linux-kernel - [PATCH] drm/i915/display/lspcon: Increase LSPCON mode settle timeout

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Message-ID: <20220915004601.320198-1-pceballos@google.com>
Date:   Thu, 15 Sep 2022 00:46:01 +0000
From:   Pablo Ceballos <pceballos@...gle.com>
To:     David Airlie <airlied@...ux.ie>, Daniel Vetter <daniel@...ll.ch>
Cc:     Jani Nikula <jani.nikula@...ux.intel.com>,
        Joonas Lahtinen <joonas.lahtinen@...ux.intel.com>,
        Rodrigo Vivi <rodrigo.vivi@...el.com>,
        Tvrtko Ursulin <tvrtko.ursulin@...ux.intel.com>,
        "Ville Syrjälä" 
        <ville.syrjala@...ux.intel.com>,
        Thomas Zimmermann <tzimmermann@...e.de>,
        Javier Martinez Canillas <javierm@...hat.com>,
        Sam Ravnborg <sam@...nborg.org>,
        Pablo Ceballos <pceballos@...gle.com>,
        Maxime Ripard <maxime@...no.tech>,
        intel-gfx@...ts.freedesktop.org, dri-devel@...ts.freedesktop.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH] drm/i915/display/lspcon: Increase LSPCON mode settle timeout

On some devices the Parade PS175 takes more than 400ms to settle in PCON
mode.

Signed-off-by: Pablo Ceballos <pceballos@...gle.com>
---
 drivers/gpu/drm/i915/display/intel_lspcon.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/display/intel_lspcon.c b/drivers/gpu/drm/i915/display/intel_lspcon.c
index 15d59de8810e..b4cbade13ee5 100644
--- a/drivers/gpu/drm/i915/display/intel_lspcon.c
+++ b/drivers/gpu/drm/i915/display/intel_lspcon.c
@@ -166,7 +166,7 @@ static enum drm_lspcon_mode lspcon_wait_mode(struct intel_lspcon *lspcon,
 	drm_dbg_kms(&i915->drm, "Waiting for LSPCON mode %s to settle\n",
 		    lspcon_mode_name(mode));
 
-	wait_for((current_mode = lspcon_get_current_mode(lspcon)) == mode, 400);
+	wait_for((current_mode = lspcon_get_current_mode(lspcon)) == mode, 800);
 	if (current_mode != mode)
 		drm_err(&i915->drm, "LSPCON mode hasn't settled\n");
 
-- 
2.37.2.789.g6183377224-goog