diff options
| -rw-r--r-- | drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c b/drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c index 0943ce76cf48..240552eb517f 100644 --- a/drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c +++ b/drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c @@ -61,11 +61,13 @@ * @lcdsel_grf_reg: grf register offset of lcdc select * @lcdsel_big: reg value of selecting vop big for HDMI * @lcdsel_lit: reg value of selecting vop little for HDMI + * @max_tmds_clock: maximum TMDS clock rate supported */ struct rockchip_hdmi_chip_data { int lcdsel_grf_reg; u32 lcdsel_big; u32 lcdsel_lit; + int max_tmds_clock; }; struct rockchip_hdmi { @@ -254,6 +256,10 @@ dw_hdmi_rockchip_mode_valid(struct dw_hdmi *dw_hdmi, void *data, bool exact_match = hdmi->plat_data->phy_force_vendor; int i; + if (hdmi->chip_data->max_tmds_clock && + mode->clock > hdmi->chip_data->max_tmds_clock) + return MODE_CLOCK_HIGH; + if (hdmi->ref_clk) { int rpclk = clk_round_rate(hdmi->ref_clk, pclk); @@ -444,6 +450,7 @@ static const struct dw_hdmi_phy_ops rk3228_hdmi_phy_ops = { static struct rockchip_hdmi_chip_data rk3228_chip_data = { .lcdsel_grf_reg = -1, + .max_tmds_clock = 594000, }; static const struct dw_hdmi_plat_data rk3228_hdmi_drv_data = { @@ -458,6 +465,7 @@ static struct rockchip_hdmi_chip_data rk3288_chip_data = { .lcdsel_grf_reg = RK3288_GRF_SOC_CON6, .lcdsel_big = HIWORD_UPDATE(0, RK3288_HDMI_LCDC_SEL), .lcdsel_lit = HIWORD_UPDATE(RK3288_HDMI_LCDC_SEL, RK3288_HDMI_LCDC_SEL), + .max_tmds_clock = 340000, }; static const struct dw_hdmi_plat_data rk3288_hdmi_drv_data = { @@ -478,6 +486,7 @@ static const struct dw_hdmi_phy_ops rk3328_hdmi_phy_ops = { static struct rockchip_hdmi_chip_data rk3328_chip_data = { .lcdsel_grf_reg = -1, + .max_tmds_clock = 594000, }; static const struct dw_hdmi_plat_data rk3328_hdmi_drv_data = { @@ -493,6 +502,7 @@ static struct rockchip_hdmi_chip_data rk3399_chip_data = { .lcdsel_grf_reg = RK3399_GRF_SOC_CON20, .lcdsel_big = HIWORD_UPDATE(0, RK3399_HDMI_LCDC_SEL), .lcdsel_lit = HIWORD_UPDATE(RK3399_HDMI_LCDC_SEL, RK3399_HDMI_LCDC_SEL), + .max_tmds_clock = 340000, }; static const struct dw_hdmi_plat_data rk3399_hdmi_drv_data = { @@ -506,6 +516,7 @@ static const struct dw_hdmi_plat_data rk3399_hdmi_drv_data = { static struct rockchip_hdmi_chip_data rk3568_chip_data = { .lcdsel_grf_reg = -1, + .max_tmds_clock = 340000, }; static const struct dw_hdmi_plat_data rk3568_hdmi_drv_data = { |