Op 29-01-2019 om 15:22 schreef Hans de Goede: > We really want to have fastboot enabled by default to avoid an ugly > modeset during boot. > > Currently we are enabling fastboot by default on gen9+ (Skylake and newer). > The intention is to enable it on older generations after it has seen more > testing on gen9+. > > VLV and CHV devices are still being sold in stores today, as such it is > desirable to also enable fastboot by default on these now. > > I've extensively tested fastboot=1 support on over 50 different > Bay- and Cherry-Trail devices. Testing DSI and eDP panels as well as > HDMI output (and even DP over Type-C on one device). > > All 50 devices work fine with fastboot=1. On 2 devices their DSI panel > turns black as soon as the i915 driver loads when fastboot=0, so having > fastboot enabled is required for these 2 to work properly (for lack of > a better fix). > > Signed-off-by: Hans de Goede <hdegoede@xxxxxxxxxx> > --- > drivers/gpu/drm/i915/intel_display.c | 10 +++++++++- > 1 file changed, 9 insertions(+), 1 deletion(-) > > diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c > index d756d7358292..0ff42a38023c 100644 > --- a/drivers/gpu/drm/i915/intel_display.c > +++ b/drivers/gpu/drm/i915/intel_display.c > @@ -11672,7 +11672,15 @@ static bool fastboot_enabled(struct drm_i915_private *dev_priv) > return i915_modparams.fastboot; > > /* Enable fastboot by default on Skylake and newer */ > - return INTEL_GEN(dev_priv) >= 9; > + if (INTEL_GEN(dev_priv) >= 9) > + return true; > + > + /* Enable fastboot by default on VLV and CHV */ > + if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv)) > + return true; > + > + /* Disabled by default on all others */ > + return false; > } > > static bool Reviewed-by: Maarten Lankhorst <maarten.lankhorst@xxxxxxxxxxxxxxx> _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/intel-gfx
