linux-kernel - [PATCH 18/29] drm/tidss: Convert to drm logging

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Message-Id: <20250902-drm-state-readout-v1-18-14ad5315da3f@kernel.org>
Date: Tue, 02 Sep 2025 10:32:46 +0200
From: Maxime Ripard <mripard@...nel.org>
To: Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>, 
 Thomas Zimmermann <tzimmermann@...e.de>, David Airlie <airlied@...il.com>, 
 Simona Vetter <simona@...ll.ch>, Andrzej Hajda <andrzej.hajda@...el.com>, 
 Neil Armstrong <neil.armstrong@...aro.org>, Robert Foss <rfoss@...nel.org>, 
 Laurent Pinchart <Laurent.pinchart@...asonboard.com>, 
 Jonas Karlman <jonas@...boo.se>, Jernej Skrabec <jernej.skrabec@...il.com>, 
 Jyri Sarha <jyri.sarha@....fi>, 
 Tomi Valkeinen <tomi.valkeinen@...asonboard.com>
Cc: Devarsh Thakkar <devarsht@...com>, dri-devel@...ts.freedesktop.org, 
 linux-kernel@...r.kernel.org, Maxime Ripard <mripard@...nel.org>
Subject: [PATCH 18/29] drm/tidss: Convert to drm logging

DRM drivers should prefer the drm logging functions to the dev logging
ones when possible. Let's convert the existing dev_* logs to their drm
counterparts.

Signed-off-by: Maxime Ripard <mripard@...nel.org>
---
 drivers/gpu/drm/tidss/tidss_crtc.c  | 4 ++--
 drivers/gpu/drm/tidss/tidss_dispc.c | 6 ++++--
 2 files changed, 6 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/tidss/tidss_crtc.c b/drivers/gpu/drm/tidss/tidss_crtc.c
index da89fd01c3376352840185cd4ac355dd41fd5bb1..f497138ad053ed4be207e12eeee6c304e1c949bd 100644
--- a/drivers/gpu/drm/tidss/tidss_crtc.c
+++ b/drivers/gpu/drm/tidss/tidss_crtc.c
@@ -101,11 +101,11 @@ static int tidss_crtc_atomic_check(struct drm_crtc *crtc,
 
 	mode = &crtc_state->adjusted_mode;
 
 	ok = dispc_vp_mode_valid(dispc, hw_videoport, mode);
 	if (ok != MODE_OK) {
-		dev_dbg(ddev->dev, "%s: bad mode: %ux%u pclk %u kHz\n",
+		drm_dbg(ddev, "%s: bad mode: %ux%u pclk %u kHz\n",
 			__func__, mode->hdisplay, mode->vdisplay, mode->clock);
 		return -EINVAL;
 	}
 
 	if (drm_atomic_crtc_needs_modeset(crtc_state))
@@ -170,11 +170,11 @@ static void tidss_crtc_atomic_flush(struct drm_crtc *crtc,
 	struct tidss_crtc *tcrtc = to_tidss_crtc(crtc);
 	struct drm_device *ddev = crtc->dev;
 	struct tidss_device *tidss = to_tidss(ddev);
 	unsigned long flags;
 
-	dev_dbg(ddev->dev, "%s: %s is %sactive, %s modeset, event %p\n",
+	drm_dbg(ddev, "%s: %s is %sactive, %s modeset, event %p\n",
 		__func__, crtc->name, crtc->state->active ? "" : "not ",
 		drm_atomic_crtc_needs_modeset(crtc->state) ? "needs" : "doesn't need",
 		crtc->state->event);
 
 	/*
diff --git a/drivers/gpu/drm/tidss/tidss_dispc.c b/drivers/gpu/drm/tidss/tidss_dispc.c
index 190d32ed53f84371456ccb997d1898ed5cef9db1..8b1d6b72f303b91fbf86f7d0e351800804757126 100644
--- a/drivers/gpu/drm/tidss/tidss_dispc.c
+++ b/drivers/gpu/drm/tidss/tidss_dispc.c
@@ -1063,24 +1063,26 @@ struct dispc_bus_format *dispc_vp_find_bus_fmt(struct dispc_device *dispc,
 }
 
 int dispc_vp_bus_check(struct dispc_device *dispc, u32 hw_videoport,
 		       const struct drm_crtc_state *state)
 {
+	struct tidss_device *tidss = dispc->tidss;
+	struct drm_device *dev = &tidss->ddev;
 	const struct tidss_crtc_state *tstate = to_tidss_crtc_state(state);
 	const struct dispc_bus_format *fmt;
 
 	fmt = dispc_vp_find_bus_fmt(dispc, hw_videoport, tstate->bus_format,
 				    tstate->bus_flags);
 	if (!fmt) {
-		dev_dbg(dispc->dev, "%s: Unsupported bus format: %u\n",
+		drm_dbg(dev, "%s: Unsupported bus format: %u\n",
 			__func__, tstate->bus_format);
 		return -EINVAL;
 	}
 
 	if (dispc->feat->vp_bus_type[hw_videoport] != DISPC_VP_OLDI_AM65X &&
 	    fmt->is_oldi_fmt) {
-		dev_dbg(dispc->dev, "%s: %s is not OLDI-port\n",
+		drm_dbg(dev, "%s: %s is not OLDI-port\n",
 			__func__, dispc->feat->vp_name[hw_videoport]);
 		return -EINVAL;
 	}
 
 	return 0;

-- 
2.50.1