[PATCH 20/21] drm/i915/bdw: Add comment about gen8 HWS PGA

Ben Widawsky
2013-11-08T08:17:01Z

This confused me some many times that I think it is appropriate to add a
small comment to instruct the reader of the code that it is indeed doing
what it is supposed to do.

Signed-off-by: Ben Widawsky <ben@bwidawsk.net>
---
drivers/gpu/drm/i915/intel_ringbuffer.c | 1 +
1 file changed, 1 insertion(+)

diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c
index b620337..c2f09d45 100644
--- a/drivers/gpu/drm/i915/intel_ringbuffer.c
+++ b/drivers/gpu/drm/i915/intel_ringbuffer.c
@@ -965,6 +965,7 @@ void intel_ring_setup_status_page(struct intel_ring_buffer *ring)
} else if (IS_GEN6(ring->dev)) {
mmio = RING_HWS_PGA_GEN6(ring->mmio_base);
} else {
+ /* XXX: gen8 returns to sanity */
mmio = RING_HWS_PGA(ring->mmio_base);
}

--
1.8.4.2