The new HDMI connector infrastructure allows to remove some boilerplate,
especially to generate infoframes. Let's switch to it.

Reviewed-by: Heiko Stuebner <he...@sntech.de>
Acked-by: Heiko Stuebner <he...@sntech.de>
Signed-off-by: Maxime Ripard <mrip...@kernel.org>
---
 drivers/gpu/drm/rockchip/inno_hdmi.c | 143 +++++++++++++----------------------
 1 file changed, 52 insertions(+), 91 deletions(-)

diff --git a/drivers/gpu/drm/rockchip/inno_hdmi.c 
b/drivers/gpu/drm/rockchip/inno_hdmi.c
index 1d2261643743..d59947679042 100644
--- a/drivers/gpu/drm/rockchip/inno_hdmi.c
+++ b/drivers/gpu/drm/rockchip/inno_hdmi.c
@@ -65,13 +65,11 @@ struct inno_hdmi {
        const struct inno_hdmi_variant *variant;
 };
 
 struct inno_hdmi_connector_state {
        struct drm_connector_state      base;
-       unsigned int                    enc_out_format;
        unsigned int                    colorimetry;
-       bool                            rgb_limited_range;
 };
 
 static struct inno_hdmi *encoder_to_inno_hdmi(struct drm_encoder *encoder)
 {
        struct rockchip_encoder *rkencoder = to_rockchip_encoder(encoder);
@@ -255,90 +253,53 @@ static void inno_hdmi_reset(struct inno_hdmi *hdmi)
        hdmi_modb(hdmi, HDMI_SYS_CTRL, msk, val);
 
        inno_hdmi_standby(hdmi);
 }
 
-static void inno_hdmi_disable_frame(struct inno_hdmi *hdmi,
-                                   enum hdmi_infoframe_type type)
+static int inno_hdmi_disable_frame(struct drm_connector *connector,
+                                  enum hdmi_infoframe_type type)
 {
-       struct drm_connector *connector = &hdmi->connector;
-
-       if (type != HDMI_INFOFRAME_TYPE_AVI) {
-               drm_err(connector->dev,
-                       "Unsupported infoframe type: %u\n", type);
-               return;
-       }
-
-       hdmi_writeb(hdmi, HDMI_CONTROL_PACKET_BUF_INDEX, INFOFRAME_AVI);
-}
-
-static int inno_hdmi_upload_frame(struct inno_hdmi *hdmi,
-                                 union hdmi_infoframe *frame, enum 
hdmi_infoframe_type type)
-{
-       struct drm_connector *connector = &hdmi->connector;
-       u8 packed_frame[HDMI_MAXIMUM_INFO_FRAME_SIZE];
-       ssize_t rc, i;
+       struct inno_hdmi *hdmi = connector_to_inno_hdmi(connector);
 
        if (type != HDMI_INFOFRAME_TYPE_AVI) {
                drm_err(connector->dev,
                        "Unsupported infoframe type: %u\n", type);
                return 0;
        }
 
-       inno_hdmi_disable_frame(hdmi, type);
+       hdmi_writeb(hdmi, HDMI_CONTROL_PACKET_BUF_INDEX, INFOFRAME_AVI);
 
-       rc = hdmi_infoframe_pack(frame, packed_frame,
-                                sizeof(packed_frame));
-       if (rc < 0)
-               return rc;
+       return 0;
+}
 
-       for (i = 0; i < rc; i++)
+static int inno_hdmi_upload_frame(struct drm_connector *connector,
+                                 enum hdmi_infoframe_type type,
+                                 const u8 *buffer, size_t len)
+{
+       struct inno_hdmi *hdmi = connector_to_inno_hdmi(connector);
+       u8 packed_frame[HDMI_MAXIMUM_INFO_FRAME_SIZE];
+       ssize_t i;
+
+       if (type != HDMI_INFOFRAME_TYPE_AVI) {
+               drm_err(connector->dev,
+                       "Unsupported infoframe type: %u\n", type);
+               return 0;
+       }
+
+       inno_hdmi_disable_frame(connector, type);
+
+       for (i = 0; i < len; i++)
                hdmi_writeb(hdmi, HDMI_CONTROL_PACKET_ADDR + i,
                            packed_frame[i]);
 
        return 0;
 }
 
-static int inno_hdmi_config_video_avi(struct inno_hdmi *hdmi,
-                                     struct drm_display_mode *mode)
-{
-       struct drm_connector *connector = &hdmi->connector;
-       struct drm_connector_state *conn_state = connector->state;
-       struct inno_hdmi_connector_state *inno_conn_state =
-                                       to_inno_hdmi_conn_state(conn_state);
-       union hdmi_infoframe frame;
-       int rc;
-
-       rc = drm_hdmi_avi_infoframe_from_display_mode(&frame.avi,
-                                                     &hdmi->connector,
-                                                     mode);
-       if (rc) {
-               inno_hdmi_disable_frame(hdmi, HDMI_INFOFRAME_TYPE_AVI);
-               return rc;
-       }
-
-       if (inno_conn_state->enc_out_format == HDMI_COLORSPACE_YUV444)
-               frame.avi.colorspace = HDMI_COLORSPACE_YUV444;
-       else if (inno_conn_state->enc_out_format == HDMI_COLORSPACE_YUV422)
-               frame.avi.colorspace = HDMI_COLORSPACE_YUV422;
-       else
-               frame.avi.colorspace = HDMI_COLORSPACE_RGB;
-
-       if (inno_conn_state->enc_out_format == HDMI_COLORSPACE_RGB) {
-               drm_hdmi_avi_infoframe_quant_range(&frame.avi,
-                                                  connector, mode,
-                                                  
inno_conn_state->rgb_limited_range ?
-                                                  
HDMI_QUANTIZATION_RANGE_LIMITED :
-                                                  
HDMI_QUANTIZATION_RANGE_FULL);
-       } else {
-               frame.avi.quantization_range = HDMI_QUANTIZATION_RANGE_DEFAULT;
-               frame.avi.ycc_quantization_range =
-                       HDMI_YCC_QUANTIZATION_RANGE_LIMITED;
-       }
-
-       return inno_hdmi_upload_frame(hdmi, &frame, HDMI_INFOFRAME_TYPE_AVI);
-}
+static const struct drm_connector_hdmi_funcs inno_hdmi_hdmi_connector_funcs = {
+       .clear_infoframe        = inno_hdmi_disable_frame,
+       .write_infoframe        = inno_hdmi_upload_frame,
+};
 
 static int inno_hdmi_config_video_csc(struct inno_hdmi *hdmi)
 {
        struct drm_connector *connector = &hdmi->connector;
        struct drm_connector_state *conn_state = connector->state;
@@ -359,12 +320,12 @@ static int inno_hdmi_config_video_csc(struct inno_hdmi 
*hdmi)
        value = v_VIDEO_INPUT_BITS(VIDEO_INPUT_8BITS) |
                v_VIDEO_OUTPUT_COLOR(0) |
                v_VIDEO_INPUT_CSP(0);
        hdmi_writeb(hdmi, HDMI_VIDEO_CONTRL2, value);
 
-       if (inno_conn_state->enc_out_format == HDMI_COLORSPACE_RGB) {
-               if (inno_conn_state->rgb_limited_range) {
+       if (conn_state->hdmi.output_format == HDMI_COLORSPACE_RGB) {
+               if (!conn_state->hdmi.is_full_range) {
                        csc_mode = CSC_RGB_0_255_TO_RGB_16_235_8BIT;
                        auto_csc = AUTO_CSC_DISABLE;
                        c0_c2_change = C0_C2_CHANGE_DISABLE;
                        csc_enable = v_CSC_ENABLE;
 
@@ -378,18 +339,18 @@ static int inno_hdmi_config_video_csc(struct inno_hdmi 
*hdmi)
                                  v_VIDEO_C0_C2_SWAP(C0_C2_CHANGE_DISABLE));
                        return 0;
                }
        } else {
                if (inno_conn_state->colorimetry == HDMI_COLORIMETRY_ITU_601) {
-                       if (inno_conn_state->enc_out_format == 
HDMI_COLORSPACE_YUV444) {
+                       if (conn_state->hdmi.output_format == 
HDMI_COLORSPACE_YUV444) {
                                csc_mode = CSC_RGB_0_255_TO_ITU601_16_235_8BIT;
                                auto_csc = AUTO_CSC_DISABLE;
                                c0_c2_change = C0_C2_CHANGE_DISABLE;
                                csc_enable = v_CSC_ENABLE;
                        }
                } else {
-                       if (inno_conn_state->enc_out_format == 
HDMI_COLORSPACE_YUV444) {
+                       if (conn_state->hdmi.output_format == 
HDMI_COLORSPACE_YUV444) {
                                csc_mode = CSC_RGB_0_255_TO_ITU709_16_235_8BIT;
                                auto_csc = AUTO_CSC_DISABLE;
                                c0_c2_change = C0_C2_CHANGE_DISABLE;
                                csc_enable = v_CSC_ENABLE;
                        }
@@ -460,14 +421,16 @@ static int inno_hdmi_config_video_timing(struct inno_hdmi 
*hdmi,
 
        return 0;
 }
 
 static int inno_hdmi_setup(struct inno_hdmi *hdmi,
-                          struct drm_display_mode *mode)
+                          struct drm_crtc_state *new_crtc_state,
+                          struct drm_connector_state *new_conn_state)
 {
-       struct drm_display_info *display = &hdmi->connector.display_info;
-       unsigned long mpixelclock = mode->clock * 1000;
+       struct drm_connector *connector = &hdmi->connector;
+       struct drm_display_info *display = &connector->display_info;
+       struct drm_display_mode *mode = &new_crtc_state->adjusted_mode;
 
        /* Mute video and audio output */
        hdmi_modb(hdmi, HDMI_AV_MUTE, m_AUDIO_MUTE | m_VIDEO_BLACK,
                  v_AUDIO_MUTE(1) | v_VIDEO_MUTE(1));
 
@@ -477,26 +440,26 @@ static int inno_hdmi_setup(struct inno_hdmi *hdmi,
 
        inno_hdmi_config_video_timing(hdmi, mode);
 
        inno_hdmi_config_video_csc(hdmi);
 
-       if (display->is_hdmi)
-               inno_hdmi_config_video_avi(hdmi, mode);
+       drm_atomic_helper_connector_hdmi_update_infoframes(connector,
+                                                          
new_conn_state->state);
 
        /*
         * When IP controller have configured to an accurate video
         * timing, then the TMDS clock source would be switched to
         * DCLK_LCDC, so we need to init the TMDS rate to mode pixel
         * clock rate, and reconfigure the DDC clock.
         */
-       inno_hdmi_i2c_init(hdmi, mpixelclock);
+       inno_hdmi_i2c_init(hdmi, new_conn_state->hdmi.tmds_char_rate);
 
        /* Unmute video and audio output */
        hdmi_modb(hdmi, HDMI_AV_MUTE, m_AUDIO_MUTE | m_VIDEO_BLACK,
                  v_AUDIO_MUTE(0) | v_VIDEO_MUTE(0));
 
-       inno_hdmi_power_up(hdmi, mpixelclock);
+       inno_hdmi_power_up(hdmi, new_conn_state->hdmi.tmds_char_rate);
 
        return 0;
 }
 
 static enum drm_mode_status inno_hdmi_display_mode_valid(struct inno_hdmi 
*hdmi,
@@ -544,11 +507,11 @@ static void inno_hdmi_encoder_enable(struct drm_encoder 
*encoder,
 
        crtc_state = drm_atomic_get_new_crtc_state(state, conn_state->crtc);
        if (WARN_ON(!crtc_state))
                return;
 
-       inno_hdmi_setup(hdmi, &crtc_state->adjusted_mode);
+       inno_hdmi_setup(hdmi, crtc_state, conn_state);
 }
 
 static void inno_hdmi_encoder_disable(struct drm_encoder *encoder,
                                      struct drm_atomic_state *state)
 {
@@ -561,11 +524,10 @@ static int
 inno_hdmi_encoder_atomic_check(struct drm_encoder *encoder,
                               struct drm_crtc_state *crtc_state,
                               struct drm_connector_state *conn_state)
 {
        struct rockchip_crtc_state *s = to_rockchip_crtc_state(crtc_state);
-       struct inno_hdmi *hdmi = encoder_to_inno_hdmi(encoder);
        struct drm_display_mode *mode = &crtc_state->adjusted_mode;
        u8 vic = drm_match_cea_mode(mode);
        struct inno_hdmi_connector_state *inno_conn_state =
                                        to_inno_hdmi_conn_state(conn_state);
 
@@ -578,16 +540,11 @@ inno_hdmi_encoder_atomic_check(struct drm_encoder 
*encoder,
            vic == 17 || vic == 18)
                inno_conn_state->colorimetry = HDMI_COLORIMETRY_ITU_601;
        else
                inno_conn_state->colorimetry = HDMI_COLORIMETRY_ITU_709;
 
-       inno_conn_state->enc_out_format = HDMI_COLORSPACE_RGB;
-       inno_conn_state->rgb_limited_range =
-               drm_default_rgb_quant_range(mode) == 
HDMI_QUANTIZATION_RANGE_LIMITED;
-
-       return  inno_hdmi_display_mode_valid(hdmi,
-                               &crtc_state->adjusted_mode) == MODE_OK ? 0 : 
-EINVAL;
+       return 0;
 }
 
 static struct drm_encoder_helper_funcs inno_hdmi_encoder_helper_funcs = {
        .atomic_check   = inno_hdmi_encoder_atomic_check,
        .atomic_enable  = inno_hdmi_encoder_enable,
@@ -660,14 +617,13 @@ static void inno_hdmi_connector_reset(struct 
drm_connector *connector)
        inno_conn_state = kzalloc(sizeof(*inno_conn_state), GFP_KERNEL);
        if (!inno_conn_state)
                return;
 
        __drm_atomic_helper_connector_reset(connector, &inno_conn_state->base);
+       __drm_atomic_helper_connector_hdmi_reset(connector, connector->state);
 
        inno_conn_state->colorimetry = HDMI_COLORIMETRY_ITU_709;
-       inno_conn_state->enc_out_format = HDMI_COLORSPACE_RGB;
-       inno_conn_state->rgb_limited_range = false;
 }
 
 static struct drm_connector_state *
 inno_hdmi_connector_duplicate_state(struct drm_connector *connector)
 {
@@ -696,10 +652,11 @@ static const struct drm_connector_funcs 
inno_hdmi_connector_funcs = {
        .atomic_duplicate_state = inno_hdmi_connector_duplicate_state,
        .atomic_destroy_state = inno_hdmi_connector_destroy_state,
 };
 
 static struct drm_connector_helper_funcs inno_hdmi_connector_helper_funcs = {
+       .atomic_check = drm_atomic_helper_connector_hdmi_check,
        .get_modes = inno_hdmi_connector_get_modes,
        .mode_valid = inno_hdmi_connector_mode_valid,
 };
 
 static int inno_hdmi_register(struct drm_device *drm, struct inno_hdmi *hdmi)
@@ -723,14 +680,18 @@ static int inno_hdmi_register(struct drm_device *drm, 
struct inno_hdmi *hdmi)
 
        hdmi->connector.polled = DRM_CONNECTOR_POLL_HPD;
 
        drm_connector_helper_add(&hdmi->connector,
                                 &inno_hdmi_connector_helper_funcs);
-       drm_connector_init_with_ddc(drm, &hdmi->connector,
-                                   &inno_hdmi_connector_funcs,
-                                   DRM_MODE_CONNECTOR_HDMIA,
-                                   hdmi->ddc);
+       drmm_connector_hdmi_init(drm, &hdmi->connector,
+                                "Rockchip", "Inno HDMI",
+                                &inno_hdmi_connector_funcs,
+                                &inno_hdmi_hdmi_connector_funcs,
+                                DRM_MODE_CONNECTOR_HDMIA,
+                                hdmi->ddc,
+                                BIT(HDMI_COLORSPACE_RGB),
+                                8);
 
        drm_connector_attach_encoder(&hdmi->connector, encoder);
 
        return 0;
 }

-- 
2.44.0

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