diff options
| author | Thomas Zimmermann <tzimmermann@suse.de> | 2022-05-11 20:31:23 +0200 |
|---|---|---|
| committer | Thomas Zimmermann <tzimmermann@suse.de> | 2022-05-16 13:42:49 +0200 |
| commit | b6415bd7386bcf9d2e0d6ee1d4ef4186e7a87b24 (patch) | |
| tree | 139f43d2cbf1fffc6fb070c1b9917d73c3d1ac23 /drivers/gpu/drm/drm_modes.c | |
| parent | 98526c5bbe3267d447ddd076b685439e3e1396c6 (diff) | |
drm: Always warn if user-defined modes are not supported
Print a warning if a user-specifed display mode is not supported by
the display pipeline. Users specified the display mode on the kernel
command line with the use of the video= parameter. Setting an
unsupported mode will leave the console blank, so we should at least
let the user know why.
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Javier Martinez Canillas <javierm@redhat.com>
Reviewed-by: Maxime Ripard <maxime@cerno.tech>
Link: https://patchwork.freedesktop.org/patch/msgid/20220511183125.14294-2-tzimmermann@suse.de
Diffstat (limited to 'drivers/gpu/drm/drm_modes.c')
| -rw-r--r-- | drivers/gpu/drm/drm_modes.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gpu/drm/drm_modes.c b/drivers/gpu/drm/drm_modes.c index 14b746f7ba97..40b7b245e98c 100644 --- a/drivers/gpu/drm/drm_modes.c +++ b/drivers/gpu/drm/drm_modes.c @@ -1328,6 +1328,10 @@ void drm_mode_prune_invalid(struct drm_device *dev, list_for_each_entry_safe(mode, t, mode_list, head) { if (mode->status != MODE_OK) { list_del(&mode->head); + if (mode->type & DRM_MODE_TYPE_USERDEF) { + drm_warn(dev, "User-defined mode not supported: " + DRM_MODE_FMT "\n", DRM_MODE_ARG(mode)); + } if (verbose) { drm_mode_debug_printmodeline(mode); DRM_DEBUG_KMS("Not using %s mode: %s\n", |