We were apparently relying on the defaults on BDW, which resulted in no hotplug or AUX interrupts. References: https://bugs.freedesktop.org/show_bug.cgi?id=72834 References: https://bugs.freedesktop.org/show_bug.cgi?id=72833 Signed-off-by: Jesse Barnes <jbarnes@xxxxxxxxxxxxxxxx> --- drivers/gpu/drm/i915/i915_irq.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c index 261254a..f88e265 100644 --- a/drivers/gpu/drm/i915/i915_irq.c +++ b/drivers/gpu/drm/i915/i915_irq.c @@ -2763,13 +2763,15 @@ static void ibx_irq_postinstall(struct drm_device *dev) mask = SDE_GMBUS | SDE_AUX_MASK | SDE_TRANSB_FIFO_UNDER | SDE_TRANSA_FIFO_UNDER | SDE_POISON; } else { - mask = SDE_GMBUS_CPT | SDE_AUX_MASK_CPT | SDE_ERROR_CPT; + mask = SDE_GMBUS_CPT | SDE_AUX_MASK_CPT | SDE_ERROR_CPT | + SDE_HOTPLUG_MASK_CPT; I915_WRITE(SERR_INT, I915_READ(SERR_INT)); } I915_WRITE(SDEIIR, I915_READ(SDEIIR)); I915_WRITE(SDEIMR, ~mask); + I915_WRITE(SDEIER, mask); } static void gen5_gt_irq_postinstall(struct drm_device *dev) -- 1.8.3.2 _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/intel-gfx
