[PATCH 1/2] drm/ast: sil164: Clear EDID if no display is connected
Thomas Zimmermann
tzimmermann at suse.de
Tue Oct 15 06:49:06 UTC 2024
Do not keep the obsolete EDID around after unplugging the display
from the connector.
Signed-off-by: Thomas Zimmermann <tzimmermann at suse.de>
Fixes: d20c2f846428 ("drm/ast: sil164: Transparently handle BMC support")
Cc: Thomas Zimmermann <tzimmermann at suse.de>
Cc: Jocelyn Falempe <jfalempe at redhat.com>
Cc: Dave Airlie <airlied at redhat.com>
Cc: dri-devel at lists.freedesktop.org
---
drivers/gpu/drm/ast/ast_sil164.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/gpu/drm/ast/ast_sil164.c b/drivers/gpu/drm/ast/ast_sil164.c
index 6a72268d2314..be01254dd48a 100644
--- a/drivers/gpu/drm/ast/ast_sil164.c
+++ b/drivers/gpu/drm/ast/ast_sil164.c
@@ -29,6 +29,8 @@ static int ast_sil164_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
--
2.46.0
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