From: zain wang Date: Wed, 7 Dec 2016 00:57:33 +0000 (+0800) Subject: drm/bridge: analogix: Don't return -EINVAL when panel doesn't support PSR X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=8f34a548718ebb4becb4f829800552c48284ce9e;p=linux-beck.git drm/bridge: analogix: Don't return -EINVAL when panel doesn't support PSR We will ignored PSR setting if panel not support it. So, in this case, we should return from analogix_dp_enable/disable_psr() without any error code. Let's retrun 0 instead of -EINVAL when panel not support PSR in analogix_dp_enable/disable_psr(). Signed-off-by: zain wang Signed-off-by: Archit Taneja Link: http://patchwork.freedesktop.org/patch/msgid/1481072253-8917-1-git-send-email-wzz@rock-chips.com --- diff --git a/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c b/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c index 6e0447f329a2..eb9bf8786c24 100644 --- a/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c +++ b/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c @@ -112,7 +112,7 @@ int analogix_dp_enable_psr(struct device *dev) struct edp_vsc_psr psr_vsc; if (!dp->psr_support) - return -EINVAL; + return 0; /* Prepare VSC packet as per EDP 1.4 spec, Table 6.9 */ memset(&psr_vsc, 0, sizeof(psr_vsc)); @@ -135,7 +135,7 @@ int analogix_dp_disable_psr(struct device *dev) struct edp_vsc_psr psr_vsc; if (!dp->psr_support) - return -EINVAL; + return 0; /* Prepare VSC packet as per EDP 1.4 spec, Table 6.9 */ memset(&psr_vsc, 0, sizeof(psr_vsc));