[PATCH 5/9] intel_reg: rename RING_LEN RING_CTL

[Robert Bragg <robert.bragg@intel.com>]

This register holds more than the length. This also renames the lsb to
RING_ENABLED.
---
 lib/intel_reg.h       | 7 ++-----
 tools/intel_gpu_top.c | 2 +-
 2 files changed, 3 insertions(+), 6 deletions(-)

diff --git a/lib/intel_reg.h b/lib/intel_reg.h
index 56459ea..8a6e3f1 100644
--- a/lib/intel_reg.h
+++ b/lib/intel_reg.h
@@ -662,17 +662,14 @@ SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 #define START_ADDR          0x03FFFFF8
 #define I830_RING_START_MASK	0xFFFFF000
 
-#define RING_LEN       0x0C
+#define RING_CTL       0x0C
 #define RING_NR_PAGES       0x001FF000 
 #define I830_RING_NR_PAGES	0x001FF000
 #define RING_REPORT_MASK    0x00000006
 #define RING_REPORT_64K     0x00000002
 #define RING_REPORT_128K    0x00000004
 #define RING_NO_REPORT      0x00000000
-#define RING_VALID_MASK     0x00000001
-#define RING_VALID          0x00000001
-#define RING_INVALID        0x00000000
-
+#define RING_ENABLED_MASK   0x00000001
 
 
 /* BitBlt Instructions
diff --git a/tools/intel_gpu_top.c b/tools/intel_gpu_top.c
index 3115b5e..6e494b1 100644
--- a/tools/intel_gpu_top.c
+++ b/tools/intel_gpu_top.c
@@ -357,7 +357,7 @@ static uint32_t ring_read(struct ring *ring, uint32_t reg)
 
 static void ring_init(struct ring *ring)
 {
-	ring->size = (((ring_read(ring, RING_LEN) & RING_NR_PAGES) >> 12) + 1) * 4096;
+	ring->size = (((ring_read(ring, RING_CTL) & RING_NR_PAGES) >> 12) + 1) * 4096;
 }
 
 static void ring_reset(struct ring *ring)
-- 
2.0.1

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