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authorDave Airlie <airlied@redhat.com>2008-12-09 08:30:50 +0300
committerDave Airlie <airlied@redhat.com>2008-12-09 08:30:50 +0300
commitfae7043c65d65f3e5b34bac4431c6ccc49190c41 (patch)
treec61c3fb8e47ec57f81a3f1e6318b69771d924374 /drivers/gpu/drm/radeon/radeon_irq.c
parent218d11a8b071b23b76c484fd5f72a4fe3306801e (diff)
downloadlinux-fae7043c65d65f3e5b34bac4431c6ccc49190c41.tar.xz
drm/radeon: don't actually enable the IRQ regs until irq is enabled
vblank can try and enable the IRQ registers before we've set the interrupt handler up. Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_irq.c')
-rw-r--r--drivers/gpu/drm/radeon/radeon_irq.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_irq.c b/drivers/gpu/drm/radeon/radeon_irq.c
index 97c0599fdb1e..99be11418ac2 100644
--- a/drivers/gpu/drm/radeon/radeon_irq.c
+++ b/drivers/gpu/drm/radeon/radeon_irq.c
@@ -44,7 +44,8 @@ void radeon_irq_set_state(struct drm_device *dev, u32 mask, int state)
else
dev_priv->irq_enable_reg &= ~mask;
- RADEON_WRITE(RADEON_GEN_INT_CNTL, dev_priv->irq_enable_reg);
+ if (!dev->irq_enabled)
+ RADEON_WRITE(RADEON_GEN_INT_CNTL, dev_priv->irq_enable_reg);
}
static void r500_vbl_irq_set_state(struct drm_device *dev, u32 mask, int state)
@@ -56,7 +57,8 @@ static void r500_vbl_irq_set_state(struct drm_device *dev, u32 mask, int state)
else
dev_priv->r500_disp_irq_reg &= ~mask;
- RADEON_WRITE(R500_DxMODE_INT_MASK, dev_priv->r500_disp_irq_reg);
+ if (!dev->irq_enabled)
+ RADEON_WRITE(R500_DxMODE_INT_MASK, dev_priv->r500_disp_irq_reg);
}
int radeon_enable_vblank(struct drm_device *dev, int crtc)
@@ -355,8 +357,6 @@ void radeon_driver_irq_uninstall(struct drm_device * dev)
if (!dev_priv)
return;
- dev_priv->irq_enabled = 0;
-
if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RS690)
RADEON_WRITE(R500_DxMODE_INT_MASK, 0);
/* Disable *all* interrupts */