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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>
This commit is contained in:
Dave Airlie 2008-12-09 15:30:50 +10:00
parent 218d11a8b0
commit fae7043c65
2 changed files with 4 additions and 5 deletions
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1
drivers/gpu/drm/radeon/radeon_drv.h
View File

@ -299,7 +299,6 @@ typedef struct drm_radeon_private {
atomic_t swi_emitted;
int vblank_crtc;
uint32_t irq_enable_reg;
int irq_enabled;
uint32_t r500_disp_irq_reg;
struct radeon_surface surfaces[RADEON_MAX_SURFACES];

8
drivers/gpu/drm/radeon/radeon_irq.c
View File

@ -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 */