From 948af0bd9b9eade489599d7ec160d42706331779 Mon Sep 17 00:00:00 2001 From: Robert Noland Date: Wed, 25 Feb 2009 14:19:01 -0600 Subject: i915: Backport jbarnes gm45 vblank counter patch. --- bsd-core/i915_drv.c | 1 - shared-core/i915_dma.c | 6 ++++++ shared-core/i915_drv.h | 1 + shared-core/i915_irq.c | 13 +++++++++++++ shared-core/i915_reg.h | 5 +++++ 5 files changed, 25 insertions(+), 1 deletion(-) diff --git a/bsd-core/i915_drv.c b/bsd-core/i915_drv.c index 70088ee3..a323ac3c 100644 --- a/bsd-core/i915_drv.c +++ b/bsd-core/i915_drv.c @@ -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; diff --git a/shared-core/i915_dma.c b/shared-core/i915_dma.c index 7f458c79..b97b576f 100644 --- a/shared-core/i915_dma.c +++ b/shared-core/i915_dma.c @@ -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 diff --git a/shared-core/i915_drv.h b/shared-core/i915_drv.h index 97e6fe2c..aa97aabb 100644 --- a/shared-core/i915_drv.h +++ b/shared-core/i915_drv.h @@ -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); diff --git a/shared-core/i915_irq.c b/shared-core/i915_irq.c index 77ff8d8b..50ff93a4 100644 --- a/shared-core/i915_irq.c +++ b/shared-core/i915_irq.c @@ -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; diff --git a/shared-core/i915_reg.h b/shared-core/i915_reg.h index 5c2d9f20..75647757 100644 --- a/shared-core/i915_reg.h +++ b/shared-core/i915_reg.h @@ -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 -- cgit v1.2.3