Thread (76 messages) 76 messages, 3 authors, 2018-03-17

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

From: Heiko Stübner <heiko@sntech.de>
Date: 2018-03-14 12:51:37
Also in: dri-devel, linux-arm-kernel, linux-rockchip, linux-samsung-soc, lkml

Am Freitag, 9. März 2018, 23:22:57 CET schrieb Enric Balletbo i Serra:
From: zain wang <redacted>

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 <redacted>
Cc: Sonny Rao <redacted>
Signed-off-by: zain wang <redacted>
Signed-off-by: Sean Paul <redacted>
Signed-off-by: Thierry Escande <redacted>
Signed-off-by: Enric Balletbo i Serra <redacted>
Tested-by: Marek Szyprowski <m.szyprowski@samsung.com>
applied to drm-misc-next with the subject fixed.


Thanks
Heiko
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