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drm/fb-cma-helper: Add function drm_fb_cma_create_with_funcs() 

Add drm_fb_cma_create_with_funcs() for drivers that need to set the
dirty() callback.

Signed-off-by: Noralf Trønnes <noralf@tronnes.org>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1463077523-23959-3-git-send-email-noralf@tronnes.org
hifive-unleashed-5.1
Noralf Trønnes 2016-05-12 20:25:22 +02:00 committed by Daniel Vetter
parent fdce184609
commit 3995b3954e
2 changed files with 28 additions and 6 deletions
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31
drivers/gpu/drm/drm_fb_cma_helper.c
View File

@ -159,13 +159,17 @@ static struct drm_fb_cma *drm_fb_cma_alloc(struct drm_device *dev,
}
/**
* drm_fb_cma_create() - (struct drm_mode_config_funcs *)->fb_create callback function
* drm_fb_cma_create_with_funcs() - helper function for the
* &drm_mode_config_funcs ->fb_create
* callback function
*
* If your hardware has special alignment or pitch requirements these should be
* checked before calling this function.
* This can be used to set &drm_framebuffer_funcs for drivers that need the
* dirty() callback. Use drm_fb_cma_create() if you don't need to change
* &drm_framebuffer_funcs.
*/
struct drm_framebuffer *drm_fb_cma_create(struct drm_device *dev,
struct drm_file *file_priv, const struct drm_mode_fb_cmd2 *mode_cmd)
struct drm_framebuffer *drm_fb_cma_create_with_funcs(struct drm_device *dev,
struct drm_file *file_priv, const struct drm_mode_fb_cmd2 *mode_cmd,
const struct drm_framebuffer_funcs *funcs)
{
struct drm_fb_cma *fb_cma;
struct drm_gem_cma_object *objs[4];
@ -202,7 +206,7 @@ struct drm_framebuffer *drm_fb_cma_create(struct drm_device *dev,
objs[i] = to_drm_gem_cma_obj(obj);
}
fb_cma = drm_fb_cma_alloc(dev, mode_cmd, objs, i, &drm_fb_cma_funcs);
fb_cma = drm_fb_cma_alloc(dev, mode_cmd, objs, i, funcs);
if (IS_ERR(fb_cma)) {
ret = PTR_ERR(fb_cma);
goto err_gem_object_unreference;
@ -215,6 +219,21 @@ err_gem_object_unreference:
drm_gem_object_unreference_unlocked(&objs[i]->base);
return ERR_PTR(ret);
}
EXPORT_SYMBOL_GPL(drm_fb_cma_create_with_funcs);
/**
* drm_fb_cma_create() - &drm_mode_config_funcs ->fb_create callback function
*
* If your hardware has special alignment or pitch requirements these should be
* checked before calling this function. Use drm_fb_cma_create_with_funcs() if
* you need to set &drm_framebuffer_funcs ->dirty.
*/
struct drm_framebuffer *drm_fb_cma_create(struct drm_device *dev,
struct drm_file *file_priv, const struct drm_mode_fb_cmd2 *mode_cmd)
{
return drm_fb_cma_create_with_funcs(dev, file_priv, mode_cmd,
&drm_fb_cma_funcs);
}
EXPORT_SYMBOL_GPL(drm_fb_cma_create);
/**

3
include/drm/drm_fb_cma_helper.h
View File

@ -31,6 +31,9 @@ void drm_fb_cma_destroy(struct drm_framebuffer *fb);
int drm_fb_cma_create_handle(struct drm_framebuffer *fb,
struct drm_file *file_priv, unsigned int *handle);
struct drm_framebuffer *drm_fb_cma_create_with_funcs(struct drm_device *dev,
struct drm_file *file_priv, const struct drm_mode_fb_cmd2 *mode_cmd,
const struct drm_framebuffer_funcs *funcs);
struct drm_framebuffer *drm_fb_cma_create(struct drm_device *dev,
struct drm_file *file_priv, const struct drm_mode_fb_cmd2 *mode_cmd);