From nobody Wed Oct 8 16:06:34 2025 Received: from layka.disroot.org (layka.disroot.org [178.21.23.139]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id CC2882FA630; Thu, 26 Jun 2025 19:41:07 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=178.21.23.139 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1750966873; cv=none; b=ZuhSkvz494+JTJoT8oaUFg0Jf573vCh/eMFPABmmak0Ku3nPsbBsG9Jwx9aEtlJGkEzMkp6O8bhiXIy68XaKrvQxdevIYWobnh2VgnY1luWPp7ckwJ/ci64zDVxf43xXYPOE/3QoWr3ExMioYOdPpGo+9TscoseouTaE3rG0mVM= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1750966873; c=relaxed/simple; bh=u2gNoGL1EkUKTCKTqebfk2oKp+u2JbaoBZpY/Rvkb4g=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=Foh/iRrIA37VVwRkxXxZCWdN7TJoqK6sXWLJ4lEauSFhdRqBXc7qrIEC3CB7D6S/4bUoMfb4u9EJy7V+8gr4/K/eFWL5MGdTPklERzo0GDyQAtdJBU5CIJ1JKv6MZKv6ODXDt5n216h8Khdu3mVq7hNSYrljNMldpuIroJDkSFg= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=disroot.org; spf=pass smtp.mailfrom=disroot.org; dkim=pass (2048-bit key) header.d=disroot.org header.i=@disroot.org header.b=Lb3j0kGr; arc=none smtp.client-ip=178.21.23.139 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=disroot.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=disroot.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=disroot.org header.i=@disroot.org header.b="Lb3j0kGr" Received: from mail01.disroot.lan (localhost [127.0.0.1]) by disroot.org (Postfix) with ESMTP id 5FBE225AFA; Thu, 26 Jun 2025 21:41:06 +0200 (CEST) X-Virus-Scanned: SPAM Filter at disroot.org Received: from layka.disroot.org ([127.0.0.1]) by localhost (disroot.org [127.0.0.1]) (amavis, port 10024) with ESMTP id lFCUli431S5E; Thu, 26 Jun 2025 21:41:05 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=disroot.org; s=mail; t=1750966865; bh=u2gNoGL1EkUKTCKTqebfk2oKp+u2JbaoBZpY/Rvkb4g=; h=From:Date:Subject:References:In-Reply-To:To:Cc; b=Lb3j0kGrriHaoBpC4hGLaDqjZ0kTOQ4BM2YaozjNb+EISLlOKii0na8hdm/PImaRT FvrKztzM616N13kJN19V3aXYIKhLwsFc4mra8+0aD0cAD4N5VlTOVF5D+Yvs90Pt4u xTjFPv72FZxuXp4SrsLqvm0h19IaSYYu+fh8Xj49E6wM8lDEWqQCVD7a9Vik2cP7xT LktAuxOZOCYDWRLrQHR0p1CiY42rxBOSEYT48wEWqtYotsbi3PVLJ+c4fB8rzCXQ7l y/3l9FkMlr6xPyvIMMA2X3+Zhs+TGy7A48vWNtHA9J2KNFoqopyEDvR2S/avRiC4TS MJxt7zPuZJoMA== From: Kaustabh Chakraborty Date: Fri, 27 Jun 2025 01:08:58 +0530 Subject: [PATCH v2 09/13] drm/bridge: samsung-dsim: increase timeout value for PLL_STABLE Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20250627-exynos7870-dsim-v2-9-1433b67378d3@disroot.org> References: <20250627-exynos7870-dsim-v2-0-1433b67378d3@disroot.org> In-Reply-To: <20250627-exynos7870-dsim-v2-0-1433b67378d3@disroot.org> To: Inki Dae , Jagan Teki , Marek Szyprowski , Andrzej Hajda , Neil Armstrong , Robert Foss , Laurent Pinchart , Jonas Karlman , Jernej Skrabec , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Seung-Woo Kim , Kyungmin Park , Krzysztof Kozlowski , Alim Akhtar Cc: dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, Kaustabh Chakraborty X-Developer-Signature: v=1; a=ed25519-sha256; t=1750966738; l=926; i=kauschluss@disroot.org; s=20250202; h=from:subject:message-id; bh=u2gNoGL1EkUKTCKTqebfk2oKp+u2JbaoBZpY/Rvkb4g=; b=tuIO+GEyrWvCTjkPRhokjgmcnFCs1r/Ux62zw0hOtqO2IHMl5Gi3MccQ0YL91PrCUp0knSDAm b7R0B69o9RuDa3Cg6gLlmbOqv+gApGtxia1YDbaGcYIyV+xmJKhMGEB X-Developer-Key: i=kauschluss@disroot.org; a=ed25519; pk=h2xeR+V2I1+GrfDPAhZa3M+NWA0Cnbdkkq1bH3ct1hE= Exynos7870's DSIM requires more time to stabilize its PLL. The current timeout value, 1000, doesn't suffice. Increase the value to 3000, which is just about enough as observed experimentally. Signed-off-by: Kaustabh Chakraborty --- drivers/gpu/drm/bridge/samsung-dsim.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/bridge/samsung-dsim.c b/drivers/gpu/drm/bridge= /samsung-dsim.c index 739e1d1e6d239d06896daa131b692309cfeda843..5b96a5a1c78d212aca4e4fb0579= 52927eb90f0d4 100644 --- a/drivers/gpu/drm/bridge/samsung-dsim.c +++ b/drivers/gpu/drm/bridge/samsung-dsim.c @@ -752,7 +752,7 @@ static unsigned long samsung_dsim_set_pll(struct samsun= g_dsim *dsi, =20 samsung_dsim_write(dsi, DSIM_PLLCTRL_REG, reg); =20 - timeout =3D 1000; + timeout =3D 3000; do { if (timeout-- =3D=3D 0) { dev_err(dsi->dev, "PLL failed to stabilize\n"); --=20 2.49.0