freedreno/a5xx: fix missing restore state

RB_CLEAR_CNTL seems to be in a funny state after boot (at least on
8x96/a530).

Cc: 17.2 <mesa-stable@lists.freedesktop.org>
Signed-off-by: Rob Clark <robdclark@gmail.com>

diff --git a/src/gallium/drivers/freedreno/a5xx/fd5_emit.c b/src/gallium/drivers/freedreno/a5xx/fd5_emit.c
index eeddef5..21931e9 100644 (file)
--- a/src/gallium/drivers/freedreno/a5xx/fd5_emit.c
+++ b/src/gallium/drivers/freedreno/a5xx/fd5_emit.c
@@ -1048,6 +1048,9 @@ t7              opcode: CP_WAIT_FOR_IDLE (26) (1 dwords)
        OUT_RING(ring, 0x00000000);
        OUT_RING(ring, 0x00000000);
        OUT_RING(ring, 0x00000000);
+
+       OUT_PKT4(ring, REG_A5XX_RB_CLEAR_CNTL, 1);
+       OUT_RING(ring, 0x00000000);
 }
 
 static void