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drm/display: scdc-helper: Add macro for connector-prefixed debug messages

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Introduce the drm_scdc_dbg() wrapper over drm_dbg_kms() to help getting
rid of the boilerplate around prefixing the debug messages with the
connector information.

Acked-by: Maxime Ripard <mripard@kernel.org>
Tested-by: Maud Spierings <maud_spierings@hotmail.com>
Tested-by: Diederik de Haas <diederik@cknow-tech.com>  # NanoPC-T6 LTS, Rock 5B
Tested-by: Igor Paunovic <royalnet026@gmail.com> # RK3588 Orange Pi 5 Plus, dual HDMI
Tested-by: Robin Räber <robin.raebi@gmail.com>
Link: https://patch.msgid.link/20260901-dw-hdmi-qp-scramb-v11-8-bc12954a0688@collabora.com
Signed-off-by: Cristian Ciocaltea <cristian.ciocaltea@collabora.com>
This commit is contained in:
Cristian Ciocaltea 2026-09-01 21:50:32 +03:00
parent f27fb7e315
commit 62cdbd8d50
1 changed files with 9 additions and 15 deletions
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24
drivers/gpu/drm/display/drm_scdc_helper.c
View File

@ -58,6 +58,10 @@
#define SCDC_I2C_SLAVE_ADDRESS 0x54
#define drm_scdc_dbg(connector, fmt, ...) \
drm_dbg_kms((connector)->dev, "[CONNECTOR:%d:%s] " fmt, \
(connector)->base.id, (connector)->name, ##__VA_ARGS__)
static const char *drm_scdc_frl_rate_str(enum drm_scdc_frl_rate rate)
{
switch (rate) {
@ -193,9 +197,7 @@ bool drm_scdc_get_scrambling_status(struct drm_connector *connector)
ret = drm_scdc_readb(connector->ddc, SCDC_SCRAMBLER_STATUS, &status);
if (ret < 0) {
drm_dbg_kms(connector->dev,
"[CONNECTOR:%d:%s] Failed to read scrambling status: %d\n",
connector->base.id, connector->name, ret);
drm_scdc_dbg(connector, "Failed to read scrambling status: %d\n", ret);
return false;
}
@ -223,9 +225,7 @@ bool drm_scdc_set_scrambling(struct drm_connector *connector,
ret = drm_scdc_readb(connector->ddc, SCDC_TMDS_CONFIG, &config);
if (ret < 0) {
drm_dbg_kms(connector->dev,
"[CONNECTOR:%d:%s] Failed to read TMDS config: %d\n",
connector->base.id, connector->name, ret);
drm_scdc_dbg(connector, "Failed to read TMDS config: %d\n", ret);
return false;
}
@ -236,9 +236,7 @@ bool drm_scdc_set_scrambling(struct drm_connector *connector,
ret = drm_scdc_writeb(connector->ddc, SCDC_TMDS_CONFIG, config);
if (ret < 0) {
drm_dbg_kms(connector->dev,
"[CONNECTOR:%d:%s] Failed to enable scrambling: %d\n",
connector->base.id, connector->name, ret);
drm_scdc_dbg(connector, "Failed to enable scrambling: %d\n", ret);
return false;
}
@ -283,9 +281,7 @@ bool drm_scdc_set_high_tmds_clock_ratio(struct drm_connector *connector,
ret = drm_scdc_readb(connector->ddc, SCDC_TMDS_CONFIG, &config);
if (ret < 0) {
drm_dbg_kms(connector->dev,
"[CONNECTOR:%d:%s] Failed to read TMDS config: %d\n",
connector->base.id, connector->name, ret);
drm_scdc_dbg(connector, "Failed to read TMDS config: %d\n", ret);
return false;
}
@ -296,9 +292,7 @@ bool drm_scdc_set_high_tmds_clock_ratio(struct drm_connector *connector,
ret = drm_scdc_writeb(connector->ddc, SCDC_TMDS_CONFIG, config);
if (ret < 0) {
drm_dbg_kms(connector->dev,
"[CONNECTOR:%d:%s] Failed to set TMDS clock ratio: %d\n",
connector->base.id, connector->name, ret);
drm_scdc_dbg(connector, "Failed to set TMDS clock ratio: %d\n", ret);
return false;
}