chithanh    15/06/15 12:26:19

  Added:               
                        xf86-video-intel-2.99.917-libdrm-kernel-4_0-crash.patch
  Log:
  Add patch to fix SNA crash with newer libdrm/kernel, bug #552124.
  
  (Portage version: 2.2.18/cvs/Linux x86_64, signed Manifest commit with key 
0x2324E7B566DF2611!)

Revision  Changes    Path
1.1                  
x11-drivers/xf86-video-intel/files/xf86-video-intel-2.99.917-libdrm-kernel-4_0-crash.patch

file : 
http://sources.gentoo.org/viewvc.cgi/gentoo-x86/x11-drivers/xf86-video-intel/files/xf86-video-intel-2.99.917-libdrm-kernel-4_0-crash.patch?rev=1.1&view=markup
plain: 
http://sources.gentoo.org/viewvc.cgi/gentoo-x86/x11-drivers/xf86-video-intel/files/xf86-video-intel-2.99.917-libdrm-kernel-4_0-crash.patch?rev=1.1&content-type=text/plain

Index: xf86-video-intel-2.99.917-libdrm-kernel-4_0-crash.patch
===================================================================
>From 7fe2b2948652443ff43d907855bd7a051d54d309 Mon Sep 17 00:00:00 2001
From: Chris Wilson <ch...@chris-wilson.co.uk>
Date: Thu, 19 Mar 2015 23:14:17 +0000
Subject: sna: Protect against ABI breakage in recent versions of libdrm

Signed-off-by: Chris Wilson <ch...@chris-wilson.co.uk>

diff --git a/src/sna/kgem.c b/src/sna/kgem.c
index 11f0828..6f16cba 100644
--- a/src/sna/kgem.c
+++ b/src/sna/kgem.c
@@ -182,6 +182,15 @@ struct local_i915_gem_caching {
 #define LOCAL_IOCTL_I915_GEM_SET_CACHING DRM_IOW(DRM_COMMAND_BASE + 
LOCAL_I915_GEM_SET_CACHING, struct local_i915_gem_caching)
 #define LOCAL_IOCTL_I915_GEM_GET_CACHING DRM_IOW(DRM_COMMAND_BASE + 
LOCAL_I915_GEM_GET_CACHING, struct local_i915_gem_caching)
 
+struct local_i915_gem_mmap {
+       uint32_t handle;
+       uint32_t pad;
+       uint64_t offset;
+       uint64_t size;
+       uint64_t addr_ptr;
+};
+#define LOCAL_IOCTL_I915_GEM_MMAP DRM_IOWR(DRM_COMMAND_BASE + 
DRM_I915_GEM_MMAP, struct local_i915_gem_mmap)
+
 struct local_i915_gem_mmap2 {
        uint32_t handle;
        uint32_t pad;
@@ -514,15 +523,15 @@ retry_wc:
 
 static void *__kgem_bo_map__cpu(struct kgem *kgem, struct kgem_bo *bo)
 {
-       struct drm_i915_gem_mmap mmap_arg;
+       struct local_i915_gem_mmap arg;
        int err;
 
 retry:
-       VG_CLEAR(mmap_arg);
-       mmap_arg.handle = bo->handle;
-       mmap_arg.offset = 0;
-       mmap_arg.size = bytes(bo);
-       if ((err = do_ioctl(kgem->fd, DRM_IOCTL_I915_GEM_MMAP, &mmap_arg))) {
+       VG_CLEAR(arg);
+       arg.handle = bo->handle;
+       arg.offset = 0;
+       arg.size = bytes(bo);
+       if ((err = do_ioctl(kgem->fd, LOCAL_IOCTL_I915_GEM_MMAP, &arg))) {
                assert(err != EINVAL);
 
                if (__kgem_throttle_retire(kgem, 0))
@@ -536,10 +545,10 @@ retry:
                return NULL;
        }
 
-       VG(VALGRIND_MAKE_MEM_DEFINED(mmap_arg.addr_ptr, bytes(bo)));
+       VG(VALGRIND_MAKE_MEM_DEFINED(arg.addr_ptr, bytes(bo)));
 
        DBG(("%s: caching CPU vma for %d\n", __FUNCTION__, bo->handle));
-       return bo->map__cpu = (void *)(uintptr_t)mmap_arg.addr_ptr;
+       return bo->map__cpu = (void *)(uintptr_t)arg.addr_ptr;
 }
 
 static int gem_write(int fd, uint32_t handle,
-- 
cgit v0.10.2





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