intel: don't count fences on 965 and later, as they don't use them.

3 files changed, 88 insertions, 4 deletions

diff --git a/libdrm/intel/Makefile.am b/libdrm/intel/Makefile.am
index 5e3dee06..c7526f6a 100644
--- a/libdrm/intel/Makefile.am
+++ b/libdrm/intel/Makefile.am
@@ -39,6 +39,7 @@ libdrm_intel_la_SOURCES = \
 	intel_bufmgr_priv.h \
 	intel_bufmgr_fake.c \
 	intel_bufmgr_gem.c \
+	intel_chipset.h \
 	mm.c \
 	mm.h
 
diff --git a/libdrm/intel/intel_bufmgr_gem.c b/libdrm/intel/intel_bufmgr_gem.c
index 765d9033..f578a679 100644
--- a/libdrm/intel/intel_bufmgr_gem.c
+++ b/libdrm/intel/intel_bufmgr_gem.c
@@ -54,6 +54,7 @@
 #include "errno.h"
 #include "intel_bufmgr.h"
 #include "intel_bufmgr_priv.h"
+#include "intel_chipset.h"
 #include "string.h"
 
 #include "i915_drm.h"
@@ -100,6 +101,7 @@ typedef struct _drm_intel_bufmgr_gem {
 
     uint64_t gtt_size;
     int available_fences;
+    int pci_device;
 } drm_intel_bufmgr_gem;
 
 struct _drm_intel_bo_gem {
@@ -1311,13 +1313,23 @@ drm_intel_bufmgr_gem_init(int fd, int batch_size)
 		(int)bufmgr_gem->gtt_size / 1024);
     }
 
-    gp.param = I915_PARAM_NUM_FENCES_AVAIL;
-    gp.value = &bufmgr_gem->available_fences;
+    gp.param = I915_PARAM_CHIPSET_ID;
+    gp.value = &bufmgr_gem->pci_device;
     ret = ioctl(bufmgr_gem->fd, DRM_IOCTL_I915_GETPARAM, &gp);
     if (ret) {
-	fprintf(stderr, "get fences failed: %d\n", ret);
+	fprintf(stderr, "get chip id failed: %d\n", ret);
 	fprintf(stderr, "param: %d, val: %d\n", gp.param, *gp.value);
-	bufmgr_gem->available_fences = 0;
+    }
+
+    if (!IS_I965G(bufmgr_gem)) {
+	gp.param = I915_PARAM_NUM_FENCES_AVAIL;
+	gp.value = &bufmgr_gem->available_fences;
+	ret = ioctl(bufmgr_gem->fd, DRM_IOCTL_I915_GETPARAM, &gp);
+	if (ret) {
+	    fprintf(stderr, "get fences failed: %d\n", ret);
+	    fprintf(stderr, "param: %d, val: %d\n", gp.param, *gp.value);
+	    bufmgr_gem->available_fences = 0;
+	}
     }
 
     /* Let's go with one relocation per every 2 dwords (but round down a bit
diff --git a/libdrm/intel/intel_chipset.h b/libdrm/intel/intel_chipset.h
new file mode 100644
index 00000000..0b3af023
--- /dev/null
+++ b/libdrm/intel/intel_chipset.h
@@ -0,0 +1,71 @@
+/*
+ *
+ * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+ * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ */
+
+#ifndef _INTEL_CHIPSET_H
+#define _INTEL_CHIPSET_H
+
+#define IS_I830(dev) ((dev)->pci_device == 0x3577)
+#define IS_845G(dev) ((dev)->pci_device == 0x2562)
+#define IS_I85X(dev) ((dev)->pci_device == 0x3582)
+#define IS_I855(dev) ((dev)->pci_device == 0x3582)
+#define IS_I865G(dev) ((dev)->pci_device == 0x2572)
+
+#define IS_I915G(dev) ((dev)->pci_device == 0x2582 || (dev)->pci_device == 0x258a)
+#define IS_I915GM(dev) ((dev)->pci_device == 0x2592)
+#define IS_I945G(dev) ((dev)->pci_device == 0x2772)
+#define IS_I945GM(dev) ((dev)->pci_device == 0x27A2 ||\
+                        (dev)->pci_device == 0x27AE)
+#define IS_I965G(dev) ((dev)->pci_device == 0x2972 || \
+                       (dev)->pci_device == 0x2982 || \
+                       (dev)->pci_device == 0x2992 || \
+                       (dev)->pci_device == 0x29A2 || \
+                       (dev)->pci_device == 0x2A02 || \
+                       (dev)->pci_device == 0x2A12 || \
+                       (dev)->pci_device == 0x2A42 || \
+                       (dev)->pci_device == 0x2E02 || \
+                       (dev)->pci_device == 0x2E12 || \
+                       (dev)->pci_device == 0x2E22)
+
+#define IS_I965GM(dev) ((dev)->pci_device == 0x2A02)
+
+#define IS_GM45(dev) ((dev)->pci_device == 0x2A42)
+
+#define IS_G4X(dev) ((dev)->pci_device == 0x2E02 || \
+                     (dev)->pci_device == 0x2E12 || \
+                     (dev)->pci_device == 0x2E22)
+
+#define IS_G33(dev)    ((dev)->pci_device == 0x29C2 ||  \
+                        (dev)->pci_device == 0x29B2 ||  \
+                        (dev)->pci_device == 0x29D2)
+
+#define IS_I9XX(dev) (IS_I915G(dev) || IS_I915GM(dev) || IS_I945G(dev) || \
+                      IS_I945GM(dev) || IS_I965G(dev) || IS_G33(dev))
+
+#define IS_MOBILE(dev) (IS_I830(dev) || IS_I85X(dev) || IS_I915GM(dev) || \
+                        IS_I945GM(dev) || IS_I965GM(dev) || IS_GM45(dev))
+
+#endif /* _INTEL_CHIPSET_H */