From mboxrd@z Thu Jan 1 00:00:00 1970 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 98640BA32 for ; Tue, 7 Mar 2023 17:26:13 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 0DF89C433D2; Tue, 7 Mar 2023 17:26:12 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1678209973; bh=j3SsXPfit0k+7teO/+qymtnavDrv+NJw0Di82qu0viU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=e+QIjbiuR4HnYM+3k6d5dvAAcO6vS4oF9A3IKwNxEOPZ0AlQFlj+Xn+CECUsSdnNN m3CVRFlN3Kr8SM4qBzaZfJtvFurp12xcrwOazk/VOuokeJuvSkFT2Ye0XJBOrB/8YK Y9mmx35+gd668oXdSBfmiFfG4xvFjT7BVSPB4TTA= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Marek Vasut , Maxime Ripard , Sasha Levin Subject: [PATCH 6.2 0360/1001] drm/bridge: tc358767: Set default CLRSIPO count Date: Tue, 7 Mar 2023 17:52:12 +0100 Message-Id: <20230307170037.047713793@linuxfoundation.org> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230307170022.094103862@linuxfoundation.org> References: <20230307170022.094103862@linuxfoundation.org> User-Agent: quilt/0.67 Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit From: Marek Vasut [ Upstream commit 01338bb82fed40a6a234c2b36a92367c8671adf0 ] The current CLRSIPO count is still marginal and does not work with high DSI clock rates in burst mode. Increase it further to allow the DSI link to work at up to 1Gbps lane speed. This returns the counts to defaults as provided by datasheet. Fixes: ea6490b02240b ("drm/bridge: tc358767: increase CLRSIPO count") Signed-off-by: Marek Vasut Acked-by: Maxime Ripard Link: https://patchwork.freedesktop.org/patch/msgid/20221016003556.406441-1-marex@denx.de Signed-off-by: Sasha Levin --- drivers/gpu/drm/bridge/tc358767.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/gpu/drm/bridge/tc358767.c b/drivers/gpu/drm/bridge/tc358767.c index 2a58eb271f701..b9b681086fc49 100644 --- a/drivers/gpu/drm/bridge/tc358767.c +++ b/drivers/gpu/drm/bridge/tc358767.c @@ -1264,10 +1264,10 @@ static int tc_dsi_rx_enable(struct tc_data *tc) u32 value; int ret; - regmap_write(tc->regmap, PPI_D0S_CLRSIPOCOUNT, 5); - regmap_write(tc->regmap, PPI_D1S_CLRSIPOCOUNT, 5); - regmap_write(tc->regmap, PPI_D2S_CLRSIPOCOUNT, 5); - regmap_write(tc->regmap, PPI_D3S_CLRSIPOCOUNT, 5); + regmap_write(tc->regmap, PPI_D0S_CLRSIPOCOUNT, 25); + regmap_write(tc->regmap, PPI_D1S_CLRSIPOCOUNT, 25); + regmap_write(tc->regmap, PPI_D2S_CLRSIPOCOUNT, 25); + regmap_write(tc->regmap, PPI_D3S_CLRSIPOCOUNT, 25); regmap_write(tc->regmap, PPI_D0S_ATMR, 0); regmap_write(tc->regmap, PPI_D1S_ATMR, 0); regmap_write(tc->regmap, PPI_TX_RX_TA, TTA_GET | TTA_SURE); -- 2.39.2