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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.c12
1 files changed, 10 insertions, 2 deletions
diff --git a/drivers/gpu/drm/tegra/hdmi.c b/drivers/gpu/drm/tegra/hdmi.c
index 7e06657ae58b..06ab1783bba1 100644
--- a/drivers/gpu/drm/tegra/hdmi.c
+++ b/drivers/gpu/drm/tegra/hdmi.c
@@ -851,6 +851,14 @@ static void tegra_hdmi_encoder_mode_set(struct drm_encoder *encoder,
h_back_porch = mode->htotal - mode->hsync_end;
h_front_porch = mode->hsync_start - mode->hdisplay;
+ err = clk_set_rate(hdmi->clk, pclk);
+ if (err < 0) {
+ dev_err(hdmi->dev, "failed to set HDMI clock frequency: %d\n",
+ err);
+ }
+
+ DRM_DEBUG_KMS("HDMI clock rate: %lu Hz\n", clk_get_rate(hdmi->clk));
+
/* power up sequence */
value = tegra_hdmi_readl(hdmi, HDMI_NV_PDISP_SOR_PLL0);
value &= ~SOR_PLL_PDBG;
@@ -944,7 +952,7 @@ static void tegra_hdmi_encoder_mode_set(struct drm_encoder *encoder,
}
tegra_hdmi_writel(hdmi,
- SOR_SEQ_CTL_PU_PC(0) |
+ SOR_SEQ_PU_PC(0) |
SOR_SEQ_PU_PC_ALT(0) |
SOR_SEQ_PD_PC(8) |
SOR_SEQ_PD_PC_ALT(8),
@@ -1386,8 +1394,8 @@ static int tegra_hdmi_exit(struct host1x_client *client)
tegra_output_exit(&hdmi->output);
- clk_disable_unprepare(hdmi->clk);
reset_control_assert(hdmi->rst);
+ clk_disable_unprepare(hdmi->clk);
regulator_disable(hdmi->vdd);
regulator_disable(hdmi->pll);
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