linux-kernel - [PATCH v3] drm: Replace the deprecated DRM

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Message-ID: <20250819121517.46998-2-krathul3152@gmail.com>
Date: Tue, 19 Aug 2025 17:41:03 +0530
From: Athul Raj Kollareth <krathul3152@...il.com>
To: michal.wajdeczko@...el.com,
	tzimmermann@...e.de
Cc: airlied@...il.com,
	dri-devel@...ts.freedesktop.org,
	krathul3152@...il.com,
	linux-kernel-mentees@...ts.linux.dev,
	linux-kernel@...r.kernel.org,
	maarten.lankhorst@...ux.intel.com,
	mripard@...nel.org,
	simona@...ll.ch,
	skhan@...uxfoundation.org
Subject: [PATCH v3] drm: Replace the deprecated DRM_* logging macros in gem helper files

Replace the DRM_* logging macros used in gem helper files with the appropriate
ones specified in /include/drm/drm_print.h.

Signed-off-by: Athul Raj Kollareth <krathul3152@...il.com>
---
Changes in v3:
    - Revert all changes to drm_gem_objects_lookup()
    - Use drm_device as suggested in [1]. 
Changes in v2:
    - Change drm_gem_objects_lookup() to take a drm_device* argument.
    - Make appropriate changes to all calls of drm_gem_objects_lookup().

[1]
https://lore.kernel.org/dri-devel/90f79bba-bee6-47ea-9881-9ae37eae42e0@intel.com
---
 drivers/gpu/drm/drm_gem.c            | 10 +++++++---
 drivers/gpu/drm/drm_gem_dma_helper.c |  2 +-
 2 files changed, 8 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/drm_gem.c b/drivers/gpu/drm/drm_gem.c
index 4a89b6acb6af..fbea8c50f17c 100644
--- a/drivers/gpu/drm/drm_gem.c
+++ b/drivers/gpu/drm/drm_gem.c
@@ -102,7 +102,7 @@ drm_gem_init(struct drm_device *dev)
 	vma_offset_manager = drmm_kzalloc(dev, sizeof(*vma_offset_manager),
 					  GFP_KERNEL);
 	if (!vma_offset_manager) {
-		DRM_ERROR("out of memory\n");
+		drm_err(dev, "out of memory\n");
 		return -ENOMEM;
 	}
 
@@ -787,6 +787,8 @@ int drm_gem_objects_lookup(struct drm_file *filp, void __user *bo_handles,
 	u32 *handles;
 	struct drm_gem_object **objs;
 
+	struct drm_device *dev = filp->minor->dev;
+
 	if (!count)
 		return 0;
 
@@ -805,7 +807,7 @@ int drm_gem_objects_lookup(struct drm_file *filp, void __user *bo_handles,
 
 	if (copy_from_user(handles, bo_handles, count * sizeof(u32))) {
 		ret = -EFAULT;
-		DRM_DEBUG("Failed to copy in GEM handles\n");
+		drm_dbg_core(dev, "Failed to copy in GEM handles\n");
 		goto out;
 	}
 
@@ -856,9 +858,11 @@ long drm_gem_dma_resv_wait(struct drm_file *filep, u32 handle,
 	long ret;
 	struct drm_gem_object *obj;
 
+	struct drm_device *dev = filep->minor->dev;
+
 	obj = drm_gem_object_lookup(filep, handle);
 	if (!obj) {
-		DRM_DEBUG("Failed to look up GEM BO %d\n", handle);
+		drm_dbg_core(dev, "Failed to look up GEM BO %d\n", handle);
 		return -EINVAL;
 	}
 
diff --git a/drivers/gpu/drm/drm_gem_dma_helper.c b/drivers/gpu/drm/drm_gem_dma_helper.c
index 4f0320df858f..a507cf517015 100644
--- a/drivers/gpu/drm/drm_gem_dma_helper.c
+++ b/drivers/gpu/drm/drm_gem_dma_helper.c
@@ -582,7 +582,7 @@ drm_gem_dma_prime_import_sg_table_vmap(struct drm_device *dev,
 
 	ret = dma_buf_vmap_unlocked(attach->dmabuf, &map);
 	if (ret) {
-		DRM_ERROR("Failed to vmap PRIME buffer\n");
+		drm_err(dev, "Failed to vmap PRIME buffer\n");
 		return ERR_PTR(ret);
 	}
 
-- 
2.50.1