Commit 3f765a34 authored Mar 13, 2017 by Yulei Zhang Committed by Zhenyu Wang Mar 17, 2017

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



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>

parent 695fbc08

drivers/gpu/drm/i915/gvt/cmd_parser.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -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;