8 files changed, 151 insertions, 26 deletions

diff --git a/drivers/char/drm/Kconfig b/drivers/char/drm/Kconfig
index d9a029934678..c2b12eab67c9 100644
--- a/drivers/char/drm/Kconfig
+++ b/drivers/char/drm/Kconfig
@@ -6,7 +6,7 @@
 #
 config DRM
         tristate "Direct Rendering Manager (XFree86 4.1.0 and higher DRI support)"
-        depends on AGP || AGP=n
+        depends on (AGP || AGP=n) && PCI
         help
           Kernel-level support for the Direct Rendering Infrastructure (DRI)
           introduced in XFree86 4.0. If you say Y here, you need to select
diff --git a/drivers/char/drm/i915_dma.c b/drivers/char/drm/i915_dma.c
index 7300a09dbd5c..b5903f9f1423 100644
--- a/drivers/char/drm/i915_dma.c
+++ b/drivers/char/drm/i915_dma.c
@@ -1,10 +1,30 @@
 /* i915_dma.c -- DMA support for the I915 -*- linux-c -*-
  */
 /**************************************************************************
- * 
+ *
  * 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.
+ *
  **************************************************************************/
 
 #include "drmP.h"
diff --git a/drivers/char/drm/i915_drm.h b/drivers/char/drm/i915_drm.h
index 7e55edf45c4f..23e027d29080 100644
--- a/drivers/char/drm/i915_drm.h
+++ b/drivers/char/drm/i915_drm.h
@@ -1,3 +1,30 @@
+/**************************************************************************
+ *
+ * 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 _I915_DRM_H_
 #define _I915_DRM_H_
 
diff --git a/drivers/char/drm/i915_drv.c b/drivers/char/drm/i915_drv.c
index 002b7082e21b..e6a9e1d1d283 100644
--- a/drivers/char/drm/i915_drv.c
+++ b/drivers/char/drm/i915_drv.c
@@ -1,11 +1,30 @@
 /* i915_drv.c -- i830,i845,i855,i865,i915 driver -*- linux-c -*-
  */
-
 /**************************************************************************
- * 
+ *
  * 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.
+ *
  **************************************************************************/
 
 #include "drmP.h"
diff --git a/drivers/char/drm/i915_drv.h b/drivers/char/drm/i915_drv.h
index f6ca92a565db..fa940d64b85d 100644
--- a/drivers/char/drm/i915_drv.h
+++ b/drivers/char/drm/i915_drv.h
@@ -1,10 +1,30 @@
 /* i915_drv.h -- Private header for the I915 driver -*- linux-c -*-
  */
 /**************************************************************************
- * 
+ *
  * 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 _I915_DRV_H_
diff --git a/drivers/char/drm/i915_irq.c b/drivers/char/drm/i915_irq.c
index b0239262a84a..a101cc9cfd7e 100644
--- a/drivers/char/drm/i915_irq.c
+++ b/drivers/char/drm/i915_irq.c
@@ -1,10 +1,30 @@
 /* i915_dma.c -- DMA support for the I915 -*- linux-c -*-
  */
 /**************************************************************************
- * 
+ *
  * 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.
+ *
  **************************************************************************/
 
 #include "drmP.h"
diff --git a/drivers/char/drm/i915_mem.c b/drivers/char/drm/i915_mem.c
index d54a3005946b..9b1698f521be 100644
--- a/drivers/char/drm/i915_mem.c
+++ b/drivers/char/drm/i915_mem.c
@@ -1,10 +1,30 @@
 /* i915_mem.c -- Simple agp/fb memory manager for i915 -*- linux-c -*-
  */
 /**************************************************************************
- * 
+ *
  * 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.
+ *
  **************************************************************************/
 
 #include "drmP.h"
diff --git a/drivers/char/drm/radeon_irq.c b/drivers/char/drm/radeon_irq.c
index cd25f28e26a3..40474a65f56d 100644
--- a/drivers/char/drm/radeon_irq.c
+++ b/drivers/char/drm/radeon_irq.c
@@ -35,6 +35,14 @@
 #include "radeon_drm.h"
 #include "radeon_drv.h"
 
+static __inline__ u32 radeon_acknowledge_irqs(drm_radeon_private_t *dev_priv, u32 mask)
+{
+        u32 irqs = RADEON_READ(RADEON_GEN_INT_STATUS) & mask;
+        if (irqs)
+                RADEON_WRITE(RADEON_GEN_INT_STATUS, irqs);
+        return irqs;
+}
+
 /* Interrupts - Used for device synchronization and flushing in the
  * following circumstances:
  *
@@ -63,8 +71,8 @@ irqreturn_t radeon_driver_irq_handler( DRM_IRQ_ARGS )
         /* Only consider the bits we're interested in - others could be used
          * outside the DRM
          */
-        stat = RADEON_READ(RADEON_GEN_INT_STATUS)
-             & (RADEON_SW_INT_TEST | RADEON_CRTC_VBLANK_STAT);
+        stat = radeon_acknowledge_irqs(dev_priv, (RADEON_SW_INT_TEST_ACK | 
+                                                  RADEON_CRTC_VBLANK_STAT));
         if (!stat)
                 return IRQ_NONE;
 
@@ -80,19 +88,9 @@ irqreturn_t radeon_driver_irq_handler( DRM_IRQ_ARGS )
                 drm_vbl_send_signals( dev );
         }
 
-        /* Acknowledge interrupts we handle */
-        RADEON_WRITE(RADEON_GEN_INT_STATUS, stat);
         return IRQ_HANDLED;
 }
 
-static __inline__ void radeon_acknowledge_irqs(drm_radeon_private_t *dev_priv)
-{
-        u32 tmp = RADEON_READ( RADEON_GEN_INT_STATUS )
-                & (RADEON_SW_INT_TEST_ACK | RADEON_CRTC_VBLANK_STAT);
-        if (tmp)
-                RADEON_WRITE( RADEON_GEN_INT_STATUS, tmp );
-}
-
 static int radeon_emit_irq(drm_device_t *dev)
 {
         drm_radeon_private_t *dev_priv = dev->dev_private;
@@ -141,7 +139,7 @@ int radeon_driver_vblank_wait(drm_device_t *dev, unsigned int *sequence)
                 return DRM_ERR(EINVAL);
         }
 
-        radeon_acknowledge_irqs( dev_priv );
+        radeon_acknowledge_irqs(dev_priv, RADEON_CRTC_VBLANK_STAT);
 
         dev_priv->stats.boxes |= RADEON_BOX_WAIT_IDLE;
 
@@ -219,7 +217,8 @@ void radeon_driver_irq_preinstall( drm_device_t *dev ) {
         RADEON_WRITE( RADEON_GEN_INT_CNTL, 0 );
 
         /* Clear bits if they're already high */
-        radeon_acknowledge_irqs( dev_priv );
+        radeon_acknowledge_irqs(dev_priv, (RADEON_SW_INT_TEST_ACK |
+                                           RADEON_CRTC_VBLANK_STAT));
 }
 
 void radeon_driver_irq_postinstall( drm_device_t *dev ) {