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drm/radeon: fix debugfs handling v3

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Having registered debugfs files globally causes
the files to not show up on the second, third
etc.. card in the system.

v2: fix crash on module unloading
v3: fix space indentation

Signed-off-by: Christian König <deathsimple@vodafone.de>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Jerome Glisse <jglisse@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Christian König 2011-10-24 14:54:54 +02:00 committed by Dave Airlie
parent e2e022ec51
commit 4d8bf9aee1
2 changed files with 33 additions and 19 deletions
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8
drivers/gpu/drm/radeon/radeon.h
View File

@ -873,6 +873,11 @@ void radeon_test_moves(struct radeon_device *rdev);
/*
* Debugfs
*/
struct radeon_debugfs {
struct drm_info_list *files;
unsigned num_files;
};
int radeon_debugfs_add_files(struct radeon_device *rdev,
struct drm_info_list *files,
unsigned nfiles);
@ -1278,6 +1283,9 @@ struct radeon_device {
struct drm_file *cmask_filp;
/* i2c buses */
struct radeon_i2c_chan *i2c_bus[RADEON_MAX_I2C_BUS];
/* debugfs */
struct radeon_debugfs debugfs[RADEON_DEBUGFS_MAX_COMPONENTS];
unsigned debugfs_count;
};
int radeon_device_init(struct radeon_device *rdev,

44
drivers/gpu/drm/radeon/radeon_device.c
View File

@ -829,6 +829,8 @@ int radeon_device_init(struct radeon_device *rdev,
return 0;
}
static void radeon_debugfs_remove_files(struct radeon_device *rdev);
void radeon_device_fini(struct radeon_device *rdev)
{
DRM_INFO("radeon: finishing device.\n");
@ -843,6 +845,7 @@ void radeon_device_fini(struct radeon_device *rdev)
rdev->rio_mem = NULL;
iounmap(rdev->rmmio);
rdev->rmmio = NULL;
radeon_debugfs_remove_files(rdev);
}
@ -992,36 +995,29 @@ int radeon_gpu_reset(struct radeon_device *rdev)
/*
* Debugfs
*/
struct radeon_debugfs {
struct drm_info_list *files;
unsigned num_files;
};
static struct radeon_debugfs _radeon_debugfs[RADEON_DEBUGFS_MAX_COMPONENTS];
static unsigned _radeon_debugfs_count = 0;
int radeon_debugfs_add_files(struct radeon_device *rdev,
struct drm_info_list *files,
unsigned nfiles)
{
unsigned i;
for (i = 0; i < _radeon_debugfs_count; i++) {
if (_radeon_debugfs[i].files == files) {
for (i = 0; i < rdev->debugfs_count; i++) {
if (rdev->debugfs[i].files == files) {
/* Already registered */
return 0;
}
}
i = _radeon_debugfs_count + 1;
i = rdev->debugfs_count + 1;
if (i > RADEON_DEBUGFS_MAX_COMPONENTS) {
DRM_ERROR("Reached maximum number of debugfs components.\n");
DRM_ERROR("Report so we increase "
"RADEON_DEBUGFS_MAX_COMPONENTS.\n");
return -EINVAL;
}
_radeon_debugfs[_radeon_debugfs_count].files = files;
_radeon_debugfs[_radeon_debugfs_count].num_files = nfiles;
_radeon_debugfs_count = i;
rdev->debugfs[rdev->debugfs_count].files = files;
rdev->debugfs[rdev->debugfs_count].num_files = nfiles;
rdev->debugfs_count = i;
#if defined(CONFIG_DEBUG_FS)
drm_debugfs_create_files(files, nfiles,
rdev->ddev->control->debugfs_root,
@ -1033,6 +1029,22 @@ int radeon_debugfs_add_files(struct radeon_device *rdev,
return 0;
}
static void radeon_debugfs_remove_files(struct radeon_device *rdev)
{
#if defined(CONFIG_DEBUG_FS)
unsigned i;
for (i = 0; i < rdev->debugfs_count; i++) {
drm_debugfs_remove_files(rdev->debugfs[i].files,
rdev->debugfs[i].num_files,
rdev->ddev->control);
drm_debugfs_remove_files(rdev->debugfs[i].files,
rdev->debugfs[i].num_files,
rdev->ddev->primary);
}
#endif
}
#if defined(CONFIG_DEBUG_FS)
int radeon_debugfs_init(struct drm_minor *minor)
{
@ -1041,11 +1053,5 @@ int radeon_debugfs_init(struct drm_minor *minor)
void radeon_debugfs_cleanup(struct drm_minor *minor)
{
unsigned i;
for (i = 0; i < _radeon_debugfs_count; i++) {
drm_debugfs_remove_files(_radeon_debugfs[i].files,
_radeon_debugfs[i].num_files, minor);
}
}
#endif