From ecb04e265ac6a94035572ee8b6eab54d0cbd0a83 Mon Sep 17 00:00:00 2001
From: David Miller <davem@davemloft.net>
Date: Sat, 14 Feb 2009 01:51:07 -0800
Subject: [PATCH] --- yaml --- r: 138951 b: refs/heads/master c:
 6abf6bb0ff90bb77f9429bd0d90fc841c358daf3 h: refs/heads/master i:   138949:
 8a64ced8b4572dd456a342dfcbfb8eaf1ca616ee   138947:
 4bbcd9db30eb1ad0542ac5569103686954efeeaa   138943:
 8c7be629198e92407bc5e409d164df3d6a1dae51 v: v3

---
 [refs]                                      |  2 +-
 trunk/drivers/gpu/drm/radeon/radeon_cp.c    | 58 ++++++++++++++++++++-
 trunk/drivers/gpu/drm/radeon/radeon_drv.h   |  1 +
 trunk/drivers/gpu/drm/radeon/radeon_state.c |  1 +
 4 files changed, 60 insertions(+), 2 deletions(-)

diff --git a/[refs] b/[refs]
index 74089283fb99..335e4afea244 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: e8a894372b4ea05dc266ba7d7a7634315b6230e8
+refs/heads/master: 6abf6bb0ff90bb77f9429bd0d90fc841c358daf3
diff --git a/trunk/drivers/gpu/drm/radeon/radeon_cp.c b/trunk/drivers/gpu/drm/radeon/radeon_cp.c
index 4a56e7d626a6..a18b3688a7f0 100644
--- a/trunk/drivers/gpu/drm/radeon/radeon_cp.c
+++ b/trunk/drivers/gpu/drm/radeon/radeon_cp.c
@@ -919,6 +919,46 @@ static void radeon_set_pcigart(drm_radeon_private_t * dev_priv, int on)
 	}
 }
 
+static int radeon_setup_pcigart_surface(drm_radeon_private_t *dev_priv)
+{
+	struct drm_ati_pcigart_info *gart_info = &dev_priv->gart_info;
+	struct radeon_virt_surface *vp;
+	int i;
+
+	for (i = 0; i < RADEON_MAX_SURFACES * 2; i++) {
+		if (!dev_priv->virt_surfaces[i].file_priv ||
+		    dev_priv->virt_surfaces[i].file_priv == PCIGART_FILE_PRIV)
+			break;
+	}
+	if (i >= 2 * RADEON_MAX_SURFACES)
+		return -ENOMEM;
+	vp = &dev_priv->virt_surfaces[i];
+
+	for (i = 0; i < RADEON_MAX_SURFACES; i++) {
+		struct radeon_surface *sp = &dev_priv->surfaces[i];
+		if (sp->refcount)
+			continue;
+
+		vp->surface_index = i;
+		vp->lower = gart_info->bus_addr;
+		vp->upper = vp->lower + gart_info->table_size;
+		vp->flags = 0;
+		vp->file_priv = PCIGART_FILE_PRIV;
+
+		sp->refcount = 1;
+		sp->lower = vp->lower;
+		sp->upper = vp->upper;
+		sp->flags = 0;
+
+		RADEON_WRITE(RADEON_SURFACE0_INFO + 16 * i, sp->flags);
+		RADEON_WRITE(RADEON_SURFACE0_LOWER_BOUND + 16 * i, sp->lower);
+		RADEON_WRITE(RADEON_SURFACE0_UPPER_BOUND + 16 * i, sp->upper);
+		return 0;
+	}
+
+	return -ENOMEM;
+}
+
 static int radeon_do_init_cp(struct drm_device *dev, drm_radeon_init_t *init,
 			     struct drm_file *file_priv)
 {
@@ -1212,6 +1252,9 @@ static int radeon_do_init_cp(struct drm_device *dev, drm_radeon_init_t *init,
 	} else
 #endif
 	{
+		u32 sctrl;
+		int ret;
+
 		dev_priv->gart_info.table_mask = DMA_BIT_MASK(32);
 		/* if we have an offset set from userspace */
 		if (dev_priv->pcigart_offset_set) {
@@ -1253,12 +1296,25 @@ static int radeon_do_init_cp(struct drm_device *dev, drm_radeon_init_t *init,
 			}
 		}
 
-		if (!drm_ati_pcigart_init(dev, &dev_priv->gart_info)) {
+		sctrl = RADEON_READ(RADEON_SURFACE_CNTL);
+		RADEON_WRITE(RADEON_SURFACE_CNTL, 0);
+		ret = drm_ati_pcigart_init(dev, &dev_priv->gart_info);
+		RADEON_WRITE(RADEON_SURFACE_CNTL, sctrl);
+
+		if (!ret) {
 			DRM_ERROR("failed to init PCI GART!\n");
 			radeon_do_cleanup_cp(dev);
 			return -ENOMEM;
 		}
 
+		ret = radeon_setup_pcigart_surface(dev_priv);
+		if (ret) {
+			DRM_ERROR("failed to setup GART surface!\n");
+			drm_ati_pcigart_cleanup(dev, &dev_priv->gart_info);
+			radeon_do_cleanup_cp(dev);
+			return ret;
+		}
+
 		/* Turn on PCI GART */
 		radeon_set_pcigart(dev_priv, 1);
 	}
diff --git a/trunk/drivers/gpu/drm/radeon/radeon_drv.h b/trunk/drivers/gpu/drm/radeon/radeon_drv.h
index 9b60a268dc7a..ecfd414bb99c 100644
--- a/trunk/drivers/gpu/drm/radeon/radeon_drv.h
+++ b/trunk/drivers/gpu/drm/radeon/radeon_drv.h
@@ -217,6 +217,7 @@ struct radeon_virt_surface {
 	u32 upper;
 	u32 flags;
 	struct drm_file *file_priv;
+#define PCIGART_FILE_PRIV	((void *) -1L)
 };
 
 #define RADEON_FLUSH_EMITED	(1 << 0)
diff --git a/trunk/drivers/gpu/drm/radeon/radeon_state.c b/trunk/drivers/gpu/drm/radeon/radeon_state.c
index 03fea43dae75..043293ae6e48 100644
--- a/trunk/drivers/gpu/drm/radeon/radeon_state.c
+++ b/trunk/drivers/gpu/drm/radeon/radeon_state.c
@@ -3155,6 +3155,7 @@ void radeon_driver_preclose(struct drm_device *dev, struct drm_file *file_priv)
 
 void radeon_driver_lastclose(struct drm_device *dev)
 {
+	radeon_surfaces_release(PCIGART_FILE_PRIV, dev->dev_private);
 	radeon_do_release(dev);
 }