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| author | Thomas Zimmermann <tzimmermann@suse.de> | 2021-07-16 16:08:01 +0200 |
|---|---|---|
| committer | Thomas Zimmermann <tzimmermann@suse.de> | 2021-07-23 20:18:14 +0200 |
| commit | 9200454ca0478cdf52232e2b007189e3e307a07d (patch) | |
| tree | bcaaf0831a4f7b8754b7748d05e5f0d9f2a83136 /drivers/gpu/drm/tiny/st7586.c | |
| parent | baf6c24bacdde421823cf14420c84d610c1eda51 (diff) | |
| download | linux-9200454ca0478cdf52232e2b007189e3e307a07d.tar.gz linux-9200454ca0478cdf52232e2b007189e3e307a07d.tar.bz2 linux-9200454ca0478cdf52232e2b007189e3e307a07d.zip | |
drm/st7586: Use framebuffer dma-buf helpers
Replace dma_buf_begin_cpu_access() with drm_gem_fb_begin_cpu_access();
same for _end_cpu_access(). Remove some boiler-plate code. No functional
changes.
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Noralf Trønnes <noralf@tronnes.org>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Acked-by: David Lechner <david@lechnology.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210716140801.1215-8-tzimmermann@suse.de
Diffstat (limited to 'drivers/gpu/drm/tiny/st7586.c')
| -rw-r--r-- | drivers/gpu/drm/tiny/st7586.c | 18 |
1 files changed, 6 insertions, 12 deletions
diff --git a/drivers/gpu/drm/tiny/st7586.c b/drivers/gpu/drm/tiny/st7586.c index 1be55bed609a..ad0faa8723c2 100644 --- a/drivers/gpu/drm/tiny/st7586.c +++ b/drivers/gpu/drm/tiny/st7586.c @@ -6,7 +6,6 @@ */ #include <linux/delay.h> -#include <linux/dma-buf.h> #include <linux/gpio/consumer.h> #include <linux/module.h> #include <linux/property.h> @@ -21,6 +20,7 @@ #include <drm/drm_format_helper.h> #include <drm/drm_gem_atomic_helper.h> #include <drm/drm_gem_cma_helper.h> +#include <drm/drm_gem_framebuffer_helper.h> #include <drm/drm_managed.h> #include <drm/drm_mipi_dbi.h> #include <drm/drm_rect.h> @@ -92,24 +92,18 @@ static int st7586_buf_copy(void *dst, struct drm_framebuffer *fb, struct drm_rect *clip) { struct drm_gem_cma_object *cma_obj = drm_fb_cma_get_gem_obj(fb, 0); - struct dma_buf_attachment *import_attach = cma_obj->base.import_attach; void *src = cma_obj->vaddr; int ret = 0; - if (import_attach) { - ret = dma_buf_begin_cpu_access(import_attach->dmabuf, - DMA_FROM_DEVICE); - if (ret) - return ret; - } + ret = drm_gem_fb_begin_cpu_access(fb, DMA_FROM_DEVICE); + if (ret) + return ret; st7586_xrgb8888_to_gray332(dst, src, fb, clip); - if (import_attach) - ret = dma_buf_end_cpu_access(import_attach->dmabuf, - DMA_FROM_DEVICE); + drm_gem_fb_end_cpu_access(fb, DMA_FROM_DEVICE); - return ret; + return 0; } static void st7586_fb_dirty(struct drm_framebuffer *fb, struct drm_rect *rect) |