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| author | zain wang <wzz@rock-chips.com> | 2018-03-09 23:22:54 +0100 |
|---|---|---|
| committer | Heiko Stuebner <heiko@sntech.de> | 2018-03-14 11:29:31 +0100 |
| commit | 243e398aab8dc0ba966dbcfef189b5a616e74a78 (patch) | |
| tree | 46ac5d7a9320df7de92093d92cda1624e9264792 /drivers/gpu/drm/rockchip | |
| parent | baa2f0240144c28502c09902f6a116138a354561 (diff) | |
| download | lwn-243e398aab8dc0ba966dbcfef189b5a616e74a78.tar.gz lwn-243e398aab8dc0ba966dbcfef189b5a616e74a78.zip | |
drm/bridge: analogix_dp: Don't change psr while bridge is disabled
There is a race between AUX CH bring-up and enabling bridge which will
cause link training to fail. To avoid hitting it, don't change psr state
while enabling the bridge.
Cc: Tomeu Vizoso <tomeu.vizoso@collabora.com>
Cc: Sean Paul <seanpaul@chromium.org>
Signed-off-by: zain wang <wzz@rock-chips.com>
Signed-off-by: Caesar Wang <wxt@rock-chips.com>
[seanpaul fixed up the commit message a bit and renamed *_supported to *_enabled]
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Signed-off-by: Thierry Escande <thierry.escande@collabora.com>
Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Tested-by: Marek Szyprowski <m.szyprowski@samsung.com>
Reviewed-by: Archit Taneja <architt@codeaurora.org>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Link: https://patchwork.freedesktop.org/patch/msgid/20180309222327.18689-4-enric.balletbo@collabora.com
Diffstat (limited to 'drivers/gpu/drm/rockchip')
| -rw-r--r-- | drivers/gpu/drm/rockchip/analogix_dp-rockchip.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/rockchip/analogix_dp-rockchip.c b/drivers/gpu/drm/rockchip/analogix_dp-rockchip.c index 36334839a3f8..3e8bf79bea58 100644 --- a/drivers/gpu/drm/rockchip/analogix_dp-rockchip.c +++ b/drivers/gpu/drm/rockchip/analogix_dp-rockchip.c @@ -82,7 +82,7 @@ static void analogix_dp_psr_set(struct drm_encoder *encoder, bool enabled) struct rockchip_dp_device *dp = to_dp(encoder); int ret; - if (!analogix_dp_psr_supported(dp->adp)) + if (!analogix_dp_psr_enabled(dp->adp)) return; DRM_DEV_DEBUG(dp->dev, "%s PSR...\n", enabled ? "Entry" : "Exit"); |