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path: root/drivers/gpu/drm/tegra
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Diffstat (limited to 'drivers/gpu/drm/tegra')
-rw-r--r--drivers/gpu/drm/tegra/dsi.c27
1 files changed, 14 insertions, 13 deletions
diff --git a/drivers/gpu/drm/tegra/dsi.c b/drivers/gpu/drm/tegra/dsi.c
index 60b802205546..748727bc175b 100644
--- a/drivers/gpu/drm/tegra/dsi.c
+++ b/drivers/gpu/drm/tegra/dsi.c
@@ -948,6 +948,14 @@ static int tegra_dsi_init(struct host1x_client *client)
struct tegra_dsi *dsi = host1x_client_to_dsi(client);
int err;
+ reset_control_deassert(dsi->rst);
+
+ err = tegra_dsi_pad_calibrate(dsi);
+ if (err < 0) {
+ dev_err(dsi->dev, "MIPI calibration failed: %d\n", err);
+ goto reset;
+ }
+
/* Gangsters must not register their own outputs. */
if (!dsi->master) {
dsi->output.type = TEGRA_OUTPUT_DSI;
@@ -968,6 +976,10 @@ static int tegra_dsi_init(struct host1x_client *client)
}
return 0;
+
+reset:
+ reset_control_assert(dsi->rst);
+ return err;
}
static int tegra_dsi_exit(struct host1x_client *client)
@@ -997,6 +1009,8 @@ static int tegra_dsi_exit(struct host1x_client *client)
}
}
+ reset_control_assert(dsi->rst);
+
return 0;
}
@@ -1423,13 +1437,6 @@ static int tegra_dsi_probe(struct platform_device *pdev)
if (IS_ERR(dsi->rst))
return PTR_ERR(dsi->rst);
- err = reset_control_deassert(dsi->rst);
- if (err < 0) {
- dev_err(&pdev->dev, "failed to bring DSI out of reset: %d\n",
- err);
- return err;
- }
-
dsi->clk = devm_clk_get(&pdev->dev, NULL);
if (IS_ERR(dsi->clk)) {
dev_err(&pdev->dev, "cannot get DSI clock\n");
@@ -1495,12 +1502,6 @@ static int tegra_dsi_probe(struct platform_device *pdev)
goto disable_vdd;
}
- err = tegra_dsi_pad_calibrate(dsi);
- if (err < 0) {
- dev_err(dsi->dev, "MIPI calibration failed: %d\n", err);
- goto mipi_free;
- }
-
dsi->host.ops = &tegra_dsi_host_ops;
dsi->host.dev = &pdev->dev;