Re: [PATCH 8/8] drm: bridge: dw_hdmi: Use display_info is_hdmi and has_audio

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On 11/06/2024 17:51, Jonas Karlman wrote:
drm_edid_connector_update() is being called from bridge connector ops
and from detect and get_modes ops for dw-hdmi connector.

Change to use is_hdmi and has_audio from display_info directly instead
of keeping our own state in sink_is_hdmi and sink_has_audio.

Also remove the old and unused edid struct member and related define.

Signed-off-by: Jonas Karlman <jonas@xxxxxxxxx>
---
  drivers/gpu/drm/bridge/synopsys/dw-hdmi.c | 32 ++++-------------------
  1 file changed, 5 insertions(+), 27 deletions(-)

diff --git a/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c b/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c
index a9c39584d31b..e162c2786178 100644
--- a/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c
+++ b/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c
@@ -43,8 +43,6 @@
  #define DDC_CI_ADDR		0x37
  #define DDC_SEGMENT_ADDR	0x30
-#define HDMI_EDID_LEN 512
-
  /* DW-HDMI Controller >= 0x200a are at least compliant with SCDC version 1 */
  #define SCDC_MIN_SOURCE_VERSION	0x1
@@ -148,8 +146,6 @@ struct dw_hdmi { int vic; - u8 edid[HDMI_EDID_LEN];
-
  	struct {
  		const struct dw_hdmi_phy_ops *ops;
  		const char *name;
@@ -159,8 +155,6 @@ struct dw_hdmi {
struct i2c_adapter *ddc;
  	void __iomem *regs;
-	bool sink_is_hdmi;
-	bool sink_has_audio;
struct pinctrl *pinctrl;
  	struct pinctrl_state *default_state;
@@ -2041,7 +2035,7 @@ static void hdmi_av_composer(struct dw_hdmi *hdmi,
  		HDMI_FC_INVIDCONF_IN_I_P_INTERLACED :
  		HDMI_FC_INVIDCONF_IN_I_P_PROGRESSIVE;
- inv_val |= hdmi->sink_is_hdmi ?
+	inv_val |= display->is_hdmi ?
  		HDMI_FC_INVIDCONF_DVI_MODEZ_HDMI_MODE :
  		HDMI_FC_INVIDCONF_DVI_MODEZ_DVI_MODE;
@@ -2275,7 +2269,7 @@ static int dw_hdmi_poweron(struct dw_hdmi *hdmi,
  	if (hdmi->hdmi_data.enc_out_bus_format == MEDIA_BUS_FMT_FIXED)
  		hdmi->hdmi_data.enc_out_bus_format = MEDIA_BUS_FMT_RGB888_1X24;
- hdmi->hdmi_data.rgb_limited_range = hdmi->sink_is_hdmi &&
+	hdmi->hdmi_data.rgb_limited_range = display->is_hdmi &&
  		drm_default_rgb_quant_range(mode) ==
  		HDMI_QUANTIZATION_RANGE_LIMITED;
@@ -2295,7 +2289,7 @@ static int dw_hdmi_poweron(struct dw_hdmi *hdmi,
  	/* HDMI Initialization Step B.3 */
  	dw_hdmi_enable_video_path(hdmi);
- if (hdmi->sink_has_audio) {
+	if (display->has_audio) {
  		dev_dbg(hdmi->dev, "sink has audio support\n");
/* HDMI Initialization Step E - Configure audio */
@@ -2304,7 +2298,7 @@ static int dw_hdmi_poweron(struct dw_hdmi *hdmi,
  	}
/* not for DVI mode */
-	if (hdmi->sink_is_hdmi) {
+	if (display->is_hdmi) {
  		dev_dbg(hdmi->dev, "%s HDMI mode\n", __func__);
/* HDMI Initialization Step F - Configure AVI InfoFrame */
@@ -2418,29 +2412,13 @@ static const struct drm_edid *dw_hdmi_edid_read(struct dw_hdmi *hdmi,
  						struct drm_connector *connector)
  {
  	const struct drm_edid *drm_edid;
-	const struct edid *edid;
if (!hdmi->ddc)
  		return NULL;
drm_edid = drm_edid_read_ddc(connector, hdmi->ddc);
-	if (!drm_edid) {
+	if (!drm_edid)
  		dev_dbg(hdmi->dev, "failed to get edid\n");
-		return NULL;
-	}
-
-	/*
-	 * FIXME: This should use connector->display_info.is_hdmi and
-	 * connector->display_info.has_audio from a path that has read the EDID
-	 * and called drm_edid_connector_update().
-	 */
-	edid = drm_edid_raw(drm_edid);
-
-	dev_dbg(hdmi->dev, "got edid: width[%d] x height[%d]\n",
-		edid->width_cm, edid->height_cm);
-
-	hdmi->sink_is_hdmi = drm_detect_hdmi_monitor(edid);
-	hdmi->sink_has_audio = drm_detect_monitor_audio(edid);
return drm_edid;
  }

Reviewed-by: Neil Armstrong <neil.armstrong@xxxxxxxxxx>



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