From mboxrd@z Thu Jan 1 00:00:00 1970 From: Anatolij Gustschin Date: Thu, 8 Jan 2015 18:08:38 +0100 Subject: [U-Boot] [PATCH 5/6] sunxi: video: Give hotplug-detect (hpd) signal some time to show up In-Reply-To: <1419086525-7735-6-git-send-email-hdegoede@redhat.com> References: <1419086525-7735-1-git-send-email-hdegoede@redhat.com> <1419086525-7735-6-git-send-email-hdegoede@redhat.com> Message-ID: <20150108180838.705f24f6@crub> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de On Sat, 20 Dec 2014 15:42:04 +0100 Hans de Goede wrote: > When using a hdmi powered hdmi to vga dongle, and cold booting a sunxi > device, the hpd detect code would not see the dongle (until a warm reboot), > because the dongle needs some time to boot. > > Testing has shown that this dongle needs 213ms to respond on a cold boot, > so wait up to 300ms for a hpd signal to show up before giving up. > > Signed-off-by: Hans de Goede Acked-by: Anatolij Gustschin