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Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/dc_link.h')
-rw-r--r--drivers/gpu/drm/amd/display/dc/dc_link.h17
1 files changed, 17 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dc_link.h b/drivers/gpu/drm/amd/display/dc/dc_link.h
index c871923e7db0..c617e9ae68a3 100644
--- a/drivers/gpu/drm/amd/display/dc/dc_link.h
+++ b/drivers/gpu/drm/amd/display/dc/dc_link.h
@@ -216,6 +216,23 @@ static inline void get_edp_links(const struct dc *dc,
}
}
+static inline bool dc_get_edp_link_panel_inst(const struct dc *dc,
+ const struct dc_link *link,
+ unsigned int *inst_out)
+{
+ struct dc_link *edp_links[MAX_NUM_EDP];
+ int edp_num;
+
+ if (link->connector_signal != SIGNAL_TYPE_EDP)
+ return false;
+ get_edp_links(dc, edp_links, &edp_num);
+ if ((edp_num > 1) && (link->link_index > edp_links[0]->link_index))
+ *inst_out = 1;
+ else
+ *inst_out = 0;
+ return true;
+}
+
/* Set backlight level of an embedded panel (eDP, LVDS).
* backlight_pwm_u16_16 is unsigned 32 bit with 16 bit integer
* and 16 bit fractional, where 1.0 is max backlight value.