From d49bdb0e1054d022cc6f88fcecf9c79bae66eab0 Mon Sep 17 00:00:00 2001 From: Paulo Zanoni Date: Fri, 4 Jul 2014 11:50:31 -0300 Subject: drm/i915: extract and improve gen8_irq_power_well_post_enable Move it from hsw_power_well_post_enable() (intel_pm.c) to i915_irq.c so we can reuse the nice IRQ macros we have there. The main difference is that now we're going to check if the IIR register is non-zero when we try to re-enable the interrupts. Signed-off-by: Paulo Zanoni Reviewed-by: Rodrigo Vivi Signed-off-by: Daniel Vetter --- drivers/gpu/drm/i915/intel_pm.c | 18 ++---------------- 1 file changed, 2 insertions(+), 16 deletions(-) (limited to 'drivers/gpu/drm/i915/intel_pm.c') diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index 25ae4e6d3dd6..d23ba37e6ab9 100644 --- a/drivers/gpu/drm/i915/intel_pm.c +++ b/drivers/gpu/drm/i915/intel_pm.c @@ -5998,7 +5998,6 @@ bool intel_display_power_enabled(struct drm_i915_private *dev_priv, static void hsw_power_well_post_enable(struct drm_i915_private *dev_priv) { struct drm_device *dev = dev_priv->dev; - unsigned long irqflags; /* * After we re-enable the power well, if we touch VGA register 0x3d5 @@ -6014,21 +6013,8 @@ static void hsw_power_well_post_enable(struct drm_i915_private *dev_priv) outb(inb(VGA_MSR_READ), VGA_MSR_WRITE); vga_put(dev->pdev, VGA_RSRC_LEGACY_IO); - if (IS_BROADWELL(dev)) { - spin_lock_irqsave(&dev_priv->irq_lock, irqflags); - I915_WRITE(GEN8_DE_PIPE_IMR(PIPE_B), - dev_priv->de_irq_mask[PIPE_B]); - I915_WRITE(GEN8_DE_PIPE_IER(PIPE_B), - ~dev_priv->de_irq_mask[PIPE_B] | - GEN8_PIPE_VBLANK); - I915_WRITE(GEN8_DE_PIPE_IMR(PIPE_C), - dev_priv->de_irq_mask[PIPE_C]); - I915_WRITE(GEN8_DE_PIPE_IER(PIPE_C), - ~dev_priv->de_irq_mask[PIPE_C] | - GEN8_PIPE_VBLANK); - POSTING_READ(GEN8_DE_PIPE_IER(PIPE_C)); - spin_unlock_irqrestore(&dev_priv->irq_lock, irqflags); - } + if (IS_BROADWELL(dev)) + gen8_irq_power_well_post_enable(dev_priv); } static void hsw_set_power_well(struct drm_i915_private *dev_priv, -- cgit v1.2.3