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-rw-r--r--drivers/gpu/drm/i915/i915_drv.h4
-rw-r--r--drivers/gpu/drm/i915/i915_gpu_error.c92
2 files changed, 67 insertions, 29 deletions
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 9112bdfd7b4b..00adf493c40d 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -529,6 +529,8 @@ struct drm_i915_error_state {
u32 execlist_csb[6];
u32 execlist_ctx[6];
+ u64 ctx_desc;
+
struct drm_i915_error_object {
int page_count;
u64 gtt_offset;
@@ -539,7 +541,7 @@ struct drm_i915_error_state {
struct drm_i915_error_object *wa_ctx;
struct drm_i915_error_request {
- uint64_t ctx_desc;
+ u64 ctx_desc;
long jiffies;
u32 seqno;
u32 tail;
diff --git a/drivers/gpu/drm/i915/i915_gpu_error.c b/drivers/gpu/drm/i915/i915_gpu_error.c
index 1bd5e2388508..276814764d99 100644
--- a/drivers/gpu/drm/i915/i915_gpu_error.c
+++ b/drivers/gpu/drm/i915/i915_gpu_error.c
@@ -303,32 +303,61 @@ static void i915_ring_error_state(struct drm_i915_error_state_buf *m,
hangcheck_action_to_str(ring->hangcheck_action),
ring->hangcheck_score);
- err_printf(m, " EXECLIST_STATUS: 0x%08x\n", ring->execlist_status);
- err_printf(m, " EXECLIST_CTX_ID: 0x%08x\n", ring->execlist_ctx_id);
- err_printf(m, " EXECLIST_CSBPTR: 0x%08x\n", ring->execlist_csb_raw_pointer);
- err_printf(m, " EXECLIST_CSB_WR: 0x%08x\n", ring->execlist_csb_write_pointer);
- err_printf(m, " EXECLIST_CSB_RD: 0x%08x\n", ring->execlist_csb_read_pointer);
+ {
+ u32 csb_rd = (ring->execlist_csb_raw_pointer >> 8) & 7;
+
+ err_printf(m, " EXECLIST_STATUS: 0x%08x\n", ring->execlist_status);
+ err_printf(m, " EXECLIST_CTX_ID: 0x%08x\n", ring->execlist_ctx_id);
+ err_printf(m, " EXECLIST_CSBPTR: 0x%08x\n", ring->execlist_csb_raw_pointer);
+ err_printf(m, " EXECLIST_CSB_WR: %d\n", ring->execlist_csb_write_pointer);
+ err_printf(m, " EXECLIST_CSB_RD: %d\n", csb_rd);
+ err_printf(m, " EXECLIST_SWL_RD: %d\n", ring->execlist_csb_read_pointer);
+
+ for (i = 1; i <= 6; ++i) {
+ int n = (ring->execlist_csb_write_pointer + i) % 6;
+ u32 ctxid = ring->execlist_ctx[n];
+ u32 csb = ring->execlist_csb[n];
+ u32 tag = 0;
+ char dot = '.';
+
+ err_printf(m, " EXECLIST_CTX/CSB[%d]: ", n);
+
+ if (ctxid && i915.enable_guc_submission) {
+ /* GuC CtxID is ring + flags + (lrca >> 12) */
+ tag = ((ring_idx << 9) | 1);
+ }
+ if ((ctxid >> 20) != tag)
+ dot = '?'; /* flag unexpected value */
+ err_printf(m, "0x%03x%c%05x / ",
+ ctxid >> 20, dot, ctxid & 0x000fffff);
+/* CSB status bits */
#define GEN8_CTX_STATUS_IDLE_ACTIVE (1 << 0)
#define GEN8_CTX_STATUS_PREEMPTED (1 << 1)
#define GEN8_CTX_STATUS_ELEMENT_SWITCH (1 << 2)
#define GEN8_CTX_STATUS_ACTIVE_IDLE (1 << 3)
#define GEN8_CTX_STATUS_COMPLETE (1 << 4)
#define GEN8_CTX_STATUS_LITE_RESTORE (1 << 15)
-
- for (i = 1; i <= 6; ++i) {
- int n = (ring->execlist_csb_write_pointer + i) % 6;
- u32 csb = ring->execlist_csb[n];
-
- err_printf(m, " EXECLIST_CTX/CSB[%d]: 0x%08x 0x%08x ",
- n, ring->execlist_ctx[n], csb);
- err_printf(m, "%s %s %s %s %s %s\n",
- csb & GEN8_CTX_STATUS_IDLE_ACTIVE ? "I->A" : " ",
- csb & GEN8_CTX_STATUS_PREEMPTED ? "PRMT" : " ",
- csb & GEN8_CTX_STATUS_ELEMENT_SWITCH ? "ELSW" : " ",
- csb & GEN8_CTX_STATUS_ACTIVE_IDLE ? "A->I" : " ",
- csb & GEN8_CTX_STATUS_COMPLETE ? "DONE" : " ",
- csb & GEN8_CTX_STATUS_LITE_RESTORE ? "LITE" : " ");
+#define GEN8_CTX_STATUS_UNKNOWN (~0x0000801f) /* any other */
+
+ err_printf(m, "0x%08x %s %s %s %s %s %s %s\n",
+ csb,
+ csb & GEN8_CTX_STATUS_IDLE_ACTIVE ? "I->A" : " ",
+ csb & GEN8_CTX_STATUS_PREEMPTED ? "PRMT" : " ",
+ csb & GEN8_CTX_STATUS_ELEMENT_SWITCH ? "ELSW" : " ",
+ csb & GEN8_CTX_STATUS_ACTIVE_IDLE ? "A->I" : " ",
+ csb & GEN8_CTX_STATUS_COMPLETE ? "DONE" : " ",
+ csb & GEN8_CTX_STATUS_LITE_RESTORE ? "LITE" : " ",
+ csb & GEN8_CTX_STATUS_UNKNOWN ? " +? " : " ");
+
+ if (i != 6) {
+ if (n == csb_rd)
+ err_printf(m, " *RD*\n");
+ else if (n == ring->execlist_csb_read_pointer &&
+ !i915.enable_guc_submission)
+ err_printf(m, " *SW*\n");
+ }
+ }
}
}
@@ -495,9 +524,11 @@ int i915_error_state_to_str(struct drm_i915_error_state_buf *m,
}
if ((obj = error->ring[i].req_ringbuffer)) {
- err_printf(m, "%s --- ringbuffer = 0x%08x\n",
+ err_printf(m, "%s --- ringbuffer = 0x%08x (ctx_desc 0x%08x_%08x)\n",
dev_priv->engine[i].name,
- lower_32_bits(obj->gtt_offset));
+ lower_32_bits(obj->gtt_offset),
+ upper_32_bits(error->ring[i].ctx_desc),
+ lower_32_bits(error->ring[i].ctx_desc));
print_error_obj(m, obj);
}
@@ -1034,8 +1065,8 @@ static void i915_record_ring_state(struct drm_device *dev,
u8 write_pointer = status_pointer & 0x07;
u8 read_pointer = engine->next_context_status_buffer;
- if (read_pointer > write_pointer)
- write_pointer += 6;
+// if (read_pointer > write_pointer)
+// write_pointer += 6;
ering->execlist_status = I915_READ(RING_EXECLIST_STATUS_LO(engine));
ering->execlist_ctx_id = I915_READ(RING_EXECLIST_STATUS_HI(engine));
@@ -1085,6 +1116,7 @@ static void i915_gem_record_rings(struct drm_device *dev,
{
struct drm_i915_private *dev_priv = dev->dev_private;
struct drm_i915_gem_request *request;
+ u64 ctx_desc;
int i, count;
for (i = 0; i < I915_NUM_ENGINES; i++) {
@@ -1141,16 +1173,20 @@ static void i915_gem_record_rings(struct drm_device *dev,
* for it to be useful (e.g. dump the context being
* executed).
*/
- if (request)
- rbuf = request->ctx->engine[engine->id].ringbuf;
- else
- rbuf = dev_priv->kernel_context->engine[engine->id].ringbuf;
- } else
+ struct intel_context *ctx;
+
+ ctx = request ? request->ctx : dev_priv->kernel_context;
+ ctx_desc = intel_lr_context_descriptor(ctx, engine);
+ rbuf = ctx->engine[engine->id].ringbuf;
+ } else {
+ ctx_desc = 0;
rbuf = engine->buffer;
+ }
error->ring[i].cpu_ring_head = rbuf->head;
error->ring[i].cpu_ring_tail = rbuf->tail;
+ error->ring[i].ctx_desc = ctx_desc;
error->ring[i].req_ringbuffer =
i915_error_ggtt_object_create(dev_priv, rbuf->obj);
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-21 19:06:44 +0000