[PATCH v2 7/9] drm/xe: Print more device information in devcoredump

[José Roberto de Souza]

To properly decode batch buffer Mesa tools needs to know what
platform is this one, for now we can do that with PCI id but
already making it future proof by also printing GTs GMD version.

Cc: Rodrigo Vivi <rodrigo.vivi at intel.com>
Cc: Maarten Lankhorst <dev at lankhorst.se>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi at intel.com>
Signed-off-by: José Roberto de Souza <jose.souza at intel.com>
---
 drivers/gpu/drm/xe/xe_devcoredump.c |  2 ++
 drivers/gpu/drm/xe/xe_device.c      | 20 ++++++++++++++++++++
 drivers/gpu/drm/xe/xe_device.h      |  2 ++
 3 files changed, 24 insertions(+)

diff --git a/drivers/gpu/drm/xe/xe_devcoredump.c b/drivers/gpu/drm/xe/xe_devcoredump.c
index a0e3732440ab5..6759728c2220e 100644
--- a/drivers/gpu/drm/xe/xe_devcoredump.c
+++ b/drivers/gpu/drm/xe/xe_devcoredump.c
@@ -63,6 +63,7 @@ static ssize_t xe_devcoredump_read(char *buffer, loff_t offset,
 				   size_t count, void *data, size_t datalen)
 {
 	struct xe_devcoredump *coredump = data;
+	struct xe_device *xe = coredump_to_xe(coredump);
 	struct xe_devcoredump_snapshot *ss;
 	struct drm_printer p;
 	struct drm_print_iterator iter;
@@ -89,6 +90,7 @@ static ssize_t xe_devcoredump_read(char *buffer, loff_t offset,
 	drm_printf(&p, "Snapshot time: %lld.%09ld\n", ts.tv_sec, ts.tv_nsec);
 	ts = ktime_to_timespec64(ss->boot_time);
 	drm_printf(&p, "Uptime: %lld.%09ld\n", ts.tv_sec, ts.tv_nsec);
+	xe_device_snapshot_print(xe, &p);
 
 	drm_printf(&p, "\n**** GuC CT ****\n");
 	xe_guc_ct_snapshot_print(coredump->snapshot.ct, &p);
diff --git a/drivers/gpu/drm/xe/xe_device.c b/drivers/gpu/drm/xe/xe_device.c
index b4cdcf1b2081a..5ee78183d6c04 100644
--- a/drivers/gpu/drm/xe/xe_device.c
+++ b/drivers/gpu/drm/xe/xe_device.c
@@ -742,3 +742,23 @@ u64 xe_device_uncanonicalize_addr(struct xe_device *xe, u64 address)
 {
 	return address & GENMASK_ULL(highest_address_bit_get(xe), 0);
 }
+
+void xe_device_snapshot_print(struct xe_device *xe, struct drm_printer *p)
+{
+	struct xe_gt *gt;
+	u8 id;
+
+	drm_printf(p, "PCI ID: 0x%04x\n", xe->info.devid);
+	drm_printf(p, "PCI revision: 0x%02x\n", xe->info.revid);
+
+	for_each_gt(gt, xe, id) {
+		drm_printf(p, "GT id: %u\n", id);
+		drm_printf(p, "\tType: %s\n",
+			   gt->info.type == XE_GT_TYPE_MAIN ? "main" : "media");
+		drm_printf(p, "\tIP ver: %u.%u.%u\n",
+			   REG_FIELD_GET(GMD_ID_ARCH_MASK, gt->info.gmdid),
+			   REG_FIELD_GET(GMD_ID_RELEASE_MASK, gt->info.gmdid),
+			   REG_FIELD_GET(GMD_ID_REVID, gt->info.gmdid));
+		drm_printf(p, "\tCS reference clock: %u\n", gt->info.reference_clock);
+	}
+}
diff --git a/drivers/gpu/drm/xe/xe_device.h b/drivers/gpu/drm/xe/xe_device.h
index ce20f6fe6219a..6212517328477 100644
--- a/drivers/gpu/drm/xe/xe_device.h
+++ b/drivers/gpu/drm/xe/xe_device.h
@@ -178,4 +178,6 @@ u32 xe_device_ccs_bytes(struct xe_device *xe, u64 size);
 u64 xe_device_canonicalize_addr(struct xe_device *xe, u64 address);
 u64 xe_device_uncanonicalize_addr(struct xe_device *xe, u64 address);
 
+void xe_device_snapshot_print(struct xe_device *xe, struct drm_printer *p);
+
 #endif
-- 
2.43.0