i965: Make room in the batch epilogue for three more pipe controls.

Review carefully, it sucks to have to keep track of the number of
command packet dwords emitted in the batch epilogue manually.  The
MI_REPORT_PERF_COUNT_BATCH_DWORDS calculation was obviously wrong.

Cc: "12.0 11.1 11.2" <mesa-stable@lists.freedesktop.org>
Reviewed-by: Jason Ekstrand <jason@jlekstrand.net>

1 files changed, 5 insertions, 5 deletions

diff --git a/src/mesa/drivers/dri/i965/intel_batchbuffer.h b/src/mesa/drivers/dri/i965/intel_batchbuffer.h
index aa1dc38..67e8e8f 100644
--- a/src/mesa/drivers/dri/i965/intel_batchbuffer.h
+++ b/src/mesa/drivers/dri/i965/intel_batchbuffer.h
@@ -21,13 +21,13 @@ extern "C" {
  *   - Gen4-5 record ending occlusion query values (4 * 4 = 16 bytes)
  *   - Disabling OA counters on Gen6+ (3 DWords = 12 bytes)
  *   - Ending MI_REPORT_PERF_COUNT on Gen5+, plus associated PIPE_CONTROLs:
- *     - Two sets of PIPE_CONTROLs, which become 3 PIPE_CONTROLs each on SNB,
- *       which are 5 DWords each ==> 2 * 3 * 5 * 4 = 120 bytes
+ *     - Two sets of PIPE_CONTROLs, which become 4 PIPE_CONTROLs each on SNB,
+ *       which are 5 DWords each ==> 2 * 4 * 5 * 4 = 160 bytes
  *     - 3 DWords for MI_REPORT_PERF_COUNT itself on Gen6+.  ==> 12 bytes.
  *       On Ironlake, it's 6 DWords, but we have some slack due to the lack of
  *       Sandybridge PIPE_CONTROL madness.
- *   - CC_STATE workaround on HSW (12 * 4 = 48 bytes)
- *     - 5 dwords for initial mi_flush
+ *   - CC_STATE workaround on HSW (17 * 4 = 68 bytes)
+ *     - 10 dwords for initial mi_flush
  *     - 2 dwords for CC state setup
  *     - 5 dwords for the required pipe control at the end
  *   - Restoring L3 configuration: (24 dwords = 96 bytes)
@@ -35,7 +35,7 @@ extern "C" {
  *     - 7 dwords for L3 configuration set-up.
  *     - 5 dwords for L3 atomic set-up (on HSW).
  */
-#define BATCH_RESERVED 248
+#define BATCH_RESERVED 308
 
 struct intel_batchbuffer;