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[v7,19/20] drm/i915: Watchdog timeout: Include threshold value in error state

Message ID 20170427231300.32841-20-michel.thierry@intel.com (mailing list archive)
State New, archived
Headers show

Commit Message

Michel Thierry April 27, 2017, 11:12 p.m. UTC
Save the watchdog threshold (in us) as part of the engine state.

Signed-off-by: Michel Thierry <michel.thierry@intel.com>
---
 drivers/gpu/drm/i915/i915_drv.h       |  1 +
 drivers/gpu/drm/i915/i915_gpu_error.c | 11 +++++++----
 2 files changed, 8 insertions(+), 4 deletions(-)
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Patch

diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 7a64f67974cb..aaa7d3d96bda 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -1022,6 +1022,7 @@  struct i915_gpu_state {
 			int ban_score;
 			int active;
 			int guilty;
+			int watchdog_threshold;
 		} context;
 
 		struct drm_i915_error_object {
diff --git a/drivers/gpu/drm/i915/i915_gpu_error.c b/drivers/gpu/drm/i915/i915_gpu_error.c
index a2ffb1ef2cfa..1b1a49bc0c3c 100644
--- a/drivers/gpu/drm/i915/i915_gpu_error.c
+++ b/drivers/gpu/drm/i915/i915_gpu_error.c
@@ -388,9 +388,10 @@  static void error_print_context(struct drm_i915_error_state_buf *m,
 				const char *header,
 				const struct drm_i915_error_context *ctx)
 {
-	err_printf(m, "%s%s[%d] user_handle %d hw_id %d, ban score %d guilty %d active %d\n",
+	err_printf(m, "%s%s[%d] user_handle %d hw_id %d, ban score %d guilty %d active %d, watchdog %dus\n",
 		   header, ctx->comm, ctx->pid, ctx->handle, ctx->hw_id,
-		   ctx->ban_score, ctx->guilty, ctx->active);
+		   ctx->ban_score, ctx->guilty, ctx->active,
+		   watchdog_to_us(m->i915, ctx->watchdog_threshold));
 }
 
 static void error_print_engine(struct drm_i915_error_state_buf *m,
@@ -1344,7 +1345,8 @@  static void error_record_engine_execlists(struct intel_engine_cs *engine,
 }
 
 static void record_context(struct drm_i915_error_context *e,
-			   struct i915_gem_context *ctx)
+			   struct i915_gem_context *ctx,
+			   u32 engine_id)
 {
 	if (ctx->pid) {
 		struct task_struct *task;
@@ -1363,6 +1365,7 @@  static void record_context(struct drm_i915_error_context *e,
 	e->ban_score = ctx->ban_score;
 	e->guilty = ctx->guilty_count;
 	e->active = ctx->active_count;
+	e->watchdog_threshold =	ctx->engine[engine_id].watchdog_threshold;
 }
 
 static void request_record_user_bo(struct drm_i915_gem_request *request,
@@ -1426,7 +1429,7 @@  static void i915_gem_record_rings(struct drm_i915_private *dev_priv,
 			ee->vm = request->ctx->ppgtt ?
 				&request->ctx->ppgtt->base : &ggtt->base;
 
-			record_context(&ee->context, request->ctx);
+			record_context(&ee->context, request->ctx, engine->id);
 
 			/* We need to copy these to an anonymous buffer
 			 * as the simplest method to avoid being overwritten