diff options
Diffstat (limited to 'target/linux/brcm2708/patches-4.4/0112-drm-Put-an-optional-field-in-the-driver-struct-for-G.patch')
| -rw-r--r-- | target/linux/brcm2708/patches-4.4/0112-drm-Put-an-optional-field-in-the-driver-struct-for-G.patch | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/target/linux/brcm2708/patches-4.4/0112-drm-Put-an-optional-field-in-the-driver-struct-for-G.patch b/target/linux/brcm2708/patches-4.4/0112-drm-Put-an-optional-field-in-the-driver-struct-for-G.patch new file mode 100644 index 0000000000..637157b355 --- /dev/null +++ b/target/linux/brcm2708/patches-4.4/0112-drm-Put-an-optional-field-in-the-driver-struct-for-G.patch @@ -0,0 +1,40 @@ +From b1891f7b0018e7e778f49c1817692e1f85a1f529 Mon Sep 17 00:00:00 2001 +From: Eric Anholt <eric@anholt.net> +Date: Wed, 19 Nov 2014 12:06:38 -0800 +Subject: [PATCH 112/232] 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; |