Message ID | 20171101141807.38705-2-icenowy@aosc.io |
---|---|
State | Accepted |
Commit | 460b15adc9baab3dd403191b14c34647a24c1fcc |
Delegated to: | Jagannadha Sutradharudu Teki |
Headers | show |
Series | Fix DE2 SimpleFB node creation and support LCD SimpleFB | expand |
On Wed, Nov 1, 2017 at 7:48 PM, Icenowy Zheng <icenowy@aosc.io> wrote: > When HDMI is not initialized (e.g. no monitor is plugged), the current > SimpleFB code will still create a broken SimpleFB node. > > Detect whether HDMI is initialized when creating SimpleFB node. > > Fixes: be5b96f0e411 ("sunxi: setup simplefb for Allwinner DE2") > Signed-off-by: Icenowy Zheng <icenowy@aosc.io> > --- Reviewed-by: Jagan Teki <jagan@openedev.com> thanks!
On Wed, Nov 01, 2017 at 10:18:06PM +0800, Icenowy Zheng wrote: > When HDMI is not initialized (e.g. no monitor is plugged), the current > SimpleFB code will still create a broken SimpleFB node. > > Detect whether HDMI is initialized when creating SimpleFB node. > > Fixes: be5b96f0e411 ("sunxi: setup simplefb for Allwinner DE2") > Signed-off-by: Icenowy Zheng <icenowy@aosc.io> Acked-by: Maxime Ripard <maxime.ripard@free-electrons.com>
On Thu, Nov 2, 2017 at 5:54 PM, Maxime Ripard <maxime.ripard@free-electrons.com> wrote: > On Wed, Nov 01, 2017 at 10:18:06PM +0800, Icenowy Zheng wrote: >> When HDMI is not initialized (e.g. no monitor is plugged), the current >> SimpleFB code will still create a broken SimpleFB node. >> >> Detect whether HDMI is initialized when creating SimpleFB node. >> >> Fixes: be5b96f0e411 ("sunxi: setup simplefb for Allwinner DE2") >> Signed-off-by: Icenowy Zheng <icenowy@aosc.io> > > Acked-by: Maxime Ripard <maxime.ripard@free-electrons.com> Applied to u-boot-sunxi/master thanks!
diff --git a/drivers/video/sunxi/sunxi_de2.c b/drivers/video/sunxi/sunxi_de2.c index e8903400ec..6d6bb2e0c3 100644 --- a/drivers/video/sunxi/sunxi_de2.c +++ b/drivers/video/sunxi/sunxi_de2.c @@ -346,13 +346,19 @@ int sunxi_simplefb_setup(void *blob) "sunxi_dw_hdmi", &hdmi); if (ret) { debug("HDMI not present\n"); - return 0; + } else if (device_active(hdmi)) { + if (mux == 0) + pipeline = "mixer0-lcd0-hdmi"; + else + pipeline = "mixer1-lcd1-hdmi"; + } else { + debug("HDMI present but not probed\n"); } - if (mux == 0) - pipeline = "mixer0-lcd0-hdmi"; - else - pipeline = "mixer1-lcd1-hdmi"; + if (!pipeline) { + debug("No active display present\n"); + return 0; + } de2_priv = dev_get_uclass_priv(de2); de2_plat = dev_get_uclass_platdata(de2);
When HDMI is not initialized (e.g. no monitor is plugged), the current SimpleFB code will still create a broken SimpleFB node. Detect whether HDMI is initialized when creating SimpleFB node. Fixes: be5b96f0e411 ("sunxi: setup simplefb for Allwinner DE2") Signed-off-by: Icenowy Zheng <icenowy@aosc.io> --- drivers/video/sunxi/sunxi_de2.c | 16 +++++++++++----- 1 file changed, 11 insertions(+), 5 deletions(-)