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path: root/drivers/gpu/drm/tegra/hdmi.c
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Diffstat (limited to 'drivers/gpu/drm/tegra/hdmi.c')
-rw-r--r--drivers/gpu/drm/tegra/hdmi.c15
1 files changed, 11 insertions, 4 deletions
diff --git a/drivers/gpu/drm/tegra/hdmi.c b/drivers/gpu/drm/tegra/hdmi.c
index 0cd9bc2056e8..7f6253ea5cb5 100644
--- a/drivers/gpu/drm/tegra/hdmi.c
+++ b/drivers/gpu/drm/tegra/hdmi.c
@@ -8,10 +8,10 @@
8 */ 8 */
9 9
10#include <linux/clk.h> 10#include <linux/clk.h>
11#include <linux/clk/tegra.h>
12#include <linux/debugfs.h> 11#include <linux/debugfs.h>
13#include <linux/hdmi.h> 12#include <linux/hdmi.h>
14#include <linux/regulator/consumer.h> 13#include <linux/regulator/consumer.h>
14#include <linux/reset.h>
15 15
16#include "hdmi.h" 16#include "hdmi.h"
17#include "drm.h" 17#include "drm.h"
@@ -49,6 +49,7 @@ struct tegra_hdmi {
49 49
50 struct clk *clk_parent; 50 struct clk *clk_parent;
51 struct clk *clk; 51 struct clk *clk;
52 struct reset_control *rst;
52 53
53 const struct tegra_hdmi_config *config; 54 const struct tegra_hdmi_config *config;
54 55
@@ -731,9 +732,9 @@ static int tegra_output_hdmi_enable(struct tegra_output *output)
731 return err; 732 return err;
732 } 733 }
733 734
734 tegra_periph_reset_assert(hdmi->clk); 735 reset_control_assert(hdmi->rst);
735 usleep_range(1000, 2000); 736 usleep_range(1000, 2000);
736 tegra_periph_reset_deassert(hdmi->clk); 737 reset_control_deassert(hdmi->rst);
737 738
738 tegra_dc_writel(dc, VSYNC_H_POSITION(1), 739 tegra_dc_writel(dc, VSYNC_H_POSITION(1),
739 DC_DISP_DISP_TIMING_OPTIONS); 740 DC_DISP_DISP_TIMING_OPTIONS);
@@ -912,7 +913,7 @@ static int tegra_output_hdmi_disable(struct tegra_output *output)
912{ 913{
913 struct tegra_hdmi *hdmi = to_hdmi(output); 914 struct tegra_hdmi *hdmi = to_hdmi(output);
914 915
915 tegra_periph_reset_assert(hdmi->clk); 916 reset_control_assert(hdmi->rst);
916 clk_disable(hdmi->clk); 917 clk_disable(hdmi->clk);
917 regulator_disable(hdmi->pll); 918 regulator_disable(hdmi->pll);
918 919
@@ -1338,6 +1339,12 @@ static int tegra_hdmi_probe(struct platform_device *pdev)
1338 return PTR_ERR(hdmi->clk); 1339 return PTR_ERR(hdmi->clk);
1339 } 1340 }
1340 1341
1342 hdmi->rst = devm_reset_control_get(&pdev->dev, "hdmi");
1343 if (IS_ERR(hdmi->rst)) {
1344 dev_err(&pdev->dev, "failed to get reset\n");
1345 return PTR_ERR(hdmi->rst);
1346 }
1347
1341 err = clk_prepare(hdmi->clk); 1348 err = clk_prepare(hdmi->clk);
1342 if (err < 0) 1349 if (err < 0)
1343 return err; 1350 return err;