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drm/msm/dp: Drop dev_pm_opp_set_rate(0)

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dev_pm_opp_set_rate(0) removes the vote specified in required-opps but
does not actually park the clock, making it run without the necessary
power backing. Drop the explicit calls to it.

Fixes: c943b4948b ("drm/msm/dp: add displayPort driver support")
Signed-off-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
Patchwork: https://patchwork.freedesktop.org/patch/742781/
Link: https://lore.kernel.org/r/20260728-topic-dpu_power-v1-2-e7783b859a70@oss.qualcomm.com
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
This commit is contained in:
Konrad Dybcio 2026-07-28 15:20:46 +02:00 committed by Dmitry Baryshkov
parent 811c38907e
commit cebfa9909e
1 changed files with 1 additions and 4 deletions
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5
drivers/gpu/drm/msm/dp/dp_ctrl.c
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@ -1988,13 +1988,12 @@ static int msm_dp_ctrl_reinitialize_mainlink(struct msm_dp_ctrl_private *ctrl,
msm_dp_ctrl_mainlink_disable(ctrl);
ctrl->phy_opts.dp.lanes = ctrl->link->link_params.num_lanes;
phy_configure(phy, &ctrl->phy_opts);
/*
* Disable and re-enable the mainlink clock since the
* link clock might have been adjusted as part of the
* link maintenance.
*/
dev_pm_opp_set_rate(ctrl->dev, 0);
msm_dp_ctrl_link_clk_disable(&ctrl->msm_dp_ctrl);
phy_power_off(phy);
@ -2021,7 +2020,6 @@ static int msm_dp_ctrl_deinitialize_mainlink(struct msm_dp_ctrl_private *ctrl,
msm_dp_ctrl_reset(&ctrl->msm_dp_ctrl, panel);
dev_pm_opp_set_rate(ctrl->dev, 0);
msm_dp_ctrl_link_clk_disable(&ctrl->msm_dp_ctrl);
phy_power_off(phy);
@ -2656,7 +2654,6 @@ void msm_dp_ctrl_off_link(struct msm_dp_ctrl *msm_dp_ctrl,
msm_dp_ctrl_reset(&ctrl->msm_dp_ctrl, panel);
dev_pm_opp_set_rate(ctrl->dev, 0);
msm_dp_ctrl_link_clk_disable(&ctrl->msm_dp_ctrl);
phy_power_off(phy);