drm/i915/kbl: Enable PW1 and Misc I/O power wells

My kbl stopped working because of this.

Fixes regression from
commit 2f693e28b8df69f67beced5e18bb2b91c2bfcec2
Author: Damien Lespiau <damien.lespiau@intel.com>
Date:   Wed Nov 4 19:24:12 2015 +0200
    drm/i915: Make turning on/off PW1 and Misc I/O part of the init/fini
    sequences

Cc: Damien Lespiau <damien.lespiau@intel.com>
Cc: Paulo Zanoni <paulo.r.zanoni@intel.com>
Cc: Patrik Jakobsson <patrik.jakobsson@linux.intel.com>
Cc: Imre Deak <imre.deak@intel.com>
Signed-off-by: Michel Thierry <michel.thierry@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1452082116-16770-1-git-send-email-michel.thierry@intel.com
Reviewed-by: Damien Lespiau <damien.lespiau@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

diff --git a/drivers/gpu/drm/i915/intel_runtime_pm.c b/drivers/gpu/drm/i915/intel_runtime_pm.c
index ddbdbff..4b44e68 100644 (file)
--- a/drivers/gpu/drm/i915/intel_runtime_pm.c
+++ b/drivers/gpu/drm/i915/intel_runtime_pm.c
@@ -1851,7 +1851,7 @@ void skl_pw1_misc_io_init(struct drm_i915_private *dev_priv)
 {
        struct i915_power_well *well;
 
-       if (!IS_SKYLAKE(dev_priv))
+       if (!(IS_SKYLAKE(dev_priv) || IS_KABYLAKE(dev_priv)))
                return;
 
        well = lookup_power_well(dev_priv, SKL_DISP_PW_1);
@@ -1865,7 +1865,7 @@ void skl_pw1_misc_io_fini(struct drm_i915_private *dev_priv)
 {
        struct i915_power_well *well;
 
-       if (!IS_SKYLAKE(dev_priv))
+       if (!(IS_SKYLAKE(dev_priv) || IS_KABYLAKE(dev_priv)))
                return;
 
        well = lookup_power_well(dev_priv, SKL_DISP_PW_1);