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Commit c7179667 authored by Chris Wilson's avatar Chris Wilson
Browse files

drm/i915/ringbuffer: Fix emit batch buffer regression from 8187a2b7 



In commit 8187a2b7, the number of dwords used in the ringbuffer for
executing the batch buffer was erroneously changed from 2 to 4.

Signed-off-by: default avatarChris Wilson <chris@chris-wilson.co.uk>
parent b5dc608c

drivers/gpu/drm/i915/intel_ringbuffer.c

+1 −1
Original line number Original line Diff line number Diff line
@@ -476,7 +476,7 @@ render_ring_dispatch_gem_execbuffer(struct drm_device *dev, 
			intel_ring_emit(dev, ring, exec_start + exec_len - 4);

			intel_ring_emit(dev, ring, exec_start + exec_len - 4);

			intel_ring_emit(dev, ring, 0);

			intel_ring_emit(dev, ring, 0);

		} else {

		} else {

			intel_ring_begin(dev, ring, 4);

			intel_ring_begin(dev, ring, 2);

			if (INTEL_INFO(dev)->gen >= 4) {

			if (INTEL_INFO(dev)->gen >= 4) {

				intel_ring_emit(dev, ring,

				intel_ring_emit(dev, ring,

						MI_BATCH_BUFFER_START | (2 << 6)

						MI_BATCH_BUFFER_START | (2 << 6)