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66 lines
2 KiB
Diff
66 lines
2 KiB
Diff
From 7fe2b2948652443ff43d907855bd7a051d54d309 Mon Sep 17 00:00:00 2001
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From: Chris Wilson <chris@chris-wilson.co.uk>
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Date: Thu, 19 Mar 2015 23:14:17 +0000
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Subject: sna: Protect against ABI breakage in recent versions of libdrm
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Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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diff --git a/src/sna/kgem.c b/src/sna/kgem.c
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index 11f0828..6f16cba 100644
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--- a/src/sna/kgem.c
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+++ b/src/sna/kgem.c
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@@ -182,6 +182,15 @@ struct local_i915_gem_caching {
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#define LOCAL_IOCTL_I915_GEM_SET_CACHING DRM_IOW(DRM_COMMAND_BASE + LOCAL_I915_GEM_SET_CACHING, struct local_i915_gem_caching)
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#define LOCAL_IOCTL_I915_GEM_GET_CACHING DRM_IOW(DRM_COMMAND_BASE + LOCAL_I915_GEM_GET_CACHING, struct local_i915_gem_caching)
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+struct local_i915_gem_mmap {
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+ uint32_t handle;
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+ uint32_t pad;
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+ uint64_t offset;
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+ uint64_t size;
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+ uint64_t addr_ptr;
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+};
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+#define LOCAL_IOCTL_I915_GEM_MMAP DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_GEM_MMAP, struct local_i915_gem_mmap)
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+
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struct local_i915_gem_mmap2 {
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uint32_t handle;
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uint32_t pad;
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@@ -514,15 +523,15 @@ retry_wc:
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static void *__kgem_bo_map__cpu(struct kgem *kgem, struct kgem_bo *bo)
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{
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- struct drm_i915_gem_mmap mmap_arg;
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+ struct local_i915_gem_mmap arg;
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int err;
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retry:
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- VG_CLEAR(mmap_arg);
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- mmap_arg.handle = bo->handle;
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- mmap_arg.offset = 0;
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- mmap_arg.size = bytes(bo);
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- if ((err = do_ioctl(kgem->fd, DRM_IOCTL_I915_GEM_MMAP, &mmap_arg))) {
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+ VG_CLEAR(arg);
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+ arg.handle = bo->handle;
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+ arg.offset = 0;
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+ arg.size = bytes(bo);
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+ if ((err = do_ioctl(kgem->fd, LOCAL_IOCTL_I915_GEM_MMAP, &arg))) {
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assert(err != EINVAL);
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if (__kgem_throttle_retire(kgem, 0))
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@@ -536,10 +545,10 @@ retry:
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return NULL;
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}
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- VG(VALGRIND_MAKE_MEM_DEFINED(mmap_arg.addr_ptr, bytes(bo)));
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+ VG(VALGRIND_MAKE_MEM_DEFINED(arg.addr_ptr, bytes(bo)));
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DBG(("%s: caching CPU vma for %d\n", __FUNCTION__, bo->handle));
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- return bo->map__cpu = (void *)(uintptr_t)mmap_arg.addr_ptr;
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+ return bo->map__cpu = (void *)(uintptr_t)arg.addr_ptr;
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}
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static int gem_write(int fd, uint32_t handle,
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--
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cgit v0.10.2
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