[Intel-gfx] [PATCH v6 15/16] drm/i915/perf: complete programming whitelisting for XEHPSDV

[Umesh Nerlige Ramappa]

From: Lionel Landwerlin <lionel.g.landwerlin at intel.com>

We have an additional register to select which slices contribute to
OAG/OAG counter increments.

Signed-off-by: Lionel Landwerlin <lionel.g.landwerlin at intel.com>
Signed-off-by: Matt Roper <matthew.d.roper at intel.com>
Reviewed-by: Ashutosh Dixit <ashutosh.dixit at intel.com>
---
 drivers/gpu/drm/i915/i915_drv.h          |  2 ++
 drivers/gpu/drm/i915/i915_pci.c          |  1 +
 drivers/gpu/drm/i915/i915_perf.c         | 13 +++++++++++++
 drivers/gpu/drm/i915/intel_device_info.h |  1 +
 4 files changed, 17 insertions(+)

diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 866edee7d5eb..36a09719b682 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -900,6 +900,8 @@ IS_SUBPLATFORM(const struct drm_i915_private *i915,
 
 #define HAS_OA_BPC_REPORTING(dev_priv) \
 	(INTEL_INFO(dev_priv)->has_oa_bpc_reporting)
+#define HAS_OA_SLICE_CONTRIB_LIMITS(dev_priv) \
+	(INTEL_INFO(dev_priv)->has_oa_slice_contrib_limits)
 
 /*
  * Set this flag, when platform requires 64K GTT page sizes or larger for
diff --git a/drivers/gpu/drm/i915/i915_pci.c b/drivers/gpu/drm/i915/i915_pci.c
index 449aa2421891..dcb2fcb4dd7c 100644
--- a/drivers/gpu/drm/i915/i915_pci.c
+++ b/drivers/gpu/drm/i915/i915_pci.c
@@ -1024,6 +1024,7 @@ static const struct intel_device_info adl_p_info = {
 	.has_logical_ring_elsq = 1, \
 	.has_mslice_steering = 1, \
 	.has_oa_bpc_reporting = 1, \
+	.has_oa_slice_contrib_limits = 1, \
 	.has_rc6 = 1, \
 	.has_reset_engine = 1, \
 	.has_rps = 1, \
diff --git a/drivers/gpu/drm/i915/i915_perf.c b/drivers/gpu/drm/i915/i915_perf.c
index b2766485888f..2db74b5a54cd 100644
--- a/drivers/gpu/drm/i915/i915_perf.c
+++ b/drivers/gpu/drm/i915/i915_perf.c
@@ -4261,6 +4261,11 @@ static const struct i915_range gen12_oa_b_counters[] = {
 	{}
 };
 
+static const struct i915_range xehp_oa_b_counters[] = {
+	{ .start = 0xdc48, .end = 0xdc48 },	/* OAA_ENABLE_REG */
+	{ .start = 0xdd00, .end = 0xdd48 },	/* OAG_LCE0_0 - OAA_LENABLE_REG */
+};
+
 static const struct i915_range gen7_oa_mux_regs[] = {
 	{ .start = 0x91b8, .end = 0x91cc },	/* OA_PERFCNT[1-2], OA_PERFMATRIX */
 	{ .start = 0x9800, .end = 0x9888 },	/* MICRO_BP0_0 - NOA_WRITE */
@@ -4335,6 +4340,12 @@ static bool gen12_is_valid_b_counter_addr(struct i915_perf *perf, u32 addr)
 	return reg_in_range_table(addr, gen12_oa_b_counters);
 }
 
+static bool xehp_is_valid_b_counter_addr(struct i915_perf *perf, u32 addr)
+{
+	return reg_in_range_table(addr, xehp_oa_b_counters) ||
+		reg_in_range_table(addr, gen12_oa_b_counters);
+}
+
 static bool gen12_is_valid_mux_addr(struct i915_perf *perf, u32 addr)
 {
 	return reg_in_range_table(addr, gen12_oa_mux_regs);
@@ -4847,6 +4858,8 @@ void i915_perf_init(struct drm_i915_private *i915)
 			perf->ops.oa_hw_tail_read = gen8_oa_hw_tail_read;
 		} else if (GRAPHICS_VER(i915) == 12) {
 			perf->ops.is_valid_b_counter_reg =
+				HAS_OA_SLICE_CONTRIB_LIMITS(i915) ?
+				xehp_is_valid_b_counter_addr :
 				gen12_is_valid_b_counter_addr;
 			perf->ops.is_valid_mux_reg =
 				gen12_is_valid_mux_addr;
diff --git a/drivers/gpu/drm/i915/intel_device_info.h b/drivers/gpu/drm/i915/intel_device_info.h
index 42218c8d85f2..e292c1ee7c93 100644
--- a/drivers/gpu/drm/i915/intel_device_info.h
+++ b/drivers/gpu/drm/i915/intel_device_info.h
@@ -165,6 +165,7 @@ enum intel_ppgtt_type {
 	func(has_media_ratio_mode); \
 	func(has_mslice_steering); \
 	func(has_oa_bpc_reporting); \
+	func(has_oa_slice_contrib_limits); \
 	func(has_one_eu_per_fuse_bit); \
 	func(has_pxp); \
 	func(has_rc6); \
-- 
2.25.1