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path: root/drivers/gpu/drm/tegra/sor.c
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Diffstat (limited to 'drivers/gpu/drm/tegra/sor.c')
-rw-r--r--drivers/gpu/drm/tegra/sor.c25
1 files changed, 3 insertions, 22 deletions
diff --git a/drivers/gpu/drm/tegra/sor.c b/drivers/gpu/drm/tegra/sor.c
index e813df71e30c..2afe478ded3b 100644
--- a/drivers/gpu/drm/tegra/sor.c
+++ b/drivers/gpu/drm/tegra/sor.c
@@ -261,17 +261,8 @@ static int tegra_sor_attach(struct tegra_sor *sor)
static int tegra_sor_wakeup(struct tegra_sor *sor)
{
- struct tegra_dc *dc = to_tegra_dc(sor->output.encoder.crtc);
unsigned long value, timeout;
- /* enable display controller outputs */
- value = tegra_dc_readl(dc, DC_CMD_DISPLAY_POWER_CONTROL);
- value |= PW0_ENABLE | PW1_ENABLE | PW2_ENABLE | PW3_ENABLE |
- PW4_ENABLE | PM0_ENABLE | PM1_ENABLE;
- tegra_dc_writel(dc, value, DC_CMD_DISPLAY_POWER_CONTROL);
-
- tegra_dc_commit(dc);
-
timeout = jiffies + msecs_to_jiffies(250);
/* wait for head to wake up */
@@ -1112,18 +1103,6 @@ static void tegra_sor_encoder_mode_set(struct drm_encoder *encoder,
goto unlock;
}
- /* start display controller in continuous mode */
- value = tegra_dc_readl(dc, DC_CMD_STATE_ACCESS);
- value |= WRITE_MUX;
- tegra_dc_writel(dc, value, DC_CMD_STATE_ACCESS);
-
- tegra_dc_writel(dc, VSYNC_H_POSITION(1), DC_DISP_DISP_TIMING_OPTIONS);
- tegra_dc_writel(dc, DISP_CTRL_MODE_C_DISPLAY, DC_CMD_DISPLAY_COMMAND);
-
- value = tegra_dc_readl(dc, DC_CMD_STATE_ACCESS);
- value &= ~WRITE_MUX;
- tegra_dc_writel(dc, value, DC_CMD_STATE_ACCESS);
-
/*
* configure panel (24bpp, vsync-, hsync-, DP-A protocol, complete
* raster, associate with display controller)
@@ -1198,11 +1177,13 @@ static void tegra_sor_encoder_mode_set(struct drm_encoder *encoder,
goto unlock;
}
+ tegra_sor_update(sor);
+
value = tegra_dc_readl(dc, DC_DISP_DISP_WIN_OPTIONS);
value |= SOR_ENABLE;
tegra_dc_writel(dc, value, DC_DISP_DISP_WIN_OPTIONS);
- tegra_sor_update(sor);
+ tegra_dc_commit(dc);
err = tegra_sor_attach(sor);
if (err < 0) {