diff options
author | Chris Wilson <chris@chris-wilson.co.uk> | 2012-05-11 18:01:31 +0100 |
---|---|---|
committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2012-05-21 20:13:35 +0200 |
commit | adca473021dc8cb2397929918038f76b56a4595d (patch) | |
tree | 35128b6084d80f40e6b51e324fba5d1a305aac30 /drivers/gpu/drm/i915/i915_irq.c | |
parent | f15b4ca2ccbc0a4661c35a744d254e1e32dd1e15 (diff) |
drm/i915: All members of gen4 have hotplug, so unconditionally enable its irq
Also as we set the HOTPLUG_EN to 0 during pre-install, we can simply set
it during post-install, and nor do we wish to enable unwanted hotplug
events.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'drivers/gpu/drm/i915/i915_irq.c')
-rw-r--r-- | drivers/gpu/drm/i915/i915_irq.c | 75 |
1 files changed, 31 insertions, 44 deletions
diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c index cc4a63307611..e31515aded8c 100644 --- a/drivers/gpu/drm/i915/i915_irq.c +++ b/drivers/gpu/drm/i915/i915_irq.c @@ -2320,10 +2320,8 @@ static void i965_irq_preinstall(struct drm_device * dev) atomic_set(&dev_priv->irq_received, 0); - if (I915_HAS_HOTPLUG(dev)) { - I915_WRITE(PORT_HOTPLUG_EN, 0); - I915_WRITE(PORT_HOTPLUG_STAT, I915_READ(PORT_HOTPLUG_STAT)); - } + I915_WRITE(PORT_HOTPLUG_EN, 0); + I915_WRITE(PORT_HOTPLUG_STAT, I915_READ(PORT_HOTPLUG_STAT)); I915_WRITE(HWSTAM, 0xeffe); for_each_pipe(pipe) @@ -2336,11 +2334,13 @@ static void i965_irq_preinstall(struct drm_device * dev) static int i965_irq_postinstall(struct drm_device *dev) { drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private; + u32 hotplug_en; u32 enable_mask; u32 error_mask; /* Unmask the interrupts that we always want on. */ dev_priv->irq_mask = ~(I915_ASLE_INTERRUPT | + I915_DISPLAY_PORT_INTERRUPT | I915_DISPLAY_PIPE_A_EVENT_INTERRUPT | I915_DISPLAY_PIPE_B_EVENT_INTERRUPT | I915_DISPLAY_PLANE_A_FLIP_PENDING_INTERRUPT | @@ -2356,13 +2356,6 @@ static int i965_irq_postinstall(struct drm_device *dev) dev_priv->pipestat[0] = 0; dev_priv->pipestat[1] = 0; - if (I915_HAS_HOTPLUG(dev)) { - /* Enable in IER... */ - enable_mask |= I915_DISPLAY_PORT_INTERRUPT; - /* and unmask in IMR */ - dev_priv->irq_mask &= ~I915_DISPLAY_PORT_INTERRUPT; - } - /* * Enable some error detection, note the instruction error mask * bit is reserved, so we leave it masked. @@ -2382,36 +2375,33 @@ static int i965_irq_postinstall(struct drm_device *dev) I915_WRITE(IER, enable_mask); POSTING_READ(IER); - if (I915_HAS_HOTPLUG(dev)) { - u32 hotplug_en = I915_READ(PORT_HOTPLUG_EN); - - /* Note HDMI and DP share bits */ - if (dev_priv->hotplug_supported_mask & HDMIB_HOTPLUG_INT_STATUS) - hotplug_en |= HDMIB_HOTPLUG_INT_EN; - if (dev_priv->hotplug_supported_mask & HDMIC_HOTPLUG_INT_STATUS) - hotplug_en |= HDMIC_HOTPLUG_INT_EN; - if (dev_priv->hotplug_supported_mask & HDMID_HOTPLUG_INT_STATUS) - hotplug_en |= HDMID_HOTPLUG_INT_EN; - if (dev_priv->hotplug_supported_mask & SDVOC_HOTPLUG_INT_STATUS) - hotplug_en |= SDVOC_HOTPLUG_INT_EN; - if (dev_priv->hotplug_supported_mask & SDVOB_HOTPLUG_INT_STATUS) - hotplug_en |= SDVOB_HOTPLUG_INT_EN; - if (dev_priv->hotplug_supported_mask & CRT_HOTPLUG_INT_STATUS) { - hotplug_en |= CRT_HOTPLUG_INT_EN; + /* Note HDMI and DP share hotplug bits */ + hotplug_en = 0; + if (dev_priv->hotplug_supported_mask & HDMIB_HOTPLUG_INT_STATUS) + hotplug_en |= HDMIB_HOTPLUG_INT_EN; + if (dev_priv->hotplug_supported_mask & HDMIC_HOTPLUG_INT_STATUS) + hotplug_en |= HDMIC_HOTPLUG_INT_EN; + if (dev_priv->hotplug_supported_mask & HDMID_HOTPLUG_INT_STATUS) + hotplug_en |= HDMID_HOTPLUG_INT_EN; + if (dev_priv->hotplug_supported_mask & SDVOC_HOTPLUG_INT_STATUS) + hotplug_en |= SDVOC_HOTPLUG_INT_EN; + if (dev_priv->hotplug_supported_mask & SDVOB_HOTPLUG_INT_STATUS) + hotplug_en |= SDVOB_HOTPLUG_INT_EN; + if (dev_priv->hotplug_supported_mask & CRT_HOTPLUG_INT_STATUS) { + hotplug_en |= CRT_HOTPLUG_INT_EN; - /* Programming the CRT detection parameters tends - to generate a spurious hotplug event about three - seconds later. So just do it once. - */ - if (IS_G4X(dev)) - hotplug_en |= CRT_HOTPLUG_ACTIVATION_PERIOD_64; - hotplug_en |= CRT_HOTPLUG_VOLTAGE_COMPARE_50; - } + /* Programming the CRT detection parameters tends + to generate a spurious hotplug event about three + seconds later. So just do it once. + */ + if (IS_G4X(dev)) + hotplug_en |= CRT_HOTPLUG_ACTIVATION_PERIOD_64; + hotplug_en |= CRT_HOTPLUG_VOLTAGE_COMPARE_50; + } - /* Ignore TV since it's buggy */ + /* Ignore TV since it's buggy */ - I915_WRITE(PORT_HOTPLUG_EN, hotplug_en); - } + I915_WRITE(PORT_HOTPLUG_EN, hotplug_en); intel_opregion_enable_asle(dev); @@ -2469,8 +2459,7 @@ static irqreturn_t i965_irq_handler(DRM_IRQ_ARGS) ret = IRQ_HANDLED; /* Consume port. Then clear IIR or we'll miss events */ - if ((I915_HAS_HOTPLUG(dev)) && - (iir & I915_DISPLAY_PORT_INTERRUPT)) { + if (iir & I915_DISPLAY_PORT_INTERRUPT) { u32 hotplug_status = I915_READ(PORT_HOTPLUG_STAT); DRM_DEBUG_DRIVER("hotplug event received, stat 0x%08x\n", @@ -2543,10 +2532,8 @@ static void i965_irq_uninstall(struct drm_device * dev) if (!dev_priv) return; - if (I915_HAS_HOTPLUG(dev)) { - I915_WRITE(PORT_HOTPLUG_EN, 0); - I915_WRITE(PORT_HOTPLUG_STAT, I915_READ(PORT_HOTPLUG_STAT)); - } + I915_WRITE(PORT_HOTPLUG_EN, 0); + I915_WRITE(PORT_HOTPLUG_STAT, I915_READ(PORT_HOTPLUG_STAT)); I915_WRITE(HWSTAM, 0xffffffff); for_each_pipe(pipe) |