From: Matt Roper <matthew.d.roper@xxxxxxxxx> commit 1e1a139d62d1c11e3083c8638d31a9744bec3918 upstream. WaDisableDARBFClkGating, now known as Wa_14010480278, has been added to the workaround tables for ICL, EHL, and TGL so we need to extend our platform test accordingly. Bspec: 33450 Bspec: 33451 Bspec: 52890 Cc: stable@xxxxxxxxxxxxxxx Cc: Lucas De Marchi <lucas.demarchi@xxxxxxxxx> Cc: Matt Atwood <matthew.s.atwood@xxxxxxxxx> Cc: Radhakrishna Sripada <radhakrishna.sripada@xxxxxxxxx> Signed-off-by: Matt Roper <matthew.d.roper@xxxxxxxxx> Link: https://patchwork.freedesktop.org/patch/msgid/20191224012026.3157766-2-matthew.d.roper@xxxxxxxxx Reviewed-by: Lucas De Marchi <lucas.demarchi@xxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- drivers/gpu/drm/i915/display/intel_display.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) --- a/drivers/gpu/drm/i915/display/intel_display.c +++ b/drivers/gpu/drm/i915/display/intel_display.c @@ -16860,8 +16860,11 @@ get_encoder_power_domains(struct drm_i91 static void intel_early_display_was(struct drm_i915_private *dev_priv) { - /* Display WA #1185 WaDisableDARBFClkGating:cnl,glk */ - if (IS_CANNONLAKE(dev_priv) || IS_GEMINILAKE(dev_priv)) + /* + * Display WA #1185 WaDisableDARBFClkGating:cnl,glk,icl,ehl,tgl + * Also known as Wa_14010480278. + */ + if (IS_GEN_RANGE(dev_priv, 10, 12) || IS_GEMINILAKE(dev_priv)) I915_WRITE(GEN9_CLKGATE_DIS_0, I915_READ(GEN9_CLKGATE_DIS_0) | DARBF_GATING_DIS);