From: zyw@rock-chips•com (Chris Zhong)
To: linux-arm-kernel@lists•infradead.org
Subject: [PATCH v2 24/26] drm/rockchip: dw-mipi-dsi: support non-burst modes
Date: Mon, 23 Jan 2017 14:11:13 +0800 [thread overview]
Message-ID: <58859E81.3060606@rock-chips.com> (raw)
In-Reply-To: <20170121163128.22240-25-john@metanate.com>
Reviewed-by: Chris Zhong <zyw@rock-chips•com>
On 01/22/2017 12:31 AM, John Keeping wrote:
> Signed-off-by: John Keeping <john@metanate•com>
> ---
> Unchanged in v2
> ---
> drivers/gpu/drm/rockchip/dw-mipi-dsi.c | 16 +++++++++-------
> 1 file changed, 9 insertions(+), 7 deletions(-)
>
> diff --git a/drivers/gpu/drm/rockchip/dw-mipi-dsi.c b/drivers/gpu/drm/rockchip/dw-mipi-dsi.c
> index 2dafb17e31d2..881bb0c62ca5 100644
> --- a/drivers/gpu/drm/rockchip/dw-mipi-dsi.c
> +++ b/drivers/gpu/drm/rockchip/dw-mipi-dsi.c
> @@ -82,6 +82,7 @@
> #define FRAME_BTA_ACK BIT(14)
> #define ENABLE_LOW_POWER (0x3f << 8)
> #define ENABLE_LOW_POWER_MASK (0x3f << 8)
> +#define VID_MODE_TYPE_NON_BURST_SYNC_EVENTS 0x1
> #define VID_MODE_TYPE_BURST_SYNC_PULSES 0x2
> #define VID_MODE_TYPE_MASK 0x3
>
> @@ -286,6 +287,7 @@ struct dw_mipi_dsi {
> u32 format;
> u16 input_div;
> u16 feedback_div;
> + unsigned long mode_flags;
>
> const struct dw_mipi_dsi_plat_data *pdata;
> };
> @@ -548,15 +550,10 @@ static int dw_mipi_dsi_host_attach(struct mipi_dsi_host *host,
> return -EINVAL;
> }
>
> - if (!(device->mode_flags & MIPI_DSI_MODE_VIDEO_BURST) ||
> - !(device->mode_flags & MIPI_DSI_MODE_VIDEO_SYNC_PULSE)) {
> - dev_err(dsi->dev, "device mode is unsupported\n");
> - return -EINVAL;
> - }
> -
> dsi->lanes = device->lanes;
> dsi->channel = device->channel;
> dsi->format = device->format;
> + dsi->mode_flags = device->mode_flags;
> dsi->panel = of_drm_find_panel(device->dev.of_node);
> if (dsi->panel)
> return drm_panel_attach(dsi->panel, &dsi->connector);
> @@ -713,7 +710,12 @@ static void dw_mipi_dsi_video_mode_config(struct dw_mipi_dsi *dsi)
> {
> u32 val;
>
> - val = VID_MODE_TYPE_BURST_SYNC_PULSES | ENABLE_LOW_POWER;
> + val = ENABLE_LOW_POWER;
> +
> + if (dsi->mode_flags & MIPI_DSI_MODE_VIDEO_BURST)
> + val |= VID_MODE_TYPE_BURST_SYNC_PULSES;
> + else if (!(dsi->mode_flags & MIPI_DSI_MODE_VIDEO_SYNC_PULSE))
> + val |= VID_MODE_TYPE_NON_BURST_SYNC_EVENTS;
>
> dsi_write(dsi, DSI_VID_MODE_CFG, val);
> }
next prev parent reply other threads:[~2017-01-23 6:11 UTC|newest]
Thread overview: 50+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-01-21 16:31 [PATCH v2 00/26] drm/rockchip: MIPI fixes & improvements John Keeping
2017-01-21 16:31 ` [PATCH v2 01/26] drm/rockchip: dw-mipi-dsi: don't configure hardware in mode_set for MIPI John Keeping
2017-01-22 3:58 ` Chris Zhong
2017-01-21 16:31 ` [PATCH v2 02/26] drm/rockchip: dw-mipi-dsi: rename commit hook to enable John Keeping
2017-01-21 16:31 ` [PATCH v2 03/26] drm/rockchip: dw-mipi-dsi: pass mode in where needed John Keeping
2017-01-22 4:00 ` Chris Zhong
2017-01-21 16:31 ` [PATCH v2 04/26] drm/rockchip: dw-mipi-dsi: remove mode_set hook John Keeping
2017-01-22 6:08 ` Chris Zhong
2017-01-21 16:31 ` [PATCH v2 05/26] drm/rockchip: dw-mipi-dsi: fix command header writes John Keeping
2017-01-21 16:31 ` [PATCH v2 06/26] drm/rockchip: dw-mipi-dsi: fix generic packet status check John Keeping
2017-01-22 6:24 ` Chris Zhong
2017-01-21 16:31 ` [PATCH v2 07/26] drm/rockchip: dw-mipi-dsi: avoid out-of-bounds read on tx_buf John Keeping
2017-01-22 6:42 ` Chris Zhong
2017-01-21 16:31 ` [PATCH v2 08/26] drm/rockchip: dw-mipi-dsi: include bad value in error message John Keeping
2017-01-22 6:44 ` Chris Zhong
2017-01-21 16:31 ` [PATCH v2 09/26] drm/rockchip: dw-mipi-dsi: respect message flags John Keeping
2017-01-22 7:14 ` Chris Zhong
2017-01-21 16:31 ` [PATCH v2 10/26] drm/rockchip: dw-mipi-dsi: only request HS clock when required John Keeping
2017-01-22 8:10 ` Chris Zhong
2017-01-21 16:31 ` [PATCH v2 11/26] drm/rockchip: dw-mipi-dsi: don't assume buffer is aligned John Keeping
2017-01-22 8:16 ` Chris Zhong
2017-01-21 16:31 ` [PATCH v2 12/26] drm/rockchip: dw-mipi-dsi: prepare panel after phy init John Keeping
2017-01-22 8:22 ` Chris Zhong
2017-01-21 16:31 ` [PATCH v2 13/26] drm/rockchip: dw-mipi-dsi: allow commands in panel_disable John Keeping
2017-01-22 8:37 ` Chris Zhong
2017-01-21 16:31 ` [PATCH v2 14/26] drm/rockchip: dw-mipi-dsi: fix escape clock rate John Keeping
2017-01-22 9:37 ` Chris Zhong
2017-01-21 16:31 ` [PATCH v2 15/26] drm/rockchip: dw-mipi-dsi: ensure PHY is reset John Keeping
2017-01-22 9:37 ` Chris Zhong
2017-01-21 16:31 ` [PATCH v2 16/26] drm/rockchip: dw-mipi-dsi: configure bias and bandgap before enable John Keeping
2017-01-21 16:31 ` [PATCH v2 17/26] drm/rockchip: dw-mipi-dsi: don't enable PHY PLL until it's configured John Keeping
2017-01-22 10:07 ` Chris Zhong
2017-01-21 16:31 ` [PATCH v2 18/26] drm/rockchip: dw-mipi-dsi: properly configure PHY timing John Keeping
2017-01-22 3:06 ` Chris Zhong
2017-01-21 16:31 ` [PATCH v2 19/26] drm/rockchip: dw-mipi-dsi: improve PLL configuration John Keeping
2017-01-23 1:38 ` Chris Zhong
2017-01-23 12:49 ` John Keeping
2017-01-24 2:42 ` Chris Zhong
2017-01-21 16:31 ` [PATCH v2 20/26] drm/rockchip: dw-mipi-dsi: use specific poll helper John Keeping
2017-01-23 0:49 ` Chris Zhong
2017-01-21 16:31 ` [PATCH v2 21/26] drm/rockchip: dw-mipi-dsi: use positive check for N{H, V}SYNC John Keeping
2017-01-21 16:31 ` [PATCH v2 22/26] drm/rockchip: vop: test for P{H,V}SYNC John Keeping
2017-01-23 7:12 ` Mark yao
2017-01-21 16:31 ` [PATCH v2 23/26] drm/rockchip: dw-mipi-dsi: defer probe if panel is not loaded John Keeping
2017-01-21 16:31 ` [PATCH v2 24/26] drm/rockchip: dw-mipi-dsi: support non-burst modes John Keeping
2017-01-23 6:11 ` Chris Zhong [this message]
2017-01-21 16:31 ` [PATCH v2 25/26] drm/rockchip: dw-mipi-dsi: add reset control John Keeping
2017-01-23 6:12 ` Chris Zhong
2017-01-21 16:31 ` [PATCH v2 26/26] drm/rockchip: dw-mipi-dsi: support read commands John Keeping
2017-01-22 3:08 ` Chris Zhong
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