Am 26.11.25 um 15:44 schrieb Ludovic Desroches:
Using drm_mode_size_dumb() to compute the size of dumb buffers introduced
an 8-byte alignment constraint on the pitch that wasn’t present before.
Let’s remove this constraint, which isn’t necessarily required and may
cause buffers to be allocated larger than needed.
Signed-off-by: Ludovic Desroches <[email protected]>
Reviewed-by: Thomas Zimmermann <[email protected]>
Fixes: dcacfcd35cef ("drm/gem-dma: Compute dumb-buffer sizes with
drm_mode_size_dumb()")
---
drivers/gpu/drm/drm_gem_dma_helper.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/drm_gem_dma_helper.c
b/drivers/gpu/drm/drm_gem_dma_helper.c
index
12d8307997a0a90a9b5c0469bd742130fa6722d5..eb56ba2347966040a3c7fd27e09c8b81bc797daa
100644
--- a/drivers/gpu/drm/drm_gem_dma_helper.c
+++ b/drivers/gpu/drm/drm_gem_dma_helper.c
@@ -308,7 +308,7 @@ int drm_gem_dma_dumb_create(struct drm_file *file_priv,
struct drm_gem_dma_object *dma_obj;
int ret;
- ret = drm_mode_size_dumb(drm, args, SZ_8, 0);
+ ret = drm_mode_size_dumb(drm, args, 0, 0);
if (ret)
return ret;
--
--
Thomas Zimmermann
Graphics Driver Developer
SUSE Software Solutions Germany GmbH
Frankenstr. 146, 90461 Nürnberg, Germany, www.suse.com
GF: Jochen Jaser, Andrew McDonald, Werner Knoblich, (HRB 36809, AG Nürnberg)
