<html> <head> <base href="https://bugs.freedesktop.org/" /> </head> <body> <div> <a class="bz_bug_link bz_status_NEW " title="NEW --- - [Baytrail-M] brightness can't be adjusted: no ASLE interrupt code" href="https://bugs.freedesktop.org/show_bug.cgi?id=73252#c4">Comment # 4</a> on <a class="bz_bug_link bz_status_NEW " title="NEW --- - [Baytrail-M] brightness can't be adjusted: no ASLE interrupt code" href="https://bugs.freedesktop.org/show_bug.cgi?id=73252">bug 73252</a> from <a class="email" href="mailto:chris@chris-wilson.co.uk" title="Chris Wilson <chris@chris-wilson.co.uk>"> Chris Wilson</a> <pre>See intel_opregion_asle_intr(). However, the asle interrupt is no longer within pipestat and it is not clear which spec the display engine interrupts actually follow. It could be as simple as diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c index e95ec8d..69996ca 100644 --- a/drivers/gpu/drm/i915/i915_irq.c +++ b/drivers/gpu/drm/i915/i915_irq.c @@ -1499,6 +1499,9 @@ static irqreturn_t valleyview_irq_handler(int irq, void *arg) if (pm_iir) gen6_rps_irq_handler(dev_priv, pm_iir); + if (iir & DE_GSE_IVB) + intel_opregion_asle_intr(dev); + I915_WRITE(GTIIR, gt_iir); I915_WRITE(GEN6_PMIIR, pm_iir); I915_WRITE(VLV_IIR, iir); but it probably requires the guilty party to come forward with the actual information.</pre> </div> <hr> You are receiving this mail because: <ul> <li>You are the QA Contact for the bug.</li> <li>You are on the CC list for the bug.</li> <li>You are the assignee for the bug.</li> </ul> </body> </html>