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global hotplug events happen in the pipe A stat register,

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they are not pipe A specific. Remove pipe B code.
This commit is contained in:
Alan Hourihane 2008-03-11 21:24:29 +00:00
parent 903d9231d6
commit cf1a2499ed
1 changed files with 9 additions and 29 deletions
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38
shared-core/i915_irq.c
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@ -577,6 +577,7 @@ irqreturn_t i915_driver_irq_handler(DRM_IRQ_ARGS)
struct drm_i915_private *dev_priv = (struct drm_i915_private *) dev->dev_private; struct drm_i915_private *dev_priv = (struct drm_i915_private *) dev->dev_private;
u32 temp = 0; u32 temp = 0;
u32 pipea_stats, pipeb_stats; u32 pipea_stats, pipeb_stats;
int hotplug = 0;
/* On i8xx/i915 hw the IIR and IER are 16bit on i9xx its 32bit */ /* On i8xx/i915 hw the IIR and IER are 16bit on i9xx its 32bit */
if (IS_I9XX(dev) && !IS_I915G(dev) && !IS_I915GM(dev)) if (IS_I9XX(dev) && !IS_I915G(dev) && !IS_I915GM(dev))
@ -610,13 +611,15 @@ irqreturn_t i915_driver_irq_handler(DRM_IRQ_ARGS)
I915_VBLANK_CLEAR; I915_VBLANK_CLEAR;
} }
if (temp & EVENT_PIPEA_FLAG) /* This is a global event, and not a pipe A event */
if (temp & EVENT_PIPEA_FLAG) {
if (pipea_stats & I915_HOTPLUG_CLEAR)
hotplug = 1;
pipea_stats |= I915_HOTPLUG_INTERRUPT_ENABLE | pipea_stats |= I915_HOTPLUG_INTERRUPT_ENABLE |
I915_HOTPLUG_CLEAR; I915_HOTPLUG_CLEAR;
if (temp & EVENT_PIPEB_FLAG) }
pipeb_stats |= I915_HOTPLUG_INTERRUPT_ENABLE |
I915_HOTPLUG_CLEAR;
I915_WRITE(I915REG_PIPEASTAT, pipea_stats); I915_WRITE(I915REG_PIPEASTAT, pipea_stats);
(void) I915_READ(I915REG_PIPEASTAT); (void) I915_READ(I915REG_PIPEASTAT);
@ -650,37 +653,14 @@ irqreturn_t i915_driver_irq_handler(DRM_IRQ_ARGS)
drm_locked_tasklet(dev, i915_vblank_tasklet); drm_locked_tasklet(dev, i915_vblank_tasklet);
} }
if (temp & (HOTPLUG_FLAG | EVENT_PIPEA_FLAG | EVENT_PIPEB_FLAG)) { if ((temp & HOTPLUG_FLAG) || hotplug) {
u32 temp2 = 0; u32 temp2 = 0;
DRM_INFO("Hotplug event received\n"); DRM_INFO("Hotplug event received\n");
if (!IS_I9XX(dev) || IS_I915G(dev) || IS_I915GM(dev)) { if (!IS_I9XX(dev) || IS_I915G(dev) || IS_I915GM(dev)) {
#if 0
u32 b,c;
b = I915_READ(SDVOB) & SDVO_PIPE_B_SELECT;
c = I915_READ(SDVOC) & SDVO_PIPE_B_SELECT;
if (temp & EVENT_PIPEA_FLAG) {
if (!b)
temp2 |= SDVOB_HOTPLUG_INT_STATUS;
if (!c)
temp2 |= SDVOC_HOTPLUG_INT_STATUS;
}
if (temp & EVENT_PIPEB_FLAG) {
if (b)
temp2 |= SDVOB_HOTPLUG_INT_STATUS;
if (c)
temp2 |= SDVOC_HOTPLUG_INT_STATUS;
}
#else
temp2 |= SDVOB_HOTPLUG_INT_STATUS | temp2 |= SDVOB_HOTPLUG_INT_STATUS |
SDVOC_HOTPLUG_INT_STATUS; SDVOC_HOTPLUG_INT_STATUS;
#endif
} else { } else {
temp2 = I915_READ(PORT_HOTPLUG_STAT); temp2 = I915_READ(PORT_HOTPLUG_STAT);
@ -879,8 +859,8 @@ void i915_enable_interrupt (struct drm_device *dev)
if (dev->mode_config.num_output) if (dev->mode_config.num_output)
dev_priv->irq_enable_reg |= EVENT_PIPEA_FLAG | EVENT_PIPEB_FLAG; dev_priv->irq_enable_reg |= EVENT_PIPEA_FLAG | EVENT_PIPEB_FLAG;
/* Enable global interrupts for hotplug - not a pipeA event */
I915_WRITE(I915REG_PIPEASTAT, I915_READ(I915REG_PIPEASTAT) | I915_HOTPLUG_INTERRUPT_ENABLE | I915_HOTPLUG_CLEAR); I915_WRITE(I915REG_PIPEASTAT, I915_READ(I915REG_PIPEASTAT) | I915_HOTPLUG_INTERRUPT_ENABLE | I915_HOTPLUG_CLEAR);
I915_WRITE(I915REG_PIPEBSTAT, I915_READ(I915REG_PIPEBSTAT) | I915_HOTPLUG_INTERRUPT_ENABLE | I915_HOTPLUG_CLEAR);
} }
if (dev_priv->irq_enable_reg & (HOTPLUG_FLAG | EVENT_PIPEA_FLAG | EVENT_PIPEB_FLAG)) { if (dev_priv->irq_enable_reg & (HOTPLUG_FLAG | EVENT_PIPEA_FLAG | EVENT_PIPEB_FLAG)) {