[PATCH v3 5/9] 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 fd74dae292433..e701f0d07b676 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 ab417f4f7d2a7..6faa7865b1aab 100644
--- a/drivers/gpu/drm/xe/xe_device.c
+++ b/drivers/gpu/drm/xe/xe_device.c
@@ -727,3 +727,23 @@ void xe_device_mem_access_put(struct xe_device *xe)
 
 	xe_assert(xe, ref >= 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 af8ac2e9e2709..270124da1e00e 100644
--- a/drivers/gpu/drm/xe/xe_device.h
+++ b/drivers/gpu/drm/xe/xe_device.h
@@ -175,4 +175,6 @@ static inline bool xe_device_has_memirq(struct xe_device *xe)
 
 u32 xe_device_ccs_bytes(struct xe_device *xe, u64 size);
 
+void xe_device_snapshot_print(struct xe_device *xe, struct drm_printer *p);
+
 #endif
-- 
2.43.0