From mboxrd@z Thu Jan 1 00:00:00 1970 From: heiko@sntech.de (Heiko =?ISO-8859-1?Q?St=FCbner?=) Date: Wed, 14 Mar 2018 13:51:20 +0100 Subject: [PATCH v5 06/36] drm/rockchip: Only wait for panel ACK on PSR entry In-Reply-To: <20180309222327.18689-7-enric.balletbo@collabora.com> References: <20180309222327.18689-1-enric.balletbo@collabora.com> <20180309222327.18689-7-enric.balletbo@collabora.com> Message-ID: <217296292.AN06WKDqZv@diego> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Am Freitag, 9. M?rz 2018, 23:22:57 CET schrieb Enric Balletbo i Serra: > From: zain wang > > 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: St?phane Marchesin > Cc: Sonny Rao > Signed-off-by: zain wang > Signed-off-by: Sean Paul > Signed-off-by: Thierry Escande > Signed-off-by: Enric Balletbo i Serra > Tested-by: Marek Szyprowski applied to drm-misc-next with the subject fixed. Thanks Heiko