drm/i915: reuse Ivy Bridge interrupts code for Haswell

Haswell interrupts are mostly similar with Ivy Bridge, so we share same
routines with it.

This patch also simplifies the vblank counter handling for all the Gen5+
architectures.

Signed-off-by: Eugeni Dodonov <eugeni.dodonov@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
index 324431e42fdf7f3f5ecbe0df13892c6ae16e3fff..2a062d778ff466024f57bc9da6bba4508322fcc0 100644 (file)
--- a/drivers/gpu/drm/i915/i915_irq.c
+++ b/drivers/gpu/drm/i915/i915_irq.c
@@ -2583,8 +2583,7 @@ void intel_irq_init(struct drm_device *dev)
 
        dev->driver->get_vblank_counter = i915_get_vblank_counter;
        dev->max_vblank_count = 0xffffff; /* only 24 bits of frame count */
-       if (IS_G4X(dev) || IS_GEN5(dev) || IS_GEN6(dev) || IS_IVYBRIDGE(dev) ||
-           IS_VALLEYVIEW(dev)) {
+       if (IS_G4X(dev) || INTEL_INFO(dev)->gen >= 5) {
                dev->max_vblank_count = 0xffffffff; /* full 32 bit counter */
                dev->driver->get_vblank_counter = gm45_get_vblank_counter;
        }
@@ -2610,6 +2609,14 @@ void intel_irq_init(struct drm_device *dev)
                dev->driver->irq_uninstall = ironlake_irq_uninstall;
                dev->driver->enable_vblank = ivybridge_enable_vblank;
                dev->driver->disable_vblank = ivybridge_disable_vblank;
+       } else if (IS_HASWELL(dev)) {
+               /* Share interrupts handling with IVB */
+               dev->driver->irq_handler = ivybridge_irq_handler;
+               dev->driver->irq_preinstall = ironlake_irq_preinstall;
+               dev->driver->irq_postinstall = ivybridge_irq_postinstall;
+               dev->driver->irq_uninstall = ironlake_irq_uninstall;
+               dev->driver->enable_vblank = ivybridge_enable_vblank;
+               dev->driver->disable_vblank = ivybridge_disable_vblank;
        } else if (HAS_PCH_SPLIT(dev)) {
                dev->driver->irq_handler = ironlake_irq_handler;
                dev->driver->irq_preinstall = ironlake_irq_preinstall;