drm/msm/dsi: save pll state before dsi host is powered off (a1028dcf) · Commits · 戴 / test

drivers/gpu/drm/msm/dsi/dsi_manager.c

+5 −0

Original line number	Diff line number	Diff line
		@@ -506,6 +506,7 @@ static void dsi_mgr_bridge_post_disable(struct drm_bridge *bridge)
		struct msm_dsi *msm_dsi1 = dsi_mgr_get_dsi(DSI_1);
		struct mipi_dsi_host *host = msm_dsi->host;
		struct drm_panel *panel = msm_dsi->panel;
		struct msm_dsi_pll *src_pll;
		bool is_dual_dsi = IS_DUAL_DSI();
		int ret;

		@@ -539,6 +540,10 @@ static void dsi_mgr_bridge_post_disable(struct drm_bridge *bridge)
		id, ret);
		}

		/* Save PLL status if it is a clock source */
		src_pll = msm_dsi_phy_get_pll(msm_dsi->phy);
		msm_dsi_pll_save_state(src_pll);

		ret = msm_dsi_host_power_off(host);
		if (ret)
		pr_err("%s: host %d power off failed,%d\n", __func__, id, ret);

+0 −4

Original line number	Diff line number	Diff line
		@@ -724,10 +724,6 @@ void msm_dsi_phy_disable(struct msm_dsi_phy *phy)
		if (!phy \|\| !phy->cfg->ops.disable)
		return;

		/* Save PLL status if it is a clock source */
		if (phy->usecase != MSM_DSI_PHY_SLAVE)
		msm_dsi_pll_save_state(phy->pll);

		phy->cfg->ops.disable(phy);

		dsi_phy_regulator_disable(phy);