drm/i915: add relative ring register macros
Documentation explicitly mentions that the ring registers are
designed to have the same offsets relative to a base registers.
Use this to fight the code beaurocratic in intel_ringbuffer.c.
No code changes in this patch, just the new definitions.
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c
index f0b44d3..c1517b2 100644
--- a/drivers/gpu/drm/i915/intel_ringbuffer.c
+++ b/drivers/gpu/drm/i915/intel_ringbuffer.c
@@ -801,6 +801,7 @@
.tail = PRB0_TAIL,
.start = PRB0_START
},
+ .mmio_base = RENDER_RING_BASE,
.size = 32 * PAGE_SIZE,
.alignment = PAGE_SIZE,
.virtual_start = NULL,
@@ -839,6 +840,7 @@
.tail = BSD_RING_TAIL,
.start = BSD_RING_START
},
+ .mmio_base = BSD_RING_BASE,
.size = 32 * PAGE_SIZE,
.alignment = PAGE_SIZE,
.virtual_start = NULL,
@@ -957,6 +959,7 @@
.tail = GEN6_BSD_RING_TAIL,
.start = GEN6_BSD_RING_START
},
+ .mmio_base = GEN6_BSD_RING_BASE,
.size = 32 * PAGE_SIZE,
.alignment = PAGE_SIZE,
.virtual_start = NULL,