mirror of https://github.com/hak5/openwrt.git
41 lines
1.2 KiB
Diff
41 lines
1.2 KiB
Diff
From a1fbf2a0424262c6f2d974aa5a6e71d47288e1a8 Mon Sep 17 00:00:00 2001
|
|
From: Eric Anholt <eric@anholt.net>
|
|
Date: Wed, 19 Nov 2014 12:06:38 -0800
|
|
Subject: [PATCH] drm: Put an optional field in the driver struct for GEM obj
|
|
struct size.
|
|
|
|
This allows a driver to derive from the CMA object without copying all
|
|
of the code.
|
|
|
|
Signed-off-by: Eric Anholt <eric@anholt.net>
|
|
---
|
|
drivers/gpu/drm/drm_gem_cma_helper.c | 5 ++++-
|
|
include/drm/drmP.h | 1 +
|
|
2 files changed, 5 insertions(+), 1 deletion(-)
|
|
|
|
--- a/drivers/gpu/drm/drm_gem_cma_helper.c
|
|
+++ b/drivers/gpu/drm/drm_gem_cma_helper.c
|
|
@@ -58,8 +58,11 @@ __drm_gem_cma_create(struct drm_device *
|
|
struct drm_gem_cma_object *cma_obj;
|
|
struct drm_gem_object *gem_obj;
|
|
int ret;
|
|
+ size_t obj_size = (drm->driver->gem_obj_size ?
|
|
+ drm->driver->gem_obj_size :
|
|
+ sizeof(*cma_obj));
|
|
|
|
- cma_obj = kzalloc(sizeof(*cma_obj), GFP_KERNEL);
|
|
+ cma_obj = kzalloc(obj_size, GFP_KERNEL);
|
|
if (!cma_obj)
|
|
return ERR_PTR(-ENOMEM);
|
|
|
|
--- a/include/drm/drmP.h
|
|
+++ b/include/drm/drmP.h
|
|
@@ -639,6 +639,7 @@ struct drm_driver {
|
|
|
|
u32 driver_features;
|
|
int dev_priv_size;
|
|
+ size_t gem_obj_size;
|
|
const struct drm_ioctl_desc *ioctls;
|
|
int num_ioctls;
|
|
const struct file_operations *fops;
|