Re: [PATCH] Revert "FROMGIT: drm/msm/dsi: move DSI host powerup to modeset time"

[Doug Anderson]

Hi,

On Wed, May 11, 2022 at 4:07 PM Douglas Anderson <dianders@xxxxxxxxxxxx> wrote:
>
> This reverts commit c7e4a2a72e696aa6aed2c8b651279f491bb096fe.
>
> The patch causes sc7180 Chromebooks that use the parade-ps8640 bridge
> chip to fail to turn the display back on after it turns off.
>
> Let's revert to get these devices back to a working state. It seems
> like the DSI powerup problem is somewhat common and probably we should
> land something more general like Dave Stevenson's series [1] that
> would give more flexibility.
>
> [1] https://lore.kernel.org/r/cover.1646406653.git.dave.stevenson@xxxxxxxxxxxxxxx
>
> Fixes: c7e4a2a72e69 ("FROMGIT: drm/msm/dsi: move DSI host powerup to modeset time")
> Signed-off-by: Douglas Anderson <dianders@xxxxxxxxxxxx>
> ---
>
>  drivers/gpu/drm/msm/dsi/dsi_manager.c | 43 ++++++++-------------------
>  1 file changed, 12 insertions(+), 31 deletions(-)

Well, that's embarrassing. I clearly reverted the wrong copy of this
patch. Sorry. v2 coming right up.