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-rw-r--r--drivers/gpu/drm/meson/meson_dw_hdmi.c43
1 files changed, 26 insertions, 17 deletions
diff --git a/drivers/gpu/drm/meson/meson_dw_hdmi.c b/drivers/gpu/drm/meson/meson_dw_hdmi.c
index a83d93078537..5565f7777529 100644
--- a/drivers/gpu/drm/meson/meson_dw_hdmi.c
+++ b/drivers/gpu/drm/meson/meson_dw_hdmi.c
@@ -106,6 +106,8 @@
#define HHI_HDMI_CLK_CNTL 0x1cc /* 0x73 */
#define HHI_HDMI_PHY_CNTL0 0x3a0 /* 0xe8 */
#define HHI_HDMI_PHY_CNTL1 0x3a4 /* 0xe9 */
+#define PHY_CNTL1_INIT 0x03900000
+#define PHY_INVERT BIT(17)
#define HHI_HDMI_PHY_CNTL2 0x3a8 /* 0xea */
#define HHI_HDMI_PHY_CNTL3 0x3ac /* 0xeb */
#define HHI_HDMI_PHY_CNTL4 0x3b0 /* 0xec */
@@ -130,6 +132,8 @@ struct meson_dw_hdmi_data {
unsigned int addr);
void (*dwc_write)(struct meson_dw_hdmi *dw_hdmi,
unsigned int addr, unsigned int data);
+ u32 cntl0_init;
+ u32 cntl1_init;
};
struct meson_dw_hdmi {
@@ -458,7 +462,9 @@ static void dw_hdmi_phy_disable(struct dw_hdmi *hdmi,
DRM_DEBUG_DRIVER("\n");
- regmap_write(priv->hhi, HHI_HDMI_PHY_CNTL0, 0);
+ /* Fallback to init mode */
+ regmap_write(priv->hhi, HHI_HDMI_PHY_CNTL1, dw_hdmi->data->cntl1_init);
+ regmap_write(priv->hhi, HHI_HDMI_PHY_CNTL0, dw_hdmi->data->cntl0_init);
}
static enum drm_connector_status dw_hdmi_read_hpd(struct dw_hdmi *hdmi,
@@ -576,11 +582,22 @@ static const struct regmap_config meson_dw_hdmi_regmap_config = {
.fast_io = true,
};
-static const struct meson_dw_hdmi_data meson_dw_hdmi_gx_data = {
+static const struct meson_dw_hdmi_data meson_dw_hdmi_gxbb_data = {
.top_read = dw_hdmi_top_read,
.top_write = dw_hdmi_top_write,
.dwc_read = dw_hdmi_dwc_read,
.dwc_write = dw_hdmi_dwc_write,
+ .cntl0_init = 0x0,
+ .cntl1_init = PHY_CNTL1_INIT | PHY_INVERT,
+};
+
+static const struct meson_dw_hdmi_data meson_dw_hdmi_gxl_data = {
+ .top_read = dw_hdmi_top_read,
+ .top_write = dw_hdmi_top_write,
+ .dwc_read = dw_hdmi_dwc_read,
+ .dwc_write = dw_hdmi_dwc_write,
+ .cntl0_init = 0x0,
+ .cntl1_init = PHY_CNTL1_INIT,
};
static const struct meson_dw_hdmi_data meson_dw_hdmi_g12a_data = {
@@ -588,6 +605,8 @@ static const struct meson_dw_hdmi_data meson_dw_hdmi_g12a_data = {
.top_write = dw_hdmi_g12a_top_write,
.dwc_read = dw_hdmi_g12a_dwc_read,
.dwc_write = dw_hdmi_g12a_dwc_write,
+ .cntl0_init = 0x000b4242, /* Bandgap */
+ .cntl1_init = PHY_CNTL1_INIT,
};
static void meson_dw_hdmi_init(struct meson_dw_hdmi *meson_dw_hdmi)
@@ -626,18 +645,8 @@ static void meson_dw_hdmi_init(struct meson_dw_hdmi *meson_dw_hdmi)
meson_dw_hdmi->data->top_write(meson_dw_hdmi, HDMITX_TOP_BIST_CNTL, BIT(12));
/* Setup PHY */
- regmap_update_bits(priv->hhi, HHI_HDMI_PHY_CNTL1,
- 0xffff << 16, 0x0390 << 16);
-
- /* BIT_INVERT */
- if (dw_hdmi_is_compatible(meson_dw_hdmi, "amlogic,meson-gxl-dw-hdmi") ||
- dw_hdmi_is_compatible(meson_dw_hdmi, "amlogic,meson-gxm-dw-hdmi") ||
- dw_hdmi_is_compatible(meson_dw_hdmi, "amlogic,meson-g12a-dw-hdmi"))
- regmap_update_bits(priv->hhi, HHI_HDMI_PHY_CNTL1,
- BIT(17), 0);
- else
- regmap_update_bits(priv->hhi, HHI_HDMI_PHY_CNTL1,
- BIT(17), BIT(17));
+ regmap_write(priv->hhi, HHI_HDMI_PHY_CNTL1, meson_dw_hdmi->data->cntl1_init);
+ regmap_write(priv->hhi, HHI_HDMI_PHY_CNTL0, meson_dw_hdmi->data->cntl0_init);
/* Enable HDMI-TX Interrupt */
meson_dw_hdmi->data->top_write(meson_dw_hdmi, HDMITX_TOP_INTR_STAT_CLR,
@@ -848,11 +857,11 @@ static const struct dev_pm_ops meson_dw_hdmi_pm_ops = {
static const struct of_device_id meson_dw_hdmi_of_table[] = {
{ .compatible = "amlogic,meson-gxbb-dw-hdmi",
- .data = &meson_dw_hdmi_gx_data },
+ .data = &meson_dw_hdmi_gxbb_data },
{ .compatible = "amlogic,meson-gxl-dw-hdmi",
- .data = &meson_dw_hdmi_gx_data },
+ .data = &meson_dw_hdmi_gxl_data },
{ .compatible = "amlogic,meson-gxm-dw-hdmi",
- .data = &meson_dw_hdmi_gx_data },
+ .data = &meson_dw_hdmi_gxl_data },
{ .compatible = "amlogic,meson-g12a-dw-hdmi",
.data = &meson_dw_hdmi_g12a_data },
{ }