diff options
Diffstat (limited to 'target/linux/bcm27xx/patches-5.15/950-0006-drm-vc4-hdmi-Fix-HPD-GPIO-detection.patch')
-rw-r--r-- | target/linux/bcm27xx/patches-5.15/950-0006-drm-vc4-hdmi-Fix-HPD-GPIO-detection.patch | 40 |
1 files changed, 0 insertions, 40 deletions
diff --git a/target/linux/bcm27xx/patches-5.15/950-0006-drm-vc4-hdmi-Fix-HPD-GPIO-detection.patch b/target/linux/bcm27xx/patches-5.15/950-0006-drm-vc4-hdmi-Fix-HPD-GPIO-detection.patch deleted file mode 100644 index 910f983bd1..0000000000 --- a/target/linux/bcm27xx/patches-5.15/950-0006-drm-vc4-hdmi-Fix-HPD-GPIO-detection.patch +++ /dev/null @@ -1,40 +0,0 @@ -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; - } |