2023-06-22 10:55:47

by Arnd Bergmann

[permalink] [raw]
Subject: [PATCH] drm/amdgpu: fix building without DEBUG_FS

From: Arnd Bergmann <[email protected]>

The debugfs file is defined unconditionally, but the registration is hidden
in an #ifdef, which causes a warning:

drivers/gpu/drm/amd/amdgpu/amdgpu_rap.c:110:37: error: unused variable 'amdgpu_rap_debugfs_ops' [-Werror,-Wunused-const-variable]
static const struct file_operations amdgpu_rap_debugfs_ops = {
^

in amdgpu_pm.c, the same thing happens with the clocks[] variable:

drivers/gpu/drm/amd/pm/amdgpu_pm.c:38:34: error: unused variable 'clocks' [-Werror,-Wunused-const-variable]
static const struct cg_flag_name clocks[] = {
^

Since debugfs_create_file() does nothing when debugfs is disabled, removing
the ifdefs makes the code more readable and also avoids both warnings.

Fixes: a4322e1881bed ("drm/amdgpu: add debugfs interface for RAP test")
Fixes: e098bc9612c2b ("drm/amd/pm: optimize the power related source code layout")
Reported-by: kernel test robot <[email protected]>
Link: https://lore.kernel.org/oe-kbuild-all/[email protected]/
Signed-off-by: Arnd Bergmann <[email protected]>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_rap.c | 2 --
drivers/gpu/drm/amd/pm/amdgpu_pm.c | 6 ------
2 files changed, 8 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_rap.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_rap.c
index 12010c988c8b5..123bcf5c2bb13 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_rap.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_rap.c
@@ -116,7 +116,6 @@ static const struct file_operations amdgpu_rap_debugfs_ops = {

void amdgpu_rap_debugfs_init(struct amdgpu_device *adev)
{
-#if defined(CONFIG_DEBUG_FS)
struct drm_minor *minor = adev_to_drm(adev)->primary;

if (!adev->psp.rap_context.context.initialized)
@@ -124,5 +123,4 @@ void amdgpu_rap_debugfs_init(struct amdgpu_device *adev)

debugfs_create_file("rap_test", S_IWUSR, minor->debugfs_root,
adev, &amdgpu_rap_debugfs_ops);
-#endif
}
diff --git a/drivers/gpu/drm/amd/pm/amdgpu_pm.c b/drivers/gpu/drm/amd/pm/amdgpu_pm.c
index a57952b93e73f..ec39805b762e6 100644
--- a/drivers/gpu/drm/amd/pm/amdgpu_pm.c
+++ b/drivers/gpu/drm/amd/pm/amdgpu_pm.c
@@ -3565,8 +3565,6 @@ void amdgpu_pm_sysfs_fini(struct amdgpu_device *adev)
/*
* Debugfs info
*/
-#if defined(CONFIG_DEBUG_FS)
-
static void amdgpu_debugfs_prints_cpu_info(struct seq_file *m,
struct amdgpu_device *adev) {
uint16_t *p_val;
@@ -3768,11 +3766,8 @@ static const struct file_operations amdgpu_debugfs_pm_prv_buffer_fops = {
.llseek = default_llseek,
};

-#endif
-
void amdgpu_debugfs_pm_init(struct amdgpu_device *adev)
{
-#if defined(CONFIG_DEBUG_FS)
struct drm_minor *minor = adev_to_drm(adev)->primary;
struct dentry *root = minor->debugfs_root;

@@ -3789,5 +3784,4 @@ void amdgpu_debugfs_pm_init(struct amdgpu_device *adev)
adev->pm.smu_prv_buffer_size);

amdgpu_dpm_stb_debug_fs_init(adev);
-#endif
}
--
2.39.2