[PATCH v5 06/36] drm/rockchip: Only wait for panel ACK on PSR entry

Heiko Stübner heiko at sntech.de
Mon Mar 12 09:58:22 PDT 2018


the subject is misleading I think, as this is touching only the generic
bridge code and not anything Rockchip-related, so should probably
be "drm/bridge"?

Am Freitag, 9. März 2018, 23:22:57 CET schrieb Enric Balletbo i Serra:
> From: zain wang <wzz at rock-chips.com>
> We currently wait for the panel to mirror our intended PSR state
> before continuing on both PSR enter and PSR exit. This is really
> only important to do when we're entering PSR, since we want to
> be sure the last frame we pushed is being served from the panel's
> internal fb before shutting down the soc blocks (vop/analogix).
> This patch changes the behavior such that we only wait for the
> panel to complete the PSR transition when we're entering PSR, and
> to skip verification when we're exiting.
> Cc: Stéphane Marchesin <marcheu at chromium.org>
> Cc: Sonny Rao <sonnyrao at chromium.org>
> Signed-off-by: zain wang <wzz at rock-chips.com>
> Signed-off-by: Sean Paul <seanpaul at chromium.org>
> Signed-off-by: Thierry Escande <thierry.escande at collabora.com>
> Signed-off-by: Enric Balletbo i Serra <enric.balletbo at collabora.com>
> Tested-by: Marek Szyprowski <m.szyprowski at samsung.com>

change itself looks good, so
Reviewed-by: Heiko Stuebner <heiko at sntech.de>

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