[PATCH 04/11] drm/i915/pvc: Read correct RP_STATE_CAP register

[Matt Roper <matthew.d.roper@intel.com>]

The SoC registers, including RP_STATE_CAP, have moved to a new location
in GTTMMADR on Ponte Vecchio.  We need to update the register offset
accordingly.

Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
---
 drivers/gpu/drm/i915/gt/intel_rps.c | 4 +++-
 drivers/gpu/drm/i915/i915_reg.h     | 1 +
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/gt/intel_rps.c b/drivers/gpu/drm/i915/gt/intel_rps.c
index 3476a11f294c..3bd8415a0f1b 100644
--- a/drivers/gpu/drm/i915/gt/intel_rps.c
+++ b/drivers/gpu/drm/i915/gt/intel_rps.c
@@ -1075,7 +1075,9 @@ static u32 intel_rps_read_state_cap(struct intel_rps *rps)
 	struct drm_i915_private *i915 = rps_to_i915(rps);
 	struct intel_uncore *uncore = rps_to_uncore(rps);
 
-	if (IS_XEHPSDV(i915))
+	if (IS_PONTEVECCHIO(i915))
+		return intel_uncore_read(uncore, PVC_RP_STATE_CAP);
+	else if (IS_XEHPSDV(i915))
 		return intel_uncore_read(uncore, XEHPSDV_RP_STATE_CAP);
 	else if (IS_GEN9_LP(i915))
 		return intel_uncore_read(uncore, BXT_RP_STATE_CAP);
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index 9ccb67eec1bd..4a3d7b96ef43 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -1846,6 +1846,7 @@
 #define BXT_RP_STATE_CAP        _MMIO(0x138170)
 #define GEN9_RP_STATE_LIMITS	_MMIO(0x138148)
 #define XEHPSDV_RP_STATE_CAP	_MMIO(0x250014)
+#define PVC_RP_STATE_CAP	_MMIO(0x281014)
 
 #define GT0_PERF_LIMIT_REASONS		_MMIO(0x1381a8)
 #define   GT0_PERF_LIMIT_REASONS_MASK	0xde3
-- 
2.35.1