[PATCH 08/15] drm/i810: drop device_is_agp callback

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Use the same trick we used for i915 when we still had ums support:
Just initialize the agp support unconditionally in the driver load
function.

Unfortunately that means we need to export drm_agp_init again, but I
think that's a lesser evil.

Signed-off-by: Daniel Vetter <daniel.vetter@xxxxxxxxx>
---
 drivers/gpu/drm/drm_agpsupport.c |  2 ++
 drivers/gpu/drm/i810/i810_dma.c  | 24 ++++++++----------------
 drivers/gpu/drm/i810/i810_drv.c  |  1 -
 drivers/gpu/drm/i810/i810_drv.h  |  1 -
 4 files changed, 10 insertions(+), 18 deletions(-)

diff --git a/drivers/gpu/drm/drm_agpsupport.c b/drivers/gpu/drm/drm_agpsupport.c
index d621c8a4cf00..c89953449e96 100644
--- a/drivers/gpu/drm/drm_agpsupport.c
+++ b/drivers/gpu/drm/drm_agpsupport.c
@@ -421,6 +421,8 @@ struct drm_agp_head *drm_agp_init(struct drm_device *dev)
 	head->base = head->agp_info.aper_base;
 	return head;
 }
+/* Only exported for i810.ko */
+EXPORT_SYMBOL(drm_agp_init);
 
 /**
  * drm_legacy_agp_clear - Clear AGP resource list
diff --git a/drivers/gpu/drm/i810/i810_dma.c b/drivers/gpu/drm/i810/i810_dma.c
index ab4e6cbe1f8b..576a417690d4 100644
--- a/drivers/gpu/drm/i810/i810_dma.c
+++ b/drivers/gpu/drm/i810/i810_dma.c
@@ -1190,6 +1190,14 @@ static int i810_flip_bufs(struct drm_device *dev, void *data,
 
 int i810_driver_load(struct drm_device *dev, unsigned long flags)
 {
+	dev->agp = drm_agp_init(dev);
+	if (dev->agp) {
+		dev->agp->agp_mtrr = arch_phys_wc_add(
+			dev->agp->agp_info.aper_base,
+			dev->agp->agp_info.aper_size *
+			1024 * 1024);
+	}
+
 	/* Our userspace depends upon the agp mapping support. */
 	if (!dev->agp)
 		return -EINVAL;
@@ -1249,19 +1257,3 @@ const struct drm_ioctl_desc i810_ioctls[] = {
 };
 
 int i810_max_ioctl = ARRAY_SIZE(i810_ioctls);
-
-/**
- * Determine if the device really is AGP or not.
- *
- * All Intel graphics chipsets are treated as AGP, even if they are really
- * PCI-e.
- *
- * \param dev   The device to be tested.
- *
- * \returns
- * A value of 1 is always retured to indictate every i810 is AGP.
- */
-int i810_driver_device_is_agp(struct drm_device *dev)
-{
-	return 1;
-}
diff --git a/drivers/gpu/drm/i810/i810_drv.c b/drivers/gpu/drm/i810/i810_drv.c
index 02504a7cfaf2..37fd0906f807 100644
--- a/drivers/gpu/drm/i810/i810_drv.c
+++ b/drivers/gpu/drm/i810/i810_drv.c
@@ -60,7 +60,6 @@ static struct drm_driver driver = {
 	.lastclose = i810_driver_lastclose,
 	.preclose = i810_driver_preclose,
 	.set_busid = drm_pci_set_busid,
-	.device_is_agp = i810_driver_device_is_agp,
 	.dma_quiescent = i810_driver_dma_quiescent,
 	.ioctls = i810_ioctls,
 	.fops = &i810_driver_fops,
diff --git a/drivers/gpu/drm/i810/i810_drv.h b/drivers/gpu/drm/i810/i810_drv.h
index 93ec5dc4e7d3..c73d2f2da57b 100644
--- a/drivers/gpu/drm/i810/i810_drv.h
+++ b/drivers/gpu/drm/i810/i810_drv.h
@@ -124,7 +124,6 @@ extern int i810_driver_load(struct drm_device *, unsigned long flags);
 extern void i810_driver_lastclose(struct drm_device *dev);
 extern void i810_driver_preclose(struct drm_device *dev,
 				 struct drm_file *file_priv);
-extern int i810_driver_device_is_agp(struct drm_device *dev);
 
 extern long i810_ioctl(struct file *file, unsigned int cmd, unsigned long arg);
 extern const struct drm_ioctl_desc i810_ioctls[];
-- 
2.11.0

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