Use the new drm_gem_framebuffer_helper who's code was copied from this helper.
Signed-off-by: Noralf Trønnes noralf@tronnes.org --- drivers/gpu/drm/drm_fb_cma_helper.c | 172 +++++++----------------------------- 1 file changed, 30 insertions(+), 142 deletions(-)
diff --git a/drivers/gpu/drm/drm_fb_cma_helper.c b/drivers/gpu/drm/drm_fb_cma_helper.c index ade319d..d0c0110 100644 --- a/drivers/gpu/drm/drm_fb_cma_helper.c +++ b/drivers/gpu/drm/drm_fb_cma_helper.c @@ -18,27 +18,17 @@ */
#include <drm/drmP.h> -#include <drm/drm_atomic.h> -#include <drm/drm_crtc.h> #include <drm/drm_fb_helper.h> -#include <drm/drm_crtc_helper.h> +#include <drm/drm_framebuffer.h> #include <drm/drm_gem_cma_helper.h> +#include <drm/drm_gem_framebuffer_helper.h> #include <drm/drm_fb_cma_helper.h> -#include <linux/dma-buf.h> -#include <linux/dma-mapping.h> #include <linux/module.h> -#include <linux/reservation.h>
#define DEFAULT_FBDEFIO_DELAY_MS 50
-struct drm_fb_cma { - struct drm_framebuffer fb; - struct drm_gem_cma_object *obj[4]; -}; - struct drm_fbdev_cma { struct drm_fb_helper fb_helper; - struct drm_fb_cma *fb; const struct drm_framebuffer_funcs *fb_funcs; };
@@ -90,69 +80,19 @@ static inline struct drm_fbdev_cma *to_fbdev_cma(struct drm_fb_helper *helper) return container_of(helper, struct drm_fbdev_cma, fb_helper); }
-static inline struct drm_fb_cma *to_fb_cma(struct drm_framebuffer *fb) -{ - return container_of(fb, struct drm_fb_cma, fb); -} - void drm_fb_cma_destroy(struct drm_framebuffer *fb) { - struct drm_fb_cma *fb_cma = to_fb_cma(fb); - int i; - - for (i = 0; i < 4; i++) { - if (fb_cma->obj[i]) - drm_gem_object_put_unlocked(&fb_cma->obj[i]->base); - } - - drm_framebuffer_cleanup(fb); - kfree(fb_cma); + drm_gem_fb_destroy(fb); } EXPORT_SYMBOL(drm_fb_cma_destroy);
int drm_fb_cma_create_handle(struct drm_framebuffer *fb, struct drm_file *file_priv, unsigned int *handle) { - struct drm_fb_cma *fb_cma = to_fb_cma(fb); - - return drm_gem_handle_create(file_priv, - &fb_cma->obj[0]->base, handle); + return drm_gem_fb_create_handle(fb, file_priv, handle); } EXPORT_SYMBOL(drm_fb_cma_create_handle);
-static struct drm_framebuffer_funcs drm_fb_cma_funcs = { - .destroy = drm_fb_cma_destroy, - .create_handle = drm_fb_cma_create_handle, -}; - -static struct drm_fb_cma *drm_fb_cma_alloc(struct drm_device *dev, - const struct drm_mode_fb_cmd2 *mode_cmd, - struct drm_gem_cma_object **obj, - unsigned int num_planes, const struct drm_framebuffer_funcs *funcs) -{ - struct drm_fb_cma *fb_cma; - int ret; - int i; - - fb_cma = kzalloc(sizeof(*fb_cma), GFP_KERNEL); - if (!fb_cma) - return ERR_PTR(-ENOMEM); - - drm_helper_mode_fill_fb_struct(dev, &fb_cma->fb, mode_cmd); - - for (i = 0; i < num_planes; i++) - fb_cma->obj[i] = obj[i]; - - ret = drm_framebuffer_init(dev, &fb_cma->fb, funcs); - if (ret) { - dev_err(dev->dev, "Failed to initialize framebuffer: %d\n", ret); - kfree(fb_cma); - return ERR_PTR(ret); - } - - return fb_cma; -} - /** * drm_fb_cma_create_with_funcs() - helper function for the * &drm_mode_config_funcs.fb_create @@ -170,53 +110,7 @@ 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) { - const struct drm_format_info *info; - struct drm_fb_cma *fb_cma; - struct drm_gem_cma_object *objs[4]; - struct drm_gem_object *obj; - int ret; - int i; - - info = drm_get_format_info(dev, mode_cmd); - if (!info) - return ERR_PTR(-EINVAL); - - for (i = 0; i < info->num_planes; i++) { - unsigned int width = mode_cmd->width / (i ? info->hsub : 1); - unsigned int height = mode_cmd->height / (i ? info->vsub : 1); - unsigned int min_size; - - obj = drm_gem_object_lookup(file_priv, mode_cmd->handles[i]); - if (!obj) { - dev_err(dev->dev, "Failed to lookup GEM object\n"); - ret = -ENOENT; - goto err_gem_object_put; - } - - min_size = (height - 1) * mode_cmd->pitches[i] - + width * info->cpp[i] - + mode_cmd->offsets[i]; - - if (obj->size < min_size) { - drm_gem_object_put_unlocked(obj); - ret = -EINVAL; - goto err_gem_object_put; - } - objs[i] = to_drm_gem_cma_obj(obj); - } - - 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_put; - } - - return &fb_cma->fb; - -err_gem_object_put: - for (i--; i >= 0; i--) - drm_gem_object_put_unlocked(&objs[i]->base); - return ERR_PTR(ret); + return drm_gem_fb_create_with_funcs(dev, file_priv, mode_cmd, funcs); } EXPORT_SYMBOL_GPL(drm_fb_cma_create_with_funcs);
@@ -233,8 +127,7 @@ EXPORT_SYMBOL_GPL(drm_fb_cma_create_with_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) { - return drm_fb_cma_create_with_funcs(dev, file_priv, mode_cmd, - &drm_fb_cma_funcs); + return drm_gem_fb_create(dev, file_priv, mode_cmd); } EXPORT_SYMBOL_GPL(drm_fb_cma_create);
@@ -250,12 +143,14 @@ EXPORT_SYMBOL_GPL(drm_fb_cma_create); struct drm_gem_cma_object *drm_fb_cma_get_gem_obj(struct drm_framebuffer *fb, unsigned int plane) { - struct drm_fb_cma *fb_cma = to_fb_cma(fb); + struct drm_gem_object *gem;
- if (plane >= 4) + gem = drm_gem_fb_get_obj(fb, plane); + if (!gem) return NULL;
- return fb_cma->obj[plane]; + return to_drm_gem_cma_obj(gem); + } EXPORT_SYMBOL_GPL(drm_fb_cma_get_gem_obj);
@@ -272,13 +167,14 @@ dma_addr_t drm_fb_cma_get_gem_addr(struct drm_framebuffer *fb, struct drm_plane_state *state, unsigned int plane) { - struct drm_fb_cma *fb_cma = to_fb_cma(fb); + struct drm_gem_cma_object *obj; dma_addr_t paddr;
- if (plane >= 4) + obj = drm_fb_cma_get_gem_obj(fb, plane); + if (!obj) return 0;
- paddr = fb_cma->obj[plane]->paddr + fb->offsets[plane]; + paddr = obj->paddr + fb->offsets[plane]; paddr += fb->format->cpp[plane] * (state->src_x >> 16); paddr += fb->pitches[plane] * (state->src_y >> 16);
@@ -302,26 +198,13 @@ EXPORT_SYMBOL_GPL(drm_fb_cma_get_gem_addr); int drm_fb_cma_prepare_fb(struct drm_plane *plane, struct drm_plane_state *state) { - struct dma_buf *dma_buf; - struct dma_fence *fence; - - if ((plane->state->fb == state->fb) || !state->fb) - return 0; - - dma_buf = drm_fb_cma_get_gem_obj(state->fb, 0)->base.dma_buf; - if (dma_buf) { - fence = reservation_object_get_excl_rcu(dma_buf->resv); - drm_atomic_set_fence_for_plane(state, fence); - } - - return 0; + return drm_gem_fb_prepare_fb(plane, state); } EXPORT_SYMBOL_GPL(drm_fb_cma_prepare_fb);
#ifdef CONFIG_DEBUG_FS static void drm_fb_cma_describe(struct drm_framebuffer *fb, struct seq_file *m) { - struct drm_fb_cma *fb_cma = to_fb_cma(fb); int i;
seq_printf(m, "fb: %dx%d@%4.4s\n", fb->width, fb->height, @@ -330,7 +213,7 @@ static void drm_fb_cma_describe(struct drm_framebuffer *fb, struct seq_file *m) for (i = 0; i < fb->format->num_planes; i++) { seq_printf(m, " %d: offset=%d pitch=%d, obj: ", i, fb->offsets[i], fb->pitches[i]); - drm_gem_cma_describe(fb_cma->obj[i], m); + drm_gem_cma_describe(drm_fb_cma_get_gem_obj(fb, i), m); } }
@@ -434,6 +317,7 @@ drm_fbdev_cma_create(struct drm_fb_helper *helper, struct drm_mode_fb_cmd2 mode_cmd = { 0 }; struct drm_device *dev = helper->dev; struct drm_gem_cma_object *obj; + struct drm_gem_object *gem; struct drm_framebuffer *fb; unsigned int bytes_per_pixel; unsigned long offset; @@ -464,15 +348,14 @@ drm_fbdev_cma_create(struct drm_fb_helper *helper, goto err_gem_free_object; }
- fbdev_cma->fb = drm_fb_cma_alloc(dev, &mode_cmd, &obj, 1, - fbdev_cma->fb_funcs); - if (IS_ERR(fbdev_cma->fb)) { + gem = &obj->base; + fb = drm_gem_fb_alloc(dev, &mode_cmd, &gem, 1, fbdev_cma->fb_funcs); + if (IS_ERR(fb)) { dev_err(dev->dev, "Failed to allocate DRM framebuffer.\n"); - ret = PTR_ERR(fbdev_cma->fb); + ret = PTR_ERR(fb); goto err_fb_info_destroy; }
- fb = &fbdev_cma->fb->fb; helper->fb = fb;
fbi->par = helper; @@ -500,7 +383,7 @@ drm_fbdev_cma_create(struct drm_fb_helper *helper, return 0;
err_cma_destroy: - drm_framebuffer_remove(&fbdev_cma->fb->fb); + drm_framebuffer_remove(fb); err_fb_info_destroy: drm_fb_helper_fini(helper); err_gem_free_object: @@ -570,6 +453,11 @@ struct drm_fbdev_cma *drm_fbdev_cma_init_with_funcs(struct drm_device *dev, } EXPORT_SYMBOL_GPL(drm_fbdev_cma_init_with_funcs);
+static const struct drm_framebuffer_funcs drm_fb_cma_funcs = { + .destroy = drm_gem_fb_destroy, + .create_handle = drm_gem_fb_create_handle, +}; + /** * drm_fbdev_cma_init() - Allocate and initializes a drm_fbdev_cma struct * @dev: DRM device @@ -597,8 +485,8 @@ void drm_fbdev_cma_fini(struct drm_fbdev_cma *fbdev_cma) if (fbdev_cma->fb_helper.fbdev) drm_fbdev_cma_defio_fini(fbdev_cma->fb_helper.fbdev);
- if (fbdev_cma->fb) - drm_framebuffer_remove(&fbdev_cma->fb->fb); + if (fbdev_cma->fb_helper.fb) + drm_framebuffer_remove(fbdev_cma->fb_helper.fb);
drm_fb_helper_fini(&fbdev_cma->fb_helper); kfree(fbdev_cma);