diff options
| -rw-r--r-- | drivers/gpu/drm/meson/meson_dw_hdmi.c | 91 |
1 files changed, 70 insertions, 21 deletions
diff --git a/drivers/gpu/drm/meson/meson_dw_hdmi.c b/drivers/gpu/drm/meson/meson_dw_hdmi.c index b5b0d45eb314..e8c94915a4fc 100644 --- a/drivers/gpu/drm/meson/meson_dw_hdmi.c +++ b/drivers/gpu/drm/meson/meson_dw_hdmi.c @@ -150,6 +150,7 @@ struct meson_dw_hdmi { struct regulator *hdmi_supply; u32 irq_stat; struct dw_hdmi *hdmi; + unsigned long output_bus_fmt; }; #define encoder_to_meson_dw_hdmi(x) \ container_of(x, struct meson_dw_hdmi, encoder) @@ -301,6 +302,10 @@ static void meson_hdmi_phy_setup_mode(struct meson_dw_hdmi *dw_hdmi, struct meson_drm *priv = dw_hdmi->priv; unsigned int pixel_clock = mode->clock; + /* For 420, pixel clock is half unlike venc clock */ + if (dw_hdmi->output_bus_fmt == MEDIA_BUS_FMT_UYYVYY8_0_5X24) + pixel_clock /= 2; + if (dw_hdmi_is_compatible(dw_hdmi, "amlogic,meson-gxl-dw-hdmi") || dw_hdmi_is_compatible(dw_hdmi, "amlogic,meson-gxm-dw-hdmi")) { if (pixel_clock >= 371250) { @@ -383,6 +388,10 @@ static void dw_hdmi_set_vclk(struct meson_dw_hdmi *dw_hdmi, vclk_freq = mode->clock; + /* For 420, pixel clock is half unlike venc clock */ + if (dw_hdmi->output_bus_fmt == MEDIA_BUS_FMT_UYYVYY8_0_5X24) + vclk_freq /= 2; + /* TMDS clock is pixel_clock * 10 */ phy_freq = vclk_freq * 10; @@ -392,13 +401,16 @@ static void dw_hdmi_set_vclk(struct meson_dw_hdmi *dw_hdmi, return; } + /* 480i/576i needs global pixel doubling */ if (mode->flags & DRM_MODE_FLAG_DBLCLK) vclk_freq *= 2; venc_freq = vclk_freq; hdmi_freq = vclk_freq; - if (meson_venc_hdmi_venc_repeat(vic)) + /* VENC double pixels for 1080i, 720p and YUV420 modes */ + if (meson_venc_hdmi_venc_repeat(vic) || + dw_hdmi->output_bus_fmt == MEDIA_BUS_FMT_UYYVYY8_0_5X24) venc_freq *= 2; vclk_freq = max(venc_freq, hdmi_freq); @@ -445,8 +457,9 @@ static int dw_hdmi_phy_init(struct dw_hdmi *hdmi, void *data, /* Enable normal output to PHY */ dw_hdmi->data->top_write(dw_hdmi, HDMITX_TOP_BIST_CNTL, BIT(12)); - /* TMDS pattern setup (TOFIX Handle the YUV420 case) */ - if (mode->clock > 340000) { + /* TMDS pattern setup */ + if (mode->clock > 340000 && + dw_hdmi->output_bus_fmt == MEDIA_BUS_FMT_YUV8_1X24) { dw_hdmi->data->top_write(dw_hdmi, HDMITX_TOP_TMDS_CLK_PTTN_01, 0); dw_hdmi->data->top_write(dw_hdmi, HDMITX_TOP_TMDS_CLK_PTTN_23, @@ -621,6 +634,7 @@ dw_hdmi_mode_valid(struct drm_connector *connector, const struct drm_display_mode *mode) { struct meson_drm *priv = connector->dev->dev_private; + bool is_hdmi2_sink = connector->display_info.hdmi.scdc.supported; unsigned int phy_freq; unsigned int vclk_freq; unsigned int venc_freq; @@ -630,9 +644,11 @@ dw_hdmi_mode_valid(struct drm_connector *connector, DRM_DEBUG_DRIVER("Modeline " DRM_MODE_FMT "\n", DRM_MODE_ARG(mode)); - /* If sink max TMDS clock, we reject the mode */ + /* If sink does not support 540MHz, reject the non-420 HDMI2 modes */ if (connector->display_info.max_tmds_clock && - mode->clock > connector->display_info.max_tmds_clock) + mode->clock > connector->display_info.max_tmds_clock && + !drm_mode_is_420_only(&connector->display_info, mode) && + !drm_mode_is_420_also(&connector->display_info, mode)) return MODE_BAD; /* Check against non-VIC supported modes */ @@ -648,6 +664,12 @@ dw_hdmi_mode_valid(struct drm_connector *connector, vclk_freq = mode->clock; + /* For 420, pixel clock is half unlike venc clock */ + if (drm_mode_is_420_only(&connector->display_info, mode) || + (!is_hdmi2_sink && + drm_mode_is_420_also(&connector->display_info, mode))) + vclk_freq /= 2; + /* TMDS clock is pixel_clock * 10 */ phy_freq = vclk_freq * 10; @@ -658,8 +680,11 @@ dw_hdmi_mode_valid(struct drm_connector *connector, venc_freq = vclk_freq; hdmi_freq = vclk_freq; - /* VENC double pixels for 1080i and 720p modes */ - if (meson_venc_hdmi_venc_repeat(vic)) + /* VENC double pixels for 1080i, 720p and YUV420 modes */ + if (meson_venc_hdmi_venc_repeat(vic) || + drm_mode_is_420_only(&connector->display_info, mode) || + (!is_hdmi2_sink && + drm_mode_is_420_also(&connector->display_info, mode))) venc_freq *= 2; vclk_freq = max(venc_freq, hdmi_freq); @@ -677,6 +702,7 @@ dw_hdmi_mode_valid(struct drm_connector *connector, static const u32 meson_dw_hdmi_out_bus_fmts[] = { MEDIA_BUS_FMT_YUV8_1X24, + MEDIA_BUS_FMT_UYYVYY8_0_5X24, }; static void meson_venc_hdmi_encoder_destroy(struct drm_encoder *encoder) @@ -697,18 +723,23 @@ meson_venc_hdmi_encoder_get_inp_bus_fmts(struct drm_bridge *bridge, unsigned int *num_input_fmts) { u32 *input_fmts = NULL; + int i; - if (output_fmt == meson_dw_hdmi_out_bus_fmts[0]) { - *num_input_fmts = 1; - input_fmts = kcalloc(*num_input_fmts, - sizeof(*input_fmts), - GFP_KERNEL); - if (!input_fmts) - return NULL; + *num_input_fmts = 0; - input_fmts[0] = output_fmt; - } else { - *num_input_fmts = 0; + for (i = 0 ; i < ARRAY_SIZE(meson_dw_hdmi_out_bus_fmts) ; ++i) { + if (output_fmt == meson_dw_hdmi_out_bus_fmts[i]) { + *num_input_fmts = 1; + input_fmts = kcalloc(*num_input_fmts, + sizeof(*input_fmts), + GFP_KERNEL); + if (!input_fmts) + return NULL; + + input_fmts[0] = output_fmt; + + break; + } } return input_fmts; @@ -719,6 +750,12 @@ static int meson_venc_hdmi_encoder_atomic_check(struct drm_bridge *bridge, struct drm_crtc_state *crtc_state, struct drm_connector_state *conn_state) { + struct meson_dw_hdmi *dw_hdmi = bridge_to_meson_dw_hdmi(bridge); + + dw_hdmi->output_bus_fmt = bridge_state->output_bus_cfg.format; + + DRM_DEBUG_DRIVER("output_bus_fmt %lx\n", dw_hdmi->output_bus_fmt); + return 0; } @@ -756,18 +793,29 @@ static void meson_venc_hdmi_encoder_mode_set(struct drm_bridge *bridge, struct meson_dw_hdmi *dw_hdmi = bridge_to_meson_dw_hdmi(bridge); struct meson_drm *priv = dw_hdmi->priv; int vic = drm_match_cea_mode(mode); + unsigned int ycrcb_map = VPU_HDMI_OUTPUT_CBYCR; + bool yuv420_mode = false; DRM_DEBUG_DRIVER("\"%s\" vic %d\n", mode->name, vic); + if (dw_hdmi->output_bus_fmt == MEDIA_BUS_FMT_UYYVYY8_0_5X24) { + ycrcb_map = VPU_HDMI_OUTPUT_CRYCB; + yuv420_mode = true; + } + /* VENC + VENC-DVI Mode setup */ - meson_venc_hdmi_mode_set(priv, vic, ycrcb_map, false, - VPU_HDMI_OUTPUT_CBYCR); + meson_venc_hdmi_mode_set(priv, vic, ycrcb_map, yuv420_mode, mode); /* VCLK Set clock */ dw_hdmi_set_vclk(dw_hdmi, mode); - /* Setup YUV444 to HDMI-TX, no 10bit diphering */ - writel_relaxed(0, priv->io_base + _REG(VPU_HDMI_FMT_CTRL)); + if (dw_hdmi->output_bus_fmt == MEDIA_BUS_FMT_UYYVYY8_0_5X24) + /* Setup YUV420 to HDMI-TX, no 10bit diphering */ + writel_relaxed(2 | (2 << 2), + priv->io_base + _REG(VPU_HDMI_FMT_CTRL)); + else + /* Setup YUV444 to HDMI-TX, no 10bit diphering */ + writel_relaxed(0, priv->io_base + _REG(VPU_HDMI_FMT_CTRL)); } static const struct drm_bridge_funcs meson_venc_hdmi_encoder_bridge_funcs = { @@ -1024,6 +1072,7 @@ static int meson_dw_hdmi_bind(struct device *dev, struct device *master, dw_plat_data->phy_name = "meson_dw_hdmi_phy"; dw_plat_data->phy_data = meson_dw_hdmi; dw_plat_data->input_bus_encoding = V4L2_YCBCR_ENC_709; + dw_plat_data->ycbcr_420_allowed = true; 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") || |