diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index d7141d65c3a9..3a757ef7dec0 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -2191,6 +2191,9 @@ struct drm_i915_private {
 	struct drm_i915_fence_reg fence_regs[I915_MAX_NUM_FENCES]; /* assume 965 */
 	int num_fence_regs; /* 8 on pre-965, 16 otherwise */
 
+	/* Command stream timestamp base - helps define watchdog threshold */
+	u32 cs_timestamp_base;
+
 	unsigned int fsb_freq, mem_freq, is_ddr3;
 	unsigned int skl_preferred_vco_freq;
 	unsigned int max_cdclk_freq;
@@ -3554,6 +3557,59 @@ i915_gem_context_lookup_timeline(struct i915_gem_context *ctx,
 	return &vm->timeline.engine[engine->id];
 }
 
+/*
+ * BDW, CHV & SKL+ Timestamp timer resolution = 0.080 uSec,
+ * or 12500000 counts per second, or ~12 counts per microsecond.
+ *
+ * But BXT/GLK Timestamp timer resolution is different, 0.052 uSec,
+ * or 19200000 counts per second, or ~19 counts per microsecond.
+ *
+ * Future-proofing, some day it won't be as simple as just GEN & IS_LP.
+ */
+#define GEN8_TIMESTAMP_CNTS_PER_USEC 12
+#define GEN9_LP_TIMESTAMP_CNTS_PER_USEC 19
+static inline u32 cs_timestamp_in_us(struct drm_i915_private *dev_priv)
+{
+	u32 cs_timestamp_base = dev_priv->cs_timestamp_base;
+
+	if (cs_timestamp_base)
+		return cs_timestamp_base;
+
+	switch (INTEL_GEN(dev_priv)) {
+	default:
+		MISSING_CASE(INTEL_GEN(dev_priv));
+		/* fall through */
+	case 9:
+		cs_timestamp_base = IS_GEN9_LP(dev_priv) ?
+					GEN9_LP_TIMESTAMP_CNTS_PER_USEC :
+					GEN8_TIMESTAMP_CNTS_PER_USEC;
+		break;
+	case 8:
+		cs_timestamp_base = GEN8_TIMESTAMP_CNTS_PER_USEC;
+		break;
+	}
+
+	dev_priv->cs_timestamp_base = cs_timestamp_base;
+	return cs_timestamp_base;
+}
+
+static inline u32
+watchdog_to_us(struct drm_i915_private *dev_priv, u32 value_in_clock_counts)
+{
+	return value_in_clock_counts / cs_timestamp_in_us(dev_priv);
+}
+
+static inline u32
+watchdog_to_clock_counts(struct drm_i915_private *dev_priv, u64 value_in_us)
+{
+	u64 threshold = value_in_us * cs_timestamp_in_us(dev_priv);
+
+	if (overflows_type(threshold, u32))
+		return -EINVAL;
+
+	return threshold;
+}
+
 int i915_perf_open_ioctl(struct drm_device *dev, void *data,
 			 struct drm_file *file);
 
diff --git a/drivers/gpu/drm/i915/i915_gem_context.c b/drivers/gpu/drm/i915/i915_gem_context.c
index 210d6638e97b..a56e79430082 100644
--- a/drivers/gpu/drm/i915/i915_gem_context.c
+++ b/drivers/gpu/drm/i915/i915_gem_context.c
@@ -337,6 +337,95 @@ i915_gem_context_create_gvt(struct drm_device *dev)
 	return ctx;
 }
 
+/* Return the timer count threshold in microseconds. */
+int i915_gem_context_get_watchdog(struct i915_gem_context *ctx,
+				  struct drm_i915_gem_context_param *args)
+{
+	struct drm_i915_private *dev_priv = ctx->i915;
+	struct intel_engine_cs *engine;
+	enum intel_engine_id id;
+	u32 threshold_in_us[I915_NUM_ENGINES];
+
+	if (!dev_priv->engine[VCS]->emit_start_watchdog)
+		return -ENODEV;
+
+	for_each_engine(engine, dev_priv, id) {
+		struct intel_context *ce = &ctx->engine[id];
+
+		threshold_in_us[id] = watchdog_to_us(dev_priv,
+						     ce->watchdog_threshold);
+	}
+
+	mutex_unlock(&dev_priv->drm.struct_mutex);
+	if (__copy_to_user(u64_to_user_ptr(args->value),
+			   &threshold_in_us,
+			   sizeof(threshold_in_us))) {
+		mutex_lock(&dev_priv->drm.struct_mutex);
+		return -EFAULT;
+	}
+	mutex_lock(&dev_priv->drm.struct_mutex);
+
+	args->size = sizeof(threshold_in_us);
+
+	return 0;
+}
+
+/*
+ * Based on time out value in microseconds (us) calculate
+ * timer count thresholds needed based on core frequency.
+ * Watchdog can be disabled by setting it to 0.
+ */
+int i915_gem_context_set_watchdog(struct i915_gem_context *ctx,
+				  struct drm_i915_gem_context_param *args)
+{
+	struct drm_i915_private *dev_priv = ctx->i915;
+	struct intel_engine_cs *engine;
+	enum intel_engine_id id;
+	u32 threshold[I915_NUM_ENGINES];
+
+	if (!dev_priv->engine[VCS]->emit_start_watchdog)
+		return -ENODEV;
+
+	memset(threshold, 0, sizeof(threshold));
+
+	/* shortcut to disable in all engines */
+	if (args->size == 0)
+		goto set_watchdog;
+
+	if (args->size < sizeof(threshold))
+		return -EFAULT;
+
+	mutex_unlock(&dev_priv->drm.struct_mutex);
+	if (copy_from_user(threshold,
+			   u64_to_user_ptr(args->value),
+			   sizeof(threshold))) {
+		mutex_lock(&dev_priv->drm.struct_mutex);
+		return -EFAULT;
+	}
+	mutex_lock(&dev_priv->drm.struct_mutex);
+
+	/* not supported in blitter engine */
+	if (threshold[BCS] != 0)
+		return -EINVAL;
+
+	for_each_engine(engine, dev_priv, id) {
+		threshold[id] = watchdog_to_clock_counts(dev_priv,
+							 threshold[id]);
+
+		if (threshold[id] == -EINVAL)
+			return -EINVAL;
+	}
+
+set_watchdog:
+	for_each_engine(engine, dev_priv, id) {
+		struct intel_context *ce = &ctx->engine[id];
+
+		ce->watchdog_threshold = threshold[id];
+	}
+
+	return 0;
+}
+
 int i915_gem_context_init(struct drm_i915_private *dev_priv)
 {
 	struct i915_gem_context *ctx;
@@ -957,6 +1046,9 @@ int i915_gem_context_getparam_ioctl(struct drm_device *dev, void *data,
 	case I915_CONTEXT_PARAM_BANNABLE:
 		args->value = i915_gem_context_is_bannable(ctx);
 		break;
+	case I915_CONTEXT_PARAM_WATCHDOG:
+		ret = i915_gem_context_get_watchdog(ctx, args);
+		break;
 	default:
 		ret = -EINVAL;
 		break;
@@ -1014,6 +1106,9 @@ int i915_gem_context_setparam_ioctl(struct drm_device *dev, void *data,
 		else
 			i915_gem_context_clear_bannable(ctx);
 		break;
+	case I915_CONTEXT_PARAM_WATCHDOG:
+		ret = i915_gem_context_set_watchdog(ctx, args);
+		break;
 	default:
 		ret = -EINVAL;
 		break;
diff --git a/drivers/gpu/drm/i915/intel_lrc.c b/drivers/gpu/drm/i915/intel_lrc.c
index d7a6ba48cd18..5765b6d7da26 100644
--- a/drivers/gpu/drm/i915/intel_lrc.c
+++ b/drivers/gpu/drm/i915/intel_lrc.c
@@ -1573,7 +1573,7 @@ static inline u32 get_watchdog_disable(struct intel_engine_cs *engine)
 		return GEN8_XCS_WATCHDOG_DISABLE;
 }
 
-#define GEN8_WATCHDOG_1000US 0x2ee0 //XXX: Temp, replace with helper function
+#define GEN8_WATCHDOG_1000US(dev_priv) watchdog_to_clock_counts(dev_priv, 1000)
 static void gen8_watchdog_irq_handler(unsigned long data)
 {
 	struct intel_engine_cs *engine = (struct intel_engine_cs *)data;
@@ -1603,7 +1603,8 @@ static void gen8_watchdog_irq_handler(unsigned long data)
 	} else {
 		engine->hangcheck.watchdog = current_seqno;
 		/* Re-start the counter, if really hung, it will expire again */
-		I915_WRITE_FW(RING_THRESH(engine->mmio_base), GEN8_WATCHDOG_1000US);
+		I915_WRITE_FW(RING_THRESH(engine->mmio_base),
+			      GEN8_WATCHDOG_1000US(dev_priv));
 		I915_WRITE_FW(RING_CNTR(engine->mmio_base), GEN8_WATCHDOG_ENABLE);
 	}
 
diff --git a/include/uapi/drm/i915_drm.h b/include/uapi/drm/i915_drm.h
index fadedefba6db..18bc0ec618dd 100644
--- a/include/uapi/drm/i915_drm.h
+++ b/include/uapi/drm/i915_drm.h
@@ -1308,6 +1308,7 @@ struct drm_i915_gem_context_param {
 #define I915_CONTEXT_PARAM_GTT_SIZE	0x3
 #define I915_CONTEXT_PARAM_NO_ERROR_CAPTURE	0x4
 #define I915_CONTEXT_PARAM_BANNABLE	0x5
+#define I915_CONTEXT_PARAM_WATCHDOG	0x6
 	__u64 value;
 };
 
