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path: root/drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c
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Diffstat (limited to 'drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c')
-rw-r--r--drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c107
1 files changed, 41 insertions, 66 deletions
diff --git a/drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c b/drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c
index fe33092abbe7..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 {
@@ -77,8 +79,6 @@ struct rockchip_hdmi {
struct clk *ref_clk;
struct clk *grf_clk;
struct dw_hdmi *hdmi;
- struct regulator *avdd_0v9;
- struct regulator *avdd_1v8;
struct phy *phy;
};
@@ -209,43 +209,40 @@ static const struct dw_hdmi_phy_config rockchip_phy_config[] = {
static int rockchip_hdmi_parse_dt(struct rockchip_hdmi *hdmi)
{
struct device_node *np = hdmi->dev->of_node;
+ int ret;
hdmi->regmap = syscon_regmap_lookup_by_phandle(np, "rockchip,grf");
if (IS_ERR(hdmi->regmap)) {
- DRM_DEV_ERROR(hdmi->dev, "Unable to get rockchip,grf\n");
+ drm_err(hdmi, "Unable to get rockchip,grf\n");
return PTR_ERR(hdmi->regmap);
}
- hdmi->ref_clk = devm_clk_get_optional(hdmi->dev, "ref");
+ hdmi->ref_clk = devm_clk_get_optional_enabled(hdmi->dev, "ref");
if (!hdmi->ref_clk)
- hdmi->ref_clk = devm_clk_get_optional(hdmi->dev, "vpll");
+ hdmi->ref_clk = devm_clk_get_optional_enabled(hdmi->dev, "vpll");
- if (PTR_ERR(hdmi->ref_clk) == -EPROBE_DEFER) {
- return -EPROBE_DEFER;
- } else if (IS_ERR(hdmi->ref_clk)) {
- DRM_DEV_ERROR(hdmi->dev, "failed to get reference clock\n");
- return PTR_ERR(hdmi->ref_clk);
+ if (IS_ERR(hdmi->ref_clk)) {
+ ret = PTR_ERR(hdmi->ref_clk);
+ if (ret != -EPROBE_DEFER)
+ drm_err(hdmi, "failed to get reference clock\n");
+ return ret;
}
- hdmi->grf_clk = devm_clk_get(hdmi->dev, "grf");
- if (PTR_ERR(hdmi->grf_clk) == -ENOENT) {
- hdmi->grf_clk = NULL;
- } else if (PTR_ERR(hdmi->grf_clk) == -EPROBE_DEFER) {
- return -EPROBE_DEFER;
- } else if (IS_ERR(hdmi->grf_clk)) {
- DRM_DEV_ERROR(hdmi->dev, "failed to get grf clock\n");
- return PTR_ERR(hdmi->grf_clk);
+ hdmi->grf_clk = devm_clk_get_optional(hdmi->dev, "grf");
+ if (IS_ERR(hdmi->grf_clk)) {
+ ret = PTR_ERR(hdmi->grf_clk);
+ if (ret != -EPROBE_DEFER)
+ drm_err(hdmi, "failed to get grf clock\n");
+ return ret;
}
- hdmi->avdd_0v9 = devm_regulator_get(hdmi->dev, "avdd-0v9");
- if (IS_ERR(hdmi->avdd_0v9))
- return PTR_ERR(hdmi->avdd_0v9);
+ ret = devm_regulator_get_enable(hdmi->dev, "avdd-0v9");
+ if (ret)
+ return ret;
- hdmi->avdd_1v8 = devm_regulator_get(hdmi->dev, "avdd-1v8");
- if (IS_ERR(hdmi->avdd_1v8))
- return PTR_ERR(hdmi->avdd_1v8);
+ ret = devm_regulator_get_enable(hdmi->dev, "avdd-1v8");
- return 0;
+ return ret;
}
static enum drm_mode_status
@@ -259,6 +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);
@@ -322,17 +323,16 @@ static void dw_hdmi_rockchip_encoder_enable(struct drm_encoder *encoder)
ret = clk_prepare_enable(hdmi->grf_clk);
if (ret < 0) {
- DRM_DEV_ERROR(hdmi->dev, "failed to enable grfclk %d\n", ret);
+ drm_err(hdmi, "failed to enable grfclk %d\n", ret);
return;
}
ret = regmap_write(hdmi->regmap, hdmi->chip_data->lcdsel_grf_reg, val);
if (ret != 0)
- DRM_DEV_ERROR(hdmi->dev, "Could not write to GRF: %d\n", ret);
+ drm_err(hdmi, "Could not write to GRF: %d\n", ret);
clk_disable_unprepare(hdmi->grf_clk);
- DRM_DEV_DEBUG(hdmi->dev, "vop %s output to hdmi\n",
- ret ? "LIT" : "BIG");
+ drm_dbg(hdmi, "vop %s output to hdmi\n", ret ? "LIT" : "BIG");
}
static int
@@ -362,6 +362,8 @@ static int dw_hdmi_rockchip_genphy_init(struct dw_hdmi *dw_hdmi, void *data,
{
struct rockchip_hdmi *hdmi = (struct rockchip_hdmi *)data;
+ dw_hdmi_set_high_tmds_clock_ratio(dw_hdmi, display);
+
return phy_power_on(hdmi->phy);
}
@@ -434,6 +436,8 @@ static void dw_hdmi_rk3328_setup_hpd(struct dw_hdmi *dw_hdmi, void *data)
HIWORD_UPDATE(RK3328_HDMI_SDAIN_MSK | RK3328_HDMI_SCLIN_MSK,
RK3328_HDMI_SDAIN_MSK | RK3328_HDMI_SCLIN_MSK |
RK3328_HDMI_HPD_IOE));
+
+ dw_hdmi_rk3328_read_hpd(dw_hdmi, data);
}
static const struct dw_hdmi_phy_ops rk3228_hdmi_phy_ops = {
@@ -446,13 +450,11 @@ 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 = {
.mode_valid = dw_hdmi_rockchip_mode_valid,
- .mpll_cfg = rockchip_mpll_cfg,
- .cur_ctr = rockchip_cur_ctr,
- .phy_config = rockchip_phy_config,
.phy_data = &rk3228_chip_data,
.phy_ops = &rk3228_hdmi_phy_ops,
.phy_name = "inno_dw_hdmi_phy2",
@@ -463,6 +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 = {
@@ -483,13 +486,11 @@ 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 = {
.mode_valid = dw_hdmi_rockchip_mode_valid,
- .mpll_cfg = rockchip_mpll_cfg,
- .cur_ctr = rockchip_cur_ctr,
- .phy_config = rockchip_phy_config,
.phy_data = &rk3328_chip_data,
.phy_ops = &rk3328_hdmi_phy_ops,
.phy_name = "inno_dw_hdmi_phy2",
@@ -501,6 +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 = {
@@ -514,6 +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 = {
@@ -592,7 +595,7 @@ static int dw_hdmi_rockchip_bind(struct device *dev, struct device *master,
ret = rockchip_hdmi_parse_dt(hdmi);
if (ret) {
if (ret != -EPROBE_DEFER)
- DRM_DEV_ERROR(hdmi->dev, "Unable to parse OF data\n");
+ drm_err(hdmi, "Unable to parse OF data\n");
return ret;
}
@@ -600,29 +603,10 @@ static int dw_hdmi_rockchip_bind(struct device *dev, struct device *master,
if (IS_ERR(hdmi->phy)) {
ret = PTR_ERR(hdmi->phy);
if (ret != -EPROBE_DEFER)
- DRM_DEV_ERROR(hdmi->dev, "failed to get phy\n");
+ drm_err(hdmi, "failed to get phy\n");
return ret;
}
- ret = regulator_enable(hdmi->avdd_0v9);
- if (ret) {
- DRM_DEV_ERROR(hdmi->dev, "failed to enable avdd0v9: %d\n", ret);
- goto err_avdd_0v9;
- }
-
- ret = regulator_enable(hdmi->avdd_1v8);
- if (ret) {
- DRM_DEV_ERROR(hdmi->dev, "failed to enable avdd1v8: %d\n", ret);
- goto err_avdd_1v8;
- }
-
- ret = clk_prepare_enable(hdmi->ref_clk);
- if (ret) {
- DRM_DEV_ERROR(hdmi->dev, "Failed to enable HDMI reference clock: %d\n",
- ret);
- goto err_clk;
- }
-
if (hdmi->chip_data == &rk3568_chip_data) {
regmap_write(hdmi->regmap, RK3568_GRF_VO_CON1,
HIWORD_UPDATE(RK3568_HDMI_SDAIN_MSK |
@@ -651,12 +635,7 @@ static int dw_hdmi_rockchip_bind(struct device *dev, struct device *master,
err_bind:
drm_encoder_cleanup(encoder);
- clk_disable_unprepare(hdmi->ref_clk);
-err_clk:
- regulator_disable(hdmi->avdd_1v8);
-err_avdd_1v8:
- regulator_disable(hdmi->avdd_0v9);
-err_avdd_0v9:
+
return ret;
}
@@ -667,10 +646,6 @@ static void dw_hdmi_rockchip_unbind(struct device *dev, struct device *master,
dw_hdmi_unbind(hdmi->hdmi);
drm_encoder_cleanup(&hdmi->encoder.encoder);
- clk_disable_unprepare(hdmi->ref_clk);
-
- regulator_disable(hdmi->avdd_1v8);
- regulator_disable(hdmi->avdd_0v9);
}
static const struct component_ops dw_hdmi_rockchip_ops = {