diff options
| author | Daniel Vetter <daniel.vetter@ffwll.ch> | 2021-06-03 19:41:12 +0300 |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2021-07-13 16:44:15 +0300 |
| commit | 35d283658a6196b2057be562096610c6793e1219 (patch) | |
| tree | 2b11729433fd628a4c50b020ca747246a82a7621 /drivers | |
| parent | 072ed3431f5ba20cccdaf57ee950e36b8693e235 (diff) | |
| download | linux-35d283658a6196b2057be562096610c6793e1219.tar.xz | |
drm/shmem-helper: Align to page size in dumb_create
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 <tzimmermann@suse.de>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Cc: Maxime Ripard <mripard@kernel.org>
Cc: Thomas Zimmermann <tzimmermann@suse.de>
Cc: David Airlie <airlied@linux.ie>
Cc: Daniel Vetter <daniel@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20210603164113.1433476-4-daniel.vetter@ffwll.ch
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/gpu/drm/drm_gem_shmem_helper.c | 4 |
1 files 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 6d625cee7a6a..d5e6d4568f99 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); |