mirror of
https://github.com/openwrt/openwrt.git
synced 2024-12-25 08:21:14 +00:00
ed1536e0b6
Deleted (upstreamed): generic/backport-5.15/890-v5.19-net-sfp-Add-tx-fault-workaround-for-Huawei-MA5671A-SFP-ON.patch [1] Other patches automatically rebased. [1] https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=v5.15.41&id=99858114a3b2c8f5f8707d9bbd46c50f547c87c0 Signed-off-by: Rui Salvaterra <rsalvaterra@gmail.com>
41 lines
1.5 KiB
Diff
41 lines
1.5 KiB
Diff
From b460aee2dab3419842e24e7039a52d613b19a6e8 Mon Sep 17 00:00:00 2001
|
|
From: Maxime Ripard <maxime@cerno.tech>
|
|
Date: Mon, 25 Oct 2021 17:28:55 +0200
|
|
Subject: [PATCH] drm/vc4: hdmi: Fix HPD GPIO detection
|
|
|
|
Prior to commit 6800234ceee0 ("drm/vc4: hdmi: Convert to gpiod"), in the
|
|
detect hook, if we had an HPD GPIO we would only rely on it and return
|
|
whatever state it was in.
|
|
|
|
However, that commit changed that by mistake to only consider the case
|
|
where we have a GPIO and it returns a logical high, and would fall back
|
|
to the other methods otherwise.
|
|
|
|
Since we can read the EDIDs when the HPD signal is low on some displays,
|
|
we changed the detection status from disconnected to connected, and we
|
|
would ignore an HPD pulse.
|
|
|
|
Fixes: 6800234ceee0 ("drm/vc4: hdmi: Convert to gpiod")
|
|
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
|
|
Reviewed-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
|
|
Link: https://lore.kernel.org/r/20211025152903.1088803-3-maxime@cerno.tech
|
|
---
|
|
drivers/gpu/drm/vc4/vc4_hdmi.c | 6 +++---
|
|
1 file changed, 3 insertions(+), 3 deletions(-)
|
|
|
|
--- a/drivers/gpu/drm/vc4/vc4_hdmi.c
|
|
+++ b/drivers/gpu/drm/vc4/vc4_hdmi.c
|
|
@@ -173,9 +173,9 @@ vc4_hdmi_connector_detect(struct drm_con
|
|
|
|
WARN_ON(pm_runtime_resume_and_get(&vc4_hdmi->pdev->dev));
|
|
|
|
- if (vc4_hdmi->hpd_gpio &&
|
|
- gpiod_get_value_cansleep(vc4_hdmi->hpd_gpio)) {
|
|
- connected = true;
|
|
+ if (vc4_hdmi->hpd_gpio) {
|
|
+ if (gpiod_get_value_cansleep(vc4_hdmi->hpd_gpio))
|
|
+ connected = true;
|
|
} else if (HDMI_READ(HDMI_HOTPLUG) & VC4_HDMI_HOTPLUG_CONNECTED) {
|
|
connected = true;
|
|
}
|