From: Swapnil Patel <[email protected]> [Why & How] Currently set_default_brightness_aux function uses 5 nits as lower limit to check for valid default_backlight setting. However some newer panels can support even lower default settings
Reviewed-by: Agustin Gutierrez <[email protected]> Acked-by: Roman Li <[email protected]> Signed-off-by: Swapnil Patel <[email protected]> --- .../amd/display/dc/link/protocols/link_edp_panel_control.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/amd/display/dc/link/protocols/link_edp_panel_control.c b/drivers/gpu/drm/amd/display/dc/link/protocols/link_edp_panel_control.c index 938df1f0f7da..86f97ddcc595 100644 --- a/drivers/gpu/drm/amd/display/dc/link/protocols/link_edp_panel_control.c +++ b/drivers/gpu/drm/amd/display/dc/link/protocols/link_edp_panel_control.c @@ -283,8 +283,8 @@ bool set_default_brightness_aux(struct dc_link *link) if (link && link->dpcd_sink_ext_caps.bits.oled == 1) { if (!read_default_bl_aux(link, &default_backlight)) default_backlight = 150000; - // if < 5 nits or > 5000, it might be wrong readback - if (default_backlight < 5000 || default_backlight > 5000000) + // if < 1 nits or > 5000, it might be wrong readback + if (default_backlight < 1000 || default_backlight > 5000000) default_backlight = 150000; // return edp_set_backlight_level_nits(link, true, -- 2.34.1
