kevin/linux
1
Fork 0
Code

drm/ast: vga: Clear EDID if no display is connected

Browse Source 
Do not keep the obsolete EDID around after unplugging the display
from the connector.

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Fixes: 2a2391f857 ("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
This commit is contained in:
Thomas Zimmermann 2024-10-15 08:49:07 +02:00
parent 5b3c0209e8
commit c09c4f2a97
1 changed files with 2 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/gpu/drm/ast/ast_vga.c
View File

@ -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