From: Mika Kuoppala Date: Tue, 22 Jan 2013 12:12:17 +0000 (+0200) Subject: drm/i915: use gem_set_seqno() on hardware init X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=99433931950f33039d9e1a52b4ed9af3f1b58e84;p=linux-beck.git drm/i915: use gem_set_seqno() on hardware init When machine was rebooted or module was reloaded, gem_hw_init() set last_seqno to be identical to next_seqno. This lead to situation that waits for first ever request always passed immediately regardless if it was actually executed. Use gem_set_seqno() to be consistent how hw is initialized on init, wrap and on resume. Signed-off-by: Mika Kuoppala Reviewed-by: Chris Wilson Signed-off-by: Daniel Vetter --- diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c index 5226ebcac33a..801f77ece72e 100644 --- a/drivers/gpu/drm/i915/i915_gem.c +++ b/drivers/gpu/drm/i915/i915_gem.c @@ -3941,8 +3941,6 @@ i915_gem_init_hw(struct drm_device *dev) i915_gem_init_swizzling(dev); - dev_priv->next_seqno = dev_priv->last_seqno = (u32)~0 - 0x1000; - ret = intel_init_render_ring_buffer(dev); if (ret) return ret; @@ -3959,6 +3957,10 @@ i915_gem_init_hw(struct drm_device *dev) goto cleanup_bsd_ring; } + ret = i915_gem_set_seqno(dev, ((u32)~0 - 0x1000)); + if (ret) + return ret; + /* * XXX: There was some w/a described somewhere suggesting loading * contexts before PPGTT. diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c index 9438bcd50678..dc6ae2fa1cee 100644 --- a/drivers/gpu/drm/i915/intel_ringbuffer.c +++ b/drivers/gpu/drm/i915/intel_ringbuffer.c @@ -1223,8 +1223,6 @@ static int intel_init_ring_buffer(struct drm_device *dev, if (IS_I830(ring->dev) || IS_845G(ring->dev)) ring->effective_size -= 128; - intel_ring_init_seqno(ring, dev_priv->last_seqno); - return 0; err_unmap: