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warning in drm_fb_helper.c:setcolreg(). Signed-off-by: Peter Rosin --- drivers/gpu/drm/drm_fb_cma_helper.c | 55 ++++++++++++++++++++++++++++++------- include/drm/drm_fb_cma_helper.h | 8 +++++- 2 files changed, 52 insertions(+), 11 deletions(-) diff --git a/drivers/gpu/drm/drm_fb_cma_helper.c b/drivers/gpu/drm/drm_fb_cma_helper.c index 53f9bdf..ef96227 100644 --- a/drivers/gpu/drm/drm_fb_cma_helper.c +++ b/drivers/gpu/drm/drm_fb_cma_helper.c @@ -426,7 +426,12 @@ static void drm_fbdev_cma_defio_fini(struct fb_info *fbi) kfree(fbi->fbops); } -static int +/** + * drm_fbdev_cma_create() - Default fb_probe() function for fb_cma_helper_funcs + * @helper: The fb_helper to create a cma for + * @sizes: The fbdev sizes + */ +int drm_fbdev_cma_create(struct drm_fb_helper *helper, struct drm_fb_helper_surface_size *sizes) { @@ -507,23 +512,28 @@ drm_fbdev_cma_create(struct drm_fb_helper *helper, drm_gem_object_put_unlocked(&obj->base); return ret; } +EXPORT_SYMBOL_GPL(drm_fbdev_cma_create); static const struct drm_fb_helper_funcs drm_fb_cma_helper_funcs = { .fb_probe = drm_fbdev_cma_create, }; /** - * drm_fbdev_cma_init_with_funcs() - Allocate and initializes a drm_fbdev_cma struct + * drm_fbdev_cma_init_with_funcs2() - Allocate and initializes a drm_fbdev_cma struct * @dev: DRM device * @preferred_bpp: Preferred bits per pixel for the device * @max_conn_count: Maximum number of connectors - * @funcs: fb helper functions, in particular a custom dirty() callback + * @framebuffer_funcs: framebuffer functions, in particular a custom dirty() callback + * @fb_helper_funcs: fb helper functions, in particular custom gamma_set() and gamma_get() callbacks + * + * If framebuffer_funcs or fb_helper_funcs are NULL, default functions are used. * * Returns a newly allocated drm_fbdev_cma struct or a ERR_PTR. */ -struct drm_fbdev_cma *drm_fbdev_cma_init_with_funcs(struct drm_device *dev, +struct drm_fbdev_cma *drm_fbdev_cma_init_with_funcs2(struct drm_device *dev, unsigned int preferred_bpp, unsigned int max_conn_count, - const struct drm_framebuffer_funcs *funcs) + const struct drm_framebuffer_funcs *framebuffer_funcs, + const struct drm_fb_helper_funcs *fb_helper_funcs) { struct drm_fbdev_cma *fbdev_cma; struct drm_fb_helper *helper; @@ -534,11 +544,17 @@ struct drm_fbdev_cma *drm_fbdev_cma_init_with_funcs(struct drm_device *dev, dev_err(dev->dev, "Failed to allocate drm fbdev.\n"); return ERR_PTR(-ENOMEM); } - fbdev_cma->fb_funcs = funcs; + + if (!framebuffer_funcs) + framebuffer_funcs = &drm_fb_cma_funcs; + if (!fb_helper_funcs) + fb_helper_funcs = &drm_fb_cma_helper_funcs; + + fbdev_cma->fb_funcs = framebuffer_funcs; helper = &fbdev_cma->fb_helper; - drm_fb_helper_prepare(dev, helper, &drm_fb_cma_helper_funcs); + drm_fb_helper_prepare(dev, helper, fb_helper_funcs); ret = drm_fb_helper_init(dev, helper, max_conn_count); if (ret < 0) { @@ -568,6 +584,25 @@ struct drm_fbdev_cma *drm_fbdev_cma_init_with_funcs(struct drm_device *dev, return ERR_PTR(ret); } +EXPORT_SYMBOL_GPL(drm_fbdev_cma_init_with_funcs2); + +/** + * drm_fbdev_cma_init_with_funcs() - Allocate and initializes a drm_fbdev_cma struct + * @dev: DRM device + * @preferred_bpp: Preferred bits per pixel for the device + * @max_conn_count: Maximum number of connectors + * @framebuffer_funcs: framebuffer functions, in particular a custom dirty() callback + * + * Returns a newly allocated drm_fbdev_cma struct or a ERR_PTR. + */ +struct drm_fbdev_cma *drm_fbdev_cma_init_with_funcs(struct drm_device *dev, + unsigned int preferred_bpp, unsigned int max_conn_count, + const struct drm_framebuffer_funcs *framebuffer_funcs) +{ + return drm_fbdev_cma_init_with_funcs2(dev, preferred_bpp, + max_conn_count, + framebuffer_funcs, NULL); +} EXPORT_SYMBOL_GPL(drm_fbdev_cma_init_with_funcs); /** @@ -581,9 +616,9 @@ EXPORT_SYMBOL_GPL(drm_fbdev_cma_init_with_funcs); struct drm_fbdev_cma *drm_fbdev_cma_init(struct drm_device *dev, unsigned int preferred_bpp, unsigned int max_conn_count) { - return drm_fbdev_cma_init_with_funcs(dev, preferred_bpp, - max_conn_count, - &drm_fb_cma_funcs); + return drm_fbdev_cma_init_with_funcs2(dev, preferred_bpp, + max_conn_count, + NULL, NULL); } EXPORT_SYMBOL_GPL(drm_fbdev_cma_init); diff --git a/include/drm/drm_fb_cma_helper.h b/include/drm/drm_fb_cma_helper.h index 199a63f..280ec2b 100644 --- a/include/drm/drm_fb_cma_helper.h +++ b/include/drm/drm_fb_cma_helper.h @@ -15,13 +15,19 @@ struct drm_mode_fb_cmd2; struct drm_plane; struct drm_plane_state; +struct drm_fbdev_cma *drm_fbdev_cma_init_with_funcs2(struct drm_device *dev, + unsigned int preferred_bpp, unsigned int max_conn_count, + const struct drm_framebuffer_funcs *framebuffer_funcs, + const struct drm_fb_helper_funcs *fb_helper_funcs); struct drm_fbdev_cma *drm_fbdev_cma_init_with_funcs(struct drm_device *dev, unsigned int preferred_bpp, unsigned int max_conn_count, - const struct drm_framebuffer_funcs *funcs); + const struct drm_framebuffer_funcs *framebuffer_funcs); struct drm_fbdev_cma *drm_fbdev_cma_init(struct drm_device *dev, unsigned int preferred_bpp, unsigned int max_conn_count); void drm_fbdev_cma_fini(struct drm_fbdev_cma *fbdev_cma); +int drm_fbdev_cma_create(struct drm_fb_helper *helper, + struct drm_fb_helper_surface_size *sizes); void drm_fbdev_cma_restore_mode(struct drm_fbdev_cma *fbdev_cma); void drm_fbdev_cma_hotplug_event(struct drm_fbdev_cma *fbdev_cma); void drm_fbdev_cma_set_suspend(struct drm_fbdev_cma *fbdev_cma, int state);