From: Nikola Cornij Date: Fri, 21 Feb 2020 21:28:44 +0000 (-0500) Subject: drm/amd/display: Add 'disable FEC for specific monitor' infrastructure to DC X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=8151306be02ea4617a48789366f8e9de9cb9f7ca;p=linux.git drm/amd/display: Add 'disable FEC for specific monitor' infrastructure to DC Disabling FEC for specific monitors is sometimes required for debugging while in the monitor bringup phase Signed-off-by: Nikola Cornij Reviewed-by: Alvin Lee Acked-by: Rodrigo Siqueira Signed-off-by: Alex Deucher --- 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 951b43dde4e55..a4680968c8f41 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 299f6e00f576b..0d210104ba0a1 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 {