linux-kernel - Re: [PATCH v10 00/13] MT2701 DRM support

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Message-ID: <1480496383.13978.3.camel@mtksdaap41>
Date:   Wed, 30 Nov 2016 16:59:43 +0800
From:   CK Hu <ck.hu@...iatek.com>
To:     YT Shen <yt.shen@...iatek.com>
CC:     <dri-devel@...ts.freedesktop.org>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        David Airlie <airlied@...ux.ie>,
        Matthias Brugger <matthias.bgg@...il.com>,
        Daniel Kurtz <djkurtz@...omium.org>,
        Mao Huang <littlecvr@...omium.org>,
        Bibby Hsieh <bibby.hsieh@...iatek.com>,
        "Daniel Vetter" <daniel.vetter@...ll.ch>,
        Thierry Reding <thierry.reding@...il.com>,
        Jie Qiu <jie.qiu@...iatek.com>,
        Maxime Ripard <maxime.ripard@...e-electrons.com>,
        Chris Wilson <chris@...is-wilson.co.uk>,
        shaoming chen <shaoming.chen@...iatek.com>,
        Jitao Shi <jitao.shi@...iatek.com>,
        Boris Brezillon <boris.brezillon@...e-electrons.com>,
        Dan Carpenter <dan.carpenter@...cle.com>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-mediatek@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>, <srv_heupstream@...iatek.com>,
        Sascha Hauer <kernel@...gutronix.de>,
        <yingjoe.chen@...iatek.com>, <emil.l.velikov@...il.com>
Subject: Re: [PATCH v10 00/13] MT2701 DRM support

Hi, YT:

On Fri, 2016-11-25 at 18:34 +0800, YT Shen wrote:
> This is MT2701 DRM support PATCH v10, based on 4.9-rc1.
> We add DSI interrupt control, transfer function for MIPI DSI panel support.
> Most codes are the same, except some register changed.
> 
> For example:
>  - DISP_OVL address offset changed, color format definition changed.
>  - DISP_RDMA fifo size changed.
>  - DISP_COLOR offset changed.
>  - MIPI_TX setting changed.
> 
> We add a new component DDP_COMPONENT_BLS, and the connections are updated.
> OVL -> RDMA -> COLOR -> BLS -> DSI
> RDMA -> DPI
> And we have shadow register support in MT2701.
> 
> We remove dts patch from the patch series, which depends on MT2701 CCF and scpsys.
> 

Some patches in this series conflict with Linux 4.9-rc7.
Once you send next patches, please base on Linux 4.9-rc7 or later
version.

Regards,
CK

> Changes since v9:
> - Split DSI patches into smaller parts
> - Use a real linux errno for return value
> - Add error handling in mtk_output_dsi_enable()
> - Remove unused changes and redundant delays
> - Add helpers and macros for configuration
> - Combine "drm/mediatek: rename macros, add chip prefix" and "drm/mediatek: add *driver_data for different hardware setting"
> 
> Changes since v8:
> - enable 3 DSI interrupts only
> - move mtk_dsi_wait_for_irq_done() to the patch of irq control
> - use the name BLS in DRM driver part
> - move BLS declaration to a separate patch
> - update mtk_dsi_switch_to_cmd_mode()
> - update mtk_output_dsi_enable() and mtk_output_dsi_disable()
> 
> Changes since v7:
> - Remove redundant codes
> - Move the definition of DDP_COMPONENT_BLS to patch of "drm/mediatek: update display module connections"
> - Move _dsi_irq_wait_queue into platform driver data
> - Move mtk_dsi_irq_data_clear() to patch of "drm/mediatek: add dsi interrupt control"
> - Add more descriptions in the commit messages
> 
> Changes since v6:
> - Change data type of irq_data to u32
> - Rewrite mtk_dsi_host_transfer() for simplify
> - Move some MIPI_TX config to patch of "drm/mediatek: add *driver_data for different hardware settings".
> - Remove device tree from this patch series
> 
> Changes since v5:
> - Remove DPI device tree and compatible string
> - Use one wait queue to handle interrupt status
> - Update the interrupt check flow and DSI_INT_ALL_BITS
> - Use same function for host read/write command
> - various fixes
> 
> Changes since v4:
> - Add messages when timeout in mtk_disp_mutex_acquire()
> - Add descriptions for DISP_REG_MUTEX registers
> - Move connection settings for display modules to a separate patch
> - Remove 'mt2701-disp-wdma' because it is unused
> - Move cleaning up and renaming to a separate patch
> - Use wait_event_interruptible_timeout() to replace polling
> - Remove irq_num from mtk_dsi structure
> - Remove redundant and debug codes
> 
> Changes since v3:
> - Add DSI support for MIPI DSI panels
> - Update BLS binding to PWM nodes
> - Remove ufoe device nodes
> - Remove redundant parentheses
> - Remove global variable initialization
> 
> Changes since v2:
> - Rename mtk_ddp_mux_sel to mtk_ddp_sout_sel
> - Update mt2701_mtk_ddp_ext components
> - Changed to prefix naming
> - Reorder the patch series
> - Use of_device_get_match_data() to get driver private data
> - Use iopoll macros to implement mtk_disp_mutex_acquire()
> - Removed empty device tree nodes
> 
> Changes since v1:
> - Removed BLS bindings and codes, which belong to pwm driver
> - Moved mtk_disp_mutex_acquire() just before mtk_crtc_ddp_config()
> - Split patch into smaller parts
> - Added const keyword to constant structure
> - Removed codes for special memory align
> 
> Thanks,
> yt.shen
> 
> YT Shen (11):
>   drm/mediatek: add helpers for coverting from the generic components
>   drm/mediatek: add *driver_data for different hardware settings
>   drm/mediatek: add shadow register support
>   drm/mediatek: add BLS component
>   drm/mediatek: update display module connections
>   drm/mediatek: cleaning up and refine
>   drm/mediatek: add mipi_tx data rate check
>   drm/mediatek: add dsi ulp mode control
>   drm/mediatek: add dsi rxtx control
>   drm/mediatek: update DSI sub driver flow for sending commands to panel
>   drm/mediatek: add support for Mediatek SoC MT2701
> 
> shaoming chen (2):
>   drm/mediatek: add dsi interrupt control
>   drm/mediatek: add dsi transfer function
> 
>  drivers/gpu/drm/mediatek/mtk_disp_ovl.c     |  64 +++--
>  drivers/gpu/drm/mediatek/mtk_disp_rdma.c    |  39 ++-
>  drivers/gpu/drm/mediatek/mtk_drm_crtc.c     |  76 +++--
>  drivers/gpu/drm/mediatek/mtk_drm_ddp.c      | 138 ++++++---
>  drivers/gpu/drm/mediatek/mtk_drm_ddp.h      |   2 +
>  drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c |  41 ++-
>  drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h |   7 +
>  drivers/gpu/drm/mediatek/mtk_drm_drv.c      |  54 +++-
>  drivers/gpu/drm/mediatek/mtk_drm_drv.h      |   9 +
>  drivers/gpu/drm/mediatek/mtk_dsi.c          | 430 ++++++++++++++++++++++++----
>  drivers/gpu/drm/mediatek/mtk_mipi_tx.c      |  42 ++-
>  11 files changed, 737 insertions(+), 165 deletions(-)
>