From: Thierry Reding Date: Wed, 16 Apr 2014 07:52:31 +0000 (+0200) Subject: drm/tegra: dc - Do not touch power control register X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=501bcbd1b233edc160d0c770c03747a1c4aa14e5;p=GitHub%2FLineageOS%2FG12%2Fandroid_kernel_amlogic_linux-4.9.git 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 --- diff --git a/drivers/gpu/drm/tegra/dc.c b/drivers/gpu/drm/tegra/dc.c index 8b21e204a3ae..33e03a69a040 100644 --- a/drivers/gpu/drm/tegra/dc.c +++ b/drivers/gpu/drm/tegra/dc.c @@ -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);