diff options
| -rw-r--r-- | drivers/gpu/drm/tegra/dsi.c | 28 |
1 files changed, 17 insertions, 11 deletions
diff --git a/drivers/gpu/drm/tegra/dsi.c b/drivers/gpu/drm/tegra/dsi.c index 7e75215a9de4..972618e6acf6 100644 --- a/drivers/gpu/drm/tegra/dsi.c +++ b/drivers/gpu/drm/tegra/dsi.c @@ -1489,9 +1489,11 @@ static int tegra_dsi_probe(struct platform_device *pdev) dsi->format = MIPI_DSI_FMT_RGB888; dsi->lanes = 4; - dsi->rst = devm_reset_control_get(&pdev->dev, "dsi"); - if (IS_ERR(dsi->rst)) - return PTR_ERR(dsi->rst); + if (!pdev->dev.pm_domain) { + dsi->rst = devm_reset_control_get(&pdev->dev, "dsi"); + if (IS_ERR(dsi->rst)) + return PTR_ERR(dsi->rst); + } dsi->clk = devm_clk_get(&pdev->dev, NULL); if (IS_ERR(dsi->clk)) { @@ -1592,10 +1594,12 @@ static int tegra_dsi_suspend(struct device *dev) struct tegra_dsi *dsi = dev_get_drvdata(dev); int err; - err = reset_control_assert(dsi->rst); - if (err < 0) { - dev_err(dev, "failed to assert reset: %d\n", err); - return err; + if (dsi->rst) { + err = reset_control_assert(dsi->rst); + if (err < 0) { + dev_err(dev, "failed to assert reset: %d\n", err); + return err; + } } usleep_range(1000, 2000); @@ -1633,10 +1637,12 @@ static int tegra_dsi_resume(struct device *dev) usleep_range(1000, 2000); - err = reset_control_deassert(dsi->rst); - if (err < 0) { - dev_err(dev, "cannot assert reset: %d\n", err); - goto disable_clk_lp; + if (dsi->rst) { + err = reset_control_deassert(dsi->rst); + if (err < 0) { + dev_err(dev, "cannot assert reset: %d\n", err); + goto disable_clk_lp; + } } return 0; |