Am 17.03.21 um 16:43 schrieb Maxime Ripard:
In order to support a YUV output, we're going to need to have access to
the bridge state in the vc4_hdmi_set_avi_infoframe function. Since we
also need the connector state in that function, let's pass the full
atomic state.

While we're at it, since all those functions actually need the vc4_hdmi
structure, let's pass it instead of the drm_encoder.

Signed-off-by: Maxime Ripard <max...@cerno.tech>

Acked-by: Thomas Zimmermann <tzimmerm...@suse.de>

---
  drivers/gpu/drm/vc4/vc4_hdmi.c | 38 ++++++++++++++++------------------
  1 file changed, 18 insertions(+), 20 deletions(-)

diff --git a/drivers/gpu/drm/vc4/vc4_hdmi.c b/drivers/gpu/drm/vc4/vc4_hdmi.c
index 56b5654c820f..83e44cf44d65 100644
--- a/drivers/gpu/drm/vc4/vc4_hdmi.c
+++ b/drivers/gpu/drm/vc4/vc4_hdmi.c
@@ -330,10 +330,10 @@ static int vc4_hdmi_stop_packet(struct drm_encoder 
*encoder,
                          BIT(packet_id)), 100);
  }
-static void vc4_hdmi_write_infoframe(struct drm_encoder *encoder,
+static void vc4_hdmi_write_infoframe(struct vc4_hdmi *vc4_hdmi,
                                     union hdmi_infoframe *frame)
  {
-       struct vc4_hdmi *vc4_hdmi = encoder_to_vc4_hdmi(encoder);
+       struct drm_encoder *encoder = &vc4_hdmi->encoder.base.base;
        u32 packet_id = frame->any.type - 0x80;
        const struct vc4_hdmi_register *ram_packet_start =
                &vc4_hdmi->variant->registers[HDMI_RAM_PACKET_START];
@@ -381,11 +381,13 @@ static void vc4_hdmi_write_infoframe(struct drm_encoder 
*encoder,
                DRM_ERROR("Failed to wait for infoframe to start: %d\n", ret);
  }
-static void vc4_hdmi_set_avi_infoframe(struct drm_encoder *encoder)
+static void vc4_hdmi_set_avi_infoframe(struct vc4_hdmi *vc4_hdmi,
+                                      struct drm_atomic_state *state)
  {
-       struct vc4_hdmi *vc4_hdmi = encoder_to_vc4_hdmi(encoder);
+       struct drm_encoder *encoder = &vc4_hdmi->encoder.base.base;
        struct drm_connector *connector = &vc4_hdmi->connector;
-       struct drm_connector_state *cstate = connector->state;
+       struct drm_connector_state *cstate =
+               drm_atomic_get_new_connector_state(state, connector);
        struct drm_crtc *crtc = encoder->crtc;
        const struct drm_display_mode *mode = &crtc->state->adjusted_mode;
        union hdmi_infoframe frame;
@@ -406,10 +408,10 @@ static void vc4_hdmi_set_avi_infoframe(struct drm_encoder 
*encoder)
drm_hdmi_avi_infoframe_bars(&frame.avi, cstate); - vc4_hdmi_write_infoframe(encoder, &frame);
+       vc4_hdmi_write_infoframe(vc4_hdmi, &frame);
  }
-static void vc4_hdmi_set_spd_infoframe(struct drm_encoder *encoder)
+static void vc4_hdmi_set_spd_infoframe(struct vc4_hdmi *vc4_hdmi)
  {
        union hdmi_infoframe frame;
        int ret;
@@ -422,12 +424,11 @@ static void vc4_hdmi_set_spd_infoframe(struct drm_encoder 
*encoder)
frame.spd.sdi = HDMI_SPD_SDI_PC; - vc4_hdmi_write_infoframe(encoder, &frame);
+       vc4_hdmi_write_infoframe(vc4_hdmi, &frame);
  }
-static void vc4_hdmi_set_audio_infoframe(struct drm_encoder *encoder)
+static void vc4_hdmi_set_audio_infoframe(struct vc4_hdmi *vc4_hdmi)
  {
-       struct vc4_hdmi *vc4_hdmi = encoder_to_vc4_hdmi(encoder);
        union hdmi_infoframe frame;
hdmi_audio_infoframe_init(&frame.audio);
@@ -437,21 +438,19 @@ static void vc4_hdmi_set_audio_infoframe(struct 
drm_encoder *encoder)
        frame.audio.sample_size = HDMI_AUDIO_SAMPLE_SIZE_STREAM;
        frame.audio.channels = vc4_hdmi->audio.channels;
- vc4_hdmi_write_infoframe(encoder, &frame);
+       vc4_hdmi_write_infoframe(vc4_hdmi, &frame);
  }
-static void vc4_hdmi_set_infoframes(struct drm_encoder *encoder)
+static void vc4_hdmi_set_infoframes(struct vc4_hdmi *vc4_hdmi, struct 
drm_atomic_state *state)
  {
-       struct vc4_hdmi *vc4_hdmi = encoder_to_vc4_hdmi(encoder);
-
-       vc4_hdmi_set_avi_infoframe(encoder);
-       vc4_hdmi_set_spd_infoframe(encoder);
+       vc4_hdmi_set_avi_infoframe(vc4_hdmi, state);
+       vc4_hdmi_set_spd_infoframe(vc4_hdmi);
        /*
         * If audio was streaming, then we need to reenabled the audio
         * infoframe here during encoder_enable.
         */
        if (vc4_hdmi->audio.streaming)
-               vc4_hdmi_set_audio_infoframe(encoder);
+               vc4_hdmi_set_audio_infoframe(vc4_hdmi);
  }
static void vc4_hdmi_bridge_post_crtc_disable(struct drm_bridge *bridge, @@ -921,7 +920,7 @@ static void vc4_hdmi_bridge_post_crtc_enable(struct
drm_bridge *bridge,
                HDMI_WRITE(HDMI_RAM_PACKET_CONFIG,
                           VC4_HDMI_RAM_PACKET_ENABLE);
- vc4_hdmi_set_infoframes(encoder);
+               vc4_hdmi_set_infoframes(vc4_hdmi, state);
        }
vc4_hdmi_recenter_fifo(vc4_hdmi);
@@ -1184,7 +1183,6 @@ static int vc4_hdmi_audio_hw_params(struct 
snd_pcm_substream *substream,
                                    struct snd_soc_dai *dai)
  {
        struct vc4_hdmi *vc4_hdmi = dai_to_hdmi(dai);
-       struct drm_encoder *encoder = &vc4_hdmi->encoder.base.base;
        struct device *dev = &vc4_hdmi->pdev->dev;
        u32 audio_packet_config, channel_mask;
        u32 channel_map;
@@ -1244,7 +1242,7 @@ static int vc4_hdmi_audio_hw_params(struct 
snd_pcm_substream *substream,
        HDMI_WRITE(HDMI_AUDIO_PACKET_CONFIG, audio_packet_config);
        vc4_hdmi_set_n_cts(vc4_hdmi);
- vc4_hdmi_set_audio_infoframe(encoder);
+       vc4_hdmi_set_audio_infoframe(vc4_hdmi);
return 0;
  }


--
Thomas Zimmermann
Graphics Driver Developer
SUSE Software Solutions Germany GmbH
Maxfeldstr. 5, 90409 Nürnberg, Germany
(HRB 36809, AG Nürnberg)
Geschäftsführer: Felix Imendörffer

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