From: "Jernej Škrabec" <jernej.skrabec@siol.net>
To: Chen-Yu Tsai <wens@csie.org>
Cc: Maxime Ripard <maxime.ripard@bootlin.com>,
Rob Herring <robh+dt@kernel.org>, David Airlie <airlied@linux.ie>,
Gustavo Padovan <gustavo@padovan.org>,
Maarten Lankhorst <maarten.lankhorst@linux.intel.com>,
Sean Paul <seanpaul@chromium.org>,
Mark Rutland <mark.rutland@arm.com>,
dri-devel <dri-devel@lists.freedesktop.org>,
devicetree <devicetree@vger.kernel.org>,
linux-arm-kernel <linux-arm-kernel@lists.infradead.org>,
linux-kernel <linux-kernel@vger.kernel.org>,
linux-clk <linux-clk@vger.kernel.org>,
linux-sunxi <linux-sunxi@googlegroups.com>
Subject: Re: [PATCH v3 16/24] drm/sun4i: Enable DW HDMI PHY clock
Date: Fri, 29 Jun 2018 21:19:33 +0200 [thread overview]
Message-ID: <3131254.YlICBQirlu@jernej-laptop> (raw)
In-Reply-To: <CAGb2v65En4RbVdRu7c6MJUztVhC36dWr0kaO9bqc9PtuXAcsww@mail.gmail.com>
Dne četrtek, 28. junij 2018 ob 04:22:36 CEST je Chen-Yu Tsai napisal(a):
> On Mon, Jun 25, 2018 at 8:02 PM, Jernej Skrabec <jernej.skrabec@siol.net>
wrote:
> > Current DW HDMI PHY code never prepares and enables PHY clock after it is
> > created. It's just used as it is. This may work in some cases, but it's
> > clearly wrong. Fix it by adding proper calls to enable/disable PHY
> > clock.
> >
> > Fixes: 4f86e81748fe ("drm/sun4i: Add support for H3 HDMI PHY variant")
> >
> > Signed-off-by: Jernej Skrabec <jernej.skrabec@siol.net>
>
> So why does it work on the H3? Because there's only one PLL that the whole
> display pipeline uses?
>
> We should probably tag this for stable. So,
>
> Cc: <stable@vger.kernel.org>
> Reviewed-by: Chen-Yu Tsai <wens@csie.org>
Same question as before, how this should be handled? Can I send separate patch
with same content to stable ML only?
Best regards,
Jernej
next prev parent reply other threads:[~2018-06-29 19:21 UTC|newest]
Thread overview: 87+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-06-25 12:02 [PATCH v3 00/24] Add support for R40 HDMI pipeline Jernej Skrabec
2018-06-25 12:02 ` [PATCH v3 01/24] clk: sunxi-ng: r40: Add minimal rate for video PLLs Jernej Skrabec
2018-06-25 12:02 ` [PATCH v3 02/24] clk: sunxi-ng: r40: Allow setting parent rate to display related clocks Jernej Skrabec
2018-06-25 12:02 ` [PATCH v3 03/24] clk: sunxi-ng: r40: Export video PLLs Jernej Skrabec
2018-06-25 12:30 ` Chen-Yu Tsai
2018-06-25 12:02 ` [PATCH v3 04/24] dt-bindings: display: sunxi-drm: Add TCON TOP description Jernej Skrabec
2018-06-25 17:33 ` Rob Herring
2018-06-25 12:02 ` [PATCH v3 05/24] drm/sun4i: Add TCON TOP driver Jernej Skrabec
2018-06-28 1:47 ` Chen-Yu Tsai
2018-06-29 19:09 ` Jernej Škrabec
2018-06-30 1:13 ` [linux-sunxi] " Chen-Yu Tsai
2018-06-25 12:02 ` [PATCH v3 06/24] drm/sun4i: Fix releasing node when enumerating enpoints Jernej Skrabec
2018-06-28 1:53 ` [linux-sunxi] " Chen-Yu Tsai
2018-06-29 19:15 ` Jernej Škrabec
2018-06-30 1:09 ` Chen-Yu Tsai
2018-06-25 12:02 ` [PATCH v3 07/24] drm/sun4i: Split out code for enumerating endpoints in output port Jernej Skrabec
2018-06-28 1:57 ` [linux-sunxi] " Chen-Yu Tsai
2018-06-25 12:02 ` [PATCH v3 08/24] drm/sun4i: Add support for traversing graph with TCON TOP Jernej Skrabec
2018-06-28 1:57 ` Chen-Yu Tsai
2018-06-25 12:02 ` [PATCH v3 09/24] drm/sun4i: Don't skip TCONs if they don't have channel 0 Jernej Skrabec
2018-06-28 1:51 ` Chen-Yu Tsai
2018-06-28 4:45 ` Jernej Škrabec
2018-06-28 6:24 ` [linux-sunxi] " Chen-Yu Tsai
2018-07-01 8:27 ` Jernej Škrabec
2018-07-01 15:11 ` Chen-Yu Tsai
2018-07-05 7:03 ` Maxime Ripard
2018-07-05 20:03 ` Jernej Škrabec
2018-07-09 8:59 ` Maxime Ripard
2018-06-25 12:02 ` [PATCH v3 10/24] drm/sun4i: tcon: Generalize engine search algorithm Jernej Skrabec
2018-06-28 2:06 ` Chen-Yu Tsai
2018-06-28 4:48 ` Jernej Škrabec
2018-06-28 18:25 ` Maxime Ripard
2018-06-29 19:06 ` Jernej Škrabec
2018-07-01 19:09 ` [linux-sunxi] " Jernej Škrabec
2018-07-02 8:56 ` Maxime Ripard
2018-06-25 12:02 ` [PATCH v3 11/24] drm/sun4i: Don't check for LVDS and RGB when TCON has only ch1 Jernej Skrabec
2018-06-28 2:08 ` Chen-Yu Tsai
2018-06-25 12:02 ` [PATCH v3 12/24] drm/sun4i: Don't check for panel or bridge on TV TCONs Jernej Skrabec
2018-06-28 2:17 ` Chen-Yu Tsai
2018-06-25 12:02 ` [PATCH v3 13/24] dt-bindings: display: sun4i-drm: Add R40 mixer compatibles Jernej Skrabec
2018-06-28 2:17 ` Chen-Yu Tsai
2018-06-25 12:02 ` [PATCH v3 14/24] drm/sun4i: Add support for R40 mixers Jernej Skrabec
2018-06-28 2:18 ` Chen-Yu Tsai
2018-06-25 12:02 ` [PATCH v3 15/24] dt-bindings: display: sun4i-drm: Add description of A64 HDMI PHY Jernej Skrabec
2018-06-28 2:19 ` Chen-Yu Tsai
2018-06-28 4:51 ` Jernej Škrabec
2018-06-28 7:00 ` [linux-sunxi] " Chen-Yu Tsai
2018-06-29 19:32 ` Jernej Škrabec
2018-07-04 4:05 ` Chen-Yu Tsai
2018-06-25 12:02 ` [PATCH v3 16/24] drm/sun4i: Enable DW HDMI PHY clock Jernej Skrabec
2018-06-28 2:22 ` Chen-Yu Tsai
2018-06-28 4:52 ` Jernej Škrabec
2018-06-29 19:19 ` Jernej Škrabec [this message]
2018-06-30 1:11 ` Chen-Yu Tsai
2018-06-25 12:02 ` [PATCH v3 17/24] drm/sun4i: Don't change clock bits in DW HDMI PHY driver Jernej Skrabec
2018-06-28 2:24 ` Chen-Yu Tsai
2018-06-29 19:23 ` Jernej Škrabec
2018-06-25 12:02 ` [PATCH v3 18/24] drm/sun4i: DW HDMI PHY: Add support for second PLL Jernej Skrabec
2018-06-28 2:25 ` Chen-Yu Tsai
2018-06-28 4:56 ` Jernej Škrabec
2018-06-28 6:59 ` [linux-sunxi] " Chen-Yu Tsai
2018-06-25 12:02 ` [PATCH v3 19/24] drm/sun4i: Add support for second clock parent to DW HDMI PHY clk driver Jernej Skrabec
2018-06-28 2:30 ` [linux-sunxi] " Chen-Yu Tsai
2018-06-25 12:03 ` [PATCH v3 20/24] drm/sun4i: Add support for A64 HDMI PHY Jernej Skrabec
2018-06-28 2:30 ` Chen-Yu Tsai
2018-06-25 12:03 ` [PATCH v3 21/24] drm: of: Export drm_crtc_port_mask() Jernej Skrabec
2018-06-28 2:32 ` Chen-Yu Tsai
2018-06-25 12:03 ` [PATCH v3 22/24] drm/sun4i: DW HDMI: Expand algorithm for possible crtcs Jernej Skrabec
2018-06-28 2:42 ` Chen-Yu Tsai
2018-06-25 12:03 ` [PATCH v3 23/24] ARM: dts: sun8i: r40: Add HDMI pipeline Jernej Skrabec
2018-06-28 2:50 ` Chen-Yu Tsai
2018-06-28 5:15 ` Jernej Škrabec
2018-06-28 6:51 ` [linux-sunxi] " Chen-Yu Tsai
2018-07-01 10:41 ` Jernej Škrabec
2018-07-01 13:52 ` Chen-Yu Tsai
2018-07-01 15:13 ` Jernej Škrabec
2018-07-01 15:35 ` Chen-Yu Tsai
2018-07-01 19:25 ` Jernej Škrabec
2018-07-02 21:39 ` Jernej Škrabec
2018-06-25 12:03 ` [PATCH v3 24/24] ARM: dts: sun8i: r40: Enable HDMI output on BananaPi M2 Ultra Jernej Skrabec
2018-06-28 2:51 ` [linux-sunxi] " Chen-Yu Tsai
2018-06-25 12:07 ` [linux-sunxi] [PATCH v3 00/24] Add support for R40 HDMI pipeline Jernej Škrabec
2018-06-25 16:43 ` Maxime Ripard
2018-06-27 18:02 ` Maxime Ripard
2018-06-27 19:50 ` Maxime Ripard
2018-06-27 20:25 ` Jernej Škrabec
2018-06-28 8:41 ` Maxime Ripard
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