From nobody Mon Feb 9 04:03:46 2026 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 47B1935A125; Thu, 13 Nov 2025 17:57:44 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1763056664; cv=none; b=pL6+gAYm6WqsygJojOqXE4oFPSCA3g2LNwvR6yDUvQcDEg0mrcO+BH8wte6Y68leklo5kEzGkfu1gjnMt5e92zP3mzd+4PVStrbdvFCW8JDfeiX/F7TaTb2oMPPy2pSE3HAFFhQ6BkG5zkgO6LgWcfgCj3bXCW8xTbk+EUf6244= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1763056664; c=relaxed/simple; bh=10XNWDQ1dULf+P9kZ2dHmDwf8V4xwRtNb2eTtETPwsg=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=Wa8gA0tcoIHcbEMYlYTTCfVbLxGcgz0hlFWz6MeX/x7oi7BUxXhJBKdLFi27v0HPVeVNldQO5gibBMo61GYNnP82T2IeqiRo99HbyykmxBku8t5KA4DmwA5pCawnaY5ZY1C33JpRcZRoHJahvm9wNXOMWiywx84B9hYIj7ZSFXs= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=lD4gdqjN; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="lD4gdqjN" Received: by smtp.kernel.org (Postfix) with ESMTPS id BE4E8C2BCB5; Thu, 13 Nov 2025 17:57:43 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1763056663; bh=10XNWDQ1dULf+P9kZ2dHmDwf8V4xwRtNb2eTtETPwsg=; h=From:Date:Subject:References:In-Reply-To:To:Cc:Reply-To:From; b=lD4gdqjNewhyihAZYlTrRCj35GOYfToGv+06B1OPySAFTM0Jx82a4M++RGURm45bF 05f75x69UnJzHdYlu8SpX113s/bwSViAaivmdBkNaVrenJslPY6XOcJDZ2iu4eaiOw HVUw0OKIOiCAoJH7xhRdpUg8l89/dtDzBELvERmaHkiA+ME3GwXAJF26qXhjboYCPB nf2HD5QPbx8hxjWrSzbKVdWuh90IeE6zDvc5oWvpBe/R22Ryyw4ExfinoCgcBBo30P 9Oq5PPZa/aDW/m13M0DC+M5OZe1d0RdViFuBiFHa6WDW7Rfy2wdDi5OltDDFqxpMqV bl5KHNZEiqiAA== Received: from aws-us-west-2-korg-lkml-1.web.codeaurora.org (localhost.localdomain [127.0.0.1]) by smtp.lore.kernel.org (Postfix) with ESMTP id B1DE1CD8CBD; Thu, 13 Nov 2025 17:57:43 +0000 (UTC) From: David Heidelberg via B4 Relay Date: Thu, 13 Nov 2025 18:57:45 +0100 Subject: [PATCH v2 11/12] drm/panel: sofef00: Mark the LPM mode always-on 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: <20251113-sofef00-rebuild-v2-11-e175053061ec@ixit.cz> References: <20251113-sofef00-rebuild-v2-0-e175053061ec@ixit.cz> In-Reply-To: <20251113-sofef00-rebuild-v2-0-e175053061ec@ixit.cz> To: Neil Armstrong , Jessica Zhang , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Thierry Reding , Sam Ravnborg , Bjorn Andersson , Konrad Dybcio , Casey Connolly Cc: dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, phone-devel@vger.kernel.org, David Heidelberg X-Mailer: b4 0.14.3 X-Developer-Signature: v=1; a=openpgp-sha256; l=1446; i=david@ixit.cz; h=from:subject:message-id; bh=dv4mgLKU6V9KA5Q8a78znnVTuWL2bX0IVKAwUPXHk8E=; b=owEBbQKS/ZANAwAIAWACP8TTSSByAcsmYgBpFhwVWR0DhH3x/QekF3rJ8kiBp445Bbqdsqmu0 DdyTzmWe7yJAjMEAAEIAB0WIQTXegnP7twrvVOnBHRgAj/E00kgcgUCaRYcFQAKCRBgAj/E00kg cpEdD/9kDTBHwwsLMzCluvZCQG+MVWx7VHsDr/2TaORCXi68pKGY8svhOAB48NGv5nUCWkQbEHc Kep8Qx+rf3Ht1JHdpUoDJ5FwNbeYlPaXJhsQv967lwvTt5sAloZk8j4FYxxCP+HqbZ0oXVDmqNp ErPs5Y8tbiFkgUVjFiQ41LrPc8Shl7R9aIw0DKrmTQFSkfpRurb36KC4I8cE3bVD38+k/cEhuy7 JHq0mH/1PKntoxIm+T7XPQ1tQSwlRCSuXlrnIRcwjvs3/T052qaJXNC1RkM8a51WIGLiHZR7cvK de0wjvU35VOGe97oA0JoqYgpQhLRkDjvbO5Wgah2pijoPq1l5pWezoxDTOU91TpC6bdQFRyCLtP rLISelPF7lCoUmiJeImxd5y9eEXMDMYLQcJ4Uz1aBuJbha+ki4bW0hR2jwcEdJ8BPTCobiHt24I PYR3XAF+4oKRyNz5ciwXz1RVH5drEQpzwOqFuFOENyc9HQ/9GtYriexYuNhrNfnhbxwCyigaIfs d+gbrJslaKwhbOEEp6dFOuN1oEkM1FJGBygGVTdI1GBUH+5UFae1d1Tk5R3g2HwWvJ3XIZnQO1P /IqDJz9Hq5/fYK5kqOz33UkK9zUidF1ewOpnoJTRfiKcAinFz3bN21ZbcqYmaN72MDgPHZMsJ9M /BTsijqnJE+U7QA== X-Developer-Key: i=david@ixit.cz; a=openpgp; fpr=D77A09CFEEDC2BBD53A7047460023FC4D3492072 X-Endpoint-Received: by B4 Relay for david@ixit.cz/default with auth_id=355 X-Original-From: David Heidelberg Reply-To: david@ixit.cz From: David Heidelberg The panel operated in low-power mode, with exception of changing the brightness levels. Signed-off-by: David Heidelberg --- drivers/gpu/drm/panel/panel-samsung-sofef00.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/panel/panel-samsung-sofef00.c b/drivers/gpu/dr= m/panel/panel-samsung-sofef00.c index e69a28628b656..8286cad385738 100644 --- a/drivers/gpu/drm/panel/panel-samsung-sofef00.c +++ b/drivers/gpu/drm/panel/panel-samsung-sofef00.c @@ -92,8 +92,6 @@ static int sofef00_panel_off(struct sofef00_panel *ctx) struct mipi_dsi_device *dsi =3D ctx->dsi; struct mipi_dsi_multi_context dsi_ctx =3D { .dsi =3D dsi }; =20 - dsi->mode_flags &=3D ~MIPI_DSI_MODE_LPM; - mipi_dsi_dcs_set_display_off_multi(&dsi_ctx); mipi_dsi_msleep(&dsi_ctx, 40); =20 @@ -180,10 +178,14 @@ static int sofef00_panel_bl_update_status(struct back= light_device *bl) int err; u16 brightness =3D (u16)backlight_get_brightness(bl); =20 + dsi->mode_flags &=3D ~MIPI_DSI_MODE_LPM; + err =3D mipi_dsi_dcs_set_display_brightness_large(dsi, brightness); if (err < 0) return err; =20 + dsi->mode_flags |=3D MIPI_DSI_MODE_LPM; + return 0; } =20 @@ -234,6 +236,7 @@ static int sofef00_panel_probe(struct mipi_dsi_device *= dsi) =20 dsi->lanes =3D 4; dsi->format =3D MIPI_DSI_FMT_RGB888; + dsi->mode_flags =3D MIPI_DSI_MODE_LPM; =20 ctx->panel.prepare_prev_first =3D true; =20 --=20 2.51.0