From: Jake Wang <haonan.wang2@xxxxxxx> [Why & How] Need to check if local_sink is NULL before accessing. Signed-off-by: Jake Wang <haonan.wang2@xxxxxxx> Reviewed-by: Anthony Koo <Anthony.Koo@xxxxxxx> Acked-by: Rodrigo Siqueira <Rodrigo.Siqueira@xxxxxxx> --- drivers/gpu/drm/amd/display/dc/core/dc_link_hwss.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link_hwss.c b/drivers/gpu/drm/amd/display/dc/core/dc_link_hwss.c index 6590f51caefa..93e28231a9d0 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc_link_hwss.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc_link_hwss.c @@ -167,7 +167,8 @@ bool edp_receiver_ready_T9(struct dc_link *link) } while (++tries < 50); } - if (link->local_sink->edid_caps.panel_patch.extra_delay_backlight_off > 0) + if (link->local_sink && + link->local_sink->edid_caps.panel_patch.extra_delay_backlight_off > 0) udelay(link->local_sink->edid_caps.panel_patch.extra_delay_backlight_off * 1000); return result; @@ -201,7 +202,8 @@ bool edp_receiver_ready_T7(struct dc_link *link) } while (time_taken_in_ns < 50 * 1000000); //MAx T7 is 50ms } - if (link->local_sink->edid_caps.panel_patch.extra_t7_ms > 0) + if (link->local_sink && + link->local_sink->edid_caps.panel_patch.extra_t7_ms > 0) udelay(link->local_sink->edid_caps.panel_patch.extra_t7_ms * 1000); return result; -- 2.27.0 _______________________________________________ amd-gfx mailing list amd-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/amd-gfx
