From: Jake Wang <haonan.wa...@amd.com>
[Why & How]
Need to check if local_sink is NULL before accessing.
Signed-off-by: Jake Wang <haonan.wa...@amd.com>
Reviewed-by: Anthony Koo <anthony....@amd.com>
Acked-by: Rodrigo Siqueira <rodrigo.sique...@amd.com>
---
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
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