add agp_base query to getparam

3 files changed, 11 insertions, 5 deletions

diff --git a/shared/radeon.h b/shared/radeon.h
index ff5bad97..4cb00986 100644
--- a/shared/radeon.h
+++ b/shared/radeon.h
@@ -71,6 +71,8 @@
  * 1.6 - Add static agp memory manager
  *       Add irq handler (won't be turned on unless X server knows to)
  *       Add irq ioctls and irq_active getparam.
+ *       Add wait command for cmdbuf ioctl
+ *       Add agp offset query for getparam
  */
 #define DRIVER_IOCTLS							     \
  [DRM_IOCTL_NR(DRM_IOCTL_DMA)]               = { radeon_cp_buffers,  1, 0 }, \
diff --git a/shared/radeon_drm.h b/shared/radeon_drm.h
index 8a4d8174..9a747e04 100644
--- a/shared/radeon_drm.h
+++ b/shared/radeon_drm.h
@@ -513,11 +513,12 @@ typedef struct drm_radeon_indirect {
 /* 1.3: An ioctl to get parameters that aren't available to the 3d
  * client any other way.  
  */
-#define RADEON_PARAM_AGP_BUFFER_OFFSET   1
-#define RADEON_PARAM_LAST_FRAME          2
-#define RADEON_PARAM_LAST_DISPATCH       3
-#define RADEON_PARAM_LAST_CLEAR          4
-#define RADEON_PARAM_IRQ_ACTIVE          5
+#define RADEON_PARAM_AGP_BUFFER_OFFSET     1 /* card offset of 1st agp buffer */
+#define RADEON_PARAM_LAST_FRAME            2
+#define RADEON_PARAM_LAST_DISPATCH         3
+#define RADEON_PARAM_LAST_CLEAR            4
+#define RADEON_PARAM_IRQ_ACTIVE            5
+#define RADEON_PARAM_AGP_BASE              6 /* card offset of agp base */
 
 typedef struct drm_radeon_getparam {
 	int param;
diff --git a/shared/radeon_state.c b/shared/radeon_state.c
index 5f3c8b01..218a5e85 100644
--- a/shared/radeon_state.c
+++ b/shared/radeon_state.c
@@ -2172,6 +2172,9 @@ int radeon_cp_getparam( DRM_IOCTL_ARGS )
 		dev_priv->stats.last_clear_reads++;
 		value = GET_SCRATCH( 2 );
 		break;
+	case RADEON_PARAM_AGP_BASE:
+		value = dev_priv->agp_vm_start;
+		break;
 	default:
 		return DRM_ERR(EINVAL);
 	}