Attachment 134760 Details for Bug 102818 – Hold powerwell for vblanks

[patch] Hold powerwell for vblanks

0001-vblank-power-well.patch (text/plain), 1.20 KB, created by Chris Wilson on 2017-10-09 08:52:24 UTC

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Creator: Chris Wilson

Created: 2017-10-09 08:52:24 UTC

Size: 1.20 KB

patch

obsolete

>From cee53bb3beb947550b62eb0b843b521e2a283d03 Mon Sep 17 00:00:00 2001
>From: Chris Wilson <chris@chris-wilson.co.uk>
>Date: Mon, 9 Oct 2017 09:51:28 +0100
>Subject: [PATCH] vblank-power-well
>
>---
> drivers/gpu/drm/i915/i915_irq.c | 4 ++++
> 1 file changed, 4 insertions(+)
>
>diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
>index de77713..739bf90 100644
>--- a/drivers/gpu/drm/i915/i915_irq.c
>+++ b/drivers/gpu/drm/i915/i915_irq.c
>@@ -2927,6 +2927,8 @@ static int i965_enable_vblank(struct drm_device *dev, unsigned int pipe)
> 	struct drm_i915_private *dev_priv = to_i915(dev);
> 	unsigned long irqflags;
> 
>+	intel_display_power_get(dev_priv, POWER_DOMAIN_MODESET);
>+
> 	spin_lock_irqsave(&dev_priv->irq_lock, irqflags);
> 	i915_enable_pipestat(dev_priv, pipe,
> 			     PIPE_START_VBLANK_INTERRUPT_STATUS);
>@@ -2983,6 +2985,8 @@ static void i965_disable_vblank(struct drm_device *dev, unsigned int pipe)
> 	i915_disable_pipestat(dev_priv, pipe,
> 			      PIPE_START_VBLANK_INTERRUPT_STATUS);
> 	spin_unlock_irqrestore(&dev_priv->irq_lock, irqflags);
>+
>+	intel_display_power_put(dev_priv, POWER_DOMAIN_MODESET);
> }
> 
> static void ironlake_disable_vblank(struct drm_device *dev, unsigned int pipe)
>-- 
>2.7.4
>

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Attachments on bug 102818: 134287 | 134288 | 134289 | 134290 | 134407 | 134408 | 134562 | 134563 | 134760

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