[PATCH 2/4] drm/exynos: add packed_size not aligned in page unit.

[Inki Dae <inki.dae@xxxxxxxxxxx>]

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@xxxxxxxxxxx>
Signed-off-by: Kyungmin Park <kyungmin.park@xxxxxxxxxxx>
---
 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;
 };
 
-- 
1.7.4.1

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