Call drm_mode_size_dumb() to compute dumb-buffer scanline pitch and
buffer size. No alignment required.
Signed-off-by: Thomas Zimmermann <tzimmerm...@suse.de>
Cc: Inki Dae <inki....@samsung.com>
Cc: Seung-Woo Kim <sw0312....@samsung.com>
Cc: Kyungmin Park <kyungmin.p...@samsung.com>
Cc: Krzysztof Kozlowski <k...@kernel.org>
Cc: Alim Akhtar <alim.akh...@samsung.com>
Acked-by: Inki Dae <inki....@samsung.com>
---
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
