svn commit: r189054 - head/sys/dev/drm

[Robert Noland]

Author: rnoland
Date: Wed Feb 25 20:24:13 2009
New Revision: 189054
URL: http://svn.freebsd.org/changeset/base/189054

Log:
  The GM45 handles vblank differently.  Pull the changes from Intel in.
  
  MFC after:	2 Weeks

Modified:
  head/sys/dev/drm/i915_dma.c
  head/sys/dev/drm/i915_drv.c
  head/sys/dev/drm/i915_drv.h
  head/sys/dev/drm/i915_irq.c
  head/sys/dev/drm/i915_reg.h

Modified: head/sys/dev/drm/i915_dma.c
==============================================================================
--- head/sys/dev/drm/i915_dma.c	Wed Feb 25 18:56:49 2009	(r189053)
+++ head/sys/dev/drm/i915_dma.c	Wed Feb 25 20:24:13 2009	(r189054)
@@ -868,6 +868,12 @@ int i915_driver_load(struct drm_device *
 
 	ret = drm_addmap(dev, base, size, _DRM_REGISTERS,
 	    _DRM_KERNEL | _DRM_DRIVER, &dev_priv->mmio_map);
+
+	if (IS_GM45(dev))
+		dev->driver->get_vblank_counter = gm45_get_vblank_counter;
+	else
+		dev->driver->get_vblank_counter = i915_get_vblank_counter;
+
 #ifdef I915_HAVE_GEM
 	i915_gem_load(dev);
 #endif

Modified: head/sys/dev/drm/i915_drv.c
==============================================================================
--- head/sys/dev/drm/i915_drv.c	Wed Feb 25 18:56:49 2009	(r189053)
+++ head/sys/dev/drm/i915_drv.c	Wed Feb 25 20:24:13 2009	(r189054)
@@ -81,7 +81,6 @@ static void i915_configure(struct drm_de
 	dev->driver->preclose		= i915_driver_preclose;
 	dev->driver->lastclose		= i915_driver_lastclose;
 	dev->driver->device_is_agp	= i915_driver_device_is_agp;
-	dev->driver->get_vblank_counter	= i915_get_vblank_counter;
 	dev->driver->enable_vblank	= i915_enable_vblank;
 	dev->driver->disable_vblank	= i915_disable_vblank;
 	dev->driver->irq_preinstall	= i915_driver_irq_preinstall;

Modified: head/sys/dev/drm/i915_drv.h
==============================================================================
--- head/sys/dev/drm/i915_drv.h	Wed Feb 25 18:56:49 2009	(r189053)
+++ head/sys/dev/drm/i915_drv.h	Wed Feb 25 20:24:13 2009	(r189054)
@@ -449,6 +449,7 @@ extern int i915_vblank_pipe_get(struct d
 extern int i915_enable_vblank(struct drm_device *dev, int crtc);
 extern void i915_disable_vblank(struct drm_device *dev, int crtc);
 extern u32 i915_get_vblank_counter(struct drm_device *dev, int crtc);
+extern u32 gm45_get_vblank_counter(struct drm_device *dev, int crtc);
 extern int i915_vblank_swap(struct drm_device *dev, void *data,
 			    struct drm_file *file_priv);
 

Modified: head/sys/dev/drm/i915_irq.c
==============================================================================
--- head/sys/dev/drm/i915_irq.c	Wed Feb 25 18:56:49 2009	(r189053)
+++ head/sys/dev/drm/i915_irq.c	Wed Feb 25 20:24:13 2009	(r189054)
@@ -170,6 +170,19 @@ u32 i915_get_vblank_counter(struct drm_d
 	return count;
 }
 
+u32 gm45_get_vblank_counter(struct drm_device *dev, int pipe)
+{
+	drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
+	int reg = pipe ? PIPEB_FRMCOUNT_GM45 : PIPEA_FRMCOUNT_GM45;
+
+	if (!i915_pipe_enabled(dev, pipe)) {
+		DRM_ERROR("trying to get vblank count for disabled pipe %d\n", pipe);
+		return 0;
+	}
+
+	return I915_READ(reg);
+}
+
 irqreturn_t i915_driver_irq_handler(DRM_IRQ_ARGS)
 {
 	struct drm_device *dev = (struct drm_device *) arg;

Modified: head/sys/dev/drm/i915_reg.h
==============================================================================
--- head/sys/dev/drm/i915_reg.h	Wed Feb 25 18:56:49 2009	(r189053)
+++ head/sys/dev/drm/i915_reg.h	Wed Feb 25 20:24:13 2009	(r189054)
@@ -1329,6 +1329,9 @@ __FBSDID("$FreeBSD$");
 #define   PIPE_FRAME_LOW_SHIFT    24
 #define   PIPE_PIXEL_MASK         0x00ffffff
 #define   PIPE_PIXEL_SHIFT        0
+/* GM45+ just has to be different */
+#define PIPEA_FRMCOUNT_GM45	0x70040
+#define PIPEA_FLIPCOUNT_GM45	0x70044
 
 /* Cursor A & B regs */
 #define CURACNTR		0x70080
@@ -1397,6 +1400,8 @@ __FBSDID("$FreeBSD$");
 #define PIPEBSTAT		0x71024
 #define PIPEBFRAMEHIGH		0x71040
 #define PIPEBFRAMEPIXEL		0x71044
+#define PIPEB_FRMCOUNT_GM45	0x71040
+#define PIPEB_FLIPCOUNT_GM45	0x71044
 
 /* Display B control */
 #define DSPBCNTR		0x71180