diff options
Diffstat (limited to 'drivers/gpu/drm/meson/meson_vclk.c')
| -rw-r--r-- | drivers/gpu/drm/meson/meson_vclk.c | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/drivers/gpu/drm/meson/meson_vclk.c b/drivers/gpu/drm/meson/meson_vclk.c index 26732f038d19..869231c93617 100644 --- a/drivers/gpu/drm/meson/meson_vclk.c +++ b/drivers/gpu/drm/meson/meson_vclk.c @@ -5,9 +5,10 @@ * Copyright (C) 2015 Amlogic, Inc. All rights reserved. */ -#include <linux/kernel.h> -#include <linux/module.h> -#include <drm/drmP.h> +#include <linux/export.h> + +#include <drm/drm_print.h> + #include "meson_drv.h" #include "meson_vclk.h" @@ -96,6 +97,7 @@ #define HHI_VDAC_CNTL1 0x2F8 /* 0xbe offset in data sheet */ #define HHI_HDMI_PLL_CNTL 0x320 /* 0xc8 offset in data sheet */ +#define HHI_HDMI_PLL_CNTL_EN BIT(30) #define HHI_HDMI_PLL_CNTL2 0x324 /* 0xc9 offset in data sheet */ #define HHI_HDMI_PLL_CNTL3 0x328 /* 0xca offset in data sheet */ #define HHI_HDMI_PLL_CNTL4 0x32C /* 0xcb offset in data sheet */ @@ -468,7 +470,7 @@ void meson_hdmi_pll_set_params(struct meson_drm *priv, unsigned int m, /* Enable and unreset */ regmap_update_bits(priv->hhi, HHI_HDMI_PLL_CNTL, - 0x7 << 28, 0x4 << 28); + 0x7 << 28, HHI_HDMI_PLL_CNTL_EN); /* Poll for lock bit */ regmap_read_poll_timeout(priv->hhi, HHI_HDMI_PLL_CNTL, @@ -495,6 +497,7 @@ void meson_hdmi_pll_set_params(struct meson_drm *priv, unsigned int m, regmap_write(priv->hhi, HHI_HDMI_PLL_CNTL, 0x0b3a0400 | m); /* Enable and reset */ + /* TODO: add specific macro for g12a here */ regmap_update_bits(priv->hhi, HHI_HDMI_PLL_CNTL, 0x3 << 28, 0x3 << 28); @@ -969,7 +972,8 @@ void meson_vclk_setup(struct meson_drm *priv, unsigned int target, meson_venci_cvbs_clock_config(priv); return; } else if (target == MESON_VCLK_TARGET_DMT) { - /* The DMT clock path is fixed after the PLL: + /* + * The DMT clock path is fixed after the PLL: * - automatic PLL freq + OD management * - vid_pll_div = VID_PLL_DIV_5 * - vclk_div = 2 |