shmem helpers seem a bit sloppy here by automatically rounding up when
actually creating the buffer, which results in under-reporting of what
we actually have. Caught by igt/vgem_basic tests.
Acked-by: Thomas Zimmermann <tzimmerm...@suse.de>
Signed-off-by: Daniel Vetter <daniel.vet...@intel.com>
Cc: Maarten Lankhorst <maarten.lankho...@linux.intel.com>
Cc: Maxime Ripard <mrip...@kernel.org>
Cc: Thomas Zimmermann <tzimmerm...@suse.de>
Cc: David Airlie <airl...@linux.ie>
Cc: Daniel Vetter <dan...@ffwll.ch>
---
drivers/gpu/drm/drm_gem_shmem_helper.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/drm_gem_shmem_helper.c
b/drivers/gpu/drm/drm_gem_shmem_helper.c
index 11edd54f0580..296ab1b7c07f 100644
--- a/drivers/gpu/drm/drm_gem_shmem_helper.c
+++ b/drivers/gpu/drm/drm_gem_shmem_helper.c
@@ -505,13 +505,13 @@ int drm_gem_shmem_dumb_create(struct drm_file *file,
struct drm_device *dev,
if (!args->pitch || !args->size) {
args->pitch = min_pitch;
- args->size = args->pitch * args->height;
+ args->size = PAGE_ALIGN(args->pitch * args->height);
} else {
/* ensure sane minimum values */
if (args->pitch < min_pitch)
args->pitch = min_pitch;
if (args->size < args->pitch * args->height)
- args->size = args->pitch * args->height;
+ args->size = PAGE_ALIGN(args->pitch * args->height);
}
shmem = drm_gem_shmem_create_with_handle(file, dev, args->size,
&args->handle);
--
2.31.0
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