diff options
| author | Harish Kasiviswanathan <Harish.Kasiviswanathan@amd.com> | 2017-12-08 23:08:57 -0500 |
|---|---|---|
| committer | Oded Gabbay <oded.gabbay@gmail.com> | 2017-12-08 23:08:57 -0500 |
| commit | bc0c75a36722be4537a9266940ddcd4f826234c4 (patch) | |
| tree | 8caaa718a019baa812b60bfde521be6386e42851 /drivers/gpu/drm/amd/amdkfd/kfd_topology.c | |
| parent | 175b926335c9ce30a531b7a162dde055e7182cbe (diff) | |
drm/amdkfd: Fix sibling_map[] size
Change kfd_cache_properties.sibling_map[256] to
kfd_cache_properties.sibling_map[32]. Since, CRAT uses bitmap for
sibling_map, it is more efficient to use bitmap in the kfd structure
also.
Signed-off-by: Harish Kasiviswanathan <Harish.Kasiviswanathan@amd.com>
Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com>
Reviewed-by: Oded Gabbay <oded.gabbay@gmail.com>
Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdkfd/kfd_topology.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdkfd/kfd_topology.c | 20 |
1 files changed, 13 insertions, 7 deletions
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_topology.c b/drivers/gpu/drm/amd/amdkfd/kfd_topology.c index 17e8daf96b4f..622fedaa5b39 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_topology.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_topology.c @@ -263,7 +263,7 @@ static ssize_t kfd_cache_show(struct kobject *kobj, struct attribute *attr, char *buffer) { ssize_t ret; - uint32_t i; + uint32_t i, j; struct kfd_cache_properties *cache; /* Making sure that the buffer is an empty string */ @@ -281,12 +281,18 @@ static ssize_t kfd_cache_show(struct kobject *kobj, struct attribute *attr, sysfs_show_32bit_prop(buffer, "latency", cache->cache_latency); sysfs_show_32bit_prop(buffer, "type", cache->cache_type); snprintf(buffer, PAGE_SIZE, "%ssibling_map ", buffer); - for (i = 0; i < KFD_TOPOLOGY_CPU_SIBLINGS; i++) - ret = snprintf(buffer, PAGE_SIZE, "%s%d%s", - buffer, cache->sibling_map[i], - (i == KFD_TOPOLOGY_CPU_SIBLINGS-1) ? - "\n" : ","); - + for (i = 0; i < CRAT_SIBLINGMAP_SIZE; i++) + for (j = 0; j < sizeof(cache->sibling_map[0])*8; j++) { + /* Check each bit */ + if (cache->sibling_map[i] & (1 << j)) + ret = snprintf(buffer, PAGE_SIZE, + "%s%d%s", buffer, 1, ","); + else + ret = snprintf(buffer, PAGE_SIZE, + "%s%d%s", buffer, 0, ","); + } + /* Replace the last "," with end of line */ + *(buffer + strlen(buffer) - 1) = 0xA; return ret; } |