drm/i915: Document that PPT==CPT and WPT==LPT

For our purposes PPT is equivalent to CPT, and WPT is equivalent to
LPT. Document that fact.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170620130310.13245-4-ville.syrjala@linux.intel.com
Reviewed-by: Jani Nikula <jani.nikula@intel.com>

diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 90cc63e5ced8c0518acb3b98f3bbddf4c1504db1..96372f6e9cacfc306e9a57931d496c00ae9225c5 100644 (file)
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -1150,8 +1150,8 @@ struct i915_psr {
 enum intel_pch {
        PCH_NONE = 0,   /* No PCH present */
        PCH_IBX,        /* Ibexpeak PCH */
-       PCH_CPT,        /* Cougarpoint PCH */
-       PCH_LPT,        /* Lynxpoint PCH */
+       PCH_CPT,        /* Cougarpoint/Pantherpoint PCH */
+       PCH_LPT,        /* Lynxpoint/Wildcatpoint PCH */
        PCH_SPT,        /* Sunrisepoint PCH */
        PCH_KBP,        /* Kabypoint PCH */
        PCH_CNP,        /* Cannonpoint PCH */