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i915: Backport jbarnes gm45 vblank counter patch.

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This commit is contained in:
Robert Noland 2009-02-25 14:19:01 -06:00
parent efa485b2cf
commit 948af0bd9b
5 changed files with 25 additions and 1 deletions
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1
bsd-core/i915_drv.c
View file

@ -78,7 +78,6 @@ static void i915_configure(struct drm_device *dev)
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;

6
shared-core/i915_dma.c
View file

@ -864,6 +864,12 @@ int i915_driver_load(struct drm_device *dev, unsigned long flags)
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

1
shared-core/i915_drv.h
View file

@ -446,6 +446,7 @@ extern int i915_vblank_pipe_get(struct drm_device *dev, void *data,
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);

13
shared-core/i915_irq.c
View file

@ -167,6 +167,19 @@ u32 i915_get_vblank_counter(struct drm_device *dev, int pipe)
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;

5
shared-core/i915_reg.h
View file

@ -1326,6 +1326,9 @@
#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
@ -1394,6 +1397,8 @@
#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