From: Nikola Cornij <nikola.cornij@xxxxxxx>
Disabling FEC for specific monitors is sometimes required for debugging
while in the monitor bringup phase
Signed-off-by: Nikola Cornij <nikola.cornij@xxxxxxx>
Reviewed-by: Alvin Lee <Alvin.Lee2@xxxxxxx>
Acked-by: Rodrigo Siqueira <Rodrigo.Siqueira@xxxxxxx>
---
drivers/gpu/drm/amd/display/dc/core/dc_link.c | 3 +++
drivers/gpu/drm/amd/display/dc/dc_types.h | 1 +
2 files changed, 4 insertions(+)
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link.c b/drivers/gpu/drm/amd/display/dc/core/dc_link.c
index 951b43dde4e5..a4680968c8f4 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc_link.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc_link.c
@@ -970,6 +970,9 @@ static bool dc_link_detect_helper(struct dc_link *link,
break;
}
+ if (link->local_sink->edid_caps.panel_patch.disable_fec)
+ link->ctx->dc->debug.disable_fec = true;
+
// Check if edid is the same
if ((prev_sink != NULL) && ((edid_status == EDID_THE_SAME) || (edid_status == EDID_OK)))
same_edid = is_same_edid(&prev_sink->dc_edid, &sink->dc_edid);
diff --git a/drivers/gpu/drm/amd/display/dc/dc_types.h b/drivers/gpu/drm/amd/display/dc/dc_types.h
index 299f6e00f576..0d210104ba0a 100644
--- a/drivers/gpu/drm/amd/display/dc/dc_types.h
+++ b/drivers/gpu/drm/amd/display/dc/dc_types.h
@@ -231,6 +231,7 @@ struct dc_panel_patch {
unsigned int extra_t7_ms;
unsigned int skip_scdc_overwrite;
unsigned int delay_ignore_msa;
+ unsigned int disable_fec;
};
struct dc_edid_caps {
--
2.25.1
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