commit a8a56da71a13358528446f4903f6c939dd1d6a1d
author José Roberto de Souza <jose.souza@intel.com> Fri May 14 08:37:09 2021 -0700
committer Matt Roper <matthew.d.roper@intel.com> Fri May 14 19:48:38 2021 -0700
tree e05cb30d45fb1e7dca7f2646784fe697180aca9d
parent b2c6eaf27b508ce5f63e59e3cfb6ae0231685eee

drm/i915/adl_p: Implement Wa_22011091694

Adding a new hook to ADL-P just to avoid another platform check in
gen12lp_init_clock_gating() but also open to it.

BSpec: 54369
Cc: Matt Roper <matthew.d.roper@intel.com>
Cc: Anusha Srivatsa <anusha.srivatsa@intel.com>
Signed-off-by: José Roberto de Souza <jose.souza@intel.com>
Signed-off-by: Clinton Taylor <Clinton.A.Taylor@intel.com>
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Reviewed-by: Mika Kahola <mika.kahola@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210514153711.2359617-18-matthew.d.roper@intel.com

drivers/gpu/drm/i915/i915_reg.h

diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index 349cf95..07cca3b 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -4170,6 +4170,9 @@ enum {
 #define GEN9_CLKGATE_DIS_4		_MMIO(0x4653C)
 #define   BXT_GMBUS_GATING_DIS		(1 << 14)
 
+#define GEN9_CLKGATE_DIS_5		_MMIO(0x46540)
+#define   DPCE_GATING_DIS		REG_BIT(17)
+
 #define _CLKGATE_DIS_PSL_A		0x46520
 #define _CLKGATE_DIS_PSL_B		0x46524
 #define _CLKGATE_DIS_PSL_C		0x46528