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 37FE42114; Tue, 23 Jan 2024 00:24:53 +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=1705969493; cv=none; b=Y1G0VVu2PyR2ScgkZo2+e7Mwhkw/Q95ptwwPDUJekztUEWUbTQ4MtFk0g9dYmv7IOKlj4GtWKDLRLHYm8KQQheEkxjYj35a/qMQ2wTxSErjZj88XEWxr7Vy2nbEiQF6hluEsWDVOhFOh6mNSViN4+9tuNLZAtOMFkpErSjDpzrk= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1705969493; c=relaxed/simple; bh=bYr5SI3DL8Pi4VmQJnTkmGcW+Xc7y8sHf2jVWKpy22Q=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=h+BHZtvck54PeVlMq4oDFDdK96Qb0DeHcwXl553HBXLdLpwaA76bstDvfOSBvE7pWohrNY77q4htLumlELaccrX44L2qAm5ng86G2+V7L0ozzVUwEo3guVmaIRqKmPM4grSZO2O8LyZU3nS/KVfc2+GpEOtM9hdhfOjq+FFDdHo= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=uuF4Obmz; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="uuF4Obmz" Received: by smtp.kernel.org (Postfix) with ESMTPSA id EC059C43390; Tue, 23 Jan 2024 00:24:52 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1705969493; bh=bYr5SI3DL8Pi4VmQJnTkmGcW+Xc7y8sHf2jVWKpy22Q=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=uuF4ObmzLjeHItjmDkm23/vi1z04N7W5BR1F9zQotJTQosuHhQ7AmFzobknCybzcf PO12JPhXNCr5XgTttKn4lhnFbs8qL7HG6KWVYKWGa19iQjYQu5TcKzIJPTZsEeFRzj IWwAXx7SWTtGm3BfLNXmGMA9dJlFloIkKxhtVKbI= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Xin Ji , Robert Foss , Sasha Levin Subject: [PATCH 6.7 264/641] Revert "drm/bridge: Add 200ms delay to wait FW HPD status stable" Date: Mon, 22 Jan 2024 15:52:48 -0800 Message-ID: <20240122235826.188201133@linuxfoundation.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240122235818.091081209@linuxfoundation.org> References: <20240122235818.091081209@linuxfoundation.org> User-Agent: quilt/0.67 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.7-stable review patch. If anyone has any objections, please let me know. ------------------ From: Xin Ji [ Upstream commit af3145aa142c92409d3b123ff87ff0b5fd0bf849 ] This reverts commit 330140d7319fcc4ec68bd924ea212e476bf12275 200ms delay will cause panel display image later than backlight turn on, revert this patch. Fixes: 330140d7319fcc ("drm/bridge: Add 200ms delay to wait FW HPD status stable") Signed-off-by: Xin Ji Reviewed-by: Robert Foss Signed-off-by: Robert Foss Link: https://patchwork.freedesktop.org/patch/msgid/20231120091038.284825-1-xji@analogixsemi.com Signed-off-by: Sasha Levin --- drivers/gpu/drm/bridge/analogix/anx7625.c | 3 --- 1 file changed, 3 deletions(-) diff --git a/drivers/gpu/drm/bridge/analogix/anx7625.c b/drivers/gpu/drm/bridge/analogix/anx7625.c index 8f740154707d..51abe42c639e 100644 --- a/drivers/gpu/drm/bridge/analogix/anx7625.c +++ b/drivers/gpu/drm/bridge/analogix/anx7625.c @@ -1464,9 +1464,6 @@ static int _anx7625_hpd_polling(struct anx7625_data *ctx, if (ctx->pdata.intp_irq) return 0; - /* Delay 200ms for FW HPD de-bounce */ - msleep(200); - ret = readx_poll_timeout(anx7625_read_hpd_status_p0, ctx, val, ((val & HPD_STATUS) || (val < 0)), -- 2.43.0