drm/i915/perf: leave GDT_CHICKEN_BITS programming in configs

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.landwerlin@intel.com>
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20170803165812.2373-4-lionel.g.landwerlin@intel.com

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

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 },

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

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 },

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 },

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 },

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 },

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 },

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 },

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 },

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);