Re: [PATCH v5 2/7] drm/panel: simple: Add ability to override typical timing

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Mon, Apr 01, 2019 at 10:17:19AM -0700, Douglas Anderson wrote:
> From: Sean Paul <seanpaul@xxxxxxxxxxxx>
> 
> This patch adds the ability to override the typical display timing for a
> given panel. This is useful for devices which have timing constraints
> that do not apply across the entire display driver (eg: to avoid
> crosstalk between panel and digitizer on certain laptops). The rules are
> as follows:
> 
> - panel must not specify fixed mode (since the override mode will
>   either be the same as the fixed mode, or we'll be unable to
>   check the bounds of the overried)
> - panel must specify at least one display_timing range which will be
>   used to ensure the override mode fits within its bounds
> 
> Changes in v2:
>  - Parse the full display-timings node (using the native-mode) (Rob)
> Changes in v3:
>  - No longer parse display-timings subnode, use panel-timing (Rob)
> Changes in v4:
>  - Don't add mode from timing if override was specified (Thierry)
>  - Add warning if timing and fixed mode was specified (Thierry)
>  - Don't add fixed mode if timing was specified (Thierry)
>  - Refactor/rename a bit to avoid extra indentation from "if" tests
>  - i should be unsigned (Thierry)
>  - Add annoying WARN_ONs for some cases (Thierry)
>  - Simplify 'No display_timing found' handling (Thierry)
>  - Rename to panel_simple_parse_override_mode() (Thierry)
> Changes in v5:
>  - Added Heiko's Tested-by
> 
> Cc: Doug Anderson <dianders@xxxxxxxxxxxx>
> Cc: Eric Anholt <eric@xxxxxxxxxx>
> Cc: Heiko Stuebner <heiko@xxxxxxxxx>
> Cc: Jeffy Chen <jeffy.chen@xxxxxxxxxxxxxx>
> Cc: Rob Herring <robh+dt@xxxxxxxxxx>
> Cc: Stéphane Marchesin <marcheu@xxxxxxxxxxxx>
> Cc: Thierry Reding <thierry.reding@xxxxxxxxx>
> Cc: devicetree@xxxxxxxxxxxxxxx
> Cc: dri-devel@xxxxxxxxxxxxxxxxxxxxx
> Signed-off-by: Sean Paul <seanpaul@xxxxxxxxxxxx>
> Tested-by: Enric Balletbo i Serra <enric.balletbo@xxxxxxxxxxxxx>
> Signed-off-by: Douglas Anderson <dianders@xxxxxxxxxxxx>
> Tested-by: Heiko Stuebner <heiko@xxxxxxxxx>
> ---
> 
>  drivers/gpu/drm/panel/panel-simple.c | 109 +++++++++++++++++++++++++--
>  1 file changed, 104 insertions(+), 5 deletions(-)

Acked-by: Thierry Reding <thierry.reding@xxxxxxxxx>

Attachment: signature.asc
Description: PGP signature

_______________________________________________
dri-devel mailing list
dri-devel@xxxxxxxxxxxxxxxxxxxxx
https://lists.freedesktop.org/mailman/listinfo/dri-devel

[Index of Archives]     [Linux DRI Users]     [Linux Intel Graphics]     [Linux USB Devel]     [Video for Linux]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]     [XFree86]     [Linux USB Devel]     [Video for Linux]     [Linux Audio Users]     [Linux Kernel]     [Linux SCSI]     [XFree86]
  Powered by Linux