summaryrefslogtreecommitdiff
path: root/drivers/gpu/drm/i915/intel_ringbuffer.h
diff options
context:
space:
mode:
authorIngo Molnar <mingo@elte.hu>2011-05-26 13:48:30 +0200
committerIngo Molnar <mingo@elte.hu>2011-05-26 13:48:39 +0200
commit1102c660dd35725a11c7ca9365c237f2f42f6b30 (patch)
treecd32d3053b30050182218e0d36b4aed7459c48de /drivers/gpu/drm/i915/intel_ringbuffer.h
parent6e9101aeec39961308176e0f59e73ac5d37d243a (diff)
parent4db70f73e56961b9bcdfd0c36c62847a18b7dbb5 (diff)
Merge branch 'linus' into perf/urgent
Merge reason: Linus applied an overlapping commit: 5f2e8e2b0bf0: kernel/watchdog.c: Use proper ANSI C prototypes So merge it in to make sure we can iterate the file without conflicts. Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'drivers/gpu/drm/i915/intel_ringbuffer.h')
-rw-r--r--drivers/gpu/drm/i915/intel_ringbuffer.h35
1 files changed, 19 insertions, 16 deletions
diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.h b/drivers/gpu/drm/i915/intel_ringbuffer.h
index f23cc5f037a6..c0e0ee63fbf4 100644
--- a/drivers/gpu/drm/i915/intel_ringbuffer.h
+++ b/drivers/gpu/drm/i915/intel_ringbuffer.h
@@ -14,27 +14,24 @@ struct intel_hw_status_page {
struct drm_i915_gem_object *obj;
};
-#define I915_RING_READ(reg) i915_gt_read(dev_priv, reg)
-#define I915_RING_WRITE(reg, val) i915_gt_write(dev_priv, reg, val)
+#define I915_READ_TAIL(ring) I915_READ(RING_TAIL((ring)->mmio_base))
+#define I915_WRITE_TAIL(ring, val) I915_WRITE(RING_TAIL((ring)->mmio_base), val)
-#define I915_READ_TAIL(ring) I915_RING_READ(RING_TAIL((ring)->mmio_base))
-#define I915_WRITE_TAIL(ring, val) I915_RING_WRITE(RING_TAIL((ring)->mmio_base), val)
+#define I915_READ_START(ring) I915_READ(RING_START((ring)->mmio_base))
+#define I915_WRITE_START(ring, val) I915_WRITE(RING_START((ring)->mmio_base), val)
-#define I915_READ_START(ring) I915_RING_READ(RING_START((ring)->mmio_base))
-#define I915_WRITE_START(ring, val) I915_RING_WRITE(RING_START((ring)->mmio_base), val)
+#define I915_READ_HEAD(ring) I915_READ(RING_HEAD((ring)->mmio_base))
+#define I915_WRITE_HEAD(ring, val) I915_WRITE(RING_HEAD((ring)->mmio_base), val)
-#define I915_READ_HEAD(ring) I915_RING_READ(RING_HEAD((ring)->mmio_base))
-#define I915_WRITE_HEAD(ring, val) I915_RING_WRITE(RING_HEAD((ring)->mmio_base), val)
+#define I915_READ_CTL(ring) I915_READ(RING_CTL((ring)->mmio_base))
+#define I915_WRITE_CTL(ring, val) I915_WRITE(RING_CTL((ring)->mmio_base), val)
-#define I915_READ_CTL(ring) I915_RING_READ(RING_CTL((ring)->mmio_base))
-#define I915_WRITE_CTL(ring, val) I915_RING_WRITE(RING_CTL((ring)->mmio_base), val)
+#define I915_READ_IMR(ring) I915_READ(RING_IMR((ring)->mmio_base))
+#define I915_WRITE_IMR(ring, val) I915_WRITE(RING_IMR((ring)->mmio_base), val)
-#define I915_READ_IMR(ring) I915_RING_READ(RING_IMR((ring)->mmio_base))
-#define I915_WRITE_IMR(ring, val) I915_RING_WRITE(RING_IMR((ring)->mmio_base), val)
-
-#define I915_READ_NOPID(ring) I915_RING_READ(RING_NOPID((ring)->mmio_base))
-#define I915_READ_SYNC_0(ring) I915_RING_READ(RING_SYNC_0((ring)->mmio_base))
-#define I915_READ_SYNC_1(ring) I915_RING_READ(RING_SYNC_1((ring)->mmio_base))
+#define I915_READ_NOPID(ring) I915_READ(RING_NOPID((ring)->mmio_base))
+#define I915_READ_SYNC_0(ring) I915_READ(RING_SYNC_0((ring)->mmio_base))
+#define I915_READ_SYNC_1(ring) I915_READ(RING_SYNC_1((ring)->mmio_base))
struct intel_ring_buffer {
const char *name;
@@ -164,7 +161,13 @@ intel_read_status_page(struct intel_ring_buffer *ring,
#define I915_BREADCRUMB_INDEX 0x21
void intel_cleanup_ring_buffer(struct intel_ring_buffer *ring);
+
int __must_check intel_wait_ring_buffer(struct intel_ring_buffer *ring, int n);
+static inline int intel_wait_ring_idle(struct intel_ring_buffer *ring)
+{
+ return intel_wait_ring_buffer(ring, ring->space - 8);
+}
+
int __must_check intel_ring_begin(struct intel_ring_buffer *ring, int n);
static inline void intel_ring_emit(struct intel_ring_buffer *ring,