprite.c

Move the FB plane specific function from intel_sprite.c to intel_fb.c
Signed-off-by: Imre Deak <imre.deak@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210325214808.2071517-10-imre.deak@intel.com

drivers/gpu/drm/i915/display/intel_fb.c

@@ -64,3 +64,35 @@ int skl_main_to_aux_plane(const struct drm_framebuffer *fb, int main_plane)
 	else
 		return 0;
 }
+
+int intel_plane_check_stride(const struct intel_plane_state *plane_state)
+{
+	struct intel_plane *plane = to_intel_plane(plane_state->uapi.plane);
+	const struct drm_framebuffer *fb = plane_state->hw.fb;
+	unsigned int rotation = plane_state->hw.rotation;
+	u32 stride, max_stride;
+
+	/*
+	 * We ignore stride for all invisible planes that
+	 * can be remapped. Otherwise we could end up
+	 * with a false positive when the remapping didn't
+	 * kick in due the plane being invisible.
+	 */
+	if (intel_plane_can_remap(plane_state) &&
+	    !plane_state->uapi.visible)
+		return 0;
+
+	/* FIXME other color planes? */
+	stride = plane_state->color_plane[0].stride;
+	max_stride = plane->max_stride(plane, fb->format->format,
+				       fb->modifier, rotation);
+
+	if (stride > max_stride) {
+		DRM_DEBUG_KMS("[FB:%d] stride (%d) exceeds [PLANE:%d:%s] max stride (%d)\n",
+			      fb->base.id, stride,
+			      plane->base.base.id, plane->base.name, max_stride);
+		return -EINVAL;
+	}
+
+	return 0;
+}

drivers/gpu/drm/i915/display/intel_fb.h

@@ -10,6 +10,8 @@
 
 struct drm_framebuffer;
 
+struct intel_plane_state;
+
 bool is_ccs_plane(const struct drm_framebuffer *fb, int plane);
 bool is_gen12_ccs_plane(const struct drm_framebuffer *fb, int plane);
 bool is_gen12_ccs_cc_plane(const struct drm_framebuffer *fb, int plane);
@@ -20,4 +22,6 @@ int main_to_ccs_plane(const struct drm_framebuffer *fb, int main_plane);
 int skl_ccs_to_main_plane(const struct drm_framebuffer *fb, int ccs_plane);
 int skl_main_to_aux_plane(const struct drm_framebuffer *fb, int main_plane);
 
+int intel_plane_check_stride(const struct intel_plane_state *plane_state);
+
 #endif /* __INTEL_FB_H__ */

drivers/gpu/drm/i915/display/intel_sprite.c

@@ -49,38 +49,6 @@
 #include "i9xx_plane.h"
 #include "intel_vrr.h"
 
-int intel_plane_check_stride(const struct intel_plane_state *plane_state)
-{
-	struct intel_plane *plane = to_intel_plane(plane_state->uapi.plane);
-	const struct drm_framebuffer *fb = plane_state->hw.fb;
-	unsigned int rotation = plane_state->hw.rotation;
-	u32 stride, max_stride;
-
-	/*
-	 * We ignore stride for all invisible planes that
-	 * can be remapped. Otherwise we could end up
-	 * with a false positive when the remapping didn't
-	 * kick in due the plane being invisible.
-	 */
-	if (intel_plane_can_remap(plane_state) &&
-	    !plane_state->uapi.visible)
-		return 0;
-
-	/* FIXME other color planes? */
-	stride = plane_state->color_plane[0].stride;
-	max_stride = plane->max_stride(plane, fb->format->format,
-				       fb->modifier, rotation);
-
-	if (stride > max_stride) {
-		DRM_DEBUG_KMS("[FB:%d] stride (%d) exceeds [PLANE:%d:%s] max stride (%d)\n",
-			      fb->base.id, stride,
-			      plane->base.base.id, plane->base.name, max_stride);
-		return -EINVAL;
-	}
-
-	return 0;
-}
-
 int intel_plane_check_src_coordinates(struct intel_plane_state *plane_state)
 {
 	const struct drm_framebuffer *fb = plane_state->hw.fb;

drivers/gpu/drm/i915/display/intel_sprite.h

@@ -35,7 +35,6 @@ int intel_sprite_set_colorkey_ioctl(struct drm_device *dev, void *data,
 				    struct drm_file *file_priv);
 void intel_pipe_update_start(const struct intel_crtc_state *new_crtc_state);
 void intel_pipe_update_end(struct intel_crtc_state *new_crtc_state);
-int intel_plane_check_stride(const struct intel_plane_state *plane_state);
 int intel_plane_check_src_coordinates(struct intel_plane_state *plane_state);
 int chv_plane_check_rotation(const struct intel_plane_state *plane_state);