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 10DF81170E for ; Mon, 11 Sep 2023 14:03:41 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 812F0C433C8; Mon, 11 Sep 2023 14:03:40 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1694441020; bh=zgN9Pwh/2DbSjQ3UIAv7nxrNWuBXg95E3ZBlMmVR3jc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=E5nl8R9371jYeNljXswxXhO6/kaNlbR50vGsD1KhfqjKu2wxbcV6LyKIcMfs2hxp2 b9Xdy5Kz5lES7kkeslulTPExstPAzJTyBxsGItSfTKV6QtBHi4zOhfKcZqLj/hw35M JR4/ZtuCPbK1+4H1N5coxKbKLTRd6FTM4qT/khvg= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Robert Foss , Nuno Sa , Bogdan Togorean , Alexandru Ardelean , Frieder Schrempf , Sasha Levin Subject: [PATCH 6.5 268/739] drm: adv7511: Fix low refresh rate register for ADV7533/5 Date: Mon, 11 Sep 2023 15:41:07 +0200 Message-ID: <20230911134658.619433119@linuxfoundation.org> X-Mailer: git-send-email 2.42.0 In-Reply-To: <20230911134650.921299741@linuxfoundation.org> References: <20230911134650.921299741@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 6.5-stable review patch. If anyone has any objections, please let me know. ------------------ From: Bogdan Togorean [ Upstream commit d281eeaa4de2636ff0c8e6ae387bb07b50e5fcbb ] For ADV7533 and ADV7535 low refresh rate is selected using bits [3:2] of 0x4a main register. So depending on ADV model write 0xfb or 0x4a register. Fixes: 2437e7cd88e8 ("drm/bridge: adv7533: Initial support for ADV7533") Reviewed-by: Robert Foss Reviewed-by: Nuno Sa Signed-off-by: Bogdan Togorean Signed-off-by: Alexandru Ardelean Reviewed-by: Frieder Schrempf Signed-off-by: Robert Foss Link: https://patchwork.freedesktop.org/patch/msgid/20230719060143.63649-1-alex@shruggie.ro Signed-off-by: Sasha Levin --- drivers/gpu/drm/bridge/adv7511/adv7511_drv.c | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c b/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c index 2254457ab5d02..9aeeb63435cd9 100644 --- a/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c +++ b/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c @@ -786,8 +786,13 @@ static void adv7511_mode_set(struct adv7511 *adv7511, else low_refresh_rate = ADV7511_LOW_REFRESH_RATE_NONE; - regmap_update_bits(adv7511->regmap, 0xfb, - 0x6, low_refresh_rate << 1); + if (adv7511->type == ADV7511) + regmap_update_bits(adv7511->regmap, 0xfb, + 0x6, low_refresh_rate << 1); + else + regmap_update_bits(adv7511->regmap, 0x4a, + 0xc, low_refresh_rate << 2); + regmap_update_bits(adv7511->regmap, 0x17, 0x60, (vsync_polarity << 6) | (hsync_polarity << 5)); -- 2.40.1