From: Sean Paul <seanpaul@chromium.org>
To: John Keeping <john@metanate.com>
Cc: Mark Yao <mark.yao@rock-chips.com>,
linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org,
linux-rockchip@lists.infradead.org,
Chris Zhong <zyw@rock-chips.com>,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH v3 14/24] drm/rockchip: dw-mipi-dsi: ensure PHY is reset
Date: Mon, 30 Jan 2017 15:25:47 -0500 [thread overview]
Message-ID: <20170130202547.GQ20076@art_vandelay> (raw)
In-Reply-To: <20170129132444.25251-15-john@metanate.com>
On Sun, Jan 29, 2017 at 01:24:34PM +0000, John Keeping wrote:
> Also don't power up the DSI host at this point since this is not
> necessary in order to configure the PHY and we do so later when
> selecting video or command mode.
>
Reviewed-by: Sean Paul <seanpaul@chromium.org>
> Signed-off-by: John Keeping <john@metanate.com>
> Reviewed-by: Chris Zhong <zyw@rock-chips.com>
> ---
> v3:
> - Add Chris' Reviewed-by
> Unchanged in v2
>
> drivers/gpu/drm/rockchip/dw-mipi-dsi.c | 5 ++++-
> 1 file changed, 4 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/rockchip/dw-mipi-dsi.c b/drivers/gpu/drm/rockchip/dw-mipi-dsi.c
> index c2e0ba96e0a0..5b3068e9e8db 100644
> --- a/drivers/gpu/drm/rockchip/dw-mipi-dsi.c
> +++ b/drivers/gpu/drm/rockchip/dw-mipi-dsi.c
> @@ -397,7 +397,10 @@ static int dw_mipi_dsi_phy_init(struct dw_mipi_dsi *dsi)
> return testdin;
> }
>
> - dsi_write(dsi, DSI_PWR_UP, POWERUP);
> + /* Start by clearing PHY state */
> + dsi_write(dsi, DSI_PHY_TST_CTRL0, PHY_UNTESTCLR);
> + dsi_write(dsi, DSI_PHY_TST_CTRL0, PHY_TESTCLR);
> + dsi_write(dsi, DSI_PHY_TST_CTRL0, PHY_UNTESTCLR);
>
> dw_mipi_dsi_phy_write(dsi, 0x10, BYPASS_VCO_RANGE |
> VCO_RANGE_CON_SEL(vco) |
> --
> 2.11.0.197.gb556de5.dirty
>
> _______________________________________________
> dri-devel mailing list
> dri-devel@lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/dri-devel
--
Sean Paul, Software Engineer, Google / Chromium OS
WARNING: multiple messages have this Message-ID (diff)
From: Sean Paul <seanpaul@chromium.org>
To: John Keeping <john@metanate.com>
Cc: linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org,
linux-rockchip@lists.infradead.org,
Chris Zhong <zyw@rock-chips.com>,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH v3 14/24] drm/rockchip: dw-mipi-dsi: ensure PHY is reset
Date: Mon, 30 Jan 2017 15:25:47 -0500 [thread overview]
Message-ID: <20170130202547.GQ20076@art_vandelay> (raw)
In-Reply-To: <20170129132444.25251-15-john@metanate.com>
On Sun, Jan 29, 2017 at 01:24:34PM +0000, John Keeping wrote:
> Also don't power up the DSI host at this point since this is not
> necessary in order to configure the PHY and we do so later when
> selecting video or command mode.
>
Reviewed-by: Sean Paul <seanpaul@chromium.org>
> Signed-off-by: John Keeping <john@metanate.com>
> Reviewed-by: Chris Zhong <zyw@rock-chips.com>
> ---
> v3:
> - Add Chris' Reviewed-by
> Unchanged in v2
>
> drivers/gpu/drm/rockchip/dw-mipi-dsi.c | 5 ++++-
> 1 file changed, 4 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/rockchip/dw-mipi-dsi.c b/drivers/gpu/drm/rockchip/dw-mipi-dsi.c
> index c2e0ba96e0a0..5b3068e9e8db 100644
> --- a/drivers/gpu/drm/rockchip/dw-mipi-dsi.c
> +++ b/drivers/gpu/drm/rockchip/dw-mipi-dsi.c
> @@ -397,7 +397,10 @@ static int dw_mipi_dsi_phy_init(struct dw_mipi_dsi *dsi)
> return testdin;
> }
>
> - dsi_write(dsi, DSI_PWR_UP, POWERUP);
> + /* Start by clearing PHY state */
> + dsi_write(dsi, DSI_PHY_TST_CTRL0, PHY_UNTESTCLR);
> + dsi_write(dsi, DSI_PHY_TST_CTRL0, PHY_TESTCLR);
> + dsi_write(dsi, DSI_PHY_TST_CTRL0, PHY_UNTESTCLR);
>
> dw_mipi_dsi_phy_write(dsi, 0x10, BYPASS_VCO_RANGE |
> VCO_RANGE_CON_SEL(vco) |
> --
> 2.11.0.197.gb556de5.dirty
>
> _______________________________________________
> dri-devel mailing list
> dri-devel@lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/dri-devel
--
Sean Paul, Software Engineer, Google / Chromium OS
_______________________________________________
dri-devel mailing list
dri-devel@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/dri-devel
WARNING: multiple messages have this Message-ID (diff)
From: seanpaul@chromium.org (Sean Paul)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v3 14/24] drm/rockchip: dw-mipi-dsi: ensure PHY is reset
Date: Mon, 30 Jan 2017 15:25:47 -0500 [thread overview]
Message-ID: <20170130202547.GQ20076@art_vandelay> (raw)
In-Reply-To: <20170129132444.25251-15-john@metanate.com>
On Sun, Jan 29, 2017 at 01:24:34PM +0000, John Keeping wrote:
> Also don't power up the DSI host at this point since this is not
> necessary in order to configure the PHY and we do so later when
> selecting video or command mode.
>
Reviewed-by: Sean Paul <seanpaul@chromium.org>
> Signed-off-by: John Keeping <john@metanate.com>
> Reviewed-by: Chris Zhong <zyw@rock-chips.com>
> ---
> v3:
> - Add Chris' Reviewed-by
> Unchanged in v2
>
> drivers/gpu/drm/rockchip/dw-mipi-dsi.c | 5 ++++-
> 1 file changed, 4 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/rockchip/dw-mipi-dsi.c b/drivers/gpu/drm/rockchip/dw-mipi-dsi.c
> index c2e0ba96e0a0..5b3068e9e8db 100644
> --- a/drivers/gpu/drm/rockchip/dw-mipi-dsi.c
> +++ b/drivers/gpu/drm/rockchip/dw-mipi-dsi.c
> @@ -397,7 +397,10 @@ static int dw_mipi_dsi_phy_init(struct dw_mipi_dsi *dsi)
> return testdin;
> }
>
> - dsi_write(dsi, DSI_PWR_UP, POWERUP);
> + /* Start by clearing PHY state */
> + dsi_write(dsi, DSI_PHY_TST_CTRL0, PHY_UNTESTCLR);
> + dsi_write(dsi, DSI_PHY_TST_CTRL0, PHY_TESTCLR);
> + dsi_write(dsi, DSI_PHY_TST_CTRL0, PHY_UNTESTCLR);
>
> dw_mipi_dsi_phy_write(dsi, 0x10, BYPASS_VCO_RANGE |
> VCO_RANGE_CON_SEL(vco) |
> --
> 2.11.0.197.gb556de5.dirty
>
> _______________________________________________
> dri-devel mailing list
> dri-devel at lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/dri-devel
--
Sean Paul, Software Engineer, Google / Chromium OS
next prev parent reply other threads:[~2017-01-30 20:26 UTC|newest]
Thread overview: 209+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-01-29 13:24 [PATCH v3 00/24] drm/rockchip: MIPI fixes & improvements John Keeping
2017-01-29 13:24 ` John Keeping
2017-01-29 13:24 ` John Keeping
2017-01-29 13:24 ` [PATCH v3 01/24] drm/rockchip: dw-mipi-dsi: don't configure hardware in mode_set for MIPI John Keeping
2017-01-29 13:24 ` John Keeping
2017-01-29 13:24 ` John Keeping
2017-01-30 15:35 ` Sean Paul
2017-01-30 15:35 ` Sean Paul
2017-01-30 15:35 ` Sean Paul
2017-01-29 13:24 ` [PATCH v3 02/24] drm/rockchip: dw-mipi-dsi: pass mode in where needed John Keeping
2017-01-29 13:24 ` John Keeping
2017-01-29 13:24 ` John Keeping
2017-01-30 15:40 ` Sean Paul
2017-01-30 15:40 ` Sean Paul
2017-01-30 15:40 ` Sean Paul
2017-01-29 13:24 ` [PATCH v3 03/24] drm/rockchip: dw-mipi-dsi: remove mode_set hook John Keeping
2017-01-29 13:24 ` John Keeping
2017-01-29 13:24 ` John Keeping
2017-01-30 15:40 ` Sean Paul
2017-01-30 15:40 ` Sean Paul
2017-01-30 15:40 ` Sean Paul
2017-01-29 13:24 ` [PATCH v3 04/24] drm/rockchip: dw-mipi-dsi: fix command header writes John Keeping
2017-01-29 13:24 ` John Keeping
2017-01-29 13:24 ` John Keeping
2017-01-30 15:43 ` Sean Paul
2017-01-30 15:43 ` Sean Paul
2017-01-30 15:43 ` Sean Paul
2017-01-29 13:24 ` [PATCH v3 05/24] drm/rockchip: dw-mipi-dsi: fix generic packet status check John Keeping
2017-01-29 13:24 ` John Keeping
2017-01-29 13:24 ` John Keeping
2017-01-30 17:56 ` Sean Paul
2017-01-30 17:56 ` Sean Paul
2017-01-30 17:56 ` Sean Paul
2017-01-29 13:24 ` [PATCH v3 06/24] drm/rockchip: dw-mipi-dsi: avoid out-of-bounds read on tx_buf John Keeping
2017-01-29 13:24 ` John Keeping
2017-01-29 13:24 ` John Keeping
2017-01-30 18:01 ` Sean Paul
2017-01-30 18:01 ` Sean Paul
2017-01-30 18:01 ` Sean Paul
2017-01-30 18:16 ` John Keeping
2017-01-30 18:16 ` John Keeping
2017-01-30 18:16 ` John Keeping
2017-01-30 20:09 ` Sean Paul
2017-01-30 20:09 ` Sean Paul
2017-01-30 20:09 ` Sean Paul
2017-01-31 11:45 ` John Keeping
2017-01-31 11:45 ` John Keeping
2017-01-31 11:45 ` John Keeping
2017-01-31 14:48 ` Sean Paul
2017-01-31 14:48 ` Sean Paul
2017-01-31 14:48 ` Sean Paul
2017-01-29 13:24 ` [PATCH v3 07/24] drm/rockchip: dw-mipi-dsi: include bad value in error message John Keeping
2017-01-29 13:24 ` John Keeping
2017-01-29 13:24 ` John Keeping
2017-01-30 18:02 ` Sean Paul
2017-01-30 18:02 ` Sean Paul
2017-01-30 18:02 ` Sean Paul
2017-01-29 13:24 ` [PATCH v3 08/24] drm/rockchip: dw-mipi-dsi: respect message flags John Keeping
2017-01-29 13:24 ` John Keeping
2017-01-29 13:24 ` John Keeping
2017-01-30 18:19 ` Sean Paul
2017-01-30 18:19 ` Sean Paul
2017-01-30 18:19 ` Sean Paul
2017-01-29 13:24 ` [PATCH v3 09/24] drm/rockchip: dw-mipi-dsi: only request HS clock when required John Keeping
2017-01-29 13:24 ` John Keeping
2017-01-29 13:24 ` John Keeping
2017-01-30 18:20 ` Sean Paul
2017-01-30 18:20 ` Sean Paul
2017-01-30 18:20 ` Sean Paul
2017-01-29 13:24 ` [PATCH v3 10/24] drm/rockchip: dw-mipi-dsi: don't assume buffer is aligned John Keeping
2017-01-29 13:24 ` John Keeping
2017-01-29 13:24 ` John Keeping
2017-01-30 20:08 ` Sean Paul
2017-01-30 20:08 ` Sean Paul
2017-01-30 20:08 ` Sean Paul
2017-01-31 11:56 ` John Keeping
2017-01-31 11:56 ` John Keeping
2017-01-31 11:56 ` John Keeping
2017-01-31 14:53 ` Sean Paul
2017-01-31 14:53 ` Sean Paul
2017-01-31 14:53 ` Sean Paul
2017-01-29 13:24 ` [PATCH v3 11/24] drm/rockchip: dw-mipi-dsi: prepare panel after phy init John Keeping
2017-01-29 13:24 ` John Keeping
2017-01-29 13:24 ` John Keeping
2017-01-30 20:16 ` Sean Paul
2017-01-30 20:16 ` Sean Paul
2017-01-30 20:16 ` Sean Paul
2017-01-29 13:24 ` [PATCH v3 12/24] drm/rockchip: dw-mipi-dsi: allow commands in panel_disable John Keeping
2017-01-29 13:24 ` John Keeping
2017-01-29 13:24 ` John Keeping
2017-01-30 20:19 ` Sean Paul
2017-01-30 20:19 ` Sean Paul
2017-01-30 20:19 ` Sean Paul
2017-01-31 12:03 ` John Keeping
2017-01-31 12:03 ` John Keeping
2017-01-31 12:03 ` John Keeping
2017-01-29 13:24 ` [PATCH v3 13/24] drm/rockchip: dw-mipi-dsi: fix escape clock rate John Keeping
2017-01-29 13:24 ` John Keeping
2017-01-29 13:24 ` John Keeping
2017-01-30 20:25 ` Sean Paul
2017-01-30 20:25 ` Sean Paul
2017-01-30 20:25 ` Sean Paul
2017-02-01 17:23 ` John Keeping
2017-02-01 17:23 ` John Keeping
2017-01-29 13:24 ` [PATCH v3 14/24] drm/rockchip: dw-mipi-dsi: ensure PHY is reset John Keeping
2017-01-29 13:24 ` John Keeping
2017-01-29 13:24 ` John Keeping
2017-01-30 20:25 ` Sean Paul [this message]
2017-01-30 20:25 ` Sean Paul
2017-01-30 20:25 ` Sean Paul
2017-01-29 13:24 ` [PATCH v3 15/24] drm/rockchip: dw-mipi-dsi: configure PHY before enabling John Keeping
2017-01-29 13:24 ` John Keeping
2017-01-29 13:24 ` John Keeping
2017-01-30 20:28 ` Sean Paul
2017-01-30 20:28 ` Sean Paul
2017-01-30 20:28 ` Sean Paul
2017-01-31 12:14 ` John Keeping
2017-01-31 12:14 ` John Keeping
2017-01-31 12:14 ` John Keeping
2017-01-29 13:24 ` [PATCH v3 16/24] drm/rockchip: dw-mipi-dsi: properly configure PHY timing John Keeping
2017-01-29 13:24 ` John Keeping
2017-01-29 13:24 ` John Keeping
2017-01-30 21:57 ` Sean Paul
2017-01-30 21:57 ` Sean Paul
2017-01-30 21:57 ` Sean Paul
2017-01-31 12:39 ` John Keeping
2017-01-31 12:39 ` John Keeping
2017-01-31 12:39 ` John Keeping
2017-01-29 13:24 ` [PATCH v3 17/24] drm/rockchip: dw-mipi-dsi: improve PLL configuration John Keeping
2017-01-29 13:24 ` John Keeping
2017-01-29 13:24 ` John Keeping
2017-01-31 19:03 ` Sean Paul
2017-01-31 19:03 ` Sean Paul
2017-01-31 19:03 ` Sean Paul
2017-01-29 13:24 ` [PATCH v3 18/24] drm/rockchip: dw-mipi-dsi: use specific poll helper John Keeping
2017-01-29 13:24 ` John Keeping
2017-01-29 13:24 ` John Keeping
2017-01-31 18:45 ` Sean Paul
2017-01-31 18:45 ` Sean Paul
2017-01-31 18:45 ` Sean Paul
2017-01-29 13:24 ` [PATCH v3 19/24] drm/rockchip: dw-mipi-dsi: use positive check for N{H,V}SYNC John Keeping
2017-01-29 13:24 ` [PATCH v3 19/24] drm/rockchip: dw-mipi-dsi: use positive check for N{H, V}SYNC John Keeping
2017-01-29 13:24 ` John Keeping
2017-01-31 19:12 ` Sean Paul
2017-01-31 19:12 ` Sean Paul
2017-01-31 19:12 ` Sean Paul
2017-01-29 13:24 ` [PATCH v3 20/24] drm/rockchip: vop: test for P{H,V}SYNC John Keeping
2017-01-29 13:24 ` John Keeping
2017-01-29 13:24 ` John Keeping
2017-01-31 19:14 ` Sean Paul
2017-01-31 19:14 ` Sean Paul
2017-01-31 19:14 ` Sean Paul
2017-01-29 13:24 ` [PATCH v3 21/24] drm/rockchip: dw-mipi-dsi: defer probe if panel is not loaded John Keeping
2017-01-29 13:24 ` John Keeping
2017-01-29 13:24 ` John Keeping
2017-01-31 19:21 ` Sean Paul
2017-01-31 19:21 ` Sean Paul
2017-01-31 19:21 ` Sean Paul
2017-02-10 17:27 ` John Keeping
2017-02-10 17:27 ` John Keeping
2017-02-10 17:27 ` John Keeping
2017-01-29 13:24 ` [PATCH v3 22/24] drm/rockchip: dw-mipi-dsi: support non-burst modes John Keeping
2017-01-29 13:24 ` John Keeping
2017-01-29 13:24 ` John Keeping
2017-01-31 19:22 ` Sean Paul
2017-01-31 19:22 ` Sean Paul
2017-01-31 19:22 ` Sean Paul
2017-02-16 3:01 ` Chris Zhong
2017-02-16 3:01 ` Chris Zhong
2017-02-16 3:01 ` Chris Zhong
2017-02-16 14:22 ` John Keeping
2017-02-16 14:22 ` John Keeping
2017-02-16 14:22 ` John Keeping
2017-01-29 13:24 ` [PATCH v3 23/24] drm/rockchip: dw-mipi-dsi: add reset control John Keeping
2017-01-29 13:24 ` John Keeping
2017-01-29 13:24 ` John Keeping
2017-01-31 19:28 ` Sean Paul
2017-01-31 19:28 ` Sean Paul
2017-01-31 19:28 ` Sean Paul
2017-02-15 3:38 ` Chris Zhong
2017-02-15 3:38 ` Chris Zhong
2017-02-15 3:38 ` Chris Zhong
2017-02-15 12:39 ` John Keeping
2017-02-15 12:39 ` John Keeping
2017-02-15 12:39 ` John Keeping
2017-02-16 2:12 ` Chris Zhong
2017-02-16 2:12 ` Chris Zhong
2017-02-16 2:12 ` Chris Zhong
2017-02-16 14:11 ` John Keeping
2017-02-16 14:11 ` John Keeping
2017-02-16 14:11 ` John Keeping
2017-01-29 13:24 ` [PATCH v3 24/24] drm/rockchip: dw-mipi-dsi: support read commands John Keeping
2017-01-29 13:24 ` John Keeping
2017-01-29 13:24 ` John Keeping
2017-01-30 15:26 ` Sean Paul
2017-01-30 15:26 ` Sean Paul
2017-01-30 15:26 ` Sean Paul
2017-01-30 18:14 ` John Keeping
2017-01-30 18:14 ` John Keeping
2017-01-30 18:14 ` John Keeping
2017-01-30 20:16 ` Sean Paul
2017-01-30 20:16 ` Sean Paul
2017-01-30 20:16 ` Sean Paul
2017-01-31 12:41 ` John Keeping
2017-01-31 12:41 ` John Keeping
2017-01-31 12:41 ` John Keeping
2017-01-31 14:47 ` Sean Paul
2017-01-31 14:47 ` Sean Paul
2017-01-31 14:47 ` Sean Paul
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