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author | Paulo Zanoni <paulo.r.zanoni@intel.com> | 2014-04-01 15:37:27 -0300 |
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committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2014-04-01 23:30:26 +0200 |
commit | 0c84121202bf8b9debd1efae9c6b500330eb24c5 (patch) | |
tree | 7404aeecb5d3e2821ac9af8778d884822479667d /drivers/gpu/drm/i915/i915_irq.c | |
parent | 823f6b38e85c1d5439ec5c18d7574e22440e44a0 (diff) | |
download | lwn-0c84121202bf8b9debd1efae9c6b500330eb24c5.tar.gz lwn-0c84121202bf8b9debd1efae9c6b500330eb24c5.zip |
drm/i915: only enable HWSTAM interrupts on postinstall on ILK+
We should only enable interrupts at postinstall.
And now on ILK/SNB/IVB/HSW the irq_preinstall and irq_postinstall
functions leave the hardware in the same state.
Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
[danvet: Fix compile fail due to drm_i915_private_t typedef removal.]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'drivers/gpu/drm/i915/i915_irq.c')
-rw-r--r-- | drivers/gpu/drm/i915/i915_irq.c | 10 |
1 files changed, 4 insertions, 6 deletions
diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c index 26fec6cdfc68..75f19979b8f7 100644 --- a/drivers/gpu/drm/i915/i915_irq.c +++ b/drivers/gpu/drm/i915/i915_irq.c @@ -2912,6 +2912,8 @@ static void ironlake_irq_reset(struct drm_device *dev) { struct drm_i915_private *dev_priv = dev->dev_private; + I915_WRITE(HWSTAM, 0xffffffff); + GEN5_IRQ_RESET(DE); if (IS_GEN7(dev)) I915_WRITE(GEN7_ERR_INT, 0xffffffff); @@ -2923,10 +2925,6 @@ static void ironlake_irq_reset(struct drm_device *dev) static void ironlake_irq_preinstall(struct drm_device *dev) { - struct drm_i915_private *dev_priv = dev->dev_private; - - I915_WRITE(HWSTAM, 0xeffe); - ironlake_irq_reset(dev); } @@ -3099,6 +3097,8 @@ static int ironlake_irq_postinstall(struct drm_device *dev) dev_priv->irq_mask = ~display_mask; + I915_WRITE(HWSTAM, 0xeffe); + ibx_irq_pre_postinstall(dev); GEN5_IRQ_INIT(DE, dev_priv->irq_mask, display_mask | extra_mask); @@ -3354,8 +3354,6 @@ static void ironlake_irq_uninstall(struct drm_device *dev) intel_hpd_irq_uninstall(dev_priv); - I915_WRITE(HWSTAM, 0xffffffff); - ironlake_irq_reset(dev); } |