drm: Pass pixel_format+modifier directly to drm_get_format_info()
authorVille Syrjälä <ville.syrjala@linux.intel.com>
Tue, 1 Jul 2025 09:07:05 +0000 (12:07 +0300)
committerVille Syrjälä <ville.syrjala@linux.intel.com>
Wed, 16 Jul 2025 17:01:13 +0000 (20:01 +0300)
Decouple drm_get_format_info() from struct drm_mode_fb_cmd2 and just
pass the pixel format+modifier combo in by hand.

We may want to use drm_get_format_info() outside of the normal
addfb paths where we won't have a struct drm_mode_fb_cmd2, and
creating a temporary one just for this seems silly.

Done with cocci:
@@
identifier dev, mode_cmd;
@@
struct drm_format_info *
drm_get_format_info(struct drm_device *dev,
-     const struct drm_mode_fb_cmd2 *mode_cmd
+     u32 pixel_format, u64 modifier
          )
{
<...
(
- mode_cmd->pixel_format
+ pixel_format
|
- mode_cmd->modifier[0]
+ modifier
)
...>
}

@@
identifier dev, mode_cmd;
@@
struct drm_format_info *
drm_get_format_info(struct drm_device *dev,
-     const struct drm_mode_fb_cmd2 *mode_cmd
+     u32 pixel_format, u64 modifier
          );

@@
expression dev, mode_cmd;
@@
- drm_get_format_info(dev, mode_cmd)
+ drm_get_format_info(dev, mode_cmd->pixel_format, mode_cmd->modifier[0])

v2: Fix kernel docs (Laurent)
    Drop drm_mode_fb_cmd2 forward declaration (Thomas)

Cc: Liviu Dudau <liviu.dudau@arm.com>
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: Alex Deucher <alexander.deucher@amd.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: linux-arm-msm@vger.kernel.org
Cc: freedreno@lists.freedesktop.org
Cc: nouveau@lists.freedesktop.org
Cc: amd-gfx@lists.freedesktop.org
Cc: linux-tegra@vger.kernel.org
Reviewed-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Reviewed-by: Liviu Dudau <liviu.dudau@arm.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20250701090722.13645-3-ville.syrjala@linux.intel.com
17 files changed:
drivers/gpu/drm/arm/malidp_drv.c
drivers/gpu/drm/armada/armada_fb.c
drivers/gpu/drm/drm_fourcc.c
drivers/gpu/drm/drm_framebuffer.c
drivers/gpu/drm/drm_gem_framebuffer_helper.c
drivers/gpu/drm/drm_modeset_helper.c
drivers/gpu/drm/exynos/exynos_drm_fb.c
drivers/gpu/drm/gma500/framebuffer.c
drivers/gpu/drm/mediatek/mtk_drm_drv.c
drivers/gpu/drm/msm/msm_fb.c
drivers/gpu/drm/mxsfb/mxsfb_drv.c
drivers/gpu/drm/nouveau/nouveau_display.c
drivers/gpu/drm/omapdrm/omap_fb.c
drivers/gpu/drm/radeon/radeon_fbdev.c
drivers/gpu/drm/rockchip/rockchip_drm_fb.c
drivers/gpu/drm/tegra/fb.c
include/drm/drm_fourcc.h

index e083021..558e44a 100644 (file)
@@ -325,7 +325,8 @@ malidp_verify_afbc_framebuffer_size(struct drm_device *dev,
                return false;
        }
 
-       info = drm_get_format_info(dev, mode_cmd);
+       info = drm_get_format_info(dev, mode_cmd->pixel_format,
+                                  mode_cmd->modifier[0]);
 
        n_superblocks = (mode_cmd->width / afbc_superblock_width) *
                (mode_cmd->height / afbc_superblock_height);
index cf2e882..85fc2cb 100644 (file)
@@ -86,7 +86,9 @@ 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)
 {
-       const struct drm_format_info *info = drm_get_format_info(dev, 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;
index 4b4444f..e0d5336 100644 (file)
@@ -417,7 +417,8 @@ EXPORT_SYMBOL(drm_format_info);
 /**
  * drm_get_format_info - query information for a given framebuffer configuration
  * @dev: DRM device
- * @mode_cmd: metadata from the userspace fb creation request
+ * @pixel_format: pixel format (DRM_FORMAT_*)
+ * @modifier: modifier
  *
  * Returns:
  * The instance of struct drm_format_info that describes the pixel format, or
@@ -425,16 +426,16 @@ EXPORT_SYMBOL(drm_format_info);
  */
 const struct drm_format_info *
 drm_get_format_info(struct drm_device *dev,
-                   const struct drm_mode_fb_cmd2 *mode_cmd)
+                   u32 pixel_format, u64 modifier)
 {
        const struct drm_format_info *info = NULL;
 
        if (dev->mode_config.funcs->get_format_info)
-               info = dev->mode_config.funcs->get_format_info(mode_cmd->pixel_format,
-                                                              mode_cmd->modifier[0]);
+               info = dev->mode_config.funcs->get_format_info(pixel_format,
+                                                              modifier);
 
        if (!info)
-               info = drm_format_info(mode_cmd->pixel_format);
+               info = drm_format_info(pixel_format);
 
        return info;
 }
index b781601..18a0267 100644 (file)
@@ -176,7 +176,7 @@ static int framebuffer_check(struct drm_device *dev,
        }
 
        /* now let the driver pick its own format info */
-       info = drm_get_format_info(dev, r);
+       info = drm_get_format_info(dev, r->pixel_format, r->modifier[0]);
 
        for (i = 0; i < info->num_planes; i++) {
                unsigned int width = drm_format_info_plane_width(info, r->width, i);
index 618ce72..62eec0f 100644 (file)
@@ -160,7 +160,8 @@ int drm_gem_fb_init_with_funcs(struct drm_device *dev,
        unsigned int i;
        int ret;
 
-       info = drm_get_format_info(dev, mode_cmd);
+       info = drm_get_format_info(dev, mode_cmd->pixel_format,
+                                  mode_cmd->modifier[0]);
        if (!info) {
                drm_dbg_kms(dev, "Failed to get FB format info\n");
                return -EINVAL;
@@ -502,7 +503,8 @@ static __u32 drm_gem_afbc_get_bpp(struct drm_device *dev,
 {
        const struct drm_format_info *info;
 
-       info = drm_get_format_info(dev, mode_cmd);
+       info = drm_get_format_info(dev, mode_cmd->pixel_format,
+                                  mode_cmd->modifier[0]);
 
        switch (info->format) {
        case DRM_FORMAT_YUV420_8BIT:
@@ -600,7 +602,8 @@ int drm_gem_fb_afbc_init(struct drm_device *dev,
        int ret;
 
        objs = afbc_fb->base.obj;
-       info = drm_get_format_info(dev, mode_cmd);
+       info = drm_get_format_info(dev, mode_cmd->pixel_format,
+                                  mode_cmd->modifier[0]);
        if (!info)
                return -EINVAL;
 
index ef32f6a..3fed2d5 100644 (file)
@@ -86,7 +86,8 @@ void drm_helper_mode_fill_fb_struct(struct drm_device *dev,
        int i;
 
        fb->dev = dev;
-       fb->format = drm_get_format_info(dev, mode_cmd);
+       fb->format = drm_get_format_info(dev, mode_cmd->pixel_format,
+                                        mode_cmd->modifier[0]);
        fb->width = mode_cmd->width;
        fb->height = mode_cmd->height;
        for (i = 0; i < 4; i++) {
index fc1c560..bcf7b53 100644 (file)
@@ -96,7 +96,9 @@ static struct drm_framebuffer *
 exynos_user_fb_create(struct drm_device *dev, struct drm_file *file_priv,
                      const struct drm_mode_fb_cmd2 *mode_cmd)
 {
-       const struct drm_format_info *info = drm_get_format_info(dev, 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;
index 1a37470..c82e623 100644 (file)
@@ -39,7 +39,8 @@ static int psb_framebuffer_init(struct drm_device *dev,
         * Reject unknown formats, YUV formats, and formats with more than
         * 4 bytes per pixel.
         */
-       info = drm_get_format_info(dev, mode_cmd);
+       info = drm_get_format_info(dev, mode_cmd->pixel_format,
+                                  mode_cmd->modifier[0]);
        if (!info || !info->depth || info->cpp[0] > 4)
                return -EINVAL;
 
index 7c0c12d..0ebcfcb 100644 (file)
@@ -45,7 +45,9 @@ mtk_drm_mode_fb_create(struct drm_device *dev,
                       struct drm_file *file,
                       const struct drm_mode_fb_cmd2 *cmd)
 {
-       const struct drm_format_info *info = drm_get_format_info(dev, 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);
index bc7c2bb..d8a7ac4 100644 (file)
@@ -142,7 +142,8 @@ struct drm_framebuffer *msm_framebuffer_create(struct drm_device *dev,
                struct drm_file *file, const struct drm_mode_fb_cmd2 *mode_cmd)
 {
        const struct drm_format_info *info = drm_get_format_info(dev,
-                                                                mode_cmd);
+                                                                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;
@@ -173,7 +174,8 @@ static struct drm_framebuffer *msm_framebuffer_init(struct drm_device *dev,
                const struct drm_mode_fb_cmd2 *mode_cmd, struct drm_gem_object **bos)
 {
        const struct drm_format_info *info = drm_get_format_info(dev,
-                                                                mode_cmd);
+                                                                mode_cmd->pixel_format,
+                                                                mode_cmd->modifier[0]);
        struct msm_drm_private *priv = dev->dev_private;
        struct msm_kms *kms = priv->kms;
        struct msm_framebuffer *msm_fb = NULL;
index c183b11..09329af 100644 (file)
@@ -95,7 +95,8 @@ mxsfb_fb_create(struct drm_device *dev, struct drm_file *file_priv,
 {
        const struct drm_format_info *info;
 
-       info = drm_get_format_info(dev, mode_cmd);
+       info = drm_get_format_info(dev, mode_cmd->pixel_format,
+                                  mode_cmd->modifier[0]);
        if (!info)
                return ERR_PTR(-EINVAL);
 
index c50ec34..bd9a85f 100644 (file)
@@ -295,7 +295,8 @@ nouveau_framebuffer_new(struct drm_device *dev,
                kind = nvbo->kind;
        }
 
-       info = drm_get_format_info(dev, mode_cmd);
+       info = drm_get_format_info(dev, mode_cmd->pixel_format,
+                                  mode_cmd->modifier[0]);
 
        for (i = 0; i < info->num_planes; i++) {
                height = drm_format_info_plane_height(info,
index 449d521..e188780 100644 (file)
@@ -338,7 +338,8 @@ struct drm_framebuffer *omap_framebuffer_create(struct drm_device *dev,
                struct drm_file *file, const struct drm_mode_fb_cmd2 *mode_cmd)
 {
        const struct drm_format_info *info = drm_get_format_info(dev,
-                                                                mode_cmd);
+                                                                mode_cmd->pixel_format,
+                                                                mode_cmd->modifier[0]);
        unsigned int num_planes = info->num_planes;
        struct drm_gem_object *bos[4];
        struct drm_framebuffer *fb;
@@ -378,7 +379,8 @@ struct drm_framebuffer *omap_framebuffer_init(struct drm_device *dev,
                        dev, mode_cmd, mode_cmd->width, mode_cmd->height,
                        (char *)&mode_cmd->pixel_format);
 
-       format = drm_get_format_info(dev, mode_cmd);
+       format = drm_get_format_info(dev, mode_cmd->pixel_format,
+                                    mode_cmd->modifier[0]);
 
        for (i = 0; i < ARRAY_SIZE(formats); i++) {
                if (formats[i] == mode_cmd->pixel_format)
index d4a58bd..e3a481b 100644 (file)
@@ -67,7 +67,8 @@ static int radeon_fbdev_create_pinned_object(struct drm_fb_helper *fb_helper,
        int height = mode_cmd->height;
        u32 cpp;
 
-       info = drm_get_format_info(rdev_to_drm(rdev), mode_cmd);
+       info = drm_get_format_info(rdev_to_drm(rdev), mode_cmd->pixel_format,
+                                  mode_cmd->modifier[0]);
        cpp = info->cpp[0];
 
        /* need to align pitch with crtc limits */
index 5829ee0..66762ca 100644 (file)
@@ -36,7 +36,8 @@ rockchip_fb_create(struct drm_device *dev, struct drm_file *file,
        const struct drm_format_info *info;
        int ret;
 
-       info = drm_get_format_info(dev, mode_cmd);
+       info = drm_get_format_info(dev, mode_cmd->pixel_format,
+                                  mode_cmd->modifier[0]);
        if (!info)
                return ERR_PTR(-ENOMEM);
 
index 4617075..634c634 100644 (file)
@@ -134,7 +134,9 @@ struct drm_framebuffer *tegra_fb_create(struct drm_device *drm,
                                        struct drm_file *file,
                                        const struct drm_mode_fb_cmd2 *cmd)
 {
-       const struct drm_format_info *info = drm_get_format_info(drm, cmd);
+       const struct drm_format_info *info = drm_get_format_info(drm,
+                                                                cmd->pixel_format,
+                                                                cmd->modifier[0]);
        struct tegra_bo *planes[4];
        struct drm_gem_object *gem;
        struct drm_framebuffer *fb;
index c3f4405..4717844 100644 (file)
@@ -54,7 +54,6 @@
 #endif
 
 struct drm_device;
-struct drm_mode_fb_cmd2;
 
 /**
  * struct drm_format_info - information about a DRM format
@@ -309,7 +308,7 @@ const struct drm_format_info *__drm_format_info(u32 format);
 const struct drm_format_info *drm_format_info(u32 format);
 const struct drm_format_info *
 drm_get_format_info(struct drm_device *dev,
-                   const struct drm_mode_fb_cmd2 *mode_cmd);
+                   u32 pixel_format, u64 modifier);
 uint32_t drm_mode_legacy_fb_format(uint32_t bpp, uint32_t depth);
 uint32_t drm_driver_legacy_fb_format(struct drm_device *dev,
                                     uint32_t bpp, uint32_t depth);