[Intel-gfx] [PATCH v13 02/13] drm/i915/guc: Add XE_LP static registers for GuC error capture.

Alan Previn alan.previn.teres.alexis at intel.com
Mon Mar 21 16:45:16 UTC 2022


Add device specific tables and register lists to cover different engines
class types for GuC error state capture for XE_LP products.

Signed-off-by: Alan Previn <alan.previn.teres.alexis at intel.com>
Reviewed-by: Umesh Nerlige Ramappa <umesh.nerlige.ramappa at intel.com>
---
 .../gpu/drm/i915/gt/uc/intel_guc_capture.c    | 112 ++++++++++++++----
 drivers/gpu/drm/i915/gt/uc/intel_guc_fwif.h   |   6 +-
 2 files changed, 95 insertions(+), 23 deletions(-)

diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc_capture.c b/drivers/gpu/drm/i915/gt/uc/intel_guc_capture.c
index 4adfa14699d4..478308f33d34 100644
--- a/drivers/gpu/drm/i915/gt/uc/intel_guc_capture.c
+++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_capture.c
@@ -22,40 +22,106 @@
  * NOTE: For engine-registers, GuC only needs the register offsets
  *       from the engine-mmio-base
  */
+#define COMMON_GEN12BASE_GLOBAL \
+	{ GEN12_FAULT_TLB_DATA0,    0,      0, "GEN12_FAULT_TLB_DATA0" }, \
+	{ GEN12_FAULT_TLB_DATA1,    0,      0, "GEN12_FAULT_TLB_DATA1" }, \
+	{ FORCEWAKE_MT,             0,      0, "FORCEWAKE" }, \
+	{ GEN12_AUX_ERR_DBG,        0,      0, "AUX_ERR_DBG" }, \
+	{ GEN12_GAM_DONE,           0,      0, "GAM_DONE" }, \
+	{ GEN12_RING_FAULT_REG,     0,      0, "FAULT_REG" }
+
+#define COMMON_GEN12BASE_ENGINE_INSTANCE \
+	{ RING_PSMI_CTL(0),         0,      0, "RC PSMI" }, \
+	{ RING_ESR(0),              0,      0, "ESR" }, \
+	{ RING_DMA_FADD(0),         0,      0, "RING_DMA_FADD_LDW" }, \
+	{ RING_DMA_FADD_UDW(0),     0,      0, "RING_DMA_FADD_UDW" }, \
+	{ RING_IPEIR(0),            0,      0, "IPEIR" }, \
+	{ RING_IPEHR(0),            0,      0, "IPEHR" }, \
+	{ RING_INSTPS(0),           0,      0, "INSTPS" }, \
+	{ RING_BBADDR(0),           0,      0, "RING_BBADDR_LOW32" }, \
+	{ RING_BBADDR_UDW(0),       0,      0, "RING_BBADDR_UP32" }, \
+	{ RING_BBSTATE(0),          0,      0, "BB_STATE" }, \
+	{ CCID(0),                  0,      0, "CCID" }, \
+	{ RING_ACTHD(0),            0,      0, "ACTHD_LDW" }, \
+	{ RING_ACTHD_UDW(0),        0,      0, "ACTHD_UDW" }, \
+	{ RING_INSTPM(0),           0,      0, "INSTPM" }, \
+	{ RING_INSTDONE(0),         0,      0, "INSTDONE" }, \
+	{ RING_NOPID(0),            0,      0, "RING_NOPID" }, \
+	{ RING_START(0),            0,      0, "START" }, \
+	{ RING_HEAD(0),             0,      0, "HEAD" }, \
+	{ RING_TAIL(0),             0,      0, "TAIL" }, \
+	{ RING_CTL(0),              0,      0, "CTL" }, \
+	{ RING_MI_MODE(0),          0,      0, "MODE" }, \
+	{ RING_CONTEXT_CONTROL(0),  0,      0, "RING_CONTEXT_CONTROL" }, \
+	{ RING_HWS_PGA(0),          0,      0, "HWS" }, \
+	{ RING_MODE_GEN7(0),        0,      0, "GFX_MODE" }, \
+	{ GEN8_RING_PDP_LDW(0, 0),  0,      0, "PDP0_LDW" }, \
+	{ GEN8_RING_PDP_UDW(0, 0),  0,      0, "PDP0_UDW" }, \
+	{ GEN8_RING_PDP_LDW(0, 1),  0,      0, "PDP1_LDW" }, \
+	{ GEN8_RING_PDP_UDW(0, 1),  0,      0, "PDP1_UDW" }, \
+	{ GEN8_RING_PDP_LDW(0, 2),  0,      0, "PDP2_LDW" }, \
+	{ GEN8_RING_PDP_UDW(0, 2),  0,      0, "PDP2_UDW" }, \
+	{ GEN8_RING_PDP_LDW(0, 3),  0,      0, "PDP3_LDW" }, \
+	{ GEN8_RING_PDP_UDW(0, 3),  0,      0, "PDP3_UDW" }
+
+#define COMMON_GEN12BASE_HAS_EU \
+	{ EIR,                      0,      0, "EIR" }
+
+#define COMMON_GEN12BASE_RENDER \
+	{ GEN7_SC_INSTDONE,         0,      0, "GEN7_SC_INSTDONE" }, \
+	{ GEN12_SC_INSTDONE_EXTRA,  0,      0, "GEN12_SC_INSTDONE_EXTRA" }, \
+	{ GEN12_SC_INSTDONE_EXTRA2, 0,      0, "GEN12_SC_INSTDONE_EXTRA2" }
+
+#define COMMON_GEN12BASE_VEC \
+	{ GEN12_SFC_DONE(0),        0,      0, "SFC_DONE[0]" }, \
+	{ GEN12_SFC_DONE(1),        0,      0, "SFC_DONE[1]" }, \
+	{ GEN12_SFC_DONE(2),        0,      0, "SFC_DONE[2]" }, \
+	{ GEN12_SFC_DONE(3),        0,      0, "SFC_DONE[3]" }
+
 /* XE_LPD - Global */
 static const struct __guc_mmio_reg_descr xe_lpd_global_regs[] = {
-	{ GEN12_RING_FAULT_REG,     0,      0, "GEN12_RING_FAULT_REG" }
+	COMMON_GEN12BASE_GLOBAL,
 };
 
 /* XE_LPD - Render / Compute Per-Class */
 static const struct __guc_mmio_reg_descr xe_lpd_rc_class_regs[] = {
-	{ EIR,                      0,      0, "EIR" }
+	COMMON_GEN12BASE_HAS_EU,
+	COMMON_GEN12BASE_RENDER,
 };
 
 /* XE_LPD - Render / Compute Per-Engine-Instance */
 static const struct __guc_mmio_reg_descr xe_lpd_rc_inst_regs[] = {
-	{ RING_HEAD(0),             0,      0, "RING_HEAD" },
-	{ RING_TAIL(0),             0,      0, "RING_TAIL" },
+	COMMON_GEN12BASE_ENGINE_INSTANCE,
 };
 
 /* XE_LPD - Media Decode/Encode Per-Class */
 static const struct __guc_mmio_reg_descr xe_lpd_vd_class_regs[] = {
+	COMMON_GEN12BASE_ENGINE_INSTANCE,
 };
 
 /* XE_LPD - Media Decode/Encode Per-Engine-Instance */
 static const struct __guc_mmio_reg_descr xe_lpd_vd_inst_regs[] = {
-	{ RING_HEAD(0),             0,      0, "RING_HEAD" },
-	{ RING_TAIL(0),             0,      0, "RING_TAIL" },
+	COMMON_GEN12BASE_ENGINE_INSTANCE,
 };
 
 /* XE_LPD - Video Enhancement Per-Class */
 static const struct __guc_mmio_reg_descr xe_lpd_vec_class_regs[] = {
+	COMMON_GEN12BASE_VEC,
 };
 
 /* XE_LPD - Video Enhancement Per-Engine-Instance */
 static const struct __guc_mmio_reg_descr xe_lpd_vec_inst_regs[] = {
-	{ RING_HEAD(0),             0,      0, "RING_HEAD" },
-	{ RING_TAIL(0),             0,      0, "RING_TAIL" },
+	COMMON_GEN12BASE_ENGINE_INSTANCE,
+};
+
+/* XE_LPD - Blitter Per-Engine-Instance */
+static const struct __guc_mmio_reg_descr xe_lpd_blt_inst_regs[] = {
+	COMMON_GEN12BASE_ENGINE_INSTANCE,
+};
+
+/* XE_LPD - Blitter Per-Class */
+/* XE_LPD - Media Decode/Encode Per-Class */
+static const struct __guc_mmio_reg_descr empty_regs_list[] = {
 };
 
 #define TO_GCAP_DEF_OWNER(x) (GUC_CAPTURE_LIST_INDEX_##x)
@@ -74,10 +140,12 @@ static const struct __guc_mmio_reg_descr_group xe_lpd_lists[] = {
 	MAKE_REGLIST(xe_lpd_global_regs, PF, GLOBAL, 0),
 	MAKE_REGLIST(xe_lpd_rc_class_regs, PF, ENGINE_CLASS, GUC_RENDER_CLASS),
 	MAKE_REGLIST(xe_lpd_rc_inst_regs, PF, ENGINE_INSTANCE, GUC_RENDER_CLASS),
-	MAKE_REGLIST(xe_lpd_vd_class_regs, PF, ENGINE_CLASS, GUC_VIDEO_CLASS),
+	MAKE_REGLIST(empty_regs_list, PF, ENGINE_CLASS, GUC_VIDEO_CLASS),
 	MAKE_REGLIST(xe_lpd_vd_inst_regs, PF, ENGINE_INSTANCE, GUC_VIDEO_CLASS),
 	MAKE_REGLIST(xe_lpd_vec_class_regs, PF, ENGINE_CLASS, GUC_VIDEOENHANCE_CLASS),
 	MAKE_REGLIST(xe_lpd_vec_inst_regs, PF, ENGINE_INSTANCE, GUC_VIDEOENHANCE_CLASS),
+	MAKE_REGLIST(empty_regs_list, PF, ENGINE_CLASS, GUC_BLITTER_CLASS),
+	MAKE_REGLIST(xe_lpd_blt_inst_regs, PF, ENGINE_INSTANCE, GUC_BLITTER_CLASS),
 	{}
 };
 
@@ -191,20 +259,24 @@ guc_capture_list_init(struct intel_guc *guc, u32 owner, u32 type, u32 classid,
 		return -ENODEV;
 
 	match = guc_capture_get_one_list(reglists, owner, type, classid);
-	if (match) {
-		for (i = 0; i < num_entries && i < match->num_regs; ++i) {
-			ptr[i].offset = match->list[i].reg.reg;
-			ptr[i].value = 0xDEADF00D;
-			ptr[i].flags = match->list[i].flags;
-			ptr[i].mask = match->list[i].mask;
-		}
-		return 0;
+	if (!match) {
+		guc_capture_warn_with_list_info(i915, "Missing register list init", owner, type,
+						classid);
+		return -ENODATA;
+	}
+
+	for (i = 0; i < num_entries && i < match->num_regs; ++i) {
+		ptr[i].offset = match->list[i].reg.reg;
+		ptr[i].value = 0xDEADF00D;
+		ptr[i].flags = match->list[i].flags;
+		ptr[i].mask = match->list[i].mask;
 	}
 
-	guc_capture_warn_with_list_info(i915, "Missing register list init", owner, type,
-					classid);
+	if (i < num_entries)
+		drm_dbg(&i915->drm, "GuC-capture: Init reglist short %d out %d.\n",
+			(int)i, (int)num_entries);
 
-	return -ENODATA;
+	return 0;
 }
 
 static int
diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc_fwif.h b/drivers/gpu/drm/i915/gt/uc/intel_guc_fwif.h
index d18037493953..f21b6de46a99 100644
--- a/drivers/gpu/drm/i915/gt/uc/intel_guc_fwif.h
+++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_fwif.h
@@ -285,13 +285,13 @@ struct guc_mmio_reg {
 	u32 offset;
 	u32 value;
 	u32 flags;
-	u32 mask;
 #define GUC_REGSET_MASKED		BIT(0)
 #define GUC_REGSET_NEEDS_STEERING	BIT(1)
 #define GUC_REGSET_MASKED_WITH_VALUE	BIT(2)
 #define GUC_REGSET_RESTORE_ONLY		BIT(3)
-#define GUC_REGSET_STEERING_GROUP	GENMASK(15, 12)
-#define GUC_REGSET_STEERING_INSTANCE	GENMASK(23, 20)
+#define GUC_REGSET_STEERING_GROUP       GENMASK(15, 12)
+#define GUC_REGSET_STEERING_INSTANCE    GENMASK(23, 20)
+	u32 mask;
 } __packed;
 
 /* GuC register sets */
-- 
2.25.1



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