From 7a49ff107e2fd28d366099133eeac153da4115f7 Mon Sep 17 00:00:00 2001 From: Paul Gofman Date: Wed, 2 Mar 2022 19:02:43 +0300 Subject: [PATCH] win32u: Set BAD_EDID registry value for empty EDID. Fixes a regression introduced by commit 548bc54bf396d74b5b928bf9be835272ddda1886. Signed-off-by: Paul Gofman Signed-off-by: Jacek Caban Signed-off-by: Alexandre Julliard --- dlls/win32u/sysparams.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/dlls/win32u/sysparams.c b/dlls/win32u/sysparams.c index cd4ff91255e..b981faef335 100644 --- a/dlls/win32u/sysparams.c +++ b/dlls/win32u/sysparams.c @@ -1120,8 +1120,13 @@ static void add_monitor( const struct gdi_monitor *monitor, void *param ) if ((subkey = reg_create_key( hkey, device_parametersW, sizeof(device_parametersW), 0, NULL ))) { + static const WCHAR bad_edidW[] = {'B','A','D','_','E','D','I','D',0}; static const WCHAR edidW[] = {'E','D','I','D',0}; - set_reg_value( subkey, edidW, REG_BINARY, monitor->edid, monitor->edid_len ); + + if (monitor->edid_len) + set_reg_value( subkey, edidW, REG_BINARY, monitor->edid, monitor->edid_len ); + else + set_reg_value( subkey, bad_edidW, REG_BINARY, NULL, 0 ); NtClose( subkey ); } @@ -1327,7 +1332,6 @@ static BOOL update_display_cache(void) ERR( "failed to read display config\n" ); return FALSE; } - return TRUE; }