[PATCH 2/9] drm: Move simple_display_pipe prepare_fb helper into gem fb helpers
Noralf Trønnes
noralf at tronnes.org
Fri Apr 6 09:42:42 UTC 2018
Den 05.04.2018 17.44, skrev Daniel Vetter:
> There's nothing tinydrm specific to this, and there's a few more
> copies of the same in various other drivers.
>
> Signed-off-by: Daniel Vetter <daniel.vetter at intel.com>
> Cc: Gustavo Padovan <gustavo at padovan.org>
> Cc: Maarten Lankhorst <maarten.lankhorst at linux.intel.com>
> Cc: Sean Paul <seanpaul at chromium.org>
> Cc: David Airlie <airlied at linux.ie>
> Cc: David Lechner <david at lechnology.com>
> Cc: "Noralf Trønnes" <noralf at tronnes.org>
> Cc: Daniel Vetter <daniel.vetter at ffwll.ch>
> Cc: Shawn Guo <shawnguo at kernel.org>
> Cc: Neil Armstrong <narmstrong at baylibre.com>
> Cc: Daniel Stone <daniels at collabora.com>
> Cc: Haneen Mohammed <hamohammed.sa at gmail.com>
> Cc: Ben Widawsky <ben at bwidawsk.net>
> Cc: "Ville Syrjälä" <ville.syrjala at linux.intel.com>
> ---
> drivers/gpu/drm/drm_gem_framebuffer_helper.c | 19 +++++++++++++++++++
> drivers/gpu/drm/tinydrm/core/tinydrm-pipe.c | 17 -----------------
> drivers/gpu/drm/tinydrm/ili9225.c | 2 +-
> drivers/gpu/drm/tinydrm/mi0283qt.c | 3 ++-
> drivers/gpu/drm/tinydrm/repaper.c | 2 +-
> drivers/gpu/drm/tinydrm/st7586.c | 2 +-
> drivers/gpu/drm/tinydrm/st7735r.c | 2 +-
> include/drm/drm_gem_framebuffer_helper.h | 3 +++
> include/drm/drm_simple_kms_helper.h | 3 +++
> include/drm/tinydrm/tinydrm.h | 2 --
> 10 files changed, 31 insertions(+), 24 deletions(-)
>
> diff --git a/drivers/gpu/drm/drm_gem_framebuffer_helper.c b/drivers/gpu/drm/drm_gem_framebuffer_helper.c
> index 4d682a6e8bcb..acfbc0641a06 100644
> --- a/drivers/gpu/drm/drm_gem_framebuffer_helper.c
> +++ b/drivers/gpu/drm/drm_gem_framebuffer_helper.c
> @@ -22,6 +22,7 @@
> #include <drm/drm_gem.h>
> #include <drm/drm_gem_framebuffer_helper.h>
> #include <drm/drm_modeset_helper.h>
> +#include <drm/drm_simple_kms_helper.h>
>
> /**
> * DOC: overview
> @@ -265,6 +266,24 @@ int drm_gem_fb_prepare_fb(struct drm_plane *plane,
> }
> EXPORT_SYMBOL_GPL(drm_gem_fb_prepare_fb);
>
> +/**
> + * drm_gem_fb_simple_display_pipe_prepare_fb - prepare_fb helper for
> + * &drm_simple_display_pipe
> + * @pipe: Simple display pipe
> + * @plane_state: Plane state
> + *
> + * This function uses drm_gem_fb_prepare_fb() to check if the plane FB has a
> + * &dma_buf attached, extracts the exclusive fence and attaches it to plane
> + * state for the atomic helper to wait on. Drivers can use this as their
> + * &drm_simple_display_pipe_funcs.prepare_fb callback.
> + */
> +int drm_gem_fb_simple_display_pipe_prepare_fb(struct drm_simple_display_pipe *pipe,
> + struct drm_plane_state *plane_state)
> +{
> + return drm_gem_fb_prepare_fb(&pipe->plane, plane_state);
> +}
> +EXPORT_SYMBOL(drm_gem_fb_simple_display_pipe_prepare_fb);
> +
I was suprised that you didn't put this function in drm_simple_kms_helper.c.
Anyways, thanks for slimming down tinydrm.
Reviewed-by: Noralf Trønnes <noralf at tronnes.org>
> /**
> * drm_gem_fbdev_fb_create - Create a GEM backed &drm_framebuffer for fbdev
> * emulation
> diff --git a/drivers/gpu/drm/tinydrm/core/tinydrm-pipe.c b/drivers/gpu/drm/tinydrm/core/tinydrm-pipe.c
> index e68b528ae64d..7e8e24d0b7a7 100644
> --- a/drivers/gpu/drm/tinydrm/core/tinydrm-pipe.c
> +++ b/drivers/gpu/drm/tinydrm/core/tinydrm-pipe.c
> @@ -138,23 +138,6 @@ void tinydrm_display_pipe_update(struct drm_simple_display_pipe *pipe,
> }
> EXPORT_SYMBOL(tinydrm_display_pipe_update);
>
> -/**
> - * tinydrm_display_pipe_prepare_fb - Display pipe prepare_fb helper
> - * @pipe: Simple display pipe
> - * @plane_state: Plane state
> - *
> - * This function uses drm_gem_fb_prepare_fb() to check if the plane FB has an
> - * dma-buf attached, extracts the exclusive fence and attaches it to plane
> - * state for the atomic helper to wait on. Drivers can use this as their
> - * &drm_simple_display_pipe_funcs->prepare_fb callback.
> - */
> -int tinydrm_display_pipe_prepare_fb(struct drm_simple_display_pipe *pipe,
> - struct drm_plane_state *plane_state)
> -{
> - return drm_gem_fb_prepare_fb(&pipe->plane, plane_state);
> -}
> -EXPORT_SYMBOL(tinydrm_display_pipe_prepare_fb);
> -
> static int tinydrm_rotate_mode(struct drm_display_mode *mode,
> unsigned int rotation)
> {
> diff --git a/drivers/gpu/drm/tinydrm/ili9225.c b/drivers/gpu/drm/tinydrm/ili9225.c
> index 0874e877b111..841c69aba059 100644
> --- a/drivers/gpu/drm/tinydrm/ili9225.c
> +++ b/drivers/gpu/drm/tinydrm/ili9225.c
> @@ -354,7 +354,7 @@ static const struct drm_simple_display_pipe_funcs ili9225_pipe_funcs = {
> .enable = ili9225_pipe_enable,
> .disable = ili9225_pipe_disable,
> .update = tinydrm_display_pipe_update,
> - .prepare_fb = tinydrm_display_pipe_prepare_fb,
> + .prepare_fb = drm_gem_fb_simple_display_pipe_prepare_fb,
> };
>
> static const struct drm_display_mode ili9225_mode = {
> diff --git a/drivers/gpu/drm/tinydrm/mi0283qt.c b/drivers/gpu/drm/tinydrm/mi0283qt.c
> index 4e6d2ee94e55..d5ef65179c16 100644
> --- a/drivers/gpu/drm/tinydrm/mi0283qt.c
> +++ b/drivers/gpu/drm/tinydrm/mi0283qt.c
> @@ -19,6 +19,7 @@
>
> #include <drm/drm_fb_helper.h>
> #include <drm/drm_modeset_helper.h>
> +#include <drm/drm_gem_framebuffer_helper.h>
> #include <drm/tinydrm/mipi-dbi.h>
> #include <drm/tinydrm/tinydrm-helpers.h>
> #include <video/mipi_display.h>
> @@ -134,7 +135,7 @@ static const struct drm_simple_display_pipe_funcs mi0283qt_pipe_funcs = {
> .enable = mi0283qt_enable,
> .disable = mipi_dbi_pipe_disable,
> .update = tinydrm_display_pipe_update,
> - .prepare_fb = tinydrm_display_pipe_prepare_fb,
> + .prepare_fb = drm_gem_fb_simple_display_pipe_prepare_fb,
> };
>
> static const struct drm_display_mode mi0283qt_mode = {
> diff --git a/drivers/gpu/drm/tinydrm/repaper.c b/drivers/gpu/drm/tinydrm/repaper.c
> index bb6f80a81899..1ee6855212a0 100644
> --- a/drivers/gpu/drm/tinydrm/repaper.c
> +++ b/drivers/gpu/drm/tinydrm/repaper.c
> @@ -841,7 +841,7 @@ static const struct drm_simple_display_pipe_funcs repaper_pipe_funcs = {
> .enable = repaper_pipe_enable,
> .disable = repaper_pipe_disable,
> .update = tinydrm_display_pipe_update,
> - .prepare_fb = tinydrm_display_pipe_prepare_fb,
> + .prepare_fb = drm_gem_fb_simple_display_pipe_prepare_fb,
> };
>
> static const uint32_t repaper_formats[] = {
> diff --git a/drivers/gpu/drm/tinydrm/st7586.c b/drivers/gpu/drm/tinydrm/st7586.c
> index 22644b88199a..5c29e3803ecb 100644
> --- a/drivers/gpu/drm/tinydrm/st7586.c
> +++ b/drivers/gpu/drm/tinydrm/st7586.c
> @@ -290,7 +290,7 @@ static const struct drm_simple_display_pipe_funcs st7586_pipe_funcs = {
> .enable = st7586_pipe_enable,
> .disable = st7586_pipe_disable,
> .update = tinydrm_display_pipe_update,
> - .prepare_fb = tinydrm_display_pipe_prepare_fb,
> + .prepare_fb = drm_gem_fb_simple_display_pipe_prepare_fb,
> };
>
> static const struct drm_display_mode st7586_mode = {
> diff --git a/drivers/gpu/drm/tinydrm/st7735r.c b/drivers/gpu/drm/tinydrm/st7735r.c
> index 189a07894d36..6c7b15c9da4f 100644
> --- a/drivers/gpu/drm/tinydrm/st7735r.c
> +++ b/drivers/gpu/drm/tinydrm/st7735r.c
> @@ -106,7 +106,7 @@ static const struct drm_simple_display_pipe_funcs jd_t18003_t01_pipe_funcs = {
> .enable = jd_t18003_t01_pipe_enable,
> .disable = mipi_dbi_pipe_disable,
> .update = tinydrm_display_pipe_update,
> - .prepare_fb = tinydrm_display_pipe_prepare_fb,
> + .prepare_fb = drm_gem_fb_simple_display_pipe_prepare_fb,
> };
>
> static const struct drm_display_mode jd_t18003_t01_mode = {
> diff --git a/include/drm/drm_gem_framebuffer_helper.h b/include/drm/drm_gem_framebuffer_helper.h
> index 5ca7cdc3f527..a38de7eb55b4 100644
> --- a/include/drm/drm_gem_framebuffer_helper.h
> +++ b/include/drm/drm_gem_framebuffer_helper.h
> @@ -10,6 +10,7 @@ struct drm_gem_object;
> struct drm_mode_fb_cmd2;
> struct drm_plane;
> struct drm_plane_state;
> +struct drm_simple_display_pipe;
>
> struct drm_gem_object *drm_gem_fb_get_obj(struct drm_framebuffer *fb,
> unsigned int plane);
> @@ -27,6 +28,8 @@ drm_gem_fb_create(struct drm_device *dev, struct drm_file *file,
>
> int drm_gem_fb_prepare_fb(struct drm_plane *plane,
> struct drm_plane_state *state);
> +int drm_gem_fb_simple_display_pipe_prepare_fb(struct drm_simple_display_pipe *pipe,
> + struct drm_plane_state *plane_state);
>
> struct drm_framebuffer *
> drm_gem_fbdev_fb_create(struct drm_device *dev,
> diff --git a/include/drm/drm_simple_kms_helper.h b/include/drm/drm_simple_kms_helper.h
> index b02793742317..451960438a29 100644
> --- a/include/drm/drm_simple_kms_helper.h
> +++ b/include/drm/drm_simple_kms_helper.h
> @@ -116,6 +116,9 @@ struct drm_simple_display_pipe_funcs {
> * Optional, called by &drm_plane_helper_funcs.prepare_fb. Please read
> * the documentation for the &drm_plane_helper_funcs.prepare_fb hook for
> * more details.
> + *
> + * Drivers which always have their buffers pinned should use
> + * drm_gem_fb_simple_display_pipe_prepare_fb() for this hook.
> */
> int (*prepare_fb)(struct drm_simple_display_pipe *pipe,
> struct drm_plane_state *plane_state);
> diff --git a/include/drm/tinydrm/tinydrm.h b/include/drm/tinydrm/tinydrm.h
> index 6e2b960e25eb..56e4a916b5e8 100644
> --- a/include/drm/tinydrm/tinydrm.h
> +++ b/include/drm/tinydrm/tinydrm.h
> @@ -95,8 +95,6 @@ void tinydrm_shutdown(struct tinydrm_device *tdev);
>
> void tinydrm_display_pipe_update(struct drm_simple_display_pipe *pipe,
> struct drm_plane_state *old_state);
> -int tinydrm_display_pipe_prepare_fb(struct drm_simple_display_pipe *pipe,
> - struct drm_plane_state *plane_state);
> int
> tinydrm_display_pipe_init(struct tinydrm_device *tdev,
> const struct drm_simple_display_pipe_funcs *funcs,
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