Le 30/04/2015 16:39, Boris Brezillon a écrit : > All modes exposed by simple panels should be tagged as driver defined > modes. > Moreover, if a panel supports only one mode, this mode is obviously the > preferred one. > > Doing this also fix a problem occurring when a 'video=' parameter is passed > on the kernel cmdline. In some cases the user provided mode is preferred > over the simple panel ones, which might result in unpredictable behavior. > > Signed-off-by: Boris Brezillon <[email protected]>
Tested-by: Nicolas Ferre <[email protected]> On Atmel sama5d3xek board. > --- > drivers/gpu/drm/panel/panel-simple.c | 8 ++++++++ > 1 file changed, 8 insertions(+) > > diff --git a/drivers/gpu/drm/panel/panel-simple.c > b/drivers/gpu/drm/panel/panel-simple.c > index d14b904..95ae390 100644 > --- a/drivers/gpu/drm/panel/panel-simple.c > +++ b/drivers/gpu/drm/panel/panel-simple.c > @@ -111,6 +111,10 @@ static int panel_simple_get_fixed_modes(struct > panel_simple *panel) > continue; > } > > + mode->type |= DRM_MODE_TYPE_DRIVER; > + if (panel->desc->num_modes == 1) > + mode->type |= DRM_MODE_TYPE_PREFERRED; > + > drm_display_mode_from_videomode(&vm, mode); > > drm_mode_probed_add(connector, mode); > @@ -127,6 +131,10 @@ static int panel_simple_get_fixed_modes(struct > panel_simple *panel) > continue; > } > > + mode->type |= DRM_MODE_TYPE_DRIVER; > + if (panel->desc->num_modes == 1) > + mode->type |= DRM_MODE_TYPE_PREFERRED; > + > drm_mode_set_name(mode); > > drm_mode_probed_add(connector, mode); > -- Nicolas Ferre -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
