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- add gtt mapping for intel modesetting

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This commit is contained in:
Dave Airlie 2008-09-09 06:44:16 +00:00
parent cea73d9741
commit a5d4dec6cd
2 changed files with 269 additions and 1 deletions
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261
libdrm-gtt-map-support-3.patch Normal file
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@ -0,0 +1,261 @@
diff --git a/libdrm/intel/intel_bufmgr.h b/libdrm/intel/intel_bufmgr.h
index 4d33521..59def00 100644
--- a/libdrm/intel/intel_bufmgr.h
+++ b/libdrm/intel/intel_bufmgr.h
@@ -126,5 +126,7 @@ int intel_bo_set_tiling(dri_bo *buf, uint32_t *tiling_mode);
int intel_bo_flink(dri_bo *buf, uint32_t *name);
+int dri_gem_bo_map_gtt(dri_bo *bo);
+
#endif /* INTEL_BUFMGR_GEM_H */
diff --git a/libdrm/intel/intel_bufmgr_gem.c b/libdrm/intel/intel_bufmgr_gem.c
index af20efb..ba49b24 100644
--- a/libdrm/intel/intel_bufmgr_gem.c
+++ b/libdrm/intel/intel_bufmgr_gem.c
@@ -35,6 +35,7 @@
*/
#include <xf86drm.h>
+#include <fcntl.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
@@ -42,6 +43,8 @@
#include <assert.h>
#include <sys/ioctl.h>
#include <sys/mman.h>
+#include <sys/stat.h>
+#include <sys/types.h>
#include "errno.h"
#include "dri_bufmgr.h"
@@ -370,6 +373,7 @@ intel_bo_gem_create_from_name(dri_bufmgr *bufmgr, const char *name,
bo_gem->refcount = 1;
bo_gem->validate_index = -1;
bo_gem->gem_handle = open_arg.handle;
+ bo_gem->bo.handle = bo_gem->gem_handle;
DBG("bo_create_from_handle: %d (%s)\n", handle, bo_gem->name);
@@ -517,6 +521,90 @@ dri_gem_bo_map(dri_bo *bo, int write_enable)
return 0;
}
+int
+dri_gem_bo_map_gtt(dri_bo *bo)
+{
+ dri_bufmgr_gem *bufmgr_gem;
+ dri_bo_gem *bo_gem = (dri_bo_gem *)bo;
+ struct drm_i915_gem_set_domain set_domain;
+ int ret;
+ int fd;
+
+ bufmgr_gem = (dri_bufmgr_gem *)bo->bufmgr;
+
+ /* Allow recursive mapping. Mesa may recursively map buffers with
+ * nested display loops.
+ */
+ if (!bo_gem->mapped) {
+
+ assert(bo->virtual == NULL);
+
+ DBG("bo_map_gtt: %d (%s)\n", bo_gem->gem_handle, bo_gem->name);
+
+ if (bo_gem->virtual == NULL) {
+ struct drm_i915_gem_mmap_gtt mmap_arg;
+
+ memset(&mmap_arg, 0, sizeof(mmap_arg));
+ mmap_arg.handle = bo_gem->gem_handle;
+ mmap_arg.offset = 0;
+ mmap_arg.size = bo->size;
+ ret = ioctl(bufmgr_gem->fd, DRM_IOCTL_I915_GEM_MMAP_GTT,
+ &mmap_arg);
+ if (ret != 0) {
+ fprintf(stderr,
+ "%s:%d: Error mapping buffer %d (%s): %s .\n",
+ __FILE__, __LINE__,
+ bo_gem->gem_handle, bo_gem->name,
+ strerror(errno));
+ return ret;
+ }
+ bo_gem->virtual = (void *)(uintptr_t)mmap_arg.addr_ptr;
+ }
+#if 0
+ if (bo_gem->virtual == NULL) {
+ fd = open("/sys/devices/pci0000:00/0000:00:02.0/resource2_wc",
+ O_RDWR);
+ if (fd == -1) {
+ fprintf(stderr, "failed to open GTT: %s\n",
+ strerror(errno));
+ return errno;
+ }
+
+ bo_gem->virtual = mmap(NULL, bo->size, PROT_READ | PROT_WRITE,
+ MAP_SHARED, fd, bo->offset);
+ if (bo_gem->virtual == MAP_FAILED) {
+ fprintf(stderr, "failed to map GTT: %s\n",
+ strerror(errno));
+ return errno;
+ }
+ close(fd);
+ }
+#endif
+ bo->virtual = bo_gem->virtual;
+ bo_gem->swrast = 0;
+ bo_gem->mapped = 1;
+ DBG("bo_map: %d (%s) -> %p\n", bo_gem->gem_handle, bo_gem->name,
+ bo_gem->virtual);
+ }
+
+ if (!bo_gem->swrast) {
+ set_domain.handle = bo_gem->gem_handle;
+ set_domain.read_domains = I915_GEM_DOMAIN_GTT;
+ set_domain.write_domain = I915_GEM_DOMAIN_GTT;
+ do {
+ ret = ioctl(bufmgr_gem->fd, DRM_IOCTL_I915_GEM_SET_DOMAIN,
+ &set_domain);
+ } while (ret == -1 && errno == EINTR);
+ if (ret != 0) {
+ fprintf (stderr, "%s:%d: Error setting swrast %d: %s\n",
+ __FILE__, __LINE__, bo_gem->gem_handle, strerror (errno));
+ }
+ bo_gem->swrast = 1;
+ }
+
+ return 0;
+}
+
static int
dri_gem_bo_unmap(dri_bo *bo)
{
@@ -593,7 +681,7 @@ dri_gem_bo_get_subdata (dri_bo *bo, unsigned long offset,
return 0;
}
-static void
+void
dri_gem_bo_wait_rendering(dri_bo *bo)
{
dri_bufmgr_gem *bufmgr_gem = (dri_bufmgr_gem *)bo->bufmgr;
diff -up libdrm-20080814/shared-core/i915_drm.h.da libdrm-20080814/shared-core/i915_drm.h
--- libdrm-20080814/shared-core/i915_drm.h.da 2008-09-09 16:43:43.000000000 +1000
+++ libdrm-20080814/shared-core/i915_drm.h 2008-09-09 16:43:45.000000000 +1000
@@ -99,7 +99,7 @@ typedef struct drm_i915_sarea {
int tex_size;
int log_tex_granularity;
int pitch;
- int rotation; /* 0, 90, 180 or 270 */
+ int rotation; /* 0, 90, 180 or 270 */
int rotated_offset;
int rotated_size;
int rotated_pitch;
@@ -149,8 +149,8 @@ typedef struct drm_i915_sarea {
/* Flags for perf_boxes
*/
#define I915_BOX_RING_EMPTY 0x1
-#define I915_BOX_FLIP 0x2
-#define I915_BOX_WAIT 0x4
+#define I915_BOX_FLIP 0x2
+#define I915_BOX_WAIT 0x4
#define I915_BOX_TEXTURE_LOAD 0x8
#define I915_BOX_LOST_CONTEXT 0x10
@@ -192,24 +192,25 @@ typedef struct drm_i915_sarea {
#define DRM_I915_GEM_SW_FINISH 0x20
#define DRM_I915_GEM_SET_TILING 0x21
#define DRM_I915_GEM_GET_TILING 0x22
+#define DRM_I915_GEM_MMAP_GTT 0x23
#define DRM_IOCTL_I915_INIT DRM_IOW( DRM_COMMAND_BASE + DRM_I915_INIT, drm_i915_init_t)
#define DRM_IOCTL_I915_FLUSH DRM_IO ( DRM_COMMAND_BASE + DRM_I915_FLUSH)
#define DRM_IOCTL_I915_FLIP DRM_IOW( DRM_COMMAND_BASE + DRM_I915_FLIP, drm_i915_flip_t)
#define DRM_IOCTL_I915_BATCHBUFFER DRM_IOW( DRM_COMMAND_BASE + DRM_I915_BATCHBUFFER, drm_i915_batchbuffer_t)
-#define DRM_IOCTL_I915_IRQ_EMIT DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_IRQ_EMIT, drm_i915_irq_emit_t)
-#define DRM_IOCTL_I915_IRQ_WAIT DRM_IOW( DRM_COMMAND_BASE + DRM_I915_IRQ_WAIT, drm_i915_irq_wait_t)
-#define DRM_IOCTL_I915_GETPARAM DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_GETPARAM, drm_i915_getparam_t)
-#define DRM_IOCTL_I915_SETPARAM DRM_IOW( DRM_COMMAND_BASE + DRM_I915_SETPARAM, drm_i915_setparam_t)
-#define DRM_IOCTL_I915_ALLOC DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_ALLOC, drm_i915_mem_alloc_t)
-#define DRM_IOCTL_I915_FREE DRM_IOW( DRM_COMMAND_BASE + DRM_I915_FREE, drm_i915_mem_free_t)
-#define DRM_IOCTL_I915_INIT_HEAP DRM_IOW( DRM_COMMAND_BASE + DRM_I915_INIT_HEAP, drm_i915_mem_init_heap_t)
+#define DRM_IOCTL_I915_IRQ_EMIT DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_IRQ_EMIT, drm_i915_irq_emit_t)
+#define DRM_IOCTL_I915_IRQ_WAIT DRM_IOW( DRM_COMMAND_BASE + DRM_I915_IRQ_WAIT, drm_i915_irq_wait_t)
+#define DRM_IOCTL_I915_GETPARAM DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_GETPARAM, drm_i915_getparam_t)
+#define DRM_IOCTL_I915_SETPARAM DRM_IOW( DRM_COMMAND_BASE + DRM_I915_SETPARAM, drm_i915_setparam_t)
+#define DRM_IOCTL_I915_ALLOC DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_ALLOC, drm_i915_mem_alloc_t)
+#define DRM_IOCTL_I915_FREE DRM_IOW( DRM_COMMAND_BASE + DRM_I915_FREE, drm_i915_mem_free_t)
+#define DRM_IOCTL_I915_INIT_HEAP DRM_IOW( DRM_COMMAND_BASE + DRM_I915_INIT_HEAP, drm_i915_mem_init_heap_t)
#define DRM_IOCTL_I915_CMDBUFFER DRM_IOW( DRM_COMMAND_BASE + DRM_I915_CMDBUFFER, drm_i915_cmdbuffer_t)
#define DRM_IOCTL_I915_DESTROY_HEAP DRM_IOW( DRM_COMMAND_BASE + DRM_I915_DESTROY_HEAP, drm_i915_mem_destroy_heap_t)
#define DRM_IOCTL_I915_SET_VBLANK_PIPE DRM_IOW( DRM_COMMAND_BASE + DRM_I915_SET_VBLANK_PIPE, drm_i915_vblank_pipe_t)
#define DRM_IOCTL_I915_GET_VBLANK_PIPE DRM_IOR( DRM_COMMAND_BASE + DRM_I915_GET_VBLANK_PIPE, drm_i915_vblank_pipe_t)
#define DRM_IOCTL_I915_VBLANK_SWAP DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_VBLANK_SWAP, drm_i915_vblank_swap_t)
-#define DRM_IOCTL_I915_MMIO DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_MMIO, drm_i915_mmio)
+#define DRM_IOCTL_I915_MMIO DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_MMIO, drm_i915_mmio)
#define DRM_IOCTL_I915_EXECBUFFER DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_EXECBUFFER, struct drm_i915_execbuffer)
#define DRM_IOCTL_I915_GEM_INIT DRM_IOW(DRM_COMMAND_BASE + DRM_I915_GEM_INIT, struct drm_i915_gem_init)
#define DRM_IOCTL_I915_GEM_EXECBUFFER DRM_IOW(DRM_COMMAND_BASE + DRM_I915_GEM_EXECBUFFER, struct drm_i915_gem_execbuffer)
@@ -223,6 +224,7 @@ typedef struct drm_i915_sarea {
#define DRM_IOCTL_I915_GEM_PREAD DRM_IOW (DRM_COMMAND_BASE + DRM_I915_GEM_PREAD, struct drm_i915_gem_pread)
#define DRM_IOCTL_I915_GEM_PWRITE DRM_IOW (DRM_COMMAND_BASE + DRM_I915_GEM_PWRITE, struct drm_i915_gem_pwrite)
#define DRM_IOCTL_I915_GEM_MMAP DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_GEM_MMAP, struct drm_i915_gem_mmap)
+#define DRM_IOCTL_I915_GEM_MMAP_GTT DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_GEM_MMAP_GTT, struct drm_i915_gem_mmap_gtt)
#define DRM_IOCTL_I915_GEM_SET_DOMAIN DRM_IOW (DRM_COMMAND_BASE + DRM_I915_GEM_SET_DOMAIN, struct drm_i915_gem_set_domain)
#define DRM_IOCTL_I915_GEM_SW_FINISH DRM_IOW (DRM_COMMAND_BASE + DRM_I915_GEM_SW_FINISH, struct drm_i915_gem_sw_finish)
#define DRM_IOCTL_I915_GEM_SET_TILING DRM_IOWR (DRM_COMMAND_BASE + DRM_I915_GEM_SET_TILING, struct drm_i915_gem_set_tiling)
@@ -276,11 +278,11 @@ typedef struct drm_i915_irq_wait {
/* Ioctl to query kernel params:
*/
-#define I915_PARAM_IRQ_ACTIVE 1
+#define I915_PARAM_IRQ_ACTIVE 1
#define I915_PARAM_ALLOW_BATCHBUFFER 2
-#define I915_PARAM_LAST_DISPATCH 3
-#define I915_PARAM_CHIPSET_ID 4
-#define I915_PARAM_HAS_GEM 5
+#define I915_PARAM_LAST_DISPATCH 3
+#define I915_PARAM_CHIPSET_ID 4
+#define I915_PARAM_HAS_GEM 5
typedef struct drm_i915_getparam {
int param;
@@ -289,9 +291,9 @@ typedef struct drm_i915_getparam {
/* Ioctl to set kernel params:
*/
-#define I915_SETPARAM_USE_MI_BATCHBUFFER_START 1
-#define I915_SETPARAM_TEX_LRU_LOG_GRANULARITY 2
-#define I915_SETPARAM_ALLOW_BATCHBUFFER 3
+#define I915_SETPARAM_USE_MI_BATCHBUFFER_START 1
+#define I915_SETPARAM_TEX_LRU_LOG_GRANULARITY 2
+#define I915_SETPARAM_ALLOW_BATCHBUFFER 3
typedef struct drm_i915_setparam {
int param;
@@ -460,6 +462,25 @@ struct drm_i915_gem_set_domain {
uint32_t write_domain;
};
+struct drm_i915_gem_mmap_gtt {
+ /** Handle for the object being mapped. */
+ uint32_t handle;
+ uint32_t pad;
+ /** Offset in the object to map. */
+ uint64_t offset;
+ /**
+ * Length of data to map.
+ *
+ * The value will be page-aligned.
+ */
+ uint64_t size;
+ /** Returned pointer the data was mapped at */
+ uint64_t addr_ptr; /* void *, but pointers are not 32/64 compatible
+ */
+ uint32_t flags;
+};
+
+
struct drm_i915_gem_sw_finish {
/** Handle for the object */
uint32_t handle;

9
libdrm.spec
View File

@ -3,7 +3,7 @@
Summary: Direct Rendering Manager runtime library
Name: libdrm
Version: 2.4.0
Release: 0.19%{?dist}
Release: 0.20%{?dist}
License: MIT
Group: System Environment/Libraries
URL: http://dri.sourceforge.net
@ -14,6 +14,8 @@ BuildRoot: %{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id_u} -n)
BuildRequires: pkgconfig automake autoconf libtool
BuildRequires: kernel-headers >= 2.6.27-0.317.rc5.git10.fc10
Source2: 91-drm-modeset.rules
Source3: i915modeset
@ -24,6 +26,7 @@ Patch2: libdrm-2.4.0-no-freaking-mknod.patch
Patch3: libdrm-make-dri-perms-okay.patch
Patch4: libdrm-2.4.0-no-bc.patch
Patch5: libdrm-wait-udev.patch
Patch6: libdrm-gtt-map-support-3.patch
%description
Direct Rendering Manager runtime library
@ -43,6 +46,7 @@ Direct Rendering Manager development package
%patch3 -p1 -b .forceperms
%patch4 -p1 -b .no-bc
%patch5 -p1 -b .udev-wait
%patch6 -p1 -b .gttmap
%build
autoreconf -v --install || exit 1
@ -91,6 +95,9 @@ rm -rf $RPM_BUILD_ROOT
%{_libdir}/pkgconfig/libdrm.pc
%changelog
* Tue Sep 09 2008 Dave Airlie <airlied@redhat.com> 2.4.0-0.20
- add gtt mapping for intel modesetting
* Thu Aug 14 2008 Dave Airlie <airlied@redhat.com> 2.4.0-0.19
- add back modesetting support - this is a snapshot from modesetting-gem
- any bugs are in the other packages that fail to build