Commit 6790a52e authored Oct 11, 2018 by Abhijit Kulkarni

drm/msm/sde: enable register dump on underrun



This change enables register capture on underrun interrupt.
The register capture and panic is only enabled if user
sets DBG_CTRL_PANIC_UNDERRUN on dbgfs control, which can be
enabled for any underrun debug

Change-Id: I059a13d3e8db7caadce06937d219175aeddbebf1
Signed-off-by: Abhijit Kulkarni <kabhijit@codeaurora.org>

parent e89a5466

drivers/gpu/drm/msm/sde_dbg.c

+3 −2

Original line number	Diff line number	Diff line
		@@ -4074,8 +4074,9 @@ void sde_dbg_ctrl(const char *name, ...)
		if (!strcmp(blk_name, "panic_underrun") &&
		sde_dbg_base.debugfs_ctrl &
		DBG_CTRL_PANIC_UNDERRUN) {
		pr_debug("panic underrun\n");
		panic("underrun");
		pr_err("panic underrun\n");
		SDE_DBG_DUMP_WQ("all", "dbg_bus", "vbif_dbg_bus",
		"panic");
		}

		if (!strcmp(blk_name, "reset_hw_panic") &&