drm/i915: Tweaked Wa_14010685332 for all PCHs
authorAnshuman Gupta <anshuman.gupta@intel.com>
Tue, 10 Aug 2021 11:31:12 +0000 (17:01 +0530)
committerAnshuman Gupta <anshuman.gupta@intel.com>
Thu, 12 Aug 2021 09:55:03 +0000 (15:25 +0530)
commit8b46cc6577f4bbef7e5909bb926da31d705f350f
tree6e18ae3a934a2989f79f23869179a73f949bb858
parentc5589bb5dccb0c5cb74910da93663f489589f3ce
drm/i915: Tweaked Wa_14010685332 for all PCHs

dispcnlunit1_cp_xosc_clkreq clock observed to be active on TGL-H platform
despite Wa_14010685332 original sequence,
thus blocks entry to deeper s0ix state.

The Tweaked Wa_14010685332 sequence fixes this issue, therefore use tweaked
Wa_14010685332 sequence for every PCH since PCH_CNP.

v2:
- removed RKL from comment and simplified condition. [Rodrigo]

Fixes: b896898c7369 ("drm/i915: Tweaked Wa_14010685332 for PCHs used on gen11 platforms")
Cc: Matt Roper <matthew.d.roper@intel.com>
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Cc: Imre Deak <imre.deak@intel.com>
Signed-off-by: Anshuman Gupta <anshuman.gupta@intel.com>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210810113112.31739-2-anshuman.gupta@intel.com
drivers/gpu/drm/i915/display/intel_display_power.c
drivers/gpu/drm/i915/i915_irq.c