diff options
| author | Paulo Zanoni <paulo.r.zanoni@intel.com> | 2013-02-08 23:35:15 +0400 |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2013-02-15 13:30:38 +0400 |
| commit | d46da4377689bd938795e53c4e2fb54dbcaeea44 (patch) | |
| tree | 962351720cc13f91a7e8f56ee3f699ea93f87add /drivers/gpu/drm/i915 | |
| parent | 2c6602df1a7ff79c9e489602445a6d7eb728744e (diff) | |
| download | linux-d46da4377689bd938795e53c4e2fb54dbcaeea44.tar.xz | |
drm/i915: add ibx_irq_postinstall
So we can remove duplicated code. Note that this function is used not
only on IBX, but also CPT and LPT.
Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Reviewed-by: Ben Widawsky <ben@bwidawsk.net>
[danvet: Also bikeshed s/ironlake_enable_pch_hotplug/ibx_enable_hotplug
to keep consistent with our ibx for pch naming scheme.]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'drivers/gpu/drm/i915')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_irq.c | 68 |
1 files changed, 25 insertions, 43 deletions
diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c index b27ffdbc98a7..2cd97d1cc920 100644 --- a/drivers/gpu/drm/i915/i915_irq.c +++ b/drivers/gpu/drm/i915/i915_irq.c @@ -1924,7 +1924,7 @@ static void valleyview_irq_preinstall(struct drm_device *dev) * This register is the same on all known PCH chips. */ -static void ironlake_enable_pch_hotplug(struct drm_device *dev) +static void ibx_enable_hotplug(struct drm_device *dev) { drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private; u32 hotplug; @@ -1937,6 +1937,28 @@ static void ironlake_enable_pch_hotplug(struct drm_device *dev) I915_WRITE(PCH_PORT_HOTPLUG, hotplug); } +static void ibx_irq_postinstall(struct drm_device *dev) +{ + drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private; + u32 mask; + + if (HAS_PCH_IBX(dev)) + mask = SDE_HOTPLUG_MASK | + SDE_GMBUS | + SDE_AUX_MASK; + else + mask = SDE_HOTPLUG_MASK_CPT | + SDE_GMBUS_CPT | + SDE_AUX_MASK_CPT; + + I915_WRITE(SDEIIR, I915_READ(SDEIIR)); + I915_WRITE(SDEIMR, ~mask); + I915_WRITE(SDEIER, mask); + POSTING_READ(SDEIER); + + ibx_enable_hotplug(dev); +} + static int ironlake_irq_postinstall(struct drm_device *dev) { drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private; @@ -1945,8 +1967,6 @@ static int ironlake_irq_postinstall(struct drm_device *dev) DE_PLANEA_FLIP_DONE | DE_PLANEB_FLIP_DONE | DE_AUX_CHANNEL_A; u32 render_irqs; - u32 hotplug_mask; - u32 pch_irq_mask; dev_priv->irq_mask = ~display_mask; @@ -1974,30 +1994,7 @@ static int ironlake_irq_postinstall(struct drm_device *dev) I915_WRITE(GTIER, render_irqs); POSTING_READ(GTIER); - if (HAS_PCH_CPT(dev)) { - hotplug_mask = (SDE_CRT_HOTPLUG_CPT | - SDE_PORTB_HOTPLUG_CPT | - SDE_PORTC_HOTPLUG_CPT | - SDE_PORTD_HOTPLUG_CPT | - SDE_GMBUS_CPT | - SDE_AUX_MASK_CPT); - } else { - hotplug_mask = (SDE_CRT_HOTPLUG | - SDE_PORTB_HOTPLUG | - SDE_PORTC_HOTPLUG | - SDE_PORTD_HOTPLUG | - SDE_GMBUS | - SDE_AUX_MASK); - } - - pch_irq_mask = ~hotplug_mask; - - I915_WRITE(SDEIIR, I915_READ(SDEIIR)); - I915_WRITE(SDEIMR, pch_irq_mask); - I915_WRITE(SDEIER, hotplug_mask); - POSTING_READ(SDEIER); - - ironlake_enable_pch_hotplug(dev); + ibx_irq_postinstall(dev); if (IS_IRONLAKE_M(dev)) { /* Clear & enable PCU event interrupts */ @@ -2020,8 +2017,6 @@ static int ivybridge_irq_postinstall(struct drm_device *dev) DE_PLANEA_FLIP_DONE_IVB | DE_AUX_CHANNEL_A_IVB; u32 render_irqs; - u32 hotplug_mask; - u32 pch_irq_mask; dev_priv->irq_mask = ~display_mask; @@ -2045,20 +2040,7 @@ static int ivybridge_irq_postinstall(struct drm_device *dev) I915_WRITE(GTIER, render_irqs); POSTING_READ(GTIER); - hotplug_mask = (SDE_CRT_HOTPLUG_CPT | - SDE_PORTB_HOTPLUG_CPT | - SDE_PORTC_HOTPLUG_CPT | - SDE_PORTD_HOTPLUG_CPT | - SDE_GMBUS_CPT | - SDE_AUX_MASK_CPT); - pch_irq_mask = ~hotplug_mask; - - I915_WRITE(SDEIIR, I915_READ(SDEIIR)); - I915_WRITE(SDEIMR, pch_irq_mask); - I915_WRITE(SDEIER, hotplug_mask); - POSTING_READ(SDEIER); - - ironlake_enable_pch_hotplug(dev); + ibx_irq_postinstall(dev); return 0; } |