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Commit 0fe16840 authored by Vara Reddy's avatar Vara Reddy
Browse files

drm/msm/dsi-staging: fix cmd engine ref count logic 



Fix command engine ref count logic which is not decremented
correctly after the command was sent successfully.

Change-Id: I6c6aaedf85bc8eb9f1d05aa657a5f3104f4e5fec
Signed-off-by: default avatarVara Reddy <varar@codeaurora.org>
parent 5915565f

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

+6 −6
Original line number Diff line number Diff line
@@ -1371,21 +1371,21 @@ static ssize_t dsi_host_transfer(struct mipi_dsi_host *host, 
			goto error_disable_cmd_engine;

		}

	}

	return rc;



put_iova:

	msm_gem_put_iova(display->tx_cmd_buf, 0);

free_gem:

	msm_gem_free_object(display->tx_cmd_buf);

error_disable_cmd_engine:

	(void)dsi_display_cmd_engine_disable(display);

error_disable_clks:

	rc = dsi_display_clk_ctrl(display->dsi_clk_handle,

			DSI_ALL_CLKS, DSI_CLK_OFF);

	if (rc) {

		pr_err("[%s] failed to enable all DSI clocks, rc=%d\n",

		pr_err("[%s] failed to disable all DSI clocks, rc=%d\n",

		       display->name, rc);

	}

	return rc;

put_iova:

	msm_gem_put_iova(display->tx_cmd_buf, 0);

free_gem:

	msm_gem_free_object(display->tx_cmd_buf);

error:

	return rc;

}