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drm/amd/display: Don't blow up if TG is NULL in dce110_vblank_set

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Signed-off-by: Harry Wentland <harry.wentland@amd.com>
Reviewed-by: Roman Li <Roman.Li@amd.com>
Acked-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Harry Wentland 2018-02-13 11:07:43 -05:00 committed by Alex Deucher
parent 1bced75f4a
commit 3573d598b8
1 changed files with 1 additions and 1 deletions
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drivers/gpu/drm/amd/display/dc/irq/dce110/irq_service_dce110.c
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@ -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;
}