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SubjectRe: [PATCH v9 0/2] Add DSS support for AM625 SoC
From
On 16/06/2023 18:08, Aradhya Bhatia wrote:
> This patch series adds a new compatible for the Display SubSystem (DSS)
> controller on TI's AM625 SoC. It further adds the required support for
> the same in the tidss driver.
>
> The AM625-DSS is a newer version of the DSS from the AM65X version with
> the major change being the addition of another OLDI TX. With the help of
> 2 OLDI TXes, the AM625 DSS can support dual-linked OLDI displays with a
> resolution of up-to 2K or WUXGA (1920x1200@60fps) at half the OLDI clock
> frequency or even cloned video outputs on each of the TXes.
>
> This patch series acts as a continuation of the patches posted in v3[1].
> The OLDI support patches combined from v5 onwards are now separated
> again. The OLDI support will be added subsequently with a separte patch
> series.
>
> I have tested these patches on AM625 SK-EVM and AM625 based Beagle Play.
> To test this series on AM625 based platforms, basic display support
> patches (for driver + devicetree) can be found in the
> "next_am62-base_support-V2" branch on my github fork[2].

Looks good to me. I'll pick these up to drm-misc.

Tomi

>
> [1]: V3: https://patchwork.freedesktop.org/series/105373/
> [2]: https://github.com/aradhya07/linux-ab/tree/next_am62-base_support-V2
>
> Previous versions:
> - V8: https://patchwork.freedesktop.org/series/119088/
> - V7: https://patchwork.freedesktop.org/series/113328/
> - V6: https://patchwork.freedesktop.org/series/111106/
> - V5: https://patchwork.freedesktop.org/series/109194/
>
> Changelog:
> V9:
> - Edit the commit message for Patch 2/2.
> - Add Krzysztof Kozlowski's and Tomi Valkeinen's tags.
>
> V8:
> - Rebase for current merge window.
> - Drop all the OLDI support patches.
> - Update the binding to remove the 2nd OLDI port instances.
> - Drop the Reviewed-by tags of Krzysztof Kozlowski and Rahul T R
> because of the changes.
>
> V7:
> - Rebase to current linux-next.
> - Address Tomi Valkeinen's comments.
> 1. Separate the DSS VP and output port coupling.
> v6 introduced 'output_port_bus_type' in addition to 'vp_bus_type'
> but having both of the variables was redundant. Hence, in v7
> the 'output_port_bus_type' essentially replaces 'vp_bus_type'.
> 2. Break Patch v6 2/5 into 2 separate patches (v7 1/6 and v7 3/6).
> 3. Change in name and addition of OLDI mode macros.
> 4. Other minor changes.
>
> V6:
> - Rebase for current merge window.
> - Add 'allOf:' condition in the DT binding.
> - Address Tomi Valkeinen's comments.
> 1. Combine DT binding patches for new compatible and 3rd DSS port.
> 2. Further separate DSS VPs and output ports.
> 3. Separate OLDI mode discovery logic from the panel/bridge
> discovery (which allowed support for OLDI bridges as well.)
> 4. Organize OLDI IO control register macros platform wise.
>
> V5:
> - Rebase for current merge window.
> - Add max DT ports in DSS features.
> - Combine the OLDI support series.
>
> (Changes from OLDI support series v1)
> - Address Tomi Valkeinen's comments.
> 1. Update the OLDI link detection approach.
> 2. Add port #3 for 2nd OLDI TX.
> 3. Configure 2 panel-bridges for cloned panels.
> 4. Drop the OLDI clock set patch.
> 5. Drop rgb565-to-888 patch.
>
> V3:
> - Change yaml enum in alphabetical order.
> - Correct a typo.
>
> V2:
> - Remove redundant register array.
>
> Aradhya Bhatia (2):
> dt-bindings: display: ti,am65x-dss: Add am625 dss compatible
> drm/tidss: Add support for AM625 DSS
>
> .../bindings/display/ti/ti,am65x-dss.yaml | 18 ++++--
> drivers/gpu/drm/tidss/tidss_dispc.c | 57 ++++++++++++++++++-
> drivers/gpu/drm/tidss/tidss_dispc.h | 2 +
> drivers/gpu/drm/tidss/tidss_drv.c | 1 +
> 4 files changed, 71 insertions(+), 7 deletions(-)
>

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