linux-kernel - Re: [PATCH v7 00/23] drm/sun4i: Allwinner A64 MIPI-DSI support

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Message-ID: <CAMty3ZBspvP=qZEK9vaowVq4f5W3Qx2qHkwcuAnCOOjV29=Y_Q@mail.gmail.com>
Date:   Tue, 12 Feb 2019 15:16:02 +0530
From:   Jagan Teki <jagan@...rulasolutions.com>
To:     Maxime Ripard <maxime.ripard@...tlin.com>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>, Chen-Yu Tsai <wens@...e.org>,
        Michael Turquette <mturquette@...libre.com>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>
Cc:     linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>,
        linux-kernel <linux-kernel@...r.kernel.org>,
        linux-clk <linux-clk@...r.kernel.org>,
        dri-devel <dri-devel@...ts.freedesktop.org>,
        devicetree <devicetree@...r.kernel.org>,
        Michael Trimarchi <michael@...rulasolutions.com>,
        linux-amarula@...rulasolutions.com,
        linux-sunxi <linux-sunxi@...glegroups.com>
Subject: Re: [PATCH v7 00/23] drm/sun4i: Allwinner A64 MIPI-DSI support

On Fri, Feb 1, 2019 at 9:12 PM Jagan Teki <jagan@...rulasolutions.com> wrote:
>
> Here is next version changes for Allwinner A64 MIPI-DSI support
>
> This series grouped the changes like previous version[1] with different
> sets to support three different panels types that can fit into the DSI
> controller.
>
> set:1, for 4-lane, burst mode support
> - patch 0001: 0009, DSI controller changes that support burst mode.
>
> set:2, for A64 DSI support
> - patch 0010: tcon dclk divider computation based on A64 BSP.
> - patch 0011: 0017, Allwinner A64 DSI controller changes.
>
> set:3, enable 4-lane burst mode panel:
> - patch 0018: Overlay patch that enable Feiyang FY07024DI26A30-D
>   burst mode panel on Pine64-LTS
>
> set:4, enable 4-lane video mode panel:
> - patch 0019: msg type MIPI_DSI_GENERIC_SHORT_WRITE_2_PARAM support
> - patch 0020: Overlay patch that enable Bananapi S070WV20-CT16 ICN6211
>   panel on Bananapi M64
>
> set:5, enable 2-lane video mode panel:
> - patch 0021, 0022: DSI hfp and hbp timings fixes
> - patch 0023: Enable Techstar TS8550B panel on Amarula A64-Relic
>
> Changes for v7:
> - moved vcc-dsi binding to required filed.
> - drop quotes on fallback dphy bindings.
> - drop min_rate clock pll-mipi patches.
> - introduce dclk divider computation as like A64 BSP.
> - add A64 DSI quark patches.
> - fixed A64 DSI pipeline.
> - add proper commit messages.
> - collect Merlijn Wajer Tested-by credits.
> Changes for v6:
> - dropped unneeded changes, patches
> - fixed all burst mode patches as per previous version comments
> - rebase on master
> - update proper commit message
> - dropped unneeded comments
> - order the patches that make review easy
> Changes for v5:
> - collect Rob, Acked-by
> - droped "Fix VBP size calculation" patch
> - updated vblk timing calculation.
> - droped techstar, bananapi dsi panel drivers which may require
>   bridge or other setup. it's under discussion.
> Changes for v4:
> - droppoed untested CCU_FEATURE_FIXED_POSTDIV check code in
>   nkm min, max rate patches
> - create two patches for "Add Allwinner A64 MIPI DSI support"
>   one for has_mod_clk quirk and other one for A64 support
> - use existing driver code construct for hblk computation
> - dropped "Increase hfp packet overhead" patch [2], though BSP added
>   this but we have no issues as of now.
>   (no issues on panel side w/o this change)
> - create separate function for vblk computation
> - enable vcc-dsi regulator in dsi_runtime_resume
> - collect Rob, Acked-by
> - update MAINTAINERS file for panel drivers
> - cleanup commit messages
> - fixed checkpatch warnings/errors
>
> [1] https://patchwork.kernel.org/cover/10779893/
>
> Any inputs?
> Jagan.
>
> Jagan Teki (23):
>   drm/sun4i: sun6i_mipi_dsi: Compute burst mode loop N1 instruction
>     delay
>   drm/sun4i: sun6i_mipi_dsi: Support instruction loop selection
>   drm/sun4i: sun6i_mipi_dsi: Setup burst mode timings
>   drm/sun4i: sun6i_mipi_dsi: Simplify drq to support all modes
>   drm/sun4i: tcon: Export get tcon0 routine
>   drm/sun4i: sun6i_mipi_dsi: Probe tcon0 during dsi_bind
>   drm/sun4i: sun6i_mipi_dsi: Setup burst mode
>   drm/sun4i: sun6i_mipi_dsi: Enable trail_inv and trail_fill controls
>   drm/sun4i: sun6i_mipi_dsi: Enable HBP, HSA_HSE for burst mode

Can you pick these burst changes which are generic to all SoCs. and
reset will send once we decide the tcon clock.