[PATCH 03/10] drivers/gpu: Use ARCH_DMA_MINALIGN instead of ARCH_KMALLOC_MINALIGN

Catalin Marinas
2022-04-06T01:13:49Z

ARCH_DMA_MINALIGN represents the minimum (static) alignment for safe DMA
operations while ARCH_KMALLOC_MINALIGN is the minimum kmalloc() objects
alignment.

Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Cc: Daniel Vetter <daniel@ffwll.ch>
---
drivers/gpu/drm/drm_managed.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/drm_managed.c b/drivers/gpu/drm/drm_managed.c
index 37d7db6223be..2d4c51f9d74e 100644
--- a/drivers/gpu/drm/drm_managed.c
+++ b/drivers/gpu/drm/drm_managed.c
@@ -48,10 +48,10 @@ struct drmres {
* Some archs want to perform DMA into kmalloc caches
* and need a guaranteed alignment larger than
* the alignment of a 64-bit integer.
- * Thus we use ARCH_KMALLOC_MINALIGN here and get exactly the same
+ * Thus we use ARCH_DMA_MINALIGN here and get at least the same
* buffer alignment as if it was allocated by plain kmalloc().
*/
- u8 __aligned(ARCH_KMALLOC_MINALIGN) data[];
+ u8 __aligned(ARCH_DMA_MINALIGN) data[];
};

static void free_dr(struct drmres *dr)