diff options
| author | Thomas Zimmermann <tzimmermann@suse.de> | 2025-08-21 10:17:22 +0200 |
|---|---|---|
| committer | Thomas Zimmermann <tzimmermann@suse.de> | 2025-09-29 14:00:57 +0200 |
| commit | 9ea885b3a6bfab3532968a5b8676df0601d43ccb (patch) | |
| tree | bc832d3be75622961fa66799b8ddac51a01379bb /drivers/gpu/drm/omapdrm/omap_gem.c | |
| parent | 7aff3a6be7d013a829442bbb96341a6ab428d49b (diff) | |
drm/omapdrm: Compute dumb-buffer sizes with drm_mode_size_dumb()
Call drm_mode_size_dumb() to compute dumb-buffer scanline pitch and
buffer size. Align the pitch to a multiple of 8.
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
Cc: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
Link: https://lore.kernel.org/r/20250821081918.79786-16-tzimmermann@suse.de
Diffstat (limited to 'drivers/gpu/drm/omapdrm/omap_gem.c')
| -rw-r--r-- | drivers/gpu/drm/omapdrm/omap_gem.c | 15 |
1 files changed, 7 insertions, 8 deletions
diff --git a/drivers/gpu/drm/omapdrm/omap_gem.c b/drivers/gpu/drm/omapdrm/omap_gem.c index 381552bfb409..78563a8d8732 100644 --- a/drivers/gpu/drm/omapdrm/omap_gem.c +++ b/drivers/gpu/drm/omapdrm/omap_gem.c @@ -10,6 +10,7 @@ #include <linux/spinlock.h> #include <linux/vmalloc.h> +#include <drm/drm_dumb_buffers.h> #include <drm/drm_prime.h> #include <drm/drm_vma_manager.h> @@ -580,15 +581,13 @@ static int omap_gem_object_mmap(struct drm_gem_object *obj, struct vm_area_struc int omap_gem_dumb_create(struct drm_file *file, struct drm_device *dev, struct drm_mode_create_dumb *args) { - union omap_gem_size gsize; - - args->pitch = DIV_ROUND_UP(args->width * args->bpp, 8); - - args->size = PAGE_ALIGN(args->pitch * args->height); + union omap_gem_size gsize = { }; + int ret; - gsize = (union omap_gem_size){ - .bytes = args->size, - }; + ret = drm_mode_size_dumb(dev, args, SZ_8, 0); + if (ret) + return ret; + gsize.bytes = args->size; return omap_gem_new_handle(dev, file, gsize, OMAP_BO_SCANOUT | OMAP_BO_WC, &args->handle); |