diff options
Diffstat (limited to 'target/linux/brcm2708/patches-4.4/0450-drm-vc4-Fix-ioctl-permissions-for-render-nodes.patch')
| -rw-r--r-- | target/linux/brcm2708/patches-4.4/0450-drm-vc4-Fix-ioctl-permissions-for-render-nodes.patch | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/target/linux/brcm2708/patches-4.4/0450-drm-vc4-Fix-ioctl-permissions-for-render-nodes.patch b/target/linux/brcm2708/patches-4.4/0450-drm-vc4-Fix-ioctl-permissions-for-render-nodes.patch new file mode 100644 index 0000000000..5ba6969870 --- /dev/null +++ b/target/linux/brcm2708/patches-4.4/0450-drm-vc4-Fix-ioctl-permissions-for-render-nodes.patch @@ -0,0 +1,39 @@ +From 590e54b9ca38b0700b1b61cdd414205cdc3eef8b Mon Sep 17 00:00:00 2001 +From: Herve Jourdain <herve.jourdain@neuf.fr> +Date: Wed, 1 Jun 2016 02:24:46 +0800 +Subject: [PATCH] drm/vc4: Fix ioctl permissions for render nodes. + +Contrary to other flags to DRM_IOCTL_DEF_DRV(), which restrict usage, +the flag for render node is an enabler (the IOCTL can't be used from +render node if it's not present). So DRM_RENDER_ALLOW needs to be +added to all the flags that were previously 0. + +Signed-off-by: Herve Jourdain <herve.jourdain@neuf.fr> +Reviewed-by: Eric Anholt <eric@anholt.net> +Fixes: 0cd3e2747662 ("drm/vc4: Add missing render node support") +(cherry picked from commit b10c22e5f9902a329450c2027e9291b71e9f1602) +--- + drivers/gpu/drm/vc4/vc4_drv.c | 12 ++++++------ + 1 file changed, 6 insertions(+), 6 deletions(-) + +--- a/drivers/gpu/drm/vc4/vc4_drv.c ++++ b/drivers/gpu/drm/vc4/vc4_drv.c +@@ -88,12 +88,12 @@ static const struct file_operations vc4_ + }; + + 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, DRM_RENDER_ALLOW), ++ DRM_IOCTL_DEF_DRV(VC4_WAIT_SEQNO, vc4_wait_seqno_ioctl, DRM_RENDER_ALLOW), ++ DRM_IOCTL_DEF_DRV(VC4_WAIT_BO, vc4_wait_bo_ioctl, DRM_RENDER_ALLOW), ++ DRM_IOCTL_DEF_DRV(VC4_CREATE_BO, vc4_create_bo_ioctl, DRM_RENDER_ALLOW), ++ DRM_IOCTL_DEF_DRV(VC4_MMAP_BO, vc4_mmap_bo_ioctl, DRM_RENDER_ALLOW), ++ DRM_IOCTL_DEF_DRV(VC4_CREATE_SHADER_BO, vc4_create_shader_bo_ioctl, DRM_RENDER_ALLOW), + DRM_IOCTL_DEF_DRV(VC4_GET_HANG_STATE, vc4_get_hang_state_ioctl, + DRM_ROOT_ONLY), + }; |