diff options
| author | Cristian Ciocaltea <cristian.ciocaltea@collabora.com> | 2025-03-18 14:35:48 +0200 |
|---|---|---|
| committer | Vinod Koul <vkoul@kernel.org> | 2025-04-11 17:18:04 +0530 |
| commit | 9d0ec51d7c227c3ae837e22832eaed219e25f126 (patch) | |
| tree | ea878ee725e5fb2425629b2ca169debada198385 | |
| parent | 45b14bdcf4acfd483d9890396197c35c23821124 (diff) | |
phy: rockchip: samsung-hdptx: Add high color depth management
Add support for 8-bit, 10-bit, 12-bit and 16-bit color depth setup.
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Cristian Ciocaltea <cristian.ciocaltea@collabora.com>
Reviewed-by: Dmitry Baryshkov <dmtiry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/20250318-phy-sam-hdptx-bpc-v6-14-8cb1678e7663@collabora.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
| -rw-r--r-- | drivers/phy/rockchip/phy-rockchip-samsung-hdptx.c | 23 |
1 files changed, 22 insertions, 1 deletions
diff --git a/drivers/phy/rockchip/phy-rockchip-samsung-hdptx.c b/drivers/phy/rockchip/phy-rockchip-samsung-hdptx.c index d09e1f7b25ec..fc289ed8d915 100644 --- a/drivers/phy/rockchip/phy-rockchip-samsung-hdptx.c +++ b/drivers/phy/rockchip/phy-rockchip-samsung-hdptx.c @@ -1028,6 +1028,9 @@ static int rk_hdptx_ropll_tmds_cmn_config(struct rk_hdptx_phy *hdptx) regmap_update_bits(hdptx->regmap, CMN_REG(0086), PLL_PCG_POSTDIV_SEL_MASK, FIELD_PREP(PLL_PCG_POSTDIV_SEL_MASK, cfg->pms_sdiv)); + regmap_update_bits(hdptx->regmap, CMN_REG(0086), PLL_PCG_CLK_SEL_MASK, + FIELD_PREP(PLL_PCG_CLK_SEL_MASK, (hdptx->hdmi_cfg.bpc - 8) >> 1)); + regmap_update_bits(hdptx->regmap, CMN_REG(0086), PLL_PCG_CLK_EN_MASK, FIELD_PREP(PLL_PCG_CLK_EN_MASK, 0x1)); @@ -1427,7 +1430,8 @@ static int rk_hdptx_phy_power_on(struct phy *phy) hdptx->hdmi_cfg.tmds_char_rate *= 100; } - dev_dbg(hdptx->dev, "%s rate=%llu\n", __func__, hdptx->hdmi_cfg.tmds_char_rate); + dev_dbg(hdptx->dev, "%s rate=%llu bpc=%u\n", __func__, + hdptx->hdmi_cfg.tmds_char_rate, hdptx->hdmi_cfg.bpc); } ret = rk_hdptx_phy_consumer_get(hdptx); @@ -1492,6 +1496,19 @@ static int rk_hdptx_phy_verify_hdmi_config(struct rk_hdptx_phy *hdptx, !rk_hdptx_phy_clk_pll_calc(hdmi->tmds_char_rate, NULL)) return -EINVAL; + if (!hdmi->bpc) + hdmi->bpc = 8; + + switch (hdmi->bpc) { + case 8: + case 10: + case 12: + case 16: + break; + default: + return -EINVAL; + }; + return 0; } @@ -1764,6 +1781,9 @@ static int rk_hdptx_phy_configure(struct phy *phy, union phy_configure_opts *opt hdptx->hdmi_cfg = opts->hdmi; hdptx->restrict_rate_change = true; } + + dev_dbg(hdptx->dev, "%s rate=%llu bpc=%u\n", __func__, + hdptx->hdmi_cfg.tmds_char_rate, hdptx->hdmi_cfg.bpc); return ret; } @@ -1972,6 +1992,7 @@ static int rk_hdptx_phy_probe(struct platform_device *pdev) return -ENOMEM; hdptx->dev = dev; + hdptx->hdmi_cfg.bpc = 8; regs = devm_platform_get_and_ioremap_resource(pdev, 0, &res); if (IS_ERR(regs)) |