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Commit 5fc5cc0b authored by guozhiming's avatar guozhiming Committed by hecaiqiang
Browse files

Add qualcomm patch about dynamic adjust MIPI clock 

Change-Id: I193785ae75b87533e88857fdb4870c650e3e69bf
parent 919f8955

drivers/gpu/drm/msm/dsi-staging/dsi_clk_manager.c

100644 → 100755
+7 −18
Original line number Diff line number Diff line
@@ -1261,7 +1261,6 @@ int dsi_display_link_clk_force_update(void *client) 
	struct dsi_clk_client_info *c = client;

	struct dsi_clk_mngr *mngr;

	struct dsi_link_clks *l_clks;



	mngr = c->mngr;

	mutex_lock(&mngr->clk_mutex);
@@ -1277,25 +1276,15 @@ int dsi_display_link_clk_force_update(void *client) 
		rc = -EAGAIN;

		goto error;

	}



	rc = dsi_display_link_clk_disable(l_clks,

			(DSI_LINK_LP_CLK | DSI_LINK_HS_CLK),

			mngr->dsi_ctrl_count, mngr->master_ndx);

	if (rc) {

		pr_err("%s, failed to stop link clk, rc = %d\n",

			__func__, rc);

	rc = dsi_clk_update_link_clk_state(mngr, l_clks, (DSI_LINK_LP_CLK | DSI_LINK_HS_CLK), DSI_CLK_OFF, false); 

	if (rc)

	goto error;

	}



	rc = dsi_display_link_clk_enable(l_clks,

			(DSI_LINK_LP_CLK | DSI_LINK_HS_CLK),

			mngr->dsi_ctrl_count, mngr->master_ndx);

	if (rc) {

		pr_err("%s, failed to start link clk rc= %d\n",

			__func__, rc);

		goto error;

	}

	rc = dsi_clk_update_link_clk_state(mngr, l_clks, (DSI_LINK_LP_CLK | 

	DSI_LINK_HS_CLK), DSI_CLK_ON, true); 

	

	if (rc)

		goto error;

error:

	mutex_unlock(&mngr->clk_mutex);

	return rc;