diff options
Diffstat (limited to 'drivers/video/fbdev/omap2/dss/hdmi_phy.c')
| -rw-r--r-- | drivers/video/fbdev/omap2/dss/hdmi_phy.c | 31 |
1 files changed, 11 insertions, 20 deletions
diff --git a/drivers/video/fbdev/omap2/dss/hdmi_phy.c b/drivers/video/fbdev/omap2/dss/hdmi_phy.c index e007ac892d79..bc9e07d2afbe 100644 --- a/drivers/video/fbdev/omap2/dss/hdmi_phy.c +++ b/drivers/video/fbdev/omap2/dss/hdmi_phy.c @@ -20,9 +20,7 @@ struct hdmi_phy_features { bool bist_ctrl; - bool calc_freqout; bool ldo_voltage; - unsigned long dcofreq_min; unsigned long max_phy; }; @@ -132,7 +130,8 @@ static void hdmi_phy_configure_lanes(struct hdmi_phy_data *phy) REG_FLD_MOD(phy->base, HDMI_TXPHY_PAD_CFG_CTRL, pol_val, 30, 27); } -int hdmi_phy_configure(struct hdmi_phy_data *phy, struct hdmi_config *cfg) +int hdmi_phy_configure(struct hdmi_phy_data *phy, unsigned long hfbitclk, + unsigned long lfbitclk) { u8 freqout; @@ -149,20 +148,16 @@ int hdmi_phy_configure(struct hdmi_phy_data *phy, struct hdmi_config *cfg) if (phy_feat->bist_ctrl) REG_FLD_MOD(phy->base, HDMI_TXPHY_BIST_CONTROL, 1, 11, 11); - if (phy_feat->calc_freqout) { - /* DCOCLK/10 is pixel clock, compare pclk with DCOCLK_MIN/10 */ - u32 dco_min = phy_feat->dcofreq_min / 10; - u32 pclk = cfg->timings.pixelclock; - - if (pclk < dco_min) - freqout = 0; - else if ((pclk >= dco_min) && (pclk < phy_feat->max_phy)) - freqout = 1; - else - freqout = 2; - } else { + /* + * If the hfbitclk != lfbitclk, it means the lfbitclk was configured + * to be used for TMDS. + */ + if (hfbitclk != lfbitclk) + freqout = 0; + else if (hfbitclk / 10 < phy_feat->max_phy) freqout = 1; - } + else + freqout = 2; /* * Write to phy address 0 to configure the clock @@ -184,17 +179,13 @@ int hdmi_phy_configure(struct hdmi_phy_data *phy, struct hdmi_config *cfg) static const struct hdmi_phy_features omap44xx_phy_feats = { .bist_ctrl = false, - .calc_freqout = false, .ldo_voltage = true, - .dcofreq_min = 500000000, .max_phy = 185675000, }; static const struct hdmi_phy_features omap54xx_phy_feats = { .bist_ctrl = true, - .calc_freqout = true, .ldo_voltage = false, - .dcofreq_min = 750000000, .max_phy = 186000000, }; |