drm: Pass the format info to .fb_create()

Pass along the format information from the top to .fb_create()
so that we can avoid redundant (and somewhat expensive) lookups
in the drivers.

Done with cocci (with some manual fixups):
@@
identifier func =~ ".*create.*";
identifier dev, file, mode_cmd;
@@
struct drm_framebuffer *func(
       struct drm_device *dev,
       struct drm_file *file,
+      const struct drm_format_info *info,
       const struct drm_mode_fb_cmd2 *mode_cmd)
{
...
(
- const struct drm_format_info *info = drm_get_format_info(...);
|
- const struct drm_format_info *info;
...
- info = drm_get_format_info(...);
)
<...
- if (!info)
-    return ...;
...>
}

@@
identifier func =~ ".*create.*";
identifier dev, file, mode_cmd;
@@
struct drm_framebuffer *func(
       struct drm_device *dev,
       struct drm_file *file,
+      const struct drm_format_info *info,
       const struct drm_mode_fb_cmd2 *mode_cmd)
{
...
}

@find@
identifier fb_create_func =~ ".*create.*";
identifier dev, file, mode_cmd;
@@
struct drm_framebuffer *fb_create_func(
       struct drm_device *dev,
       struct drm_file *file,
+      const struct drm_format_info *info,
       const struct drm_mode_fb_cmd2 *mode_cmd);

@@
identifier find.fb_create_func;
expression dev, file, mode_cmd;
@@
fb_create_func(dev, file
+	       ,info
	       ,mode_cmd)

@@
expression dev, file, mode_cmd;
@@
drm_gem_fb_create(dev, file
+	       ,info
	       ,mode_cmd)

@@
expression dev, file, mode_cmd;
@@
drm_gem_fb_create_with_dirty(dev, file
+	       ,info
	       ,mode_cmd)

@@
expression dev, file_priv, mode_cmd;
identifier info, fb;
@@
info = drm_get_format_info(...);
...
fb = dev->mode_config.funcs->fb_create(dev, file_priv
+                                      ,info
                                       ,mode_cmd);

@@
identifier dev, file_priv, mode_cmd;
@@
struct drm_mode_config_funcs {
...
struct drm_framebuffer *(*fb_create)(struct drm_device *dev,
                                     struct drm_file *file_priv,
+                                     const struct drm_format_info *info,
                                     const struct drm_mode_fb_cmd2 *mode_cmd);
...
};

v2: Fix kernel docs (Laurent)
    Fix commit msg (Geert)

Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: Liviu Dudau <liviu.dudau@arm.com>
Cc: Maxime Ripard <mripard@kernel.org>
Cc: Russell King <linux@armlinux.org.uk>
Cc: Inki Dae <inki.dae@samsung.com>
Cc: Seung-Woo Kim <sw0312.kim@samsung.com>
Cc: Kyungmin Park <kyungmin.park@samsung.com>
Cc: Patrik Jakobsson <patrik.r.jakobsson@gmail.com>
Cc: Chun-Kuang Hu <chunkuang.hu@kernel.org>
Cc: Philipp Zabel <p.zabel@pengutronix.de>
Cc: Rob Clark <robdclark@gmail.com>
Cc: Abhinav Kumar <quic_abhinavk@quicinc.com>
Cc: Dmitry Baryshkov <lumag@kernel.org>
Cc: Sean Paul <sean@poorly.run>
Cc: Marijn Suijten <marijn.suijten@somainline.org>
Cc: Marek Vasut <marex@denx.de>
Cc: Stefan Agner <stefan@agner.ch>
Cc: Lyude Paul <lyude@redhat.com>
Cc: Danilo Krummrich <dakr@kernel.org>
Cc: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
Cc: Dave Airlie <airlied@redhat.com>
Cc: Gerd Hoffmann <kraxel@redhat.com>
Cc: Kieran Bingham <kieran.bingham+renesas@ideasonboard.com>
Cc: Biju Das <biju.das.jz@bp.renesas.com>
Cc: Sandy Huang <hjc@rock-chips.com>
Cc: "Heiko Stübner" <heiko@sntech.de>
Cc: Andy Yan <andy.yan@rock-chips.com>
Cc: Thierry Reding <thierry.reding@gmail.com>
Cc: Mikko Perttunen <mperttunen@nvidia.com>
Cc: Dave Stevenson <dave.stevenson@raspberrypi.com>
Cc: "Maíra Canal" <mcanal@igalia.com>
Cc: Raspberry Pi Kernel Maintenance <kernel-list@raspberrypi.com>
Cc: Dmitry Osipenko <dmitry.osipenko@collabora.com>
Cc: Gurchetan Singh <gurchetansingh@chromium.org>
Cc: Chia-I Wu <olvaffe@gmail.com>
Cc: Zack Rusin <zack.rusin@broadcom.com>
Cc: Broadcom internal kernel review list <bcm-kernel-feedback-list@broadcom.com>
Cc: Oleksandr Andrushchenko <oleksandr_andrushchenko@epam.com>
Cc: amd-gfx@lists.freedesktop.org
Cc: linux-arm-msm@vger.kernel.org
Cc: freedreno@lists.freedesktop.org
Cc: nouveau@lists.freedesktop.org
Cc: virtualization@lists.linux.dev
Cc: spice-devel@lists.freedesktop.org
Cc: linux-renesas-soc@vger.kernel.org
Cc: linux-tegra@vger.kernel.org
Cc: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
Acked-by: Liviu Dudau <liviu.dudau@arm.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20250701090722.13645-5-ville.syrjala@linux.intel.com

drivers/gpu/drm/amd/amdgpu/amdgpu_display.c

@@ -1297,6 +1297,7 @@ static int amdgpu_display_framebuffer_init(struct drm_device *dev,
 struct drm_framebuffer *
 amdgpu_display_user_framebuffer_create(struct drm_device *dev,
 				       struct drm_file *file_priv,
+				       const struct drm_format_info *info,
 				       const struct drm_mode_fb_cmd2 *mode_cmd)
 {
 	struct amdgpu_framebuffer *amdgpu_fb;

drivers/gpu/drm/amd/amdgpu/amdgpu_display.h

@@ -44,6 +44,7 @@ uint32_t amdgpu_display_supported_domains(struct amdgpu_device *adev,
 struct drm_framebuffer *
 amdgpu_display_user_framebuffer_create(struct drm_device *dev,
 				       struct drm_file *file_priv,
+				       const struct drm_format_info *info,
 				       const struct drm_mode_fb_cmd2 *mode_cmd);
 const struct drm_format_info *
 amdgpu_lookup_format_info(u32 format, uint64_t modifier);

drivers/gpu/drm/arm/display/komeda/komeda_framebuffer.c

@@ -157,6 +157,7 @@ komeda_fb_none_afbc_size_check(struct komeda_dev *mdev, struct komeda_fb *kfb,
 
 struct drm_framebuffer *
 komeda_fb_create(struct drm_device *dev, struct drm_file *file,
+		 const struct drm_format_info *info,
 		 const struct drm_mode_fb_cmd2 *mode_cmd)
 {
 	struct komeda_dev *mdev = dev->dev_private;

drivers/gpu/drm/arm/display/komeda/komeda_framebuffer.h

@@ -37,6 +37,7 @@ struct komeda_fb {
 
 struct drm_framebuffer *
 komeda_fb_create(struct drm_device *dev, struct drm_file *file,
+		const struct drm_format_info *info,
 		const struct drm_mode_fb_cmd2 *mode_cmd);
 int komeda_fb_check_src_coords(const struct komeda_fb *kfb,
 			       u32 src_x, u32 src_y, u32 src_w, u32 src_h);

drivers/gpu/drm/arm/malidp_drv.c

@@ -377,6 +377,7 @@ malidp_verify_afbc_framebuffer(struct drm_device *dev, struct drm_file *file,
 
 static struct drm_framebuffer *
 malidp_fb_create(struct drm_device *dev, struct drm_file *file,
+		 const struct drm_format_info *info,
 		 const struct drm_mode_fb_cmd2 *mode_cmd)
 {
 	if (mode_cmd->modifier[0]) {
@@ -384,7 +385,7 @@ malidp_fb_create(struct drm_device *dev, struct drm_file *file,
 			return ERR_PTR(-EINVAL);
 	}
 
-	return drm_gem_fb_create(dev, file, mode_cmd);
+	return drm_gem_fb_create(dev, file, info, mode_cmd);
 }
 
 static const struct drm_mode_config_funcs malidp_mode_config_funcs = {

drivers/gpu/drm/armada/armada_fb.c

@@ -84,11 +84,9 @@ struct armada_framebuffer *armada_framebuffer_create(struct drm_device *dev,
 }
 
 struct drm_framebuffer *armada_fb_create(struct drm_device *dev,
-	struct drm_file *dfile, const struct drm_mode_fb_cmd2 *mode)
+	struct drm_file *dfile, const struct drm_format_info *info,
+	const struct drm_mode_fb_cmd2 *mode)
 {
-	const struct drm_format_info *info = drm_get_format_info(dev,
-								 mode->pixel_format,
-								 mode->modifier[0]);
 	struct armada_gem_object *obj;
 	struct armada_framebuffer *dfb;
 	int ret;

drivers/gpu/drm/armada/armada_fb.h

@@ -19,5 +19,6 @@ struct armada_framebuffer {
 struct armada_framebuffer *armada_framebuffer_create(struct drm_device *,
 	const struct drm_mode_fb_cmd2 *, struct armada_gem_object *);
 struct drm_framebuffer *armada_fb_create(struct drm_device *dev,
-	struct drm_file *dfile, const struct drm_mode_fb_cmd2 *mode);
+	struct drm_file *dfile, const struct drm_format_info *info,
+	const struct drm_mode_fb_cmd2 *mode);
 #endif

drivers/gpu/drm/drm_framebuffer.c

@@ -302,7 +302,7 @@ drm_internal_framebuffer_create(struct drm_device *dev,
 	if (ret)
 		return ERR_PTR(ret);
 
-	fb = dev->mode_config.funcs->fb_create(dev, file_priv, r);
+	fb = dev->mode_config.funcs->fb_create(dev, file_priv, info, r);
 	if (IS_ERR(fb)) {
 		drm_dbg_kms(dev, "could not create framebuffer\n");
 		return fb;

drivers/gpu/drm/drm_gem_framebuffer_helper.c

@@ -264,6 +264,7 @@ static const struct drm_framebuffer_funcs drm_gem_fb_funcs = {
  *                       &drm_mode_config_funcs.fb_create callback
  * @dev: DRM device
  * @file: DRM file that holds the GEM handle(s) backing the framebuffer
+ * @info: pixel format information
  * @mode_cmd: Metadata from the userspace framebuffer creation request
  *
  * This function creates a new framebuffer object described by
@@ -283,6 +284,7 @@ static const struct drm_framebuffer_funcs drm_gem_fb_funcs = {
  */
 struct drm_framebuffer *
 drm_gem_fb_create(struct drm_device *dev, struct drm_file *file,
+		  const struct drm_format_info *info,
 		  const struct drm_mode_fb_cmd2 *mode_cmd)
 {
 	return drm_gem_fb_create_with_funcs(dev, file, mode_cmd,
@@ -301,6 +303,7 @@ static const struct drm_framebuffer_funcs drm_gem_fb_funcs_dirtyfb = {
  *                       &drm_mode_config_funcs.fb_create callback
  * @dev: DRM device
  * @file: DRM file that holds the GEM handle(s) backing the framebuffer
+ * @info: pixel format information
  * @mode_cmd: Metadata from the userspace framebuffer creation request
  *
  * This function creates a new framebuffer object described by
@@ -321,6 +324,7 @@ static const struct drm_framebuffer_funcs drm_gem_fb_funcs_dirtyfb = {
  */
 struct drm_framebuffer *
 drm_gem_fb_create_with_dirty(struct drm_device *dev, struct drm_file *file,
+			     const struct drm_format_info *info,
 			     const struct drm_mode_fb_cmd2 *mode_cmd)
 {
 	return drm_gem_fb_create_with_funcs(dev, file, mode_cmd,

drivers/gpu/drm/exynos/exynos_drm_fb.c

@@ -94,11 +94,9 @@ err:
 
 static struct drm_framebuffer *
 exynos_user_fb_create(struct drm_device *dev, struct drm_file *file_priv,
+		      const struct drm_format_info *info,
 		      const struct drm_mode_fb_cmd2 *mode_cmd)
 {
-	const struct drm_format_info *info = drm_get_format_info(dev,
-								 mode_cmd->pixel_format,
-								 mode_cmd->modifier[0]);
 	struct exynos_drm_gem *exynos_gem[MAX_FB_BUFFER];
 	struct drm_framebuffer *fb;
 	int i;

drivers/gpu/drm/gma500/framebuffer.c

@@ -97,6 +97,7 @@ struct drm_framebuffer *psb_framebuffer_create(struct drm_device *dev,
  */
 static struct drm_framebuffer *psb_user_framebuffer_create
 			(struct drm_device *dev, struct drm_file *filp,
+			 const struct drm_format_info *info,
 			 const struct drm_mode_fb_cmd2 *cmd)
 {
 	struct drm_gem_object *obj;

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

@@ -2324,6 +2324,7 @@ err:
 struct drm_framebuffer *
 intel_user_framebuffer_create(struct drm_device *dev,
 			      struct drm_file *filp,
+			      const struct drm_format_info *info,
 			      const struct drm_mode_fb_cmd2 *user_mode_cmd)
 {
 	struct drm_framebuffer *fb;

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

@@ -109,6 +109,7 @@ intel_framebuffer_create(struct drm_gem_object *obj,
 struct drm_framebuffer *
 intel_user_framebuffer_create(struct drm_device *dev,
 			      struct drm_file *filp,
+			      const struct drm_format_info *info,
 			      const struct drm_mode_fb_cmd2 *user_mode_cmd);
 
 bool intel_fb_modifier_uses_dpt(struct intel_display *display, u64 modifier);

drivers/gpu/drm/ingenic/ingenic-drm-drv.c

@@ -901,14 +901,15 @@ static void ingenic_drm_disable_vblank(struct drm_crtc *crtc)
 
 static struct drm_framebuffer *
 ingenic_drm_gem_fb_create(struct drm_device *drm, struct drm_file *file,
+			  const struct drm_format_info *info,
 			  const struct drm_mode_fb_cmd2 *mode_cmd)
 {
 	struct ingenic_drm *priv = drm_device_get_priv(drm);
 
 	if (priv->soc_info->map_noncoherent)
-		return drm_gem_fb_create_with_dirty(drm, file, mode_cmd);
+		return drm_gem_fb_create_with_dirty(drm, file, info, mode_cmd);
 
-	return drm_gem_fb_create(drm, file, mode_cmd);
+	return drm_gem_fb_create(drm, file, info, mode_cmd);
 }
 
 static struct drm_gem_object *

drivers/gpu/drm/mediatek/mtk_drm_drv.c

@@ -43,16 +43,13 @@ static const struct drm_mode_config_helper_funcs mtk_drm_mode_config_helpers = {
 static struct drm_framebuffer *
 mtk_drm_mode_fb_create(struct drm_device *dev,
 		       struct drm_file *file,
+		       const struct drm_format_info *info,
 		       const struct drm_mode_fb_cmd2 *cmd)
 {
-	const struct drm_format_info *info = drm_get_format_info(dev,
-								 cmd->pixel_format,
-								 cmd->modifier[0]);
-
 	if (info->num_planes != 1)
 		return ERR_PTR(-EINVAL);
 
-	return drm_gem_fb_create(dev, file, cmd);
+	return drm_gem_fb_create(dev, file, info, cmd);
 }
 
 static const struct drm_mode_config_funcs mtk_drm_mode_config_funcs = {

drivers/gpu/drm/msm/msm_drv.h

@@ -260,7 +260,8 @@ uint32_t msm_framebuffer_iova(struct drm_framebuffer *fb, int plane);
 struct drm_gem_object *msm_framebuffer_bo(struct drm_framebuffer *fb, int plane);
 const struct msm_format *msm_framebuffer_format(struct drm_framebuffer *fb);
 struct drm_framebuffer *msm_framebuffer_create(struct drm_device *dev,
-		struct drm_file *file, const struct drm_mode_fb_cmd2 *mode_cmd);
+		struct drm_file *file, const struct drm_format_info *info,
+		const struct drm_mode_fb_cmd2 *mode_cmd);
 struct drm_framebuffer * msm_alloc_stolen_fb(struct drm_device *dev,
 		int w, int h, int p, uint32_t format);
 

drivers/gpu/drm/msm/msm_fb.c

@@ -139,11 +139,9 @@ const struct msm_format *msm_framebuffer_format(struct drm_framebuffer *fb)
 }
 
 struct drm_framebuffer *msm_framebuffer_create(struct drm_device *dev,
-		struct drm_file *file, const struct drm_mode_fb_cmd2 *mode_cmd)
+		struct drm_file *file, const struct drm_format_info *info,
+		const struct drm_mode_fb_cmd2 *mode_cmd)
 {
-	const struct drm_format_info *info = drm_get_format_info(dev,
-								 mode_cmd->pixel_format,
-								 mode_cmd->modifier[0]);
 	struct drm_gem_object *bos[4] = {0};
 	struct drm_framebuffer *fb;
 	int ret, i, n = info->num_planes;

drivers/gpu/drm/mxsfb/mxsfb_drv.c

@@ -91,21 +91,15 @@ void mxsfb_disable_axi_clk(struct mxsfb_drm_private *mxsfb)
 
 static struct drm_framebuffer *
 mxsfb_fb_create(struct drm_device *dev, struct drm_file *file_priv,
+		const struct drm_format_info *info,
 		const struct drm_mode_fb_cmd2 *mode_cmd)
 {
-	const struct drm_format_info *info;
-
-	info = drm_get_format_info(dev, mode_cmd->pixel_format,
-				   mode_cmd->modifier[0]);
-	if (!info)
-		return ERR_PTR(-EINVAL);
-
 	if (mode_cmd->width * info->cpp[0] != mode_cmd->pitches[0]) {
 		dev_dbg(dev->dev, "Invalid pitch: fb width must match pitch\n");
 		return ERR_PTR(-EINVAL);
 	}
 
-	return drm_gem_fb_create(dev, file_priv, mode_cmd);
+	return drm_gem_fb_create(dev, file_priv, info, mode_cmd);
 }
 
 static const struct drm_mode_config_funcs mxsfb_mode_config_funcs = {

drivers/gpu/drm/nouveau/nouveau_display.c

@@ -333,6 +333,7 @@ nouveau_framebuffer_new(struct drm_device *dev,
 struct drm_framebuffer *
 nouveau_user_framebuffer_create(struct drm_device *dev,
 				struct drm_file *file_priv,
+				const struct drm_format_info *info,
 				const struct drm_mode_fb_cmd2 *mode_cmd)
 {
 	struct drm_framebuffer *fb;

drivers/gpu/drm/nouveau/nouveau_display.h

@@ -67,5 +67,6 @@ nouveau_framebuffer_get_layout(struct drm_framebuffer *fb, uint32_t *tile_mode,
 
 struct drm_framebuffer *
 nouveau_user_framebuffer_create(struct drm_device *, struct drm_file *,
+				const struct drm_format_info *,
 				const struct drm_mode_fb_cmd2 *);
 #endif