From ae0c129d739ae82be1e5c553a5775e660260178f Mon Sep 17 00:00:00 2001
From: Matt Roper <matthew.d.roper@intel.com>
Date: Thu, 5 Aug 2021 09:36:44 -0700
Subject: drm/i915/xehpsdv: Read correct RP_STATE_CAP register
Git-commit: ad482232e3cc6d65eaeb19ce2412887458b19559
Patch-mainline: v5.16-rc1
References: jsc#PED-1166 jsc#PED-1168 jsc#PED-1170 jsc#PED-1218 jsc#PED-1220 jsc#PED-1222 jsc#PED-1223 jsc#PED-1225
The RP_STATE_CAP register is no longer part of the MCHBAR on XEHPSDV; this
register is now a per-tile register at GTTMMADDR offset 0x250014.
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210805163647.801064-7-matthew.d.roper@intel.com
Acked-by: Patrik Jakobsson <pjakobsson@suse.de>
---
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 6441387c58f5..172de6c9f949 100644
--- a/drivers/gpu/drm/i915/gt/intel_rps.c
+++ b/drivers/gpu/drm/i915/gt/intel_rps.c
@@ -2145,7 +2145,9 @@ 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_GEN9_LP(i915))
+ 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);
else
return intel_uncore_read(uncore, GEN6_RP_STATE_CAP);
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index 5f390111caff..2902adcd9e27 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -4123,6 +4123,7 @@ static inline bool i915_mmio_reg_valid(i915_reg_t reg)
#define RPN_CAP_MASK REG_GENMASK(23, 16)
#define BXT_RP_STATE_CAP _MMIO(0x138170)
#define GEN9_RP_STATE_LIMITS _MMIO(0x138148)
+#define XEHPSDV_RP_STATE_CAP _MMIO(0x250014)
/*
* Logical Context regs
--
2.38.1