6.13-stable review patch. If anyone has any objections, please let me know.
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From: Abhinav Kumar quic_abhinavk@quicinc.com
[ Upstream commit 50e608d166ba68faacf81a5ce17c09b0c697eefd ]
Once the link has already been setup there is no need to call dp_catalog_ctrl_mainlink_ctrl() as this does a reset on the mainlink thereby tearing down the link briefly.
Fixes: c943b4948b58 ("drm/msm/dp: add displayPort driver support") Reviewed-by: Dmitry Baryshkov dmitry.baryshkov@linaro.org Patchwork: https://patchwork.freedesktop.org/patch/627479/ Link: https://lore.kernel.org/r/20241205-dp_mst-v1-1-f8618d42a99a@quicinc.com Signed-off-by: Abhinav Kumar quic_abhinavk@quicinc.com Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/gpu/drm/msm/dp/dp_ctrl.c | 1 - 1 file changed, 1 deletion(-)
diff --git a/drivers/gpu/drm/msm/dp/dp_ctrl.c b/drivers/gpu/drm/msm/dp/dp_ctrl.c index bc2ca8133b790..a8069f7c4773f 100644 --- a/drivers/gpu/drm/msm/dp/dp_ctrl.c +++ b/drivers/gpu/drm/msm/dp/dp_ctrl.c @@ -178,7 +178,6 @@ static void msm_dp_ctrl_configure_source_params(struct msm_dp_ctrl_private *ctrl u32 cc, tb;
msm_dp_catalog_ctrl_lane_mapping(ctrl->catalog); - msm_dp_catalog_ctrl_mainlink_ctrl(ctrl->catalog, true); msm_dp_catalog_setup_peripheral_flush(ctrl->catalog);
msm_dp_ctrl_config_ctrl(ctrl);