r600g: first step into winsys/radeon

Reviewed-by: Alex Deucher <[email protected]>

21 files changed, 92 insertions, 73 deletions

diff --git a/src/gallium/drivers/r600/r600_pipe.c b/src/gallium/drivers/r600/r600_pipe.c
index 461f59439e8..6181e8b3202 100644
--- a/src/gallium/drivers/r600/r600_pipe.c
+++ b/src/gallium/drivers/r600/r600_pipe.c
@@ -47,6 +47,7 @@
 #include "r600_resource.h"
 #include "r600_shader.h"
 #include "r600_pipe.h"
+#include "../../winsys/r600/drm/r600_drm_public.h"
 
 /*
  * pipe_context
@@ -563,9 +564,10 @@ static boolean r600_fence_finish(struct pipe_screen *pscreen,
 	return TRUE;
 }
 
-struct pipe_screen *r600_screen_create(struct radeon *radeon)
+struct pipe_screen *r600_screen_create(struct radeon_winsys *rw)
 {
 	struct r600_screen *rscreen;
+	struct radeon *radeon = r600_drm_winsys_create(rw);
 
 	rscreen = CALLOC_STRUCT(r600_screen);
 	if (rscreen == NULL) {
diff --git a/src/gallium/drivers/r600/r600_pipe.h b/src/gallium/drivers/r600/r600_pipe.h
index 6f399ed43b0..c53a191594b 100644
--- a/src/gallium/drivers/r600/r600_pipe.h
+++ b/src/gallium/drivers/r600/r600_pipe.h
@@ -26,6 +26,8 @@
 #ifndef R600_PIPE_H
 #define R600_PIPE_H
 
+#include "../../winsys/radeon/drm/radeon_winsys.h"
+
 #include <pipe/p_state.h>
 #include <pipe/p_screen.h>
 #include <pipe/p_context.h>
@@ -183,7 +185,7 @@ struct r600_pipe_context {
 	struct r600_pipe_state		*states[R600_PIPE_NSTATES];
 	struct r600_context		ctx;
 	struct r600_vertex_element	*vertex_elements;
-	struct r600_pipe_resource_state		fs_resource[PIPE_MAX_ATTRIBS];
+	struct r600_pipe_resource_state	fs_resource[PIPE_MAX_ATTRIBS];
 	struct pipe_framebuffer_state	framebuffer;
 	struct pipe_index_buffer	index_buffer;
 	unsigned			cb_target_mask;
diff --git a/src/gallium/drivers/r600/r600_public.h b/src/gallium/drivers/r600/r600_public.h
index f1970201e89..1c82a7af68f 100644
--- a/src/gallium/drivers/r600/r600_public.h
+++ b/src/gallium/drivers/r600/r600_public.h
@@ -23,6 +23,8 @@
 #ifndef R600_PUBLIC_H
 #define R600_PUBLIC_H
 
-struct pipe_screen *r600_screen_create(struct radeon *radeon);
+struct radeon_winsys;
+
+struct pipe_screen *r600_screen_create(struct radeon_winsys *rw);
 
 #endif
diff --git a/src/gallium/targets/dri-r600/Makefile b/src/gallium/targets/dri-r600/Makefile
index 0c4de203d35..2d7463008fe 100644
--- a/src/gallium/targets/dri-r600/Makefile
+++ b/src/gallium/targets/dri-r600/Makefile
@@ -7,6 +7,7 @@ PIPE_DRIVERS = \
 	$(TOP)/src/gallium/drivers/r600/libr600.a \
 	$(TOP)/src/gallium/state_trackers/dri/drm/libdridrm.a \
 	$(TOP)/src/gallium/winsys/r600/drm/libr600winsys.a \
+	$(TOP)/src/gallium/winsys/radeon/drm/libradeonwinsys.a \
 	$(TOP)/src/gallium/drivers/trace/libtrace.a \
 	$(TOP)/src/gallium/drivers/rbug/librbug.a \
 	$(TOP)/src/gallium/drivers/noop/libnoop.a
diff --git a/src/gallium/targets/dri-r600/target.c b/src/gallium/targets/dri-r600/target.c
index 8753e2bab17..1b8b6816ec1 100644
--- a/src/gallium/targets/dri-r600/target.c
+++ b/src/gallium/targets/dri-r600/target.c
@@ -1,14 +1,14 @@
 #include "state_tracker/drm_driver.h"
 #include "target-helpers/inline_debug_helper.h"
-#include "r600/drm/r600_drm_public.h"
+#include "radeon/drm/radeon_drm_public.h"
 #include "r600/r600_public.h"
 
 static struct pipe_screen *create_screen(int fd)
 {
-   struct radeon *radeon;
+   struct radeon_winsys *radeon;
    struct pipe_screen *screen;
 
-   radeon = r600_drm_winsys_create(fd);
+   radeon = radeon_drm_winsys_create(fd);
    if (!radeon)
       return NULL;
 
diff --git a/src/gallium/targets/egl-static/Makefile b/src/gallium/targets/egl-static/Makefile
index 42d34b8eda1..1583ab181ea 100644
--- a/src/gallium/targets/egl-static/Makefile
+++ b/src/gallium/targets/egl-static/Makefile
@@ -117,17 +117,20 @@ endif
 
 # r300
 ifneq ($(findstring radeon/drm,$(GALLIUM_WINSYS_DIRS)),)
+ifneq ($(findstring r300,$(GALLIUM_DRIVERS_DIRS)),)
 egl_CPPFLAGS += -D_EGL_PIPE_R300=1
 egl_LIBS += \
 	$(TOP)/src/gallium/winsys/radeon/drm/libradeonwinsys.a \
 	$(TOP)/src/gallium/drivers/r300/libr300.a
 endif
+endif
 
 # r600
 ifneq ($(findstring r600/drm,$(GALLIUM_WINSYS_DIRS)),)
 egl_CPPFLAGS += -D_EGL_PIPE_R600=1
 egl_LIBS += \
 	$(TOP)/src/gallium/winsys/r600/drm/libr600winsys.a \
+	$(TOP)/src/gallium/winsys/radeon/drm/libradeonwinsys.a \
 	$(TOP)/src/gallium/drivers/r600/libr600.a
 endif
 
diff --git a/src/gallium/targets/egl-static/egl_pipe.c b/src/gallium/targets/egl-static/egl_pipe.c
index 658c532b404..f2b50bd0eab 100644
--- a/src/gallium/targets/egl-static/egl_pipe.c
+++ b/src/gallium/targets/egl-static/egl_pipe.c
@@ -42,7 +42,6 @@
 #include "radeon/drm/radeon_drm_public.h"
 #include "r300/r300_public.h"
 /* for r600 */
-#include "r600/drm/r600_drm_public.h"
 #include "r600/r600_public.h"
 /* for vmwgfx */
 #include "svga/drm/svga_drm_public.h"
@@ -141,10 +140,10 @@ static struct pipe_screen *
 pipe_r600_create_screen(int fd)
 {
 #if _EGL_PIPE_R600
-   struct radeon *rw;
+   struct radeon_winsys *rw;
    struct pipe_screen *screen;
 
-   rw = r600_drm_winsys_create(fd);
+   rw = radeon_drm_winsys_create(fd);
    if (!rw)
       return NULL;
 
diff --git a/src/gallium/targets/gbm/Makefile b/src/gallium/targets/gbm/Makefile
index faacc89f1a0..033a1acaaf9 100644
--- a/src/gallium/targets/gbm/Makefile
+++ b/src/gallium/targets/gbm/Makefile
@@ -83,6 +83,7 @@ r300_LIBS = \
 # r600 pipe driver
 r600_LIBS = \
 	$(TOP)/src/gallium/winsys/r600/drm/libr600winsys.a \
+	$(TOP)/src/gallium/winsys/radeon/drm/libradeonwinsys.a \
 	$(TOP)/src/gallium/drivers/r600/libr600.a
 
 # vmwgfx pipe driver
@@ -90,13 +91,18 @@ vmwgfx_LIBS = \
 	$(TOP)/src/gallium/winsys/svga/drm/libsvgadrm.a \
 	$(TOP)/src/gallium/drivers/svga/libsvga.a
 
+
+
 # LLVM
 ifeq ($(MESA_LLVM),1)
-pipe_LIBS += $(TOP)/src/gallium/drivers/llvmpipe/libllvmpipe.a
 pipe_SYS += $(LLVM_LIBS)
 pipe_LDFLAGS += $(LLVM_LDFLAGS)
 endif
 
+ifneq ($(findstring llvmpipe,$(GALLIUM_DRIVERS_DIRS)),)
+pipe_LIBS += $(TOP)/src/gallium/drivers/llvmpipe/libllvmpipe.a
+endif
+
 # determine the targets/sources
 pipe_TARGETS =
 pipe_SOURCES =
@@ -117,9 +123,11 @@ pipe_SOURCES += pipe_nouveau.c
 endif
 
 ifneq ($(findstring radeon/drm,$(GALLIUM_WINSYS_DIRS)),)
+ifneq ($(findstring r300,$(GALLIUM_DRIVERS_DIRS)),)
 pipe_TARGETS += $(PIPE_PREFIX)r300.so
 pipe_SOURCES += pipe_r300.c
 endif
+endif
 
 ifneq ($(findstring r600/drm,$(GALLIUM_WINSYS_DIRS)),)
 pipe_TARGETS += $(PIPE_PREFIX)r600.so
diff --git a/src/gallium/targets/gbm/pipe_r600.c b/src/gallium/targets/gbm/pipe_r600.c
index 486a6592585..9f61a51404a 100644
--- a/src/gallium/targets/gbm/pipe_r600.c
+++ b/src/gallium/targets/gbm/pipe_r600.c
@@ -1,16 +1,15 @@
-
 #include "state_tracker/drm_driver.h"
 #include "target-helpers/inline_debug_helper.h"
-#include "r600/drm/r600_drm_public.h"
+#include "radeon/drm/radeon_drm_public.h"
 #include "r600/r600_public.h"
 
 static struct pipe_screen *
 create_screen(int fd)
 {
-   struct radeon *rw;
+   struct radeon_winsys *rw;
    struct pipe_screen *screen;
 
-   rw = r600_drm_winsys_create(fd);
+   rw = radeon_drm_winsys_create(fd);
    if (!rw)
       return NULL;
 
diff --git a/src/gallium/targets/va-r600/Makefile b/src/gallium/targets/va-r600/Makefile
index 28797ad528d..d09a3aa8ad2 100644
--- a/src/gallium/targets/va-r600/Makefile
+++ b/src/gallium/targets/va-r600/Makefile
@@ -10,6 +10,7 @@ PIPE_DRIVERS = \
 	$(TOP)/src/gallium/drivers/r600/libr600.a \
 	$(TOP)/src/gallium/winsys/g3dvl/dri/libvldri.a \
         $(TOP)/src/gallium/winsys/r600/drm/libr600winsys.a \
+	$(TOP)/src/gallium/winsys/radeon/drm/libradeonwinsys.a \
 	$(TOP)/src/gallium/drivers/softpipe/libsoftpipe.a \
         $(TOP)/src/gallium/drivers/trace/libtrace.a \
 	$(TOP)/src/gallium/auxiliary/libgallium.a
diff --git a/src/gallium/targets/va-r600/target.c b/src/gallium/targets/va-r600/target.c
index 8753e2bab17..1b8b6816ec1 100644
--- a/src/gallium/targets/va-r600/target.c
+++ b/src/gallium/targets/va-r600/target.c
@@ -1,14 +1,14 @@
 #include "state_tracker/drm_driver.h"
 #include "target-helpers/inline_debug_helper.h"
-#include "r600/drm/r600_drm_public.h"
+#include "radeon/drm/radeon_drm_public.h"
 #include "r600/r600_public.h"
 
 static struct pipe_screen *create_screen(int fd)
 {
-   struct radeon *radeon;
+   struct radeon_winsys *radeon;
    struct pipe_screen *screen;
 
-   radeon = r600_drm_winsys_create(fd);
+   radeon = radeon_drm_winsys_create(fd);
    if (!radeon)
       return NULL;
 
diff --git a/src/gallium/targets/vdpau-r600/Makefile b/src/gallium/targets/vdpau-r600/Makefile
index 0fd817b8e82..c2d95af295a 100644
--- a/src/gallium/targets/vdpau-r600/Makefile
+++ b/src/gallium/targets/vdpau-r600/Makefile
@@ -7,6 +7,7 @@ PIPE_DRIVERS = \
         $(TOP)/src/gallium/drivers/r600/libr600.a \
 	$(TOP)/src/gallium/winsys/g3dvl/dri/libvldri.a \
         $(TOP)/src/gallium/winsys/r600/drm/libr600winsys.a \
+	$(TOP)/src/gallium/winsys/radeon/drm/libradeonwinsys.a \
         $(TOP)/src/gallium/drivers/trace/libtrace.a \
 	$(TOP)/src/gallium/auxiliary/libgallium.a
 
diff --git a/src/gallium/targets/vdpau-r600/target.c b/src/gallium/targets/vdpau-r600/target.c
index 8753e2bab17..1b8b6816ec1 100644
--- a/src/gallium/targets/vdpau-r600/target.c
+++ b/src/gallium/targets/vdpau-r600/target.c
@@ -1,14 +1,14 @@
 #include "state_tracker/drm_driver.h"
 #include "target-helpers/inline_debug_helper.h"
-#include "r600/drm/r600_drm_public.h"
+#include "radeon/drm/radeon_drm_public.h"
 #include "r600/r600_public.h"
 
 static struct pipe_screen *create_screen(int fd)
 {
-   struct radeon *radeon;
+   struct radeon_winsys *radeon;
    struct pipe_screen *screen;
 
-   radeon = r600_drm_winsys_create(fd);
+   radeon = radeon_drm_winsys_create(fd);
    if (!radeon)
       return NULL;
 
diff --git a/src/gallium/targets/xvmc-r600/Makefile b/src/gallium/targets/xvmc-r600/Makefile
index 0bb72f1eff9..a10a42d18ed 100644
--- a/src/gallium/targets/xvmc-r600/Makefile
+++ b/src/gallium/targets/xvmc-r600/Makefile
@@ -7,6 +7,7 @@ PIPE_DRIVERS = \
         $(TOP)/src/gallium/drivers/r600/libr600.a \
 	$(TOP)/src/gallium/winsys/g3dvl/dri/libvldri.a \
         $(TOP)/src/gallium/winsys/r600/drm/libr600winsys.a \
+	$(TOP)/src/gallium/winsys/radeon/drm/libradeonwinsys.a \
         $(TOP)/src/gallium/drivers/trace/libtrace.a \
 	$(TOP)/src/gallium/auxiliary/libgallium.a
 
diff --git a/src/gallium/targets/xvmc-r600/target.c b/src/gallium/targets/xvmc-r600/target.c
index 8753e2bab17..1b8b6816ec1 100644
--- a/src/gallium/targets/xvmc-r600/target.c
+++ b/src/gallium/targets/xvmc-r600/target.c
@@ -1,14 +1,14 @@
 #include "state_tracker/drm_driver.h"
 #include "target-helpers/inline_debug_helper.h"
-#include "r600/drm/r600_drm_public.h"
+#include "radeon/drm/radeon_drm_public.h"
 #include "r600/r600_public.h"
 
 static struct pipe_screen *create_screen(int fd)
 {
-   struct radeon *radeon;
+   struct radeon_winsys *radeon;
    struct pipe_screen *screen;
 
-   radeon = r600_drm_winsys_create(fd);
+   radeon = radeon_drm_winsys_create(fd);
    if (!radeon)
       return NULL;
 
diff --git a/src/gallium/winsys/r600/drm/r600_drm.c b/src/gallium/winsys/r600/drm/r600_drm.c
index 8aa8c3df52a..325547ab4ec 100644
--- a/src/gallium/winsys/r600/drm/r600_drm.c
+++ b/src/gallium/winsys/r600/drm/r600_drm.c
@@ -37,6 +37,7 @@
 #include "r600_drm_public.h"
 #include "xf86drm.h"
 #include "radeon_drm.h"
+#include "../../radeon/drm/radeon_winsys.h"
 
 #ifndef RADEON_INFO_TILING_CONFIG
 #define RADEON_INFO_TILING_CONFIG 0x6
@@ -98,20 +99,6 @@ unsigned r600_get_minor_version(struct radeon *radeon)
 	return radeon->minor_version;
 }
 
-
-static int radeon_get_device(struct radeon *radeon)
-{
-	struct drm_radeon_info info = {};
-	int r;
-
-	radeon->device = 0;
-	info.request = RADEON_INFO_DEVICE_ID;
-	info.value = (uintptr_t)&radeon->device;
-	r = drmCommandWriteRead(radeon->fd, DRM_RADEON_INFO, &info,
-			sizeof(struct drm_radeon_info));
-	return r;
-}
-
 static int r600_interpret_tiling(struct radeon *radeon, uint32_t tiling_config)
 {
 	switch ((tiling_config & 0xe) >> 1) {
@@ -320,39 +307,22 @@ static int handle_compare(void *key1, void *key2)
     return PTR_TO_UINT(key1) != PTR_TO_UINT(key2);
 }
 
-static struct radeon *radeon_new(int fd, unsigned device)
+static struct radeon *radeon_new(struct radeon_winsys *rw)
 {
 	struct radeon *radeon;
 	int r;
-	drmVersionPtr version;
 
 	radeon = calloc(1, sizeof(*radeon));
 	if (radeon == NULL) {
 		return NULL;
 	}
-	radeon->fd = fd;
-	radeon->device = device;
-	radeon->refcount = 1;
-
-	version = drmGetVersion(radeon->fd);
-	if (version->version_major != 2) {
-		fprintf(stderr, "%s: DRM version is %d.%d.%d but this driver is "
-			"only compatible with 2.x.x\n", __FUNCTION__,
-			version->version_major, version->version_minor,
-			version->version_patchlevel);
-		drmFreeVersion(version);
-		exit(1);
-	}
-
-	radeon->minor_version = version->version_minor;
-
-	drmFreeVersion(version);
 
-	r = radeon_get_device(radeon);
-	if (r) {
-		fprintf(stderr, "Failed to get device id\n");
-		return radeon_decref(radeon);
-	}
+	rw->query_info(rw, &radeon->info);
+	radeon->fd = radeon->info.fd;
+	radeon->device = radeon->info.pci_id;
+	radeon->num_backends = radeon->info.r600_num_backends;
+	radeon->refcount = 1;
+	radeon->minor_version = radeon->info.drm_minor;
 
 	radeon->family = radeon_family_from_device(radeon->device);
 	if (radeon->family == CHIP_UNKNOWN) {
@@ -436,9 +406,9 @@ static struct radeon *radeon_new(int fd, unsigned device)
 	return radeon;
 }
 
-struct radeon *r600_drm_winsys_create(int drmfd)
+struct radeon *r600_drm_winsys_create(struct radeon_winsys *rw)
 {
-	return radeon_new(drmfd, 0);
+	return radeon_new(rw);
 }
 
 struct radeon *radeon_decref(struct radeon *radeon)
diff --git a/src/gallium/winsys/r600/drm/r600_drm_public.h b/src/gallium/winsys/r600/drm/r600_drm_public.h
index cfce8df9c2c..1d990f91013 100644
--- a/src/gallium/winsys/r600/drm/r600_drm_public.h
+++ b/src/gallium/winsys/r600/drm/r600_drm_public.h
@@ -26,8 +26,8 @@
 #ifndef R600_DRM_PUBLIC_H
 #define R600_DRM_PUBLIC_H
 
-struct radeon;
+struct radeon_winsys;
 
-struct radeon *r600_drm_winsys_create(int drmFD);
+struct radeon *r600_drm_winsys_create(struct radeon_winsys *rw);
 
 #endif
diff --git a/src/gallium/winsys/r600/drm/r600_priv.h b/src/gallium/winsys/r600/drm/r600_priv.h
index 75115fdaed7..7630b30b5f0 100644
--- a/src/gallium/winsys/r600/drm/r600_priv.h
+++ b/src/gallium/winsys/r600/drm/r600_priv.h
@@ -35,6 +35,7 @@
 #include "util/u_hash_table.h"
 #include <os/os_thread.h>
 #include "r600.h"
+#include "../../radeon/drm/radeon_winsys.h"
 
 #define PKT_COUNT_C                     0xC000FFFF
 #define PKT_COUNT_S(x)                  (((x) & 0x3FFF) << 16)
@@ -43,6 +44,7 @@ struct r600_bomgr;
 struct r600_bo;
 
 struct radeon {
+	struct radeon_info		info;
 	int				fd;
 	int				refcount;
 	unsigned			device;
diff --git a/src/gallium/winsys/radeon/drm/radeon_drm_winsys.c b/src/gallium/winsys/radeon/drm/radeon_drm_winsys.c
index 5983e86c570..faeb66c8908 100644
--- a/src/gallium/winsys/radeon/drm/radeon_drm_winsys.c
+++ b/src/gallium/winsys/radeon/drm/radeon_drm_winsys.c
@@ -47,6 +47,9 @@
 #ifndef RADEON_INFO_WANT_CMASK
 #define RADEON_INFO_WANT_CMASK 8
 #endif
+#ifndef RADEON_INFO_NUM_BACKENDS
+#define RADEON_INFO_NUM_BACKENDS 10
+#endif
 
 /* Enable/disable feature access for one command stream.
  * If enable == TRUE, return TRUE on success.
@@ -175,6 +178,13 @@ static boolean do_winsys_init(struct radeon_drm_winsys *ws)
 #define CHIPSET(pci_id, name, family) case pci_id:
 #include "pci_ids/r300_pci_ids.h"
 #undef CHIPSET
+        ws->gen = R300;
+        break;
+
+#define CHIPSET(pci_id, name, family) case pci_id:
+#include "pci_ids/r600_pci_ids.h"
+#undef CHIPSET
+        ws->gen = R600;
         break;
 
     default:
@@ -196,15 +206,23 @@ static boolean do_winsys_init(struct radeon_drm_winsys *ws)
     ws->num_cpus = sysconf(_SC_NPROCESSORS_ONLN);
 
     /* Generation-specific queries. */
-    if (!radeon_get_drm_value(ws->fd, RADEON_INFO_NUM_GB_PIPES,
-                              "GB pipe count",
-                              &ws->info.r300_num_gb_pipes))
-        return FALSE;
+    if (ws->gen == R300) {
+        if (!radeon_get_drm_value(ws->fd, RADEON_INFO_NUM_GB_PIPES,
+                                  "GB pipe count",
+                                  &ws->info.r300_num_gb_pipes))
+            return FALSE;
 
-    if (!radeon_get_drm_value(ws->fd, RADEON_INFO_NUM_Z_PIPES,
-                              "Z pipe count",
-                              &ws->info.r300_num_z_pipes))
-        return FALSE;
+        if (!radeon_get_drm_value(ws->fd, RADEON_INFO_NUM_Z_PIPES,
+                                  "Z pipe count",
+                                  &ws->info.r300_num_z_pipes))
+            return FALSE;
+    }
+    else if (ws->gen == R600) {
+        if (!radeon_get_drm_value(ws->fd, RADEON_INFO_NUM_BACKENDS,
+                                  "num backends",
+                                  &ws->info.r600_num_backends))
+            return FALSE;
+    }
 
     return TRUE;
 }
@@ -263,6 +281,7 @@ struct radeon_winsys *radeon_drm_winsys_create(int fd)
     }
 
     ws->fd = fd;
+    ws->info.fd = fd;
 
     if (!do_winsys_init(ws))
         goto fail;
diff --git a/src/gallium/winsys/radeon/drm/radeon_drm_winsys.h b/src/gallium/winsys/radeon/drm/radeon_drm_winsys.h
index 347e1f1d11a..69216448496 100644
--- a/src/gallium/winsys/radeon/drm/radeon_drm_winsys.h
+++ b/src/gallium/winsys/radeon/drm/radeon_drm_winsys.h
@@ -33,12 +33,18 @@
 #include "radeon_winsys.h"
 #include "os/os_thread.h"
 
+enum radeon_generation {
+    R300,
+    R600
+};
+
 struct radeon_drm_winsys {
     struct radeon_winsys base;
 
     int fd; /* DRM file descriptor */
     int num_cs; /* The number of command streams created. */
 
+    enum radeon_generation gen;
     struct radeon_info info;
 
     struct pb_manager *kman;
diff --git a/src/gallium/winsys/radeon/drm/radeon_winsys.h b/src/gallium/winsys/radeon/drm/radeon_winsys.h
index 6d52dc25022..2a49e615981 100644
--- a/src/gallium/winsys/radeon/drm/radeon_winsys.h
+++ b/src/gallium/winsys/radeon/drm/radeon_winsys.h
@@ -73,6 +73,7 @@ struct radeon_info {
     uint32_t pci_id;
     uint32_t gart_size;
     uint32_t vram_size;
+    uint32_t fd; /* XXX transitional */
 
     uint32_t drm_major; /* version */
     uint32_t drm_minor;
@@ -80,6 +81,8 @@ struct radeon_info {
 
     uint32_t r300_num_gb_pipes;
     uint32_t r300_num_z_pipes;
+
+    uint32_t r600_num_backends;
 };
 
 enum radeon_feature_id {