[Intel-gfx] [PATCH] drm/i915: make CS frequency read support missing more obvious

[Lionel Landwerlin]

As suggested by Chris, we should make this more obvious for people
working with newer generations.

Suggested-by: Chris Wilson <chris at chris-wilson.co.uk>
Signed-off-by: Lionel Landwerlin <lionel.g.landwerlin at intel.com>
---
 drivers/gpu/drm/i915/intel_device_info.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/intel_device_info.c b/drivers/gpu/drm/i915/intel_device_info.c
index 11ceb43ddcee..6a3c40439e83 100644
--- a/drivers/gpu/drm/i915/intel_device_info.c
+++ b/drivers/gpu/drm/i915/intel_device_info.c
@@ -490,7 +490,7 @@ static u32 read_timestamp_frequency(struct drm_i915_private *dev_priv)
 		return freq;
 	}
 
-	DRM_ERROR("Unknown gen, unable to compute command stream timestamp frequency\n");
+	MISSING_CASE("Unknown gen, unable to read command streamer timestamp frequency\n");
 	return 0;
 }
 
-- 
2.15.1