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@xxxxxxx>
Cc: Daniel Vetter <daniel@xxxxxxxx>
Tested-by: Isaac J. Manjarres <isaacmanjarres@xxxxxxxxxx>
---
drivers/gpu/drm/drm_managed.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/gpu/drm/drm_managed.c b/drivers/gpu/drm/drm_managed.c
index 4cf214de50c4..3a5802f60e65 100644
--- a/drivers/gpu/drm/drm_managed.c
+++ b/drivers/gpu/drm/drm_managed.c
@@ -49,10 +49,10 @@ 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
- * buffer alignment as if it was allocated by plain kmalloc().
+ * Thus we use ARCH_DMA_MINALIGN for data[] which will force the same
+ * alignment for struct drmres when allocated by kmalloc().
*/
- u8 __aligned(ARCH_KMALLOC_MINALIGN) data[];
+ u8 __aligned(ARCH_DMA_MINALIGN) data[];
};
static void free_dr(struct drmres *dr)
