From mboxrd@z Thu Jan 1 00:00:00 1970 From: Chris Wilson Subject: [PATCH] drm/i915: Move the irq wait queue initialisation into the ring init Date: Tue, 29 Mar 2011 13:23:05 +0100 Message-ID: <1301401385-8935-1-git-send-email-chris@chris-wilson.co.uk> References: <1301395589-8121-1-git-send-email-chris@chris-wilson.co.uk> Return-path: In-Reply-To: <1301395589-8121-1-git-send-email-chris@chris-wilson.co.uk> Sender: linux-kernel-owner@vger.kernel.org To: intel-gfx@lists.freedesktop.org Cc: Pekka Enberg , linux-kernel@vger.kernel.org, Chris Wilson List-Id: intel-gfx@lists.freedesktop.org Required so that we don't obliterate the queue if initialising the rings after the global IRQ handler is installed. Signed-off-by: Chris Wilson --- This patch is required in conjunction with the first to prevent an oops the first time we try to use i915_wait_request (i.e. when starting X). -Chris --- drivers/gpu/drm/i915/i915_irq.c | 6 ------ drivers/gpu/drm/i915/intel_ringbuffer.c | 1 + 2 files changed, 1 insertions(+), 6 deletions(-) diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c index 188b497..46ccfc8 100644 --- a/drivers/gpu/drm/i915/i915_irq.c +++ b/drivers/gpu/drm/i915/i915_irq.c @@ -1688,12 +1688,6 @@ int i915_driver_irq_postinstall(struct drm_device *dev) u32 enable_mask = I915_INTERRUPT_ENABLE_FIX | I915_INTERRUPT_ENABLE_VAR; u32 error_mask; - DRM_INIT_WAITQUEUE(&dev_priv->ring[RCS].irq_queue); - if (HAS_BSD(dev)) - DRM_INIT_WAITQUEUE(&dev_priv->ring[VCS].irq_queue); - if (HAS_BLT(dev)) - DRM_INIT_WAITQUEUE(&dev_priv->ring[BCS].irq_queue); - dev_priv->vblank_pipe = DRM_I915_VBLANK_PIPE_A | DRM_I915_VBLANK_PIPE_B; if (HAS_PCH_SPLIT(dev)) diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c index e9e6f71..884556d 100644 --- a/drivers/gpu/drm/i915/intel_ringbuffer.c +++ b/drivers/gpu/drm/i915/intel_ringbuffer.c @@ -800,6 +800,7 @@ int intel_init_ring_buffer(struct drm_device *dev, INIT_LIST_HEAD(&ring->request_list); INIT_LIST_HEAD(&ring->gpu_write_list); + init_waitqueue_head(&ring->irq_queue); spin_lock_init(&ring->irq_lock); ring->irq_mask = ~0; -- 1.7.4.1