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SubjectRe: [PATCH v2 0/4] drm/panel: jh057n00900: Move dsi init sequence to prepare
Hi Guido.

On Fri, Jul 26, 2019 at 03:14:35PM +0200, Guido Günther wrote:
> If the panel is wrapped in a panel_bridge it gets prepar()ed before the
> upstream DSI bridge which can cause hangs (e.g. with imx-nwl since clocks
> are not enabled yet). To avoid this move the panel's first DSI access to
> enable() so the upstream bridge can prepare the DSI host controller in
> it's pre_enable().
> The second patch makes the disable() call symmetric to the above and the third
> one just eases debugging.
> Changes from v1:
> * As per review comments by Sam Ravnborg
> * Ignore failures to disable the backlight in jh057n_disable()
> * Add 'drm/panel: jh057n00900: Use drm_panel_{unprepare,disable} consistently'
> * Collected Reviewed-By: Thanks Sam!
> To: "Guido Günther" <>,Purism Kernel Team <>,Thierry Reding <>,Sam Ravnborg <>,David Airlie <>,Daniel Vetter <>,,
> Guido Günther (4):
> drm/panel: jh057n00900: Move panel DSI init to enable()
> drm/panel: jh057n00900: Move mipi_dsi_dcs_set_display_off to disable()
> drm/panel: jh057n00900: Print error code on all DRM_DEV_ERROR()s
> drm/panel: jh057n00900: Use drm_panel_{unprepare,disable} consistently

Looks good. Series applied to drm-misc-next and pushed out.


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