drm/i915: differ error message between forcwake timeouts

<ickle> danvet: in the force wake, both DRM_ERRORs have the same string.
<ickle> useful for .txt shrinkage, horrible for debugging

Acked-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Ben Widawsky <ben@bwidawsk.net>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index 82f74f36d5511dd1ead9e8640596e9145265f0cc..ec7fbf956ff586b301ba105d2e8096799796707b 100644 (file)
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -3963,13 +3963,13 @@ static void __gen6_gt_force_wake_get(struct drm_i915_private *dev_priv)
                forcewake_ack = FORCEWAKE_ACK;
 
        if (wait_for_atomic_us((I915_READ_NOTRACE(forcewake_ack) & 1) == 0, 500))
-               DRM_ERROR("Force wake wait timed out\n");
+               DRM_ERROR("Timed out waiting for forcewake old ack to clear.\n");
 
        I915_WRITE_NOTRACE(FORCEWAKE, 1);
        POSTING_READ(FORCEWAKE);
 
        if (wait_for_atomic_us((I915_READ_NOTRACE(forcewake_ack) & 1), 500))
-               DRM_ERROR("Force wake wait timed out\n");
+               DRM_ERROR("Timed out waiting for forcewake to ack request.\n");
 
        __gen6_gt_wait_for_thread_c0(dev_priv);
 }
@@ -3984,13 +3984,13 @@ static void __gen6_gt_force_wake_mt_get(struct drm_i915_private *dev_priv)
                forcewake_ack = FORCEWAKE_MT_ACK;
 
        if (wait_for_atomic_us((I915_READ_NOTRACE(forcewake_ack) & 1) == 0, 500))
-               DRM_ERROR("Force wake wait timed out\n");
+               DRM_ERROR("Timed out waiting for forcewake old ack to clear.\n");
 
        I915_WRITE_NOTRACE(FORCEWAKE_MT, _MASKED_BIT_ENABLE(1));
        POSTING_READ(FORCEWAKE_MT);
 
        if (wait_for_atomic_us((I915_READ_NOTRACE(forcewake_ack) & 1), 500))
-               DRM_ERROR("Force wake wait timed out\n");
+               DRM_ERROR("Timed out waiting for forcewake to ack request.\n");
 
        __gen6_gt_wait_for_thread_c0(dev_priv);
 }
@@ -4070,12 +4070,12 @@ int __gen6_gt_wait_for_fifo(struct drm_i915_private *dev_priv)
 static void vlv_force_wake_get(struct drm_i915_private *dev_priv)
 {
        if (wait_for_atomic_us((I915_READ_NOTRACE(FORCEWAKE_ACK_VLV) & 1) == 0, 500))
-               DRM_ERROR("Force wake wait timed out\n");
+               DRM_ERROR("Timed out waiting for forcewake old ack to clear.\n");
 
        I915_WRITE_NOTRACE(FORCEWAKE_VLV, _MASKED_BIT_ENABLE(1));
 
        if (wait_for_atomic_us((I915_READ_NOTRACE(FORCEWAKE_ACK_VLV) & 1), 500))
-               DRM_ERROR("Force wake wait timed out\n");
+               DRM_ERROR("Timed out waiting for forcewake to ack request.\n");
 
        __gen6_gt_wait_for_thread_c0(dev_priv);
 }