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drm/tegra: dc - Do not touch power control register 

Setting the bits in this register is dependent on the output type driven
by the display controller. All output drivers already set these properly
so there is no need to do it here again.

Signed-off-by: Thierry Reding <treding@nvidia.com>
hifive-unleashed-5.1
Thierry Reding 2014-04-16 09:52:31 +02:00
parent 10288eea88
commit 501bcbd1b2
1 changed files with 0 additions and 4 deletions
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4
drivers/gpu/drm/tegra/dc.c
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@ -743,10 +743,6 @@ static void tegra_crtc_prepare(struct drm_crtc *crtc)
WIN_A_OF_INT | WIN_B_OF_INT | WIN_C_OF_INT;
tegra_dc_writel(dc, value, DC_CMD_INT_POLARITY);
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);
/* initialize timer */
value = CURSOR_THRESHOLD(0) | WINDOW_A_THRESHOLD(0x20) |
WINDOW_B_THRESHOLD(0x20) | WINDOW_C_THRESHOLD(0x20);