From 3573d598b800f4979c78b829af3280af3d412ea3 Mon Sep 17 00:00:00 2001 From: Harry Wentland Date: Tue, 13 Feb 2018 11:07:43 -0500 Subject: drm/amd/display: Don't blow up if TG is NULL in dce110_vblank_set Signed-off-by: Harry Wentland Reviewed-by: Roman Li Acked-by: Harry Wentland Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/display/dc/irq/dce110/irq_service_dce110.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/gpu/drm/amd/display/dc/irq/dce110/irq_service_dce110.c b/drivers/gpu/drm/amd/display/dc/irq/dce110/irq_service_dce110.c index f7e40b292dfb..d3e1923b01a8 100644 --- a/drivers/gpu/drm/amd/display/dc/irq/dce110/irq_service_dce110.c +++ b/drivers/gpu/drm/amd/display/dc/irq/dce110/irq_service_dce110.c @@ -217,7 +217,7 @@ bool dce110_vblank_set( core_dc->current_state->res_ctx.pipe_ctx[pipe_offset].stream_res.tg; if (enable) { - if (!tg->funcs->arm_vert_intr(tg, 2)) { + if (!tg || !tg->funcs->arm_vert_intr(tg, 2)) { DC_ERROR("Failed to get VBLANK!\n"); return false; } -- cgit v1.2.3