this patch adds packed_size variable in exynos_drm_gem_obj struct and this variable is used to check for valid framebuffer and gem size.
Signed-off-by: Inki Dae inki.dae@samsung.com Signed-off-by: Kyungmin Park kyungmin.park@samsung.com --- drivers/gpu/drm/exynos/exynos_drm_gem.c | 2 ++ drivers/gpu/drm/exynos/exynos_drm_gem.h | 3 +++ 2 files changed, 5 insertions(+), 0 deletions(-)
diff --git a/drivers/gpu/drm/exynos/exynos_drm_gem.c b/drivers/gpu/drm/exynos/exynos_drm_gem.c index 411d82b..94e8137 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_gem.c +++ b/drivers/gpu/drm/exynos/exynos_drm_gem.c @@ -345,6 +345,7 @@ struct exynos_drm_gem_obj *exynos_drm_gem_create(struct drm_device *dev, { struct exynos_drm_gem_obj *exynos_gem_obj; struct exynos_drm_gem_buf *buf; + unsigned long packed_size = size; int ret;
if (!size) { @@ -369,6 +370,7 @@ struct exynos_drm_gem_obj *exynos_drm_gem_create(struct drm_device *dev, goto err_fini_buf; }
+ exynos_gem_obj->packed_size = packed_size; exynos_gem_obj->buffer = buf;
/* set memory type and cache attribute from user side. */ diff --git a/drivers/gpu/drm/exynos/exynos_drm_gem.h b/drivers/gpu/drm/exynos/exynos_drm_gem.h index 085b2a5..1d80cb2 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_gem.h +++ b/drivers/gpu/drm/exynos/exynos_drm_gem.h @@ -65,6 +65,8 @@ struct exynos_drm_gem_buf { * or at framebuffer creation. * @size: size requested from user, in bytes and this size is aligned * in page unit. + * @packed_size: real size of the gem object, in bytes and + * this size isn't aligned in page unit. * @flags: indicate memory type to allocated buffer and cache attruibute. * * P.S. this object would be transfered to user as kms_bo.handle so @@ -74,6 +76,7 @@ struct exynos_drm_gem_obj { struct drm_gem_object base; struct exynos_drm_gem_buf *buffer; unsigned long size; + unsigned long packed_size; unsigned int flags; };