diff options
| author | Thomas Zimmermann <tzimmermann@suse.de> | 2025-08-21 10:17:14 +0200 |
|---|---|---|
| committer | Thomas Zimmermann <tzimmermann@suse.de> | 2025-09-29 14:00:57 +0200 |
| commit | ecf29357b6268f70d13949f86df9d62e077d4b89 (patch) | |
| tree | 3ee74819a99ae3a76bb45642810f1c881465bdaa | |
| parent | 4977dcecb93169e388898cdec277def0181888aa (diff) | |
drm/exynos: Compute dumb-buffer sizes with drm_mode_size_dumb()
Call drm_mode_size_dumb() to compute dumb-buffer scanline pitch and
buffer size. No alignment required.
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Cc: Inki Dae <inki.dae@samsung.com>
Cc: Seung-Woo Kim <sw0312.kim@samsung.com>
Cc: Kyungmin Park <kyungmin.park@samsung.com>
Cc: Krzysztof Kozlowski <krzk@kernel.org>
Cc: Alim Akhtar <alim.akhtar@samsung.com>
Acked-by: Inki Dae <inki.dae@samsung.com>
Link: https://lore.kernel.org/r/20250821081918.79786-8-tzimmermann@suse.de
| -rw-r--r-- | drivers/gpu/drm/exynos/exynos_drm_gem.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/drivers/gpu/drm/exynos/exynos_drm_gem.c b/drivers/gpu/drm/exynos/exynos_drm_gem.c index e3fbb45f37a2..02714c9ab639 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_gem.c +++ b/drivers/gpu/drm/exynos/exynos_drm_gem.c @@ -10,6 +10,7 @@ #include <linux/shmem_fs.h> #include <linux/module.h> +#include <drm/drm_dumb_buffers.h> #include <drm/drm_prime.h> #include <drm/drm_vma_manager.h> #include <drm/exynos_drm.h> @@ -329,15 +330,16 @@ int exynos_drm_gem_dumb_create(struct drm_file *file_priv, unsigned int flags; int ret; + ret = drm_mode_size_dumb(dev, args, 0, 0); + if (ret) + return ret; + /* * allocate memory to be used for framebuffer. * - this callback would be called by user application * with DRM_IOCTL_MODE_CREATE_DUMB command. */ - args->pitch = args->width * ((args->bpp + 7) / 8); - args->size = args->pitch * args->height; - if (is_drm_iommu_supported(dev)) flags = EXYNOS_BO_NONCONTIG | EXYNOS_BO_WC; else |