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drm/i915/gvt: correct the ggtt valid bit check in pipe control command

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GGTT valid bit in pipe control command move to DWORD1 after SNB, so
change the valid check code correspondingly.

v2:
per Zhenyu's comment, replace the bit check with MACRO define
PIPE_CONTROL_GLOBAL_GTT_IVB

Signed-off-by: Yulei Zhang <yulei.zhang@intel.com>
Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
This commit is contained in:
Yulei Zhang 2017-03-13 23:21:27 +08:00 committed by Zhenyu Wang
parent 695fbc08d8
commit 3f765a3417
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/i915/gvt/cmd_parser.c
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@ -1030,7 +1030,7 @@ static int cmd_handler_pipe_control(struct parser_exec_state *s)
ret = cmd_reg_handler(s, 0x2358, 1, "pipe_ctrl");
else if (post_sync == 1) {
/* check ggtt*/
if ((cmd_val(s, 2) & (1 << 2))) {
if ((cmd_val(s, 1) & PIPE_CONTROL_GLOBAL_GTT_IVB)) {
gma = cmd_val(s, 2) & GENMASK(31, 3);
if (gmadr_bytes == 8)
gma |= (cmd_gma_hi(s, 3)) << 32;