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add libdrm prime support for core, intel, nouveau

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This commit is contained in:
Dave Airlie 2012-07-25 16:07:00 +10:00
parent f81f9d3f8c
commit b396f066fd
2 changed files with 253 additions and 1 deletions
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246
libdrm-2.4.37-prime.patch Normal file
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@ -0,0 +1,246 @@
diff --git a/include/drm/drm.h b/include/drm/drm.h
index 5e6cd29..a847689 100644
--- a/include/drm/drm.h
+++ b/include/drm/drm.h
@@ -685,6 +685,9 @@ struct drm_prime_handle {
#define DRM_IOCTL_UNLOCK DRM_IOW( 0x2b, struct drm_lock)
#define DRM_IOCTL_FINISH DRM_IOW( 0x2c, struct drm_lock)
+#define DRM_IOCTL_PRIME_HANDLE_TO_FD DRM_IOWR(0x2d, struct drm_prime_handle)
+#define DRM_IOCTL_PRIME_FD_TO_HANDLE DRM_IOWR(0x2e, struct drm_prime_handle)
+
#define DRM_IOCTL_AGP_ACQUIRE DRM_IO( 0x30)
#define DRM_IOCTL_AGP_RELEASE DRM_IO( 0x31)
#define DRM_IOCTL_AGP_ENABLE DRM_IOW( 0x32, struct drm_agp_mode)
@@ -697,9 +700,6 @@ struct drm_prime_handle {
#define DRM_IOCTL_SG_ALLOC DRM_IOWR(0x38, struct drm_scatter_gather)
#define DRM_IOCTL_SG_FREE DRM_IOW( 0x39, struct drm_scatter_gather)
-#define DRM_IOCTL_PRIME_HANDLE_TO_FD DRM_IOWR(0x2d, struct drm_prime_handle)
-#define DRM_IOCTL_PRIME_FD_TO_HANDLE DRM_IOWR(0x2e, struct drm_prime_handle)
-
#define DRM_IOCTL_WAIT_VBLANK DRM_IOWR(0x3a, union drm_wait_vblank)
#define DRM_IOCTL_UPDATE_DRAW DRM_IOW(0x3f, struct drm_update_draw)
@@ -776,6 +776,12 @@ struct drm_event_vblank {
#define DRM_CAP_DUMB_BUFFER 0x1
#define DRM_CAP_VBLANK_HIGH_CRTC 0x2
+#define DRM_CAP_DUMB_PREFERRED_DEPTH 0x3
+#define DRM_CAP_DUMB_PREFER_SHADOW 0x4
+#define DRM_CAP_PRIME 0x5
+
+#define DRM_PRIME_CAP_IMPORT 0x1
+#define DRM_PRIME_CAP_EXPORT 0x2
/* typedef area */
typedef struct drm_clip_rect drm_clip_rect_t;
diff --git a/intel/intel_bufmgr.h b/intel/intel_bufmgr.h
index 9b3a483..2167e43 100644
--- a/intel/intel_bufmgr.h
+++ b/intel/intel_bufmgr.h
@@ -192,6 +192,10 @@ void drm_intel_gem_context_destroy(drm_intel_context *ctx);
int drm_intel_gem_bo_context_exec(drm_intel_bo *bo, drm_intel_context *ctx,
int used, unsigned int flags);
+int drm_intel_bo_gem_export_to_prime(drm_intel_bo *bo, int *prime_fd);
+drm_intel_bo *drm_intel_bo_gem_create_from_prime(drm_intel_bufmgr *bufmgr,
+ int prime_fd, int size);
+
/* drm_intel_bufmgr_fake.c */
drm_intel_bufmgr *drm_intel_bufmgr_fake_init(int fd,
unsigned long low_offset,
diff --git a/intel/intel_bufmgr_gem.c b/intel/intel_bufmgr_gem.c
index 12a3197..eae2199 100644
--- a/intel/intel_bufmgr_gem.c
+++ b/intel/intel_bufmgr_gem.c
@@ -2413,6 +2413,69 @@ drm_intel_gem_bo_get_tiling(drm_intel_bo *bo, uint32_t * tiling_mode,
return 0;
}
+drm_intel_bo *
+drm_intel_bo_gem_create_from_prime(drm_intel_bufmgr *bufmgr, int prime_fd, int size)
+{
+ drm_intel_bufmgr_gem *bufmgr_gem = (drm_intel_bufmgr_gem *) bufmgr;
+ int ret;
+ uint32_t handle;
+ drm_intel_bo_gem *bo_gem;
+ struct drm_i915_gem_get_tiling get_tiling;
+
+ ret = drmPrimeFDToHandle(bufmgr_gem->fd, prime_fd, &handle);
+ if (ret) {
+ fprintf(stderr,"ret is %d %d\n", ret, errno);
+ return NULL;
+ }
+
+ bo_gem = calloc(1, sizeof(*bo_gem));
+ if (!bo_gem)
+ return NULL;
+
+ bo_gem->bo.size = size;
+ bo_gem->bo.handle = handle;
+ bo_gem->bo.bufmgr = bufmgr;
+
+ bo_gem->gem_handle = handle;
+
+ atomic_set(&bo_gem->refcount, 1);
+
+ bo_gem->name = "prime";
+ bo_gem->validate_index = -1;
+ bo_gem->reloc_tree_fences = 0;
+ bo_gem->used_as_reloc_target = false;
+ bo_gem->has_error = false;
+ bo_gem->reusable = false;
+
+ DRMINITLISTHEAD(&bo_gem->name_list);
+ DRMINITLISTHEAD(&bo_gem->vma_list);
+
+ VG_CLEAR(get_tiling);
+ get_tiling.handle = bo_gem->gem_handle;
+ ret = drmIoctl(bufmgr_gem->fd,
+ DRM_IOCTL_I915_GEM_GET_TILING,
+ &get_tiling);
+ if (ret != 0) {
+ drm_intel_gem_bo_unreference(&bo_gem->bo);
+ return NULL;
+ }
+ bo_gem->tiling_mode = get_tiling.tiling_mode;
+ bo_gem->swizzle_mode = get_tiling.swizzle_mode;
+ /* XXX stride is unknown */
+ drm_intel_bo_gem_set_in_aperture_size(bufmgr_gem, bo_gem);
+
+ return &bo_gem->bo;
+}
+
+int
+drm_intel_bo_gem_export_to_prime(drm_intel_bo *bo, int *prime_fd)
+{
+ drm_intel_bufmgr_gem *bufmgr_gem = (drm_intel_bufmgr_gem *) bo->bufmgr;
+ drm_intel_bo_gem *bo_gem = (drm_intel_bo_gem *) bo;
+
+ return drmPrimeHandleToFD(bufmgr_gem->fd, bo_gem->gem_handle, DRM_CLOEXEC, prime_fd);
+}
+
static int
drm_intel_gem_bo_flink(drm_intel_bo *bo, uint32_t * name)
{
diff --git a/nouveau/nouveau.c b/nouveau/nouveau.c
index 5aa4107..940d933 100644
--- a/nouveau/nouveau.c
+++ b/nouveau/nouveau.c
@@ -34,6 +34,7 @@
#include <assert.h>
#include <errno.h>
#include <sys/mman.h>
+#include <fcntl.h>
#include <xf86drm.h>
#include <xf86atomic.h>
@@ -442,6 +443,40 @@ nouveau_bo_ref(struct nouveau_bo *bo, struct nouveau_bo **pref)
}
int
+nouveau_bo_prime_handle_ref(struct nouveau_device *dev, int prime_fd,
+ struct nouveau_bo **bo)
+{
+ int ret;
+ unsigned int handle;
+
+ ret = drmPrimeFDToHandle(dev->fd, prime_fd, &handle);
+ if (ret) {
+ nouveau_bo_ref(NULL, bo);
+ return ret;
+ }
+
+ ret = nouveau_bo_wrap(dev, handle, bo);
+ if (ret) {
+ nouveau_bo_ref(NULL, bo);
+ return ret;
+ }
+
+ return 0;
+}
+
+int
+nouveau_bo_set_prime(struct nouveau_bo *bo, int *prime_fd)
+{
+ struct nouveau_bo_priv *nvbo = nouveau_bo(bo);
+ int ret;
+
+ ret = drmPrimeHandleToFD(bo->device->fd, nvbo->base.handle, DRM_CLOEXEC, prime_fd);
+ if (ret)
+ return ret;
+ return 0;
+}
+
+int
nouveau_bo_wait(struct nouveau_bo *bo, uint32_t access,
struct nouveau_client *client)
{
diff --git a/nouveau/nouveau.h b/nouveau/nouveau.h
index 51a9598..c42eea7 100644
--- a/nouveau/nouveau.h
+++ b/nouveau/nouveau.h
@@ -135,6 +135,9 @@ int nouveau_bo_map(struct nouveau_bo *, uint32_t access,
struct nouveau_client *);
int nouveau_bo_wait(struct nouveau_bo *, uint32_t access,
struct nouveau_client *);
+int nouveau_bo_prime_handle_ref(struct nouveau_device *dev, int prime_fd,
+ struct nouveau_bo **);
+int nouveau_bo_set_prime(struct nouveau_bo *bo, int *prime_fd);
struct nouveau_bufref {
struct nouveau_list thead;
diff --git a/xf86drm.c b/xf86drm.c
index 6ea068f..2a74c80 100644
--- a/xf86drm.c
+++ b/xf86drm.c
@@ -2542,3 +2542,34 @@ char *drmGetDeviceNameFromFd(int fd)
return strdup(name);
}
+
+int drmPrimeHandleToFD(int fd, uint32_t handle, uint32_t flags, int *prime_fd)
+{
+ struct drm_prime_handle args;
+ int ret;
+
+ args.handle = handle;
+ args.flags = flags;
+ ret = drmIoctl(fd, DRM_IOCTL_PRIME_HANDLE_TO_FD, &args);
+ if (ret)
+ return ret;
+
+ *prime_fd = args.fd;
+ return 0;
+}
+
+int drmPrimeFDToHandle(int fd, int prime_fd, uint32_t *handle)
+{
+ struct drm_prime_handle args;
+ int ret;
+
+ args.fd = prime_fd;
+ args.flags = 0;
+ ret = drmIoctl(fd, DRM_IOCTL_PRIME_FD_TO_HANDLE, &args);
+ if (ret)
+ return ret;
+
+ *handle = args.handle;
+ return 0;
+}
+
diff --git a/xf86drm.h b/xf86drm.h
index 76eb94e..5ecb284 100644
--- a/xf86drm.h
+++ b/xf86drm.h
@@ -727,6 +727,9 @@ extern int drmHandleEvent(int fd, drmEventContextPtr evctx);
extern char *drmGetDeviceNameFromFd(int fd);
+extern int drmPrimeHandleToFD(int fd, uint32_t handle, uint32_t flags, int *prime_fd);
+extern int drmPrimeFDToHandle(int fd, int prime_fd, uint32_t *handle);
+
#if defined(__cplusplus) || defined(c_plusplus)
}
#endif

8
libdrm.spec
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@ -3,7 +3,7 @@
Summary: Direct Rendering Manager runtime library Summary: Direct Rendering Manager runtime library
Name: libdrm Name: libdrm
Version: 2.4.37 Version: 2.4.37
Release: 2%{?dist} Release: 3%{?dist}
License: MIT License: MIT
Group: System Environment/Libraries Group: System Environment/Libraries
URL: http://dri.sourceforge.net URL: http://dri.sourceforge.net
@ -34,6 +34,8 @@ Patch4: libdrm-2.4.0-no-bc.patch
Patch5: libdrm-2.4.25-check-programs.patch Patch5: libdrm-2.4.25-check-programs.patch
# backport from upstream # backport from upstream
Patch6: libdrm-2.4.37-i915-hush.patch Patch6: libdrm-2.4.37-i915-hush.patch
# backport from upstream
Patch7: libdrm-2.4.37-prime.patch
%description %description
Direct Rendering Manager runtime library Direct Rendering Manager runtime library
@ -62,6 +64,7 @@ Utility programs for the kernel DRM interface. Will void your warranty.
%patch4 -p1 -b .no-bc %patch4 -p1 -b .no-bc
%patch5 -p1 -b .check %patch5 -p1 -b .check
%patch6 -p1 -b .hush %patch6 -p1 -b .hush
%patch7 -p1 -b .prime
%build %build
autoreconf -v --install || exit 1 autoreconf -v --install || exit 1
@ -182,6 +185,9 @@ done
%{_libdir}/pkgconfig/libdrm_nouveau.pc %{_libdir}/pkgconfig/libdrm_nouveau.pc
%changelog %changelog
* Wed Jul 25 2012 Dave Airlie <airlied@redhat.com> 2.4.37-3
- add libdrm prime support for core, intel, nouveau
* Mon Jul 23 2012 Adam Jackson <ajax@redhat.com> 2.4.37-2 * Mon Jul 23 2012 Adam Jackson <ajax@redhat.com> 2.4.37-2
- libdrm-2.4.37-i915-hush.patch: Silence an excessive error message - libdrm-2.4.37-i915-hush.patch: Silence an excessive error message