From: Ville Syrjälä <[email protected]> Runtime suspends disabled all interrupts, so in order to get them back fully we need to also do the HPD irq setup on runtime resume. Except on VLV/CHV where the display interrupt initialization is part of the display power well powerup.
Signed-off-by: Ville Syrjälä <[email protected]> --- drivers/gpu/drm/i915/i915_drv.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c index 1d88745..4bbd3b7 100644 --- a/drivers/gpu/drm/i915/i915_drv.c +++ b/drivers/gpu/drm/i915/i915_drv.c @@ -1549,6 +1549,15 @@ static int intel_runtime_resume(struct device *device) gen6_update_ring_freq(dev); intel_runtime_pm_enable_interrupts(dev_priv); + + /* + * On VLV/CHV display interrupts are part of the display + * power well, so hpd is reinitialized from there. For + * everyone else do it here. + */ + if (!IS_VALLEYVIEW(dev_priv)) + intel_hpd_init(dev_priv); + intel_enable_gt_powersave(dev); if (ret) -- 2.4.6 _______________________________________________ Intel-gfx mailing list [email protected] http://lists.freedesktop.org/mailman/listinfo/intel-gfx
