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h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=B8YcFDBjKGf4ylEYcEjN7aOmxFQghEJGdgo3kIvKoXc5FMklKlOzPk9+o/cRsQ12B 295/oAR5d1xOusXLCVnZQzuYAQvr4jx7q63xVcjCW4GjZzC336nLo2F3DsAXISsKq5 jhf3pNFgf0AdiqiLXUnkXfFFhUaT921x2L4+1GyPAowaDFw4tDvIziwWmF1s84e92H bcWRLjaNS4aWaA+0X92sOlLgqQKDg21Xgt9enpsr6haWpdaBM47ketfz3vNN2AkJeJ rOUyT+vFLRt5g3p4P7xyJVMY67/bTDK5oq0YsCDSJpc2e3q72ueHt+4eoKBDtUDOwZ wpXcChQHkTXuA== Received: from localhost (unknown [100.64.0.241]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange secp256r1 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: cristicc) by bali.collaboradmins.com (Postfix) with ESMTPSA id 37AC817E0F76; Thu, 23 Jul 2026 03:35:06 +0200 (CEST) From: Cristian Ciocaltea Date: Thu, 23 Jul 2026 04:34:55 +0300 Subject: [PATCH v9 06/61] drm/display: scdc-helper: Add macro for connector-prefixed debug messages Precedence: bulk X-Mailing-List: linux-sunxi@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20260723-dw-hdmi-qp-scramb-v9-6-4fb12ea22ac9@collabora.com> References: <20260723-dw-hdmi-qp-scramb-v9-0-4fb12ea22ac9@collabora.com> In-Reply-To: <20260723-dw-hdmi-qp-scramb-v9-0-4fb12ea22ac9@collabora.com> To: Andrzej Hajda , Neil Armstrong , Robert Foss , Laurent Pinchart , Jonas Karlman , Jernej Skrabec , Luca Ceresoli , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , Chen-Yu Tsai , Samuel Holland , Dave Stevenson , =?utf-8?q?Ma=C3=ADra_Canal?= , Raspberry Pi Kernel Maintenance , Sandy Huang , =?utf-8?q?Heiko_St=C3=BCbner?= , Andy Yan , Algea Cao , Daniel Stone , Liu Ying , Phong LE Cc: kernel@collabora.com, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-arm-kernel@lists.infradead.org, linux-sunxi@lists.linux.dev, linux-rockchip@lists.infradead.org, Maud Spierings X-Mailer: b4 0.15.2 X-MORS-Enabled: yes X-MORS-DOMAIN: patchwork.local X-MORS-HOSTING: hosting172546 X-MORS-USER: hosting172546 X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= 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 Tested-by: Maud Spierings Signed-off-by: Cristian Ciocaltea --- drivers/gpu/drm/display/drm_scdc_helper.c | 24 +++++++++--------------- 1 file changed, 9 insertions(+), 15 deletions(-) diff --git a/drivers/gpu/drm/display/drm_scdc_helper.c b/drivers/gpu/drm/display/drm_scdc_helper.c index df878aad4a36..cb6632346aad 100644 --- a/drivers/gpu/drm/display/drm_scdc_helper.c +++ b/drivers/gpu/drm/display/drm_scdc_helper.c @@ -55,6 +55,10 @@ #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__) + /** * drm_scdc_read - read a block of data from SCDC * @adapter: I2C controller @@ -158,9 +162,7 @@ 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; } @@ -188,9 +190,7 @@ 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; } @@ -201,9 +201,7 @@ 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; } @@ -248,9 +246,7 @@ 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; } @@ -261,9 +257,7 @@ 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; }