drm/i915/perf: complete programming whitelisting for XEHPSDV

We have an additional register to select which slices contribute to OAG/OAG counter increments. Signed-off-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com> Signed-off-by: Matt Roper <matthew.d.roper@intel.com> Reviewed-by: Ashutosh Dixit <ashutosh.dixit@intel.com> Signed-off-by: John Harrison <John.C.Harrison@Intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20221026222102.5526-16-umesh.nerlige.ramappa@intel.com
DDNStorage · Oct 27, 2022 · 0fa9349 · 0fa9349
1 parent 01e7427
commit 0fa9349
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Showing 4 changed files with 17 additions and 0 deletions.
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
@@ -903,6 +903,8 @@ 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
@@ -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
@@ -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
@@ -164,6 +164,7 @@ 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); \