diff options
| author | Alan Hourihane <alanh@tungstengraphics.com> | 2006-08-12 08:29:24 +0200 |
|---|---|---|
| committer | Dave Airlie <airlied@linux.ie> | 2006-09-21 21:32:32 +0200 |
| commit | c29b669caae4ed1630ef479e54bdde126a0378ec (patch) | |
| tree | 6a1b68ea33fd6bcfcf921494df35bc532aaac7ad /drivers/char/drm/i915_irq.c | |
| parent | drm: add better explanation for i830/i915 (diff) | |
| download | linux-c29b669caae4ed1630ef479e54bdde126a0378ec.tar.xz linux-c29b669caae4ed1630ef479e54bdde126a0378ec.zip | |
drm: Add support for Intel i965G chipsets.
This is a patch prepared by Guangdeng Liao based off of Tungsten Graphics's
final code drop.
From: Alan Hourihane <alanh@tungstengraphics.com>
Signed-off-by: Dave Airlie <airlied@linux.ie>
Diffstat (limited to 'drivers/char/drm/i915_irq.c')
| -rw-r--r-- | drivers/char/drm/i915_irq.c | 16 |
1 files changed, 11 insertions, 5 deletions
diff --git a/drivers/char/drm/i915_irq.c b/drivers/char/drm/i915_irq.c index cd96cfa430db..0d4a162aa385 100644 --- a/drivers/char/drm/i915_irq.c +++ b/drivers/char/drm/i915_irq.c @@ -71,21 +71,27 @@ irqreturn_t i915_driver_irq_handler(DRM_IRQ_ARGS) static int i915_emit_irq(drm_device_t * dev) { drm_i915_private_t *dev_priv = dev->dev_private; - u32 ret; RING_LOCALS; i915_kernel_lost_context(dev); DRM_DEBUG("%s\n", __FUNCTION__); - ret = dev_priv->counter; + dev_priv->sarea_priv->last_enqueue = ++dev_priv->counter; - BEGIN_LP_RING(2); + if (dev_priv->counter > 0x7FFFFFFFUL) + dev_priv->sarea_priv->last_enqueue = dev_priv->counter = 1; + + BEGIN_LP_RING(6); + OUT_RING(CMD_STORE_DWORD_IDX); + OUT_RING(20); + OUT_RING(dev_priv->counter); + OUT_RING(0); OUT_RING(0); OUT_RING(GFX_OP_USER_INTERRUPT); ADVANCE_LP_RING(); - - return ret; + + return dev_priv->counter; } static int i915_wait_irq(drm_device_t * dev, int irq_nr) |