drm/vmwgfx: Pass along the format info from .fb_create() to drm_helper_mode_fill_fb_struct()

Plumb the format info from .fb_create() all the way to
drm_helper_mode_fill_fb_struct() to avoid the redundant
lookup.

Cc: Zack Rusin <zack.rusin@broadcom.com>
Cc: Broadcom internal kernel review list <bcm-kernel-feedback-list@broadcom.com>
Reviewed-by: Thomas Zimmermann <tzimmermann@suse.de>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20250701090722.13645-19-ville.syrjala@linux.intel.com

Author: vsyrjala

drivers/gpu/drm/vmwgfx/vmwgfx_kms.c

@@ -500,6 +500,7 @@ static const struct drm_framebuffer_funcs vmw_framebuffer_surface_funcs = {
 static int vmw_kms_new_framebuffer_surface(struct vmw_private *dev_priv,
 					   struct vmw_user_object *uo,
 					   struct vmw_framebuffer **out,
+					   const struct drm_format_info *info,
 					   const struct drm_mode_fb_cmd2
 					   *mode_cmd)
 
@@ -548,7 +549,7 @@ static int vmw_kms_new_framebuffer_surface(struct vmw_private *dev_priv,
 		goto out_err1;
 	}
 
-	drm_helper_mode_fill_fb_struct(dev, &vfbs->base.base, NULL, mode_cmd);
+	drm_helper_mode_fill_fb_struct(dev, &vfbs->base.base, info, mode_cmd);
 	memcpy(&vfbs->uo, uo, sizeof(vfbs->uo));
 	vmw_user_object_ref(&vfbs->uo);
 
@@ -602,6 +603,7 @@ static const struct drm_framebuffer_funcs vmw_framebuffer_bo_funcs = {
 static int vmw_kms_new_framebuffer_bo(struct vmw_private *dev_priv,
 				      struct vmw_bo *bo,
 				      struct vmw_framebuffer **out,
+				      const struct drm_format_info *info,
 				      const struct drm_mode_fb_cmd2
 				      *mode_cmd)
 
@@ -634,7 +636,7 @@ static int vmw_kms_new_framebuffer_bo(struct vmw_private *dev_priv,
 	}
 
 	vfbd->base.base.obj[0] = &bo->tbo.base;
-	drm_helper_mode_fill_fb_struct(dev, &vfbd->base.base, NULL, mode_cmd);
+	drm_helper_mode_fill_fb_struct(dev, &vfbd->base.base, info, mode_cmd);
 	vfbd->base.bo = true;
 	vfbd->buffer = vmw_bo_reference(bo);
 	*out = &vfbd->base;
@@ -679,11 +681,13 @@ vmw_kms_srf_ok(struct vmw_private *dev_priv, uint32_t width, uint32_t height)
  * @dev_priv: Pointer to device private struct.
  * @uo: Pointer to user object to wrap the kms framebuffer around.
  * Either the buffer or surface inside the user object must be NULL.
+ * @info: pixel format information.
  * @mode_cmd: Frame-buffer metadata.
  */
 struct vmw_framebuffer *
 vmw_kms_new_framebuffer(struct vmw_private *dev_priv,
 			struct vmw_user_object *uo,
+			const struct drm_format_info *info,
 			const struct drm_mode_fb_cmd2 *mode_cmd)
 {
 	struct vmw_framebuffer *vfb = NULL;
@@ -692,10 +696,10 @@ vmw_kms_new_framebuffer(struct vmw_private *dev_priv,
 	/* Create the new framebuffer depending one what we have */
 	if (vmw_user_object_surface(uo)) {
 		ret = vmw_kms_new_framebuffer_surface(dev_priv, uo, &vfb,
-						      mode_cmd);
+						      info, mode_cmd);
 	} else if (uo->buffer) {
 		ret = vmw_kms_new_framebuffer_bo(dev_priv, uo->buffer, &vfb,
-						 mode_cmd);
+						 info, mode_cmd);
 	} else {
 		BUG();
 	}
@@ -742,7 +746,7 @@ static struct drm_framebuffer *vmw_kms_fb_create(struct drm_device *dev,
 	}
 
 
-	vfb = vmw_kms_new_framebuffer(dev_priv, &uo, mode_cmd);
+	vfb = vmw_kms_new_framebuffer(dev_priv, &uo, info, mode_cmd);
 	if (IS_ERR(vfb)) {
 		ret = PTR_ERR(vfb);
 		goto err_out;

drivers/gpu/drm/vmwgfx/vmwgfx_kms.h

@@ -399,6 +399,7 @@ int vmw_kms_readback(struct vmw_private *dev_priv,
 struct vmw_framebuffer *
 vmw_kms_new_framebuffer(struct vmw_private *dev_priv,
 			struct vmw_user_object *uo,
+			const struct drm_format_info *info,
 			const struct drm_mode_fb_cmd2 *mode_cmd);
 void vmw_guess_mode_timing(struct drm_display_mode *mode);
 void vmw_kms_update_implicit_fb(struct vmw_private *dev_priv);