Hi Ville,

Thank you for the patch.

On Tue, Jul 01, 2025 at 12:07:07PM +0300, Ville Syrjala wrote:
> From: Ville Syrjälä <[email protected]>
> 
> 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 <[email protected]>
> Cc: Liviu Dudau <[email protected]>
> Cc: Maxime Ripard <[email protected]>
> Cc: Russell King <[email protected]>
> Cc: Inki Dae <[email protected]>
> Cc: Seung-Woo Kim <[email protected]>
> Cc: Kyungmin Park <[email protected]>
> Cc: Patrik Jakobsson <[email protected]>
> Cc: Chun-Kuang Hu <[email protected]>
> Cc: Philipp Zabel <[email protected]>
> Cc: Rob Clark <[email protected]>
> Cc: Abhinav Kumar <[email protected]>
> Cc: Dmitry Baryshkov <[email protected]>
> Cc: Sean Paul <[email protected]>
> Cc: Marijn Suijten <[email protected]>
> Cc: Marek Vasut <[email protected]>
> Cc: Stefan Agner <[email protected]>
> Cc: Lyude Paul <[email protected]>
> Cc: Danilo Krummrich <[email protected]>
> Cc: Tomi Valkeinen <[email protected]>
> Cc: Dave Airlie <[email protected]>
> Cc: Gerd Hoffmann <[email protected]>
> Cc: Kieran Bingham <[email protected]>
> Cc: Biju Das <[email protected]>
> Cc: Sandy Huang <[email protected]>
> Cc: "Heiko Stübner" <[email protected]>
> Cc: Andy Yan <[email protected]>
> Cc: Thierry Reding <[email protected]>
> Cc: Mikko Perttunen <[email protected]>
> Cc: Dave Stevenson <[email protected]>
> Cc: "Maíra Canal" <[email protected]>
> Cc: Raspberry Pi Kernel Maintenance <[email protected]>
> Cc: Dmitry Osipenko <[email protected]>
> Cc: Gurchetan Singh <[email protected]>
> Cc: Chia-I Wu <[email protected]>
> Cc: Zack Rusin <[email protected]>
> Cc: Broadcom internal kernel review list 
> <[email protected]>
> Cc: Oleksandr Andrushchenko <[email protected]>
> Cc: [email protected]
> Cc: [email protected]
> Cc: [email protected]
> Cc: [email protected]
> Cc: [email protected]
> Cc: [email protected]
> Cc: [email protected]
> Cc: [email protected]
> Cc: Laurent Pinchart <[email protected]>
> Reviewed-by: Geert Uytterhoeven <[email protected]>
> Reviewed-by: Thomas Zimmermann <[email protected]>
> Signed-off-by: Ville Syrjälä <[email protected]>
> ---
>  drivers/gpu/drm/amd/amdgpu/amdgpu_display.c            |  1 +
>  drivers/gpu/drm/amd/amdgpu/amdgpu_display.h            |  1 +
>  .../gpu/drm/arm/display/komeda/komeda_framebuffer.c    |  1 +
>  .../gpu/drm/arm/display/komeda/komeda_framebuffer.h    |  1 +
>  drivers/gpu/drm/arm/malidp_drv.c                       |  3 ++-
>  drivers/gpu/drm/armada/armada_fb.c                     |  6 ++----
>  drivers/gpu/drm/armada/armada_fb.h                     |  3 ++-
>  drivers/gpu/drm/drm_framebuffer.c                      |  2 +-
>  drivers/gpu/drm/drm_gem_framebuffer_helper.c           |  4 ++++
>  drivers/gpu/drm/exynos/exynos_drm_fb.c                 |  4 +---
>  drivers/gpu/drm/gma500/framebuffer.c                   |  1 +
>  drivers/gpu/drm/i915/display/intel_fb.c                |  1 +
>  drivers/gpu/drm/i915/display/intel_fb.h                |  1 +
>  drivers/gpu/drm/ingenic/ingenic-drm-drv.c              |  5 +++--
>  drivers/gpu/drm/mediatek/mtk_drm_drv.c                 |  7 ++-----
>  drivers/gpu/drm/msm/msm_drv.h                          |  3 ++-
>  drivers/gpu/drm/msm/msm_fb.c                           |  6 ++----
>  drivers/gpu/drm/mxsfb/mxsfb_drv.c                      | 10 ++--------
>  drivers/gpu/drm/nouveau/nouveau_display.c              |  1 +
>  drivers/gpu/drm/nouveau/nouveau_display.h              |  1 +
>  drivers/gpu/drm/omapdrm/omap_fb.c                      |  6 ++----
>  drivers/gpu/drm/omapdrm/omap_fb.h                      |  3 ++-
>  drivers/gpu/drm/qxl/qxl_display.c                      |  1 +
>  drivers/gpu/drm/radeon/radeon_display.c                |  1 +
>  drivers/gpu/drm/renesas/rcar-du/rcar_du_kms.c          |  3 ++-
>  drivers/gpu/drm/renesas/rz-du/rzg2l_du_kms.c           |  3 ++-
>  drivers/gpu/drm/renesas/shmobile/shmob_drm_kms.c       |  3 ++-
>  drivers/gpu/drm/rockchip/rockchip_drm_fb.c             |  7 +------
>  drivers/gpu/drm/tegra/drm.h                            |  1 +
>  drivers/gpu/drm/tegra/fb.c                             |  4 +---
>  drivers/gpu/drm/tests/drm_framebuffer_test.c           |  1 +
>  drivers/gpu/drm/vc4/vc4_kms.c                          |  3 ++-
>  drivers/gpu/drm/virtio/virtgpu_display.c               |  1 +
>  drivers/gpu/drm/vmwgfx/vmwgfx_kms.c                    |  1 +
>  drivers/gpu/drm/xen/xen_drm_front_kms.c                |  1 +
>  drivers/gpu/drm/xlnx/zynqmp_kms.c                      |  3 ++-
>  include/drm/drm_gem_framebuffer_helper.h               |  3 +++
>  include/drm/drm_mode_config.h                          |  1 +
>  38 files changed, 59 insertions(+), 49 deletions(-)

[snip]

> diff --git a/include/drm/drm_mode_config.h b/include/drm/drm_mode_config.h
> index e971e1b8a850..2e848b816218 100644
> --- a/include/drm/drm_mode_config.h
> +++ b/include/drm/drm_mode_config.h
> @@ -82,6 +82,7 @@ struct drm_mode_config_funcs {
>        */

It would be nice to document the new parameter here. With that
addressed,

Reviewed-by: Laurent Pinchart <[email protected]>

>       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);
>  
>       /**

-- 
Regards,

Laurent Pinchart

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