diff options
Diffstat (limited to 'drivers/gpu/drm/meson/meson_encoder_hdmi.c')
| -rw-r--r-- | drivers/gpu/drm/meson/meson_encoder_hdmi.c | 87 |
1 files changed, 54 insertions, 33 deletions
diff --git a/drivers/gpu/drm/meson/meson_encoder_hdmi.c b/drivers/gpu/drm/meson/meson_encoder_hdmi.c index 53231bfdf7e2..8205ee56a691 100644 --- a/drivers/gpu/drm/meson/meson_encoder_hdmi.c +++ b/drivers/gpu/drm/meson/meson_encoder_hdmi.c @@ -9,8 +9,10 @@ #include <linux/component.h> #include <linux/kernel.h> #include <linux/module.h> -#include <linux/of_device.h> +#include <linux/of.h> #include <linux/of_graph.h> +#include <linux/of_platform.h> +#include <linux/platform_device.h> #include <linux/regulator/consumer.h> #include <linux/reset.h> @@ -47,11 +49,12 @@ struct meson_encoder_hdmi { container_of(x, struct meson_encoder_hdmi, bridge) static int meson_encoder_hdmi_attach(struct drm_bridge *bridge, + struct drm_encoder *encoder, enum drm_bridge_attach_flags flags) { struct meson_encoder_hdmi *encoder_hdmi = bridge_to_meson_encoder_hdmi(bridge); - return drm_bridge_attach(bridge->encoder, encoder_hdmi->next_bridge, + return drm_bridge_attach(encoder, encoder_hdmi->next_bridge, &encoder_hdmi->bridge, flags); } @@ -68,12 +71,12 @@ static void meson_encoder_hdmi_set_vclk(struct meson_encoder_hdmi *encoder_hdmi, { struct meson_drm *priv = encoder_hdmi->priv; int vic = drm_match_cea_mode(mode); - unsigned int phy_freq; - unsigned int vclk_freq; - unsigned int venc_freq; - unsigned int hdmi_freq; + unsigned long long phy_freq; + unsigned long long vclk_freq; + unsigned long long venc_freq; + unsigned long long hdmi_freq; - vclk_freq = mode->clock; + vclk_freq = mode->clock * 1000ULL; /* For 420, pixel clock is half unlike venc clock */ if (encoder_hdmi->output_bus_fmt == MEDIA_BUS_FMT_UYYVYY8_0_5X24) @@ -105,7 +108,8 @@ static void meson_encoder_hdmi_set_vclk(struct meson_encoder_hdmi *encoder_hdmi, if (mode->flags & DRM_MODE_FLAG_DBLCLK) venc_freq /= 2; - dev_dbg(priv->dev, "vclk:%d phy=%d venc=%d hdmi=%d enci=%d\n", + dev_dbg(priv->dev, + "phy:%lluHz vclk=%lluHz venc=%lluHz hdmi=%lluHz enci=%d\n", phy_freq, vclk_freq, venc_freq, hdmi_freq, priv->venc.hdmi_use_enci); @@ -120,10 +124,11 @@ static enum drm_mode_status meson_encoder_hdmi_mode_valid(struct drm_bridge *bri struct meson_encoder_hdmi *encoder_hdmi = bridge_to_meson_encoder_hdmi(bridge); struct meson_drm *priv = encoder_hdmi->priv; bool is_hdmi2_sink = display_info->hdmi.scdc.supported; - unsigned int phy_freq; - unsigned int vclk_freq; - unsigned int venc_freq; - unsigned int hdmi_freq; + unsigned long long clock = mode->clock * 1000ULL; + unsigned long long phy_freq; + unsigned long long vclk_freq; + unsigned long long venc_freq; + unsigned long long hdmi_freq; int vic = drm_match_cea_mode(mode); enum drm_mode_status status; @@ -142,12 +147,12 @@ static enum drm_mode_status meson_encoder_hdmi_mode_valid(struct drm_bridge *bri if (status != MODE_OK) return status; - return meson_vclk_dmt_supported_freq(priv, mode->clock); + return meson_vclk_dmt_supported_freq(priv, clock); /* Check against supported VIC modes */ } else if (!meson_venc_hdmi_supported_vic(vic)) return MODE_BAD; - vclk_freq = mode->clock; + vclk_freq = clock; /* For 420, pixel clock is half unlike venc clock */ if (drm_mode_is_420_only(display_info, mode) || @@ -177,17 +182,17 @@ static enum drm_mode_status meson_encoder_hdmi_mode_valid(struct drm_bridge *bri if (mode->flags & DRM_MODE_FLAG_DBLCLK) venc_freq /= 2; - dev_dbg(priv->dev, "%s: vclk:%d phy=%d venc=%d hdmi=%d\n", + dev_dbg(priv->dev, + "%s: vclk:%lluHz phy=%lluHz venc=%lluHz hdmi=%lluHz\n", __func__, phy_freq, vclk_freq, venc_freq, hdmi_freq); return meson_vclk_vic_supported_freq(priv, phy_freq, vclk_freq); } static void meson_encoder_hdmi_atomic_enable(struct drm_bridge *bridge, - struct drm_bridge_state *bridge_state) + struct drm_atomic_state *state) { struct meson_encoder_hdmi *encoder_hdmi = bridge_to_meson_encoder_hdmi(bridge); - struct drm_atomic_state *state = bridge_state->base.state; unsigned int ycrcb_map = VPU_HDMI_OUTPUT_CBYCR; struct meson_drm *priv = encoder_hdmi->priv; struct drm_connector_state *conn_state; @@ -248,7 +253,7 @@ static void meson_encoder_hdmi_atomic_enable(struct drm_bridge *bridge, } static void meson_encoder_hdmi_atomic_disable(struct drm_bridge *bridge, - struct drm_bridge_state *bridge_state) + struct drm_atomic_state *state) { struct meson_encoder_hdmi *encoder_hdmi = bridge_to_meson_encoder_hdmi(bridge); struct meson_drm *priv = encoder_hdmi->priv; @@ -321,17 +326,31 @@ static void meson_encoder_hdmi_hpd_notify(struct drm_bridge *bridge, enum drm_connector_status status) { struct meson_encoder_hdmi *encoder_hdmi = bridge_to_meson_encoder_hdmi(bridge); - struct edid *edid; if (!encoder_hdmi->cec_notifier) return; if (status == connector_status_connected) { - edid = drm_bridge_get_edid(encoder_hdmi->next_bridge, encoder_hdmi->connector); - if (!edid) + const struct drm_edid *drm_edid; + const struct edid *edid; + + drm_edid = drm_bridge_edid_read(encoder_hdmi->next_bridge, + encoder_hdmi->connector); + if (!drm_edid) return; + /* + * FIXME: The CEC physical address should be set using + * cec_notifier_set_phys_addr(encoder_hdmi->cec_notifier, + * connector->display_info.source_physical_address) from a path + * that has read the EDID and called + * drm_edid_connector_update(). + */ + edid = drm_edid_raw(drm_edid); + cec_notifier_set_phys_addr_from_edid(encoder_hdmi->cec_notifier, edid); + + drm_edid_free(drm_edid); } else cec_notifier_phys_addr_invalidate(encoder_hdmi->cec_notifier); } @@ -350,16 +369,19 @@ static const struct drm_bridge_funcs meson_encoder_hdmi_bridge_funcs = { .atomic_reset = drm_atomic_helper_bridge_reset, }; -int meson_encoder_hdmi_init(struct meson_drm *priv) +int meson_encoder_hdmi_probe(struct meson_drm *priv) { struct meson_encoder_hdmi *meson_encoder_hdmi; struct platform_device *pdev; struct device_node *remote; int ret; - meson_encoder_hdmi = devm_kzalloc(priv->dev, sizeof(*meson_encoder_hdmi), GFP_KERNEL); - if (!meson_encoder_hdmi) - return -ENOMEM; + meson_encoder_hdmi = devm_drm_bridge_alloc(priv->dev, + struct meson_encoder_hdmi, + bridge, + &meson_encoder_hdmi_bridge_funcs); + if (IS_ERR(meson_encoder_hdmi)) + return PTR_ERR(meson_encoder_hdmi); /* HDMI Transceiver Bridge */ remote = of_graph_get_remote_node(priv->dev->of_node, 1, 0); @@ -370,13 +392,12 @@ int meson_encoder_hdmi_init(struct meson_drm *priv) meson_encoder_hdmi->next_bridge = of_drm_find_bridge(remote); if (!meson_encoder_hdmi->next_bridge) { - dev_err(priv->dev, "Failed to find HDMI transceiver bridge\n"); - ret = -EPROBE_DEFER; + ret = dev_err_probe(priv->dev, -EPROBE_DEFER, + "Failed to find HDMI transceiver bridge\n"); goto err_put_node; } /* HDMI Encoder Bridge */ - meson_encoder_hdmi->bridge.funcs = &meson_encoder_hdmi_bridge_funcs; meson_encoder_hdmi->bridge.of_node = priv->dev->of_node; meson_encoder_hdmi->bridge.type = DRM_MODE_CONNECTOR_HDMIA; meson_encoder_hdmi->bridge.interlace_allowed = true; @@ -389,7 +410,7 @@ int meson_encoder_hdmi_init(struct meson_drm *priv) ret = drm_simple_encoder_init(priv->drm, &meson_encoder_hdmi->encoder, DRM_MODE_ENCODER_TMDS); if (ret) { - dev_err(priv->dev, "Failed to init HDMI encoder: %d\n", ret); + dev_err_probe(priv->dev, ret, "Failed to init HDMI encoder\n"); goto err_put_node; } @@ -399,7 +420,7 @@ int meson_encoder_hdmi_init(struct meson_drm *priv) ret = drm_bridge_attach(&meson_encoder_hdmi->encoder, &meson_encoder_hdmi->bridge, NULL, DRM_BRIDGE_ATTACH_NO_CONNECTOR); if (ret) { - dev_err(priv->dev, "Failed to attach bridge: %d\n", ret); + dev_err_probe(priv->dev, ret, "Failed to attach bridge\n"); goto err_put_node; } @@ -407,8 +428,9 @@ int meson_encoder_hdmi_init(struct meson_drm *priv) meson_encoder_hdmi->connector = drm_bridge_connector_init(priv->drm, &meson_encoder_hdmi->encoder); if (IS_ERR(meson_encoder_hdmi->connector)) { - dev_err(priv->dev, "Unable to create HDMI bridge connector\n"); - ret = PTR_ERR(meson_encoder_hdmi->connector); + ret = dev_err_probe(priv->dev, + PTR_ERR(meson_encoder_hdmi->connector), + "Unable to create HDMI bridge connector\n"); goto err_put_node; } drm_connector_attach_encoder(meson_encoder_hdmi->connector, @@ -470,6 +492,5 @@ void meson_encoder_hdmi_remove(struct meson_drm *priv) if (priv->encoders[MESON_ENC_HDMI]) { meson_encoder_hdmi = priv->encoders[MESON_ENC_HDMI]; drm_bridge_remove(&meson_encoder_hdmi->bridge); - drm_bridge_remove(meson_encoder_hdmi->next_bridge); } } |
