linux-kernel - [PATCH v2] drm: core: Convert device logging to drm

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Date:   Sat, 18 Jul 2020 20:39:55 +0530
From:   Suraj Upadhyay <usuraj35@...il.com>
To:     maarten.lankhorst@...ux.intel.com, mripard@...nel.org,
        tzimmermann@...e.de, airlied@...ux.ie, daniel@...ll.ch,
        sam@...nborg.org
Cc:     dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org
Subject: [PATCH v2] drm: core: Convert device logging to drm_* functions.

Convert device logging with dev_* functions into drm_* functions.

The patch has been generated with the coccinelle script below.
The script focuses on instances of dev_* functions where the drm device
context is clearly visible in its arguments.

@@expression E1; expression list E2; @@
-dev_warn(E1->dev, E2)
+drm_warn(E1, E2)

@@expression E1; expression list E2; @@
-dev_info(E1->dev, E2)
+drm_info(E1, E2)

@@expression E1; expression list E2; @@
-dev_err(E1->dev, E2)
+drm_err(E1, E2)

@@expression E1; expression list E2; @@
-dev_info_once(E1->dev, E2)
+drm_info_once(E1, E2)

@@expression E1; expression list E2; @@
-dev_notice_once(E1->dev, E2)
+drm_notice_once(E1, E2)

@@expression E1; expression list E2; @@
-dev_warn_once(E1->dev, E2)
+drm_warn_once(E1, E2)

@@expression E1; expression list E2; @@
-dev_err_once(E1->dev, E2)
+drm_err_once(E1, E2)

@@expression E1; expression list E2; @@
-dev_err_ratelimited(E1->dev, E2)
+drm_err_ratelimited(E1, E2)

@@expression E1; expression list E2; @@
-dev_dbg(E1->dev, E2)
+drm_dbg(E1, E2)

Signed-off-by: Suraj Upadhyay <usuraj35@...il.com>
---
Changes:
	v2: Fixed error in coccinelle script and diff,
	    i.e. removed the underscore.
		drv_dbg_ -> drm_dbg

 drivers/gpu/drm/drm_edid.c           | 6 ++----
 drivers/gpu/drm/drm_gem_cma_helper.c | 4 ++--
 drivers/gpu/drm/drm_mipi_dbi.c       | 7 +++----
 3 files changed, 7 insertions(+), 10 deletions(-)

diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c
index 52b357e75c3d..6840f0530a38 100644
--- a/drivers/gpu/drm/drm_edid.c
+++ b/drivers/gpu/drm/drm_edid.c
@@ -1844,9 +1844,7 @@ static void connector_bad_edid(struct drm_connector *connector,
 	if (connector->bad_edid_counter++ && !drm_debug_enabled(DRM_UT_KMS))
 		return;
 
-	dev_warn(connector->dev->dev,
-		 "%s: EDID is invalid:\n",
-		 connector->name);
+	drm_warn(connector->dev, "%s: EDID is invalid:\n", connector->name);
 	for (i = 0; i < num_blocks; i++) {
 		u8 *block = edid + i * EDID_LENGTH;
 		char prefix[20];
@@ -5298,7 +5296,7 @@ int drm_add_edid_modes(struct drm_connector *connector, struct edid *edid)
 	}
 	if (!drm_edid_is_valid(edid)) {
 		clear_eld(connector);
-		dev_warn(connector->dev->dev, "%s: EDID invalid.\n",
+		drm_warn(connector->dev, "%s: EDID invalid.\n",
 			 connector->name);
 		return 0;
 	}
diff --git a/drivers/gpu/drm/drm_gem_cma_helper.c b/drivers/gpu/drm/drm_gem_cma_helper.c
index 06a5b9ee1fe0..822edeadbab3 100644
--- a/drivers/gpu/drm/drm_gem_cma_helper.c
+++ b/drivers/gpu/drm/drm_gem_cma_helper.c
@@ -105,8 +105,8 @@ struct drm_gem_cma_object *drm_gem_cma_create(struct drm_device *drm,
 	cma_obj->vaddr = dma_alloc_wc(drm->dev, size, &cma_obj->paddr,
 				      GFP_KERNEL | __GFP_NOWARN);
 	if (!cma_obj->vaddr) {
-		dev_dbg(drm->dev, "failed to allocate buffer with size %zu\n",
-			size);
+		drm_dbg(drm, "failed to allocate buffer with size %zu\n",
+			 size);
 		ret = -ENOMEM;
 		goto error;
 	}
diff --git a/drivers/gpu/drm/drm_mipi_dbi.c b/drivers/gpu/drm/drm_mipi_dbi.c
index 0e55d8716e3d..a7a611894243 100644
--- a/drivers/gpu/drm/drm_mipi_dbi.c
+++ b/drivers/gpu/drm/drm_mipi_dbi.c
@@ -225,9 +225,8 @@ int mipi_dbi_buf_copy(void *dst, struct drm_framebuffer *fb,
 		drm_fb_xrgb8888_to_rgb565(dst, src, fb, clip, swap);
 		break;
 	default:
-		dev_err_once(fb->dev->dev, "Format is not supported: %s\n",
-			     drm_get_format_name(fb->format->format,
-						 &format_name));
+		drm_err_once(fb->dev, "Format is not supported: %s\n",
+			     drm_get_format_name(fb->format->format, &format_name));
 		return -EINVAL;
 	}
 
@@ -295,7 +294,7 @@ static void mipi_dbi_fb_dirty(struct drm_framebuffer *fb, struct drm_rect *rect)
 				   width * height * 2);
 err_msg:
 	if (ret)
-		dev_err_once(fb->dev->dev, "Failed to update display %d\n", ret);
+		drm_err_once(fb->dev, "Failed to update display %d\n", ret);
 
 	drm_dev_exit(idx);
 }
-- 
2.17.1


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