There will be a need for userspaces configurations to set this
register. We can apply the same model inside the kernel for test
configs.

Signed-off-by: Lionel Landwerlin <lionel.g.landwer...@intel.com>
---
 drivers/gpu/drm/i915/i915_oa_bdw.c    | 2 ++
 drivers/gpu/drm/i915/i915_oa_bxt.c    | 1 +
 drivers/gpu/drm/i915/i915_oa_chv.c    | 2 ++
 drivers/gpu/drm/i915/i915_oa_glk.c    | 1 +
 drivers/gpu/drm/i915/i915_oa_hsw.c    | 1 +
 drivers/gpu/drm/i915/i915_oa_kblgt2.c | 1 +
 drivers/gpu/drm/i915/i915_oa_kblgt3.c | 1 +
 drivers/gpu/drm/i915/i915_oa_sklgt2.c | 1 +
 drivers/gpu/drm/i915/i915_oa_sklgt3.c | 1 +
 drivers/gpu/drm/i915/i915_oa_sklgt4.c | 1 +
 drivers/gpu/drm/i915/i915_perf.c      | 7 -------
 11 files changed, 12 insertions(+), 7 deletions(-)

diff --git a/drivers/gpu/drm/i915/i915_oa_bdw.c 
b/drivers/gpu/drm/i915/i915_oa_bdw.c
index 187067001179..abdf4d0abcce 100644
--- a/drivers/gpu/drm/i915/i915_oa_bdw.c
+++ b/drivers/gpu/drm/i915/i915_oa_bdw.c
@@ -60,6 +60,7 @@ static const struct i915_oa_reg flex_eu_config_test_oa[] = {
 };
 
 static const struct i915_oa_reg mux_config_test_oa[] = {
+       { _MMIO(0x9840), 0x000000a0 },
        { _MMIO(0x9888), 0x198b0000 },
        { _MMIO(0x9888), 0x078b0066 },
        { _MMIO(0x9888), 0x118b0000 },
@@ -72,6 +73,7 @@ static const struct i915_oa_reg mux_config_test_oa[] = {
        { _MMIO(0x9888), 0x4f800000 },
        { _MMIO(0x9888), 0x41800000 },
        { _MMIO(0x9888), 0x31800000 },
+       { _MMIO(0x9840), 0x00000080 },
 };
 
 static ssize_t
diff --git a/drivers/gpu/drm/i915/i915_oa_bxt.c 
b/drivers/gpu/drm/i915/i915_oa_bxt.c
index d52074429def..b69b900de0fe 100644
--- a/drivers/gpu/drm/i915/i915_oa_bxt.c
+++ b/drivers/gpu/drm/i915/i915_oa_bxt.c
@@ -60,6 +60,7 @@ static const struct i915_oa_reg flex_eu_config_test_oa[] = {
 };
 
 static const struct i915_oa_reg mux_config_test_oa[] = {
+       { _MMIO(0x9840), 0x00000080 },
        { _MMIO(0x9888), 0x19800000 },
        { _MMIO(0x9888), 0x07800063 },
        { _MMIO(0x9888), 0x11800000 },
diff --git a/drivers/gpu/drm/i915/i915_oa_chv.c 
b/drivers/gpu/drm/i915/i915_oa_chv.c
index b4832a0fefaa..322a3f94cd16 100644
--- a/drivers/gpu/drm/i915/i915_oa_chv.c
+++ b/drivers/gpu/drm/i915/i915_oa_chv.c
@@ -60,6 +60,7 @@ static const struct i915_oa_reg flex_eu_config_test_oa[] = {
 };
 
 static const struct i915_oa_reg mux_config_test_oa[] = {
+       { _MMIO(0x9840), 0x000000a0 },
        { _MMIO(0x9888), 0x59800000 },
        { _MMIO(0x9888), 0x59800001 },
        { _MMIO(0x9888), 0x338b0000 },
@@ -71,6 +72,7 @@ static const struct i915_oa_reg mux_config_test_oa[] = {
        { _MMIO(0x9888), 0x57800000 },
        { _MMIO(0x1823a4), 0x00000000 },
        { _MMIO(0x9888), 0x59800000 },
+       { _MMIO(0x9840), 0x00000080 },
 };
 
 static ssize_t
diff --git a/drivers/gpu/drm/i915/i915_oa_glk.c 
b/drivers/gpu/drm/i915/i915_oa_glk.c
index f0dbab5d19e0..4ee527e4c926 100644
--- a/drivers/gpu/drm/i915/i915_oa_glk.c
+++ b/drivers/gpu/drm/i915/i915_oa_glk.c
@@ -60,6 +60,7 @@ static const struct i915_oa_reg flex_eu_config_test_oa[] = {
 };
 
 static const struct i915_oa_reg mux_config_test_oa[] = {
+       { _MMIO(0x9840), 0x00000080 },
        { _MMIO(0x9888), 0x19800000 },
        { _MMIO(0x9888), 0x07800063 },
        { _MMIO(0x9888), 0x11800000 },
diff --git a/drivers/gpu/drm/i915/i915_oa_hsw.c 
b/drivers/gpu/drm/i915/i915_oa_hsw.c
index 867ec16dd831..56b03773bb9d 100644
--- a/drivers/gpu/drm/i915/i915_oa_hsw.c
+++ b/drivers/gpu/drm/i915/i915_oa_hsw.c
@@ -42,6 +42,7 @@ static const struct i915_oa_reg flex_eu_config_render_basic[] 
= {
 };
 
 static const struct i915_oa_reg mux_config_render_basic[] = {
+       { _MMIO(0x9840), 0x00000080 },
        { _MMIO(0x253a4), 0x01600000 },
        { _MMIO(0x25440), 0x00100000 },
        { _MMIO(0x25128), 0x00000000 },
diff --git a/drivers/gpu/drm/i915/i915_oa_kblgt2.c 
b/drivers/gpu/drm/i915/i915_oa_kblgt2.c
index 2e8700c74227..b6e7cc774136 100644
--- a/drivers/gpu/drm/i915/i915_oa_kblgt2.c
+++ b/drivers/gpu/drm/i915/i915_oa_kblgt2.c
@@ -60,6 +60,7 @@ static const struct i915_oa_reg flex_eu_config_test_oa[] = {
 };
 
 static const struct i915_oa_reg mux_config_test_oa[] = {
+       { _MMIO(0x9840), 0x00000080 },
        { _MMIO(0x9888), 0x11810000 },
        { _MMIO(0x9888), 0x07810013 },
        { _MMIO(0x9888), 0x1f810000 },
diff --git a/drivers/gpu/drm/i915/i915_oa_kblgt3.c 
b/drivers/gpu/drm/i915/i915_oa_kblgt3.c
index ea524e024c72..5576afdd9a7e 100644
--- a/drivers/gpu/drm/i915/i915_oa_kblgt3.c
+++ b/drivers/gpu/drm/i915/i915_oa_kblgt3.c
@@ -60,6 +60,7 @@ static const struct i915_oa_reg flex_eu_config_test_oa[] = {
 };
 
 static const struct i915_oa_reg mux_config_test_oa[] = {
+       { _MMIO(0x9840), 0x00000080 },
        { _MMIO(0x9888), 0x11810000 },
        { _MMIO(0x9888), 0x07810013 },
        { _MMIO(0x9888), 0x1f810000 },
diff --git a/drivers/gpu/drm/i915/i915_oa_sklgt2.c 
b/drivers/gpu/drm/i915/i915_oa_sklgt2.c
index 93267e55f190..890d55879946 100644
--- a/drivers/gpu/drm/i915/i915_oa_sklgt2.c
+++ b/drivers/gpu/drm/i915/i915_oa_sklgt2.c
@@ -59,6 +59,7 @@ static const struct i915_oa_reg flex_eu_config_test_oa[] = {
 };
 
 static const struct i915_oa_reg mux_config_test_oa[] = {
+       { _MMIO(0x9840), 0x00000080 },
        { _MMIO(0x9888), 0x11810000 },
        { _MMIO(0x9888), 0x07810016 },
        { _MMIO(0x9888), 0x1f810000 },
diff --git a/drivers/gpu/drm/i915/i915_oa_sklgt3.c 
b/drivers/gpu/drm/i915/i915_oa_sklgt3.c
index 2e342b4bc3a5..85e51addf86a 100644
--- a/drivers/gpu/drm/i915/i915_oa_sklgt3.c
+++ b/drivers/gpu/drm/i915/i915_oa_sklgt3.c
@@ -60,6 +60,7 @@ static const struct i915_oa_reg flex_eu_config_test_oa[] = {
 };
 
 static const struct i915_oa_reg mux_config_test_oa[] = {
+       { _MMIO(0x9840), 0x00000080 },
        { _MMIO(0x9888), 0x11810000 },
        { _MMIO(0x9888), 0x07810013 },
        { _MMIO(0x9888), 0x1f810000 },
diff --git a/drivers/gpu/drm/i915/i915_oa_sklgt4.c 
b/drivers/gpu/drm/i915/i915_oa_sklgt4.c
index f933f497c15a..bce031ee4445 100644
--- a/drivers/gpu/drm/i915/i915_oa_sklgt4.c
+++ b/drivers/gpu/drm/i915/i915_oa_sklgt4.c
@@ -60,6 +60,7 @@ static const struct i915_oa_reg flex_eu_config_test_oa[] = {
 };
 
 static const struct i915_oa_reg mux_config_test_oa[] = {
+       { _MMIO(0x9840), 0x00000080 },
        { _MMIO(0x9888), 0x11810000 },
        { _MMIO(0x9888), 0x07810013 },
        { _MMIO(0x9888), 0x1f810000 },
diff --git a/drivers/gpu/drm/i915/i915_perf.c b/drivers/gpu/drm/i915/i915_perf.c
index 07d53b10a258..ad84260de949 100644
--- a/drivers/gpu/drm/i915/i915_perf.c
+++ b/drivers/gpu/drm/i915/i915_perf.c
@@ -1456,9 +1456,6 @@ static void config_oa_regs(struct drm_i915_private 
*dev_priv,
 static int hsw_enable_metric_set(struct drm_i915_private *dev_priv,
                                 const struct i915_oa_config *oa_config)
 {
-       I915_WRITE(GDT_CHICKEN_BITS, (I915_READ(GDT_CHICKEN_BITS) |
-                                     GT_NOA_ENABLE));
-
        /* PRM:
         *
         * OA unit is using “crclk” for its functionality. When trunk
@@ -1818,12 +1815,8 @@ static int gen8_enable_metric_set(struct 
drm_i915_private *dev_priv,
        if (ret)
                return ret;
 
-       I915_WRITE(GDT_CHICKEN_BITS, 0xA0);
-
        config_oa_regs(dev_priv, oa_config->mux_regs, oa_config->mux_regs_len);
 
-       I915_WRITE(GDT_CHICKEN_BITS, 0x80);
-
        config_oa_regs(dev_priv, oa_config->b_counter_regs,
                       oa_config->b_counter_regs_len);
 
-- 
2.13.3

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