[PATCH v2 02/19] drm: Pass pixel_format+modifier directly to drm_get_format_info()
Liviu Dudau
liviu.dudau at arm.com
Tue Jul 1 16:31:16 UTC 2025
On Tue, Jul 01, 2025 at 12:07:05PM +0300, Ville Syrjala wrote:
> From: Ville Syrjälä <ville.syrjala at linux.intel.com>
>
> 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 at arm.com>
> Cc: Russell King <linux at armlinux.org.uk>
> Cc: Inki Dae <inki.dae at samsung.com>
> Cc: Seung-Woo Kim <sw0312.kim at samsung.com>
> Cc: Kyungmin Park <kyungmin.park at samsung.com>
> Cc: Patrik Jakobsson <patrik.r.jakobsson at gmail.com>
> Cc: Chun-Kuang Hu <chunkuang.hu at kernel.org>
> Cc: Philipp Zabel <p.zabel at pengutronix.de>
> Cc: Rob Clark <robdclark at gmail.com>
> Cc: Abhinav Kumar <quic_abhinavk at quicinc.com>
> Cc: Dmitry Baryshkov <lumag at kernel.org>
> Cc: Sean Paul <sean at poorly.run>
> Cc: Marijn Suijten <marijn.suijten at somainline.org>
> Cc: Marek Vasut <marex at denx.de>
> Cc: Stefan Agner <stefan at agner.ch>
> Cc: Lyude Paul <lyude at redhat.com>
> Cc: Danilo Krummrich <dakr at kernel.org>
> Cc: Tomi Valkeinen <tomi.valkeinen at ideasonboard.com>
> Cc: Alex Deucher <alexander.deucher at amd.com>
> Cc: Sandy Huang <hjc at rock-chips.com>
> Cc: "Heiko Stübner" <heiko at sntech.de>
> Cc: Andy Yan <andy.yan at rock-chips.com>
> Cc: Thierry Reding <thierry.reding at gmail.com>
> Cc: Mikko Perttunen <mperttunen at nvidia.com>
> Cc: linux-arm-msm at vger.kernel.org
> Cc: freedreno at lists.freedesktop.org
> Cc: nouveau at lists.freedesktop.org
> Cc: amd-gfx at lists.freedesktop.org
> Cc: linux-tegra at vger.kernel.org
> Reviewed-by: Thomas Zimmermann <tzimmermann at suse.de>
> Reviewed-by: Laurent Pinchart <laurent.pinchart+renesas at ideasonboard.com>
> Signed-off-by: Ville Syrjälä <ville.syrjala at linux.intel.com>
> ---
> drivers/gpu/drm/arm/malidp_drv.c | 3 ++-
Reviewed-by: Liviu Dudau <liviu.dudau at arm.com>
Best regards,
Liviu
> drivers/gpu/drm/armada/armada_fb.c | 4 +++-
> drivers/gpu/drm/drm_fourcc.c | 11 ++++++-----
> drivers/gpu/drm/drm_framebuffer.c | 2 +-
> drivers/gpu/drm/drm_gem_framebuffer_helper.c | 9 ++++++---
> drivers/gpu/drm/drm_modeset_helper.c | 3 ++-
> drivers/gpu/drm/exynos/exynos_drm_fb.c | 4 +++-
> drivers/gpu/drm/gma500/framebuffer.c | 3 ++-
> drivers/gpu/drm/mediatek/mtk_drm_drv.c | 4 +++-
> drivers/gpu/drm/msm/msm_fb.c | 6 ++++--
> drivers/gpu/drm/mxsfb/mxsfb_drv.c | 3 ++-
> drivers/gpu/drm/nouveau/nouveau_display.c | 3 ++-
> drivers/gpu/drm/omapdrm/omap_fb.c | 6 ++++--
> drivers/gpu/drm/radeon/radeon_fbdev.c | 3 ++-
> drivers/gpu/drm/rockchip/rockchip_drm_fb.c | 3 ++-
> drivers/gpu/drm/tegra/fb.c | 4 +++-
> include/drm/drm_fourcc.h | 3 +--
> 17 files changed, 48 insertions(+), 26 deletions(-)
>
> diff --git a/drivers/gpu/drm/arm/malidp_drv.c b/drivers/gpu/drm/arm/malidp_drv.c
> index e083021e9e99..558e44a7e627 100644
> --- a/drivers/gpu/drm/arm/malidp_drv.c
> +++ b/drivers/gpu/drm/arm/malidp_drv.c
> @@ -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);
> diff --git a/drivers/gpu/drm/armada/armada_fb.c b/drivers/gpu/drm/armada/armada_fb.c
> index cf2e88218dc0..85fc2cb50544 100644
> --- a/drivers/gpu/drm/armada/armada_fb.c
> +++ b/drivers/gpu/drm/armada/armada_fb.c
> @@ -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;
> diff --git a/drivers/gpu/drm/drm_fourcc.c b/drivers/gpu/drm/drm_fourcc.c
> index 4b4444f6d504..e0d533611040 100644
> --- a/drivers/gpu/drm/drm_fourcc.c
> +++ b/drivers/gpu/drm/drm_fourcc.c
> @@ -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;
> }
> diff --git a/drivers/gpu/drm/drm_framebuffer.c b/drivers/gpu/drm/drm_framebuffer.c
> index b781601946db..18a0267e374e 100644
> --- a/drivers/gpu/drm/drm_framebuffer.c
> +++ b/drivers/gpu/drm/drm_framebuffer.c
> @@ -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);
> diff --git a/drivers/gpu/drm/drm_gem_framebuffer_helper.c b/drivers/gpu/drm/drm_gem_framebuffer_helper.c
> index 618ce725cd75..62eec0fddc3e 100644
> --- a/drivers/gpu/drm/drm_gem_framebuffer_helper.c
> +++ b/drivers/gpu/drm/drm_gem_framebuffer_helper.c
> @@ -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;
>
> diff --git a/drivers/gpu/drm/drm_modeset_helper.c b/drivers/gpu/drm/drm_modeset_helper.c
> index ef32f6af10d4..3fed2d5ab1d6 100644
> --- a/drivers/gpu/drm/drm_modeset_helper.c
> +++ b/drivers/gpu/drm/drm_modeset_helper.c
> @@ -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++) {
> diff --git a/drivers/gpu/drm/exynos/exynos_drm_fb.c b/drivers/gpu/drm/exynos/exynos_drm_fb.c
> index fc1c5608db96..bcf7b534d1f7 100644
> --- a/drivers/gpu/drm/exynos/exynos_drm_fb.c
> +++ b/drivers/gpu/drm/exynos/exynos_drm_fb.c
> @@ -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;
> diff --git a/drivers/gpu/drm/gma500/framebuffer.c b/drivers/gpu/drm/gma500/framebuffer.c
> index 1a374702b696..c82e623a2071 100644
> --- a/drivers/gpu/drm/gma500/framebuffer.c
> +++ b/drivers/gpu/drm/gma500/framebuffer.c
> @@ -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;
>
> diff --git a/drivers/gpu/drm/mediatek/mtk_drm_drv.c b/drivers/gpu/drm/mediatek/mtk_drm_drv.c
> index 7c0c12dde488..0ebcfcbc258b 100644
> --- a/drivers/gpu/drm/mediatek/mtk_drm_drv.c
> +++ b/drivers/gpu/drm/mediatek/mtk_drm_drv.c
> @@ -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);
> diff --git a/drivers/gpu/drm/msm/msm_fb.c b/drivers/gpu/drm/msm/msm_fb.c
> index 09268e416843..df2f85c44d55 100644
> --- a/drivers/gpu/drm/msm/msm_fb.c
> +++ b/drivers/gpu/drm/msm/msm_fb.c
> @@ -137,7 +137,8 @@ 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;
> @@ -168,7 +169,8 @@ 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;
> diff --git a/drivers/gpu/drm/mxsfb/mxsfb_drv.c b/drivers/gpu/drm/mxsfb/mxsfb_drv.c
> index c183b1112bc4..09329af9b01e 100644
> --- a/drivers/gpu/drm/mxsfb/mxsfb_drv.c
> +++ b/drivers/gpu/drm/mxsfb/mxsfb_drv.c
> @@ -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);
>
> diff --git a/drivers/gpu/drm/nouveau/nouveau_display.c b/drivers/gpu/drm/nouveau/nouveau_display.c
> index c50ec347b30a..bd9a85f4b4fc 100644
> --- a/drivers/gpu/drm/nouveau/nouveau_display.c
> +++ b/drivers/gpu/drm/nouveau/nouveau_display.c
> @@ -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,
> diff --git a/drivers/gpu/drm/omapdrm/omap_fb.c b/drivers/gpu/drm/omapdrm/omap_fb.c
> index 449d521c78fe..e18878068c57 100644
> --- a/drivers/gpu/drm/omapdrm/omap_fb.c
> +++ b/drivers/gpu/drm/omapdrm/omap_fb.c
> @@ -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)
> diff --git a/drivers/gpu/drm/radeon/radeon_fbdev.c b/drivers/gpu/drm/radeon/radeon_fbdev.c
> index d4a58bd679db..e3a481bbee7b 100644
> --- a/drivers/gpu/drm/radeon/radeon_fbdev.c
> +++ b/drivers/gpu/drm/radeon/radeon_fbdev.c
> @@ -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 */
> diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_fb.c b/drivers/gpu/drm/rockchip/rockchip_drm_fb.c
> index 5829ee061c61..66762ca54a98 100644
> --- a/drivers/gpu/drm/rockchip/rockchip_drm_fb.c
> +++ b/drivers/gpu/drm/rockchip/rockchip_drm_fb.c
> @@ -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);
>
> diff --git a/drivers/gpu/drm/tegra/fb.c b/drivers/gpu/drm/tegra/fb.c
> index 46170753699d..634c6346d947 100644
> --- a/drivers/gpu/drm/tegra/fb.c
> +++ b/drivers/gpu/drm/tegra/fb.c
> @@ -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;
> diff --git a/include/drm/drm_fourcc.h b/include/drm/drm_fourcc.h
> index c3f4405d6662..471784426857 100644
> --- a/include/drm/drm_fourcc.h
> +++ b/include/drm/drm_fourcc.h
> @@ -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);
> --
> 2.49.0
>
--
====================
| I would like to |
| fix the world, |
| but they're not |
| giving me the |
\ source code! /
---------------
¯\_(ツ)_/¯
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