Call drm_mode_size_dumb() to compute dumb-buffer scanline pitch and buffer size. No alignment required. Signed-off-by: Thomas Zimmermann <tzimmermann@xxxxxxx> Cc: Inki Dae <inki.dae@xxxxxxxxxxx> Cc: Seung-Woo Kim <sw0312.kim@xxxxxxxxxxx> Cc: Kyungmin Park <kyungmin.park@xxxxxxxxxxx> Cc: Krzysztof Kozlowski <krzk@xxxxxxxxxx> Cc: Alim Akhtar <alim.akhtar@xxxxxxxxxxx> Acked-by: Inki Dae <inki.dae@xxxxxxxxxxx> --- drivers/gpu/drm/exynos/exynos_drm_gem.c | 8 +++++--- 1 file 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 -- 2.50.1