From: Alex Deucher Date: Tue, 26 Feb 2013 21:17:33 +0000 (-0500) Subject: drm/radeon: don't set hpd, afmt interrupts when interrupts are disabled X-Git-Tag: v3.9-rc2~15^2~5^2~3 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=cc9945bf9cac03860b2f7d59882263c965c6e3af;p=profile%2Fcommon%2Fkernel-common.git drm/radeon: don't set hpd, afmt interrupts when interrupts are disabled Avoids splatter if the interrupt handler is not registered due to acceleration being disabled. Signed-off-by: Alex Deucher Reviewed-by: Jerome Glisse Cc: stable@vger.kernel.org --- diff --git a/drivers/gpu/drm/radeon/radeon_irq_kms.c b/drivers/gpu/drm/radeon/radeon_irq_kms.c index 90374dd..48f80cd 100644 --- a/drivers/gpu/drm/radeon/radeon_irq_kms.c +++ b/drivers/gpu/drm/radeon/radeon_irq_kms.c @@ -400,6 +400,9 @@ void radeon_irq_kms_enable_afmt(struct radeon_device *rdev, int block) { unsigned long irqflags; + if (!rdev->ddev->irq_enabled) + return; + spin_lock_irqsave(&rdev->irq.lock, irqflags); rdev->irq.afmt[block] = true; radeon_irq_set(rdev); @@ -419,6 +422,9 @@ void radeon_irq_kms_disable_afmt(struct radeon_device *rdev, int block) { unsigned long irqflags; + if (!rdev->ddev->irq_enabled) + return; + spin_lock_irqsave(&rdev->irq.lock, irqflags); rdev->irq.afmt[block] = false; radeon_irq_set(rdev); @@ -438,6 +444,9 @@ void radeon_irq_kms_enable_hpd(struct radeon_device *rdev, unsigned hpd_mask) unsigned long irqflags; int i; + if (!rdev->ddev->irq_enabled) + return; + spin_lock_irqsave(&rdev->irq.lock, irqflags); for (i = 0; i < RADEON_MAX_HPD_PINS; ++i) rdev->irq.hpd[i] |= !!(hpd_mask & (1 << i)); @@ -458,6 +467,9 @@ void radeon_irq_kms_disable_hpd(struct radeon_device *rdev, unsigned hpd_mask) unsigned long irqflags; int i; + if (!rdev->ddev->irq_enabled) + return; + spin_lock_irqsave(&rdev->irq.lock, irqflags); for (i = 0; i < RADEON_MAX_HPD_PINS; ++i) rdev->irq.hpd[i] &= !(hpd_mask & (1 << i));