From c5cc0bf870cfb80b27899e916b4397ce11c61d96 Mon Sep 17 00:00:00 2001
From: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Date: Sun, 2 Jun 2019 01:58:45 +0300
Subject: [PATCH] drm/i915/perf: fix whitelist on Gen10+
Git-commit: c5cc0bf870cfb80b27899e916b4397ce11c61d96
Patch-mainline: v5.2-rc5
No-fix: bf210f6c9e6fd8dc0d154ad18f741f20e64a3fce
References: bsc#1051510
Gen10 added an additional NOA_WRITE register (high bits) and we forgot
to whitelist it for userspace.
Fixes: 95690a02fb5d96 ("drm/i915/perf: enable perf support on CNL")
Signed-off-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20190601225845.12600-1-lionel.g.landwerlin@intel.com
(cherry picked from commit bf210f6c9e6fd8dc0d154ad18f741f20e64a3fce)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Acked-by: Takashi Iwai <tiwai@suse.de>
---
drivers/gpu/drm/i915/i915_perf.c | 1 +
drivers/gpu/drm/i915/i915_reg.h | 1 +
2 files changed, 2 insertions(+)
diff --git a/drivers/gpu/drm/i915/i915_perf.c b/drivers/gpu/drm/i915/i915_perf.c
index 39a4804091d7..dc4ce694c06a 100644
--- a/drivers/gpu/drm/i915/i915_perf.c
+++ b/drivers/gpu/drm/i915/i915_perf.c
@@ -3005,6 +3005,7 @@ static bool gen8_is_valid_mux_addr(struct drm_i915_private *dev_priv, u32 addr)
static bool gen10_is_valid_mux_addr(struct drm_i915_private *dev_priv, u32 addr)
{
return gen8_is_valid_mux_addr(dev_priv, addr) ||
+ addr == i915_mmio_reg_offset(GEN10_NOA_WRITE_HIGH) ||
(addr >= i915_mmio_reg_offset(OA_PERFCNT3_LO) &&
addr <= i915_mmio_reg_offset(OA_PERFCNT4_HI));
}
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index 2aa69d347ec4..13d6bd4e17b2 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -1062,6 +1062,7 @@ static inline bool i915_mmio_reg_valid(i915_reg_t reg)
#define NOA_DATA _MMIO(0x986C)
#define NOA_WRITE _MMIO(0x9888)
+#define GEN10_NOA_WRITE_HIGH _MMIO(0x9884)
#define _GEN7_PIPEA_DE_LOAD_SL 0x70068
#define _GEN7_PIPEB_DE_LOAD_SL 0x71068
--
2.16.4