From abcf8f5b58736c21d350e1b6ac2cfc69ed1fed6f Mon Sep 17 00:00:00 2001 From: Rob Clark Date: Wed, 7 Dec 2016 15:21:56 -0500 Subject: [PATCH] freedreno/a5xx: fix random faults on first sysmem draw Not sure what this event is, but blob writes it.. and it seems to solve random write faults at mystery address that would sometimes happen on first BYPASS draw. Signed-off-by: Rob Clark --- src/gallium/drivers/freedreno/a5xx/fd5_gmem.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/src/gallium/drivers/freedreno/a5xx/fd5_gmem.c b/src/gallium/drivers/freedreno/a5xx/fd5_gmem.c index cf1cd76fea8..775d5b9cb22 100644 --- a/src/gallium/drivers/freedreno/a5xx/fd5_gmem.c +++ b/src/gallium/drivers/freedreno/a5xx/fd5_gmem.c @@ -485,6 +485,9 @@ fd5_emit_sysmem_prep(struct fd_batch *batch) OUT_PKT7(ring, CP_SKIP_IB2_ENABLE_GLOBAL, 1); OUT_RING(ring, 0x0); + OUT_PKT7(ring, CP_EVENT_WRITE, 1); + OUT_RING(ring, UNK_19); + OUT_PKT4(ring, REG_A5XX_PC_POWER_CNTL, 1); OUT_RING(ring, 0x00000003); /* PC_POWER_CNTL */ -- 2.30.2