On Wed, Jul 26, 2017 at 10:56:33PM +0200, Takashi Iwai wrote:
The bochs drm driver doesn't treat with DPMS, so we should return an error from the connector dpms callback so that the fbcon can fall back to the generic blank mode.
Signed-off-by: Takashi Iwai tiwai@suse.de
drivers/gpu/drm/bochs/bochs_kms.c | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/bochs/bochs_kms.c b/drivers/gpu/drm/bochs/bochs_kms.c index 6a91e62da2f4..a60d1a05950f 100644 --- a/drivers/gpu/drm/bochs/bochs_kms.c +++ b/drivers/gpu/drm/bochs/bochs_kms.c @@ -217,6 +217,13 @@ bochs_connector_best_encoder(struct drm_connector *connector) return NULL; }
+static int bochs_connector_dpms(struct drm_connector *connector, int mode) +{
- drm_helper_connector_dpms(connector, mode);
- /* FIXME: return error to make fbcon generic blank working */
- return -EINVAL;
Thought about this some more, disabling the screen and return -EINVAL (to userspace even) feels like rather bad semantics. Could we just do an -EINVAL instead?
I thought the DPMS off change doesn't do anything anyway, so this is pure dead code. -Daniel
+}
static const struct drm_connector_helper_funcs bochs_connector_connector_helper_funcs = { .get_modes = bochs_connector_get_modes, .mode_valid = bochs_connector_mode_valid, @@ -224,7 +231,7 @@ static const struct drm_connector_helper_funcs bochs_connector_connector_helper_ };
static const struct drm_connector_funcs bochs_connector_connector_funcs = {
- .dpms = drm_helper_connector_dpms,
- .dpms = bochs_connector_dpms, .fill_modes = drm_helper_probe_single_connector_modes, .destroy = drm_connector_cleanup,
};
2.13.3
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