[yocto] [meta-raspberrypi][PATCH v4 12/12] linux-raspberrypi-4.4: add patch to enable proper operation of renderD128 device

[Herve Jourdain]

Signed-off-by: Herve Jourdain <herve.jourdain at neuf.fr>
---
 .../0002-vc4-ioctl-rendering-allow.patch           | 29 ++++++++++++++++++++++
 recipes-kernel/linux/linux-raspberrypi_4.4.bb      |  1 +
 2 files changed, 30 insertions(+)
 create mode 100644 recipes-kernel/linux/linux-raspberrypi-4.4/0002-vc4-ioctl-rendering-allow.patch

diff --git a/recipes-kernel/linux/linux-raspberrypi-4.4/0002-vc4-ioctl-rendering-allow.patch b/recipes-kernel/linux/linux-raspberrypi-4.4/0002-vc4-ioctl-rendering-allow.patch
new file mode 100644
index 0000000..59d0ed7
--- /dev/null
+++ b/recipes-kernel/linux/linux-raspberrypi-4.4/0002-vc4-ioctl-rendering-allow.patch
@@ -0,0 +1,29 @@
+This patch has been accepted upstream in kernel 4.7-rc3
+But it has not yet been backported to 4.4...
+Upstream-Status: Accepted [http://www.gossamer-threads.com/lists/linux/kernel/2459302]
+Signed-off-by: Herve Jourdain <herve.jourdain at neuf.fr>
+---
+
+diff --git a/drivers/gpu/drm/vc4/vc4_drv.c b/drivers/gpu/drm/vc4/vc4_drv.c
+index a5b68c1..14b5ec1 100644
+--- a/drivers/gpu/drm/vc4/vc4_drv.c
++++ b/drivers/gpu/drm/vc4/vc4_drv.c
+@@ -75,12 +75,12 @@ static const struct file_operations vc4_drm_fops = {
+ };
+ 
+ static const struct drm_ioctl_desc vc4_drm_ioctls[] = {
+-	DRM_IOCTL_DEF_DRV(VC4_SUBMIT_CL, vc4_submit_cl_ioctl, 0),
+-	DRM_IOCTL_DEF_DRV(VC4_WAIT_SEQNO, vc4_wait_seqno_ioctl, 0),
+-	DRM_IOCTL_DEF_DRV(VC4_WAIT_BO, vc4_wait_bo_ioctl, 0),
+-	DRM_IOCTL_DEF_DRV(VC4_CREATE_BO, vc4_create_bo_ioctl, 0),
+-	DRM_IOCTL_DEF_DRV(VC4_MMAP_BO, vc4_mmap_bo_ioctl, 0),
+-	DRM_IOCTL_DEF_DRV(VC4_CREATE_SHADER_BO, vc4_create_shader_bo_ioctl, 0),
++	DRM_IOCTL_DEF_DRV(VC4_SUBMIT_CL, vc4_submit_cl_ioctl, 0|DRM_RENDER_ALLOW),
++	DRM_IOCTL_DEF_DRV(VC4_WAIT_SEQNO, vc4_wait_seqno_ioctl, 0|DRM_RENDER_ALLOW),
++	DRM_IOCTL_DEF_DRV(VC4_WAIT_BO, vc4_wait_bo_ioctl, 0|DRM_RENDER_ALLOW),
++	DRM_IOCTL_DEF_DRV(VC4_CREATE_BO, vc4_create_bo_ioctl, 0|DRM_RENDER_ALLOW),
++	DRM_IOCTL_DEF_DRV(VC4_MMAP_BO, vc4_mmap_bo_ioctl, 0|DRM_RENDER_ALLOW),
++	DRM_IOCTL_DEF_DRV(VC4_CREATE_SHADER_BO, vc4_create_shader_bo_ioctl, 0|DRM_RENDER_ALLOW),
+ 	DRM_IOCTL_DEF_DRV(VC4_GET_HANG_STATE, vc4_get_hang_state_ioctl,
+ 			  DRM_ROOT_ONLY),
+ };
diff --git a/recipes-kernel/linux/linux-raspberrypi_4.4.bb b/recipes-kernel/linux/linux-raspberrypi_4.4.bb
index b13925c..8fe5330 100644
--- a/recipes-kernel/linux/linux-raspberrypi_4.4.bb
+++ b/recipes-kernel/linux/linux-raspberrypi_4.4.bb
@@ -5,5 +5,6 @@ LINUX_VERSION ?= "4.4.13"
 SRCREV = "680be5e27a9593cf26079c6e5744a04cc2809d13"
 SRC_URI = "git://github.com/raspberrypi/linux.git;protocol=git;branch=rpi-4.4.y \
            file://0001-fix-dtbo-rules.patch \
+           file://0002-vc4-ioctl-rendering-allow.patch \
 "
 require linux-raspberrypi.inc
-- 
2.7.4