From: Yan Zhao <yan.y.zhao@intel.com>
Date: Wed, 23 Dec 2020 03:45:26 +0000 (+0800)
Subject: drm/i915/gvt: filter cmd "pipe-ctrl" in cmd_handler
X-Git-Tag: accepted/tizen/unified/20230118.172025~7733^2~16^2~1^2~6
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=252cec9fc95272fb0b00528a37be96d1f960c277;p=platform%2Fkernel%2Flinux-rpi.git

drm/i915/gvt: filter cmd "pipe-ctrl" in cmd_handler

"pipe-ctrl" is still a TODO. allow it here.

Cc: Colin Xu <colin.xu@intel.com>
Cc: Kevin Tian <kevin.tian@intel.com>
Signed-off-by: Yan Zhao <yan.y.zhao@intel.com>
Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20201223034526.17128-1-yan.y.zhao@intel.com
Reviewed-by: Zhenyu Wang <zhenyuw@linux.intel.com>
---

diff --git a/drivers/gpu/drm/i915/gvt/cmd_parser.c b/drivers/gpu/drm/i915/gvt/cmd_parser.c
index be0a7d4..83fa4f1 100644
--- a/drivers/gpu/drm/i915/gvt/cmd_parser.c
+++ b/drivers/gpu/drm/i915/gvt/cmd_parser.c
@@ -999,6 +999,11 @@ static int cmd_reg_handler(struct parser_exec_state *s,
 		return -EPERM;
 	}
 
+	if (!strncmp(cmd, "pipe_ctrl", 9)) {
+		/* TODO: add LRI POST logic here */
+		return 0;
+	}
+
 	if (is_cmd_update_pdps(offset, s) &&
 	    cmd_pdp_mmio_update_handler(s, offset, index))
 		return -EINVAL;