[Intel-gfx] [PATCH 2/4] convert render engine to use intel_ring_buffer

convert ring buffer used by render engine to intel_ring_buffer structure. Signed-off-by: Xiang Hai hao Signed-off-by: Zou Nan hai --- drivers/gpu/drm/i915/i915_debugfs.c | 14 +- drivers/gpu/drm/i915/i915_dma.c | 159 ++- drivers/gpu/drm/i915/i915_drv.c

[Intel-gfx] [PATCH 2/4] convert render engine to use intel_ring_buffer

convert ring buffer used by render engine to intel_ring_buffer structure. Signed-off-by: Xiang Hai hao Signed-off-by: Zou Nan hai --- drivers/gpu/drm/i915/i915_debugfs.c | 14 +- drivers/gpu/drm/i915/i915_dma.c | 159 ++--- drivers/gpu/drm/i915/i915_drv.c | 2