[PATCH 07/21] drm/i915/gem: Set the watchdog timeout directly in intel_context_set_gem

[Jason Ekstrand]

Instead of handling it like a context param, unconditionally set it when
intel_contexts are created.  This doesn't fix anything but does simplify
the code a bit.

Signed-off-by: Jason Ekstrand <jason at jlekstrand.net>
---
 drivers/gpu/drm/i915/gem/i915_gem_context.c   | 43 +++----------------
 .../gpu/drm/i915/gem/i915_gem_context_types.h |  4 --
 drivers/gpu/drm/i915/gt/intel_context_param.h |  3 +-
 3 files changed, 6 insertions(+), 44 deletions(-)

diff --git a/drivers/gpu/drm/i915/gem/i915_gem_context.c b/drivers/gpu/drm/i915/gem/i915_gem_context.c
index 0b35ab9509cb2..aca6974de23f3 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_context.c
+++ b/drivers/gpu/drm/i915/gem/i915_gem_context.c
@@ -231,7 +231,11 @@ static void intel_context_set_gem(struct intel_context *ce,
 	    intel_engine_has_timeslices(ce->engine))
 		__set_bit(CONTEXT_USE_SEMAPHORES, &ce->flags);
 
-	intel_context_set_watchdog_us(ce, ctx->watchdog.timeout_us);
+	if (IS_ACTIVE(CONFIG_DRM_I915_REQUEST_TIMEOUT) &&
+	    ctx->i915->params.request_timeout_ms) {
+		unsigned int timeout_ms = ctx->i915->params.request_timeout_ms;
+		intel_context_set_watchdog_us(ce, (u64)timeout_ms * 1000);
+	}
 }
 
 static void __free_engines(struct i915_gem_engines *e, unsigned int count)
@@ -759,41 +763,6 @@ static void __assign_ppgtt(struct i915_gem_context *ctx,
 		i915_vm_close(vm);
 }
 
-static int __apply_watchdog(struct intel_context *ce, void *timeout_us)
-{
-	return intel_context_set_watchdog_us(ce, (uintptr_t)timeout_us);
-}
-
-static int
-__set_watchdog(struct i915_gem_context *ctx, unsigned long timeout_us)
-{
-	int ret;
-
-	ret = context_apply_all(ctx, __apply_watchdog,
-				(void *)(uintptr_t)timeout_us);
-	if (!ret)
-		ctx->watchdog.timeout_us = timeout_us;
-
-	return ret;
-}
-
-static void __set_default_fence_expiry(struct i915_gem_context *ctx)
-{
-	struct drm_i915_private *i915 = ctx->i915;
-	int ret;
-
-	if (!IS_ACTIVE(CONFIG_DRM_I915_REQUEST_TIMEOUT) ||
-	    !i915->params.request_timeout_ms)
-		return;
-
-	/* Default expiry for user fences. */
-	ret = __set_watchdog(ctx, i915->params.request_timeout_ms * 1000);
-	if (ret)
-		drm_notice(&i915->drm,
-			   "Failed to configure default fence expiry! (%d)",
-			   ret);
-}
-
 static struct i915_gem_context *
 i915_gem_create_context(struct drm_i915_private *i915, unsigned int flags)
 {
@@ -836,8 +805,6 @@ i915_gem_create_context(struct drm_i915_private *i915, unsigned int flags)
 		}
 	}
 
-	__set_default_fence_expiry(ctx);
-
 	trace_i915_context_create(ctx);
 
 	return ctx;
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_context_types.h b/drivers/gpu/drm/i915/gem/i915_gem_context_types.h
index 153efcdad6bde..df76767f0c41b 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_context_types.h
+++ b/drivers/gpu/drm/i915/gem/i915_gem_context_types.h
@@ -165,10 +165,6 @@ struct i915_gem_context {
 	 */
 	atomic_t active_count;
 
-	struct {
-		u64 timeout_us;
-	} watchdog;
-
 	/**
 	 * @hang_timestamp: The last time(s) this context caused a GPU hang
 	 */
diff --git a/drivers/gpu/drm/i915/gt/intel_context_param.h b/drivers/gpu/drm/i915/gt/intel_context_param.h
index dffedd983693d..0c69cb42d075c 100644
--- a/drivers/gpu/drm/i915/gt/intel_context_param.h
+++ b/drivers/gpu/drm/i915/gt/intel_context_param.h
@@ -10,11 +10,10 @@
 
 #include "intel_context.h"
 
-static inline int
+static inline void
 intel_context_set_watchdog_us(struct intel_context *ce, u64 timeout_us)
 {
 	ce->watchdog.timeout_us = timeout_us;
-	return 0;
 }
 
 #endif /* INTEL_CONTEXT_PARAM_H */
-- 
2.31.1