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

Enric Balletbo i Serra enric.balletbo at collabora.com
Mon Mar 12 17:26:41 PDT 2018

On 12/03/18 17:58, Heiko Stübner wrote:
> Hi,
> 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"?

Right, I'll fix this when I need to send another version, I'll wait, for now, a
bit more for reviews on the other patches.


> 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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