hollalinux
/
linux-sg2042
mirror of https://github.com/sophgo/linux-riscv.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

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 <alexander.deucher@amd.com>
Reviewed-by: Jerome Glisse <jglisse@redhat.com>
Cc: stable@vger.kernel.org
This commit is contained in:
Alex Deucher 2013-02-26 16:17:33 -05:00
parent 2cc79544bd
commit cc9945bf9c
1 changed files with 12 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
drivers/gpu/drm/radeon/radeon_irq_kms.c
View File

@ -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));