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
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