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authorThomas Zimmermann <tzimmermann@suse.de>2024-10-15 08:49:07 +0200
committerThomas Zimmermann <tzimmermann@suse.de>2024-10-17 08:50:14 +0200
commitc09c4f2a972ca7cd9c8926594aa2099bcbcd3b79 (patch)
tree73c9abd9efd4e1149478440d7ff170804be061e1 /drivers
parent5b3c0209e88a67a8d029ed8b6e30bca383cbdc55 (diff)
drm/ast: vga: Clear EDID if no display is connected
Do not keep the obsolete EDID around after unplugging the display from the connector. Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> Fixes: 2a2391f857cd ("drm/ast: vga: Transparently handle BMC support") Cc: Thomas Zimmermann <tzimmermann@suse.de> Cc: Jocelyn Falempe <jfalempe@redhat.com> Cc: Dave Airlie <airlied@redhat.com> Cc: dri-devel@lists.freedesktop.org Reviewed-by: Jocelyn Falempe <jfalempe@redhat.com> Link: https://patchwork.freedesktop.org/patch/msgid/20241015065113.11790-3-tzimmermann@suse.de
Diffstat (limited to 'drivers')
-rw-r--r--drivers/gpu/drm/ast/ast_vga.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/gpu/drm/ast/ast_vga.c b/drivers/gpu/drm/ast/ast_vga.c
index 3e815da43fbd..dd389a0a8f4a 100644
--- a/drivers/gpu/drm/ast/ast_vga.c
+++ b/drivers/gpu/drm/ast/ast_vga.c
@@ -29,6 +29,8 @@ static int ast_vga_connector_helper_get_modes(struct drm_connector *connector)
if (ast_connector->physical_status == connector_status_connected) {
count = drm_connector_helper_get_modes(connector);
} else {
+ drm_edid_connector_update(connector, NULL);
+
/*
* There's no EDID data without a connected monitor. Set BMC-
* compatible modes in this case. The XGA default resolution