drm/amdkfd: Fix GCC 10 compiler warning
GCC 10 was complaining about how we append data to a buffer using snprintf:
drivers/gpu/drm/amd/amdgpu/../amdkfd/kfd_topology.c: In function ‘perf_show’:
drivers/gpu/drm/amd/amdgpu/../amdkfd/kfd_topology.c:214:3: warning: ‘snprintf’ argument 4 overlaps destination object ‘buf’ [-Wrestrict]
214 | snprintf(buffer, PAGE_SIZE, "%s"fmt, buffer, __VA_ARGS__)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
This patch fixes the warnings and makes the sysfs code more efficient
by remembering the offset in the buffer between append operations.
Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com>
Acked-by: Aaron Liu <aaron.liu@amd.com>
Tested-by: Aaron Liu <aaron.liu@amd.com>
Reviewed-by: Amber Lin <Amber.Lin@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Felix Kuehling
Alex Deucher
parent
b0f8a6d5ef
commit
83a13ef590
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@ -210,39 +210,41 @@ struct kfd_topology_device *kfd_create_topology_device(
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}
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#define sysfs_show_gen_prop(buffer, fmt, ...) \
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snprintf(buffer, PAGE_SIZE, "%s"fmt, buffer, __VA_ARGS__)
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#define sysfs_show_32bit_prop(buffer, name, value) \
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sysfs_show_gen_prop(buffer, "%s %u\n", name, value)
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#define sysfs_show_64bit_prop(buffer, name, value) \
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sysfs_show_gen_prop(buffer, "%s %llu\n", name, value)
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#define sysfs_show_32bit_val(buffer, value) \
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sysfs_show_gen_prop(buffer, "%u\n", value)
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#define sysfs_show_str_val(buffer, value) \
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sysfs_show_gen_prop(buffer, "%s\n", value)
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#define sysfs_show_gen_prop(buffer, offs, fmt, ...) \
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(offs += snprintf(buffer+offs, PAGE_SIZE-offs, \
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fmt, __VA_ARGS__))
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#define sysfs_show_32bit_prop(buffer, offs, name, value) \
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sysfs_show_gen_prop(buffer, offs, "%s %u\n", name, value)
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#define sysfs_show_64bit_prop(buffer, offs, name, value) \
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sysfs_show_gen_prop(buffer, offs, "%s %llu\n", name, value)
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#define sysfs_show_32bit_val(buffer, offs, value) \
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sysfs_show_gen_prop(buffer, offs, "%u\n", value)
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#define sysfs_show_str_val(buffer, offs, value) \
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sysfs_show_gen_prop(buffer, offs, "%s\n", value)
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static ssize_t sysprops_show(struct kobject *kobj, struct attribute *attr,
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char *buffer)
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{
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ssize_t ret;
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int offs = 0;
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/* Making sure that the buffer is an empty string */
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buffer[0] = 0;
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if (attr == &sys_props.attr_genid) {
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ret = sysfs_show_32bit_val(buffer, sys_props.generation_count);
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sysfs_show_32bit_val(buffer, offs,
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sys_props.generation_count);
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} else if (attr == &sys_props.attr_props) {
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sysfs_show_64bit_prop(buffer, "platform_oem",
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sys_props.platform_oem);
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sysfs_show_64bit_prop(buffer, "platform_id",
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sys_props.platform_id);
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ret = sysfs_show_64bit_prop(buffer, "platform_rev",
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sys_props.platform_rev);
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sysfs_show_64bit_prop(buffer, offs, "platform_oem",
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sys_props.platform_oem);
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sysfs_show_64bit_prop(buffer, offs, "platform_id",
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sys_props.platform_id);
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sysfs_show_64bit_prop(buffer, offs, "platform_rev",
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sys_props.platform_rev);
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} else {
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ret = -EINVAL;
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offs = -EINVAL;
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}
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return ret;
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return offs;
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}
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static void kfd_topology_kobj_release(struct kobject *kobj)
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@ -262,7 +264,7 @@ static struct kobj_type sysprops_type = {
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static ssize_t iolink_show(struct kobject *kobj, struct attribute *attr,
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char *buffer)
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{
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ssize_t ret;
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int offs = 0;
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struct kfd_iolink_properties *iolink;
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/* Making sure that the buffer is an empty string */
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@ -271,21 +273,23 @@ static ssize_t iolink_show(struct kobject *kobj, struct attribute *attr,
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iolink = container_of(attr, struct kfd_iolink_properties, attr);
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if (iolink->gpu && kfd_devcgroup_check_permission(iolink->gpu))
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return -EPERM;
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sysfs_show_32bit_prop(buffer, "type", iolink->iolink_type);
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sysfs_show_32bit_prop(buffer, "version_major", iolink->ver_maj);
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sysfs_show_32bit_prop(buffer, "version_minor", iolink->ver_min);
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sysfs_show_32bit_prop(buffer, "node_from", iolink->node_from);
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sysfs_show_32bit_prop(buffer, "node_to", iolink->node_to);
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sysfs_show_32bit_prop(buffer, "weight", iolink->weight);
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sysfs_show_32bit_prop(buffer, "min_latency", iolink->min_latency);
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sysfs_show_32bit_prop(buffer, "max_latency", iolink->max_latency);
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sysfs_show_32bit_prop(buffer, "min_bandwidth", iolink->min_bandwidth);
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sysfs_show_32bit_prop(buffer, "max_bandwidth", iolink->max_bandwidth);
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sysfs_show_32bit_prop(buffer, "recommended_transfer_size",
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iolink->rec_transfer_size);
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ret = sysfs_show_32bit_prop(buffer, "flags", iolink->flags);
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sysfs_show_32bit_prop(buffer, offs, "type", iolink->iolink_type);
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sysfs_show_32bit_prop(buffer, offs, "version_major", iolink->ver_maj);
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sysfs_show_32bit_prop(buffer, offs, "version_minor", iolink->ver_min);
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sysfs_show_32bit_prop(buffer, offs, "node_from", iolink->node_from);
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sysfs_show_32bit_prop(buffer, offs, "node_to", iolink->node_to);
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sysfs_show_32bit_prop(buffer, offs, "weight", iolink->weight);
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sysfs_show_32bit_prop(buffer, offs, "min_latency", iolink->min_latency);
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sysfs_show_32bit_prop(buffer, offs, "max_latency", iolink->max_latency);
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sysfs_show_32bit_prop(buffer, offs, "min_bandwidth",
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iolink->min_bandwidth);
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sysfs_show_32bit_prop(buffer, offs, "max_bandwidth",
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iolink->max_bandwidth);
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sysfs_show_32bit_prop(buffer, offs, "recommended_transfer_size",
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iolink->rec_transfer_size);
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sysfs_show_32bit_prop(buffer, offs, "flags", iolink->flags);
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return ret;
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return offs;
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}
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static const struct sysfs_ops iolink_ops = {
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@ -300,7 +304,7 @@ static struct kobj_type iolink_type = {
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static ssize_t mem_show(struct kobject *kobj, struct attribute *attr,
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char *buffer)
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{
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ssize_t ret;
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int offs = 0;
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struct kfd_mem_properties *mem;
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/* Making sure that the buffer is an empty string */
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@ -309,13 +313,15 @@ static ssize_t mem_show(struct kobject *kobj, struct attribute *attr,
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mem = container_of(attr, struct kfd_mem_properties, attr);
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if (mem->gpu && kfd_devcgroup_check_permission(mem->gpu))
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return -EPERM;
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sysfs_show_32bit_prop(buffer, "heap_type", mem->heap_type);
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sysfs_show_64bit_prop(buffer, "size_in_bytes", mem->size_in_bytes);
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sysfs_show_32bit_prop(buffer, "flags", mem->flags);
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sysfs_show_32bit_prop(buffer, "width", mem->width);
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ret = sysfs_show_32bit_prop(buffer, "mem_clk_max", mem->mem_clk_max);
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sysfs_show_32bit_prop(buffer, offs, "heap_type", mem->heap_type);
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sysfs_show_64bit_prop(buffer, offs, "size_in_bytes",
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mem->size_in_bytes);
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sysfs_show_32bit_prop(buffer, offs, "flags", mem->flags);
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sysfs_show_32bit_prop(buffer, offs, "width", mem->width);
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sysfs_show_32bit_prop(buffer, offs, "mem_clk_max",
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mem->mem_clk_max);
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return ret;
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return offs;
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}
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static const struct sysfs_ops mem_ops = {
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@ -330,7 +336,7 @@ static struct kobj_type mem_type = {
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static ssize_t kfd_cache_show(struct kobject *kobj, struct attribute *attr,
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char *buffer)
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{
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ssize_t ret;
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int offs = 0;
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uint32_t i, j;
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struct kfd_cache_properties *cache;
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@ -340,30 +346,27 @@ static ssize_t kfd_cache_show(struct kobject *kobj, struct attribute *attr,
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cache = container_of(attr, struct kfd_cache_properties, attr);
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if (cache->gpu && kfd_devcgroup_check_permission(cache->gpu))
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return -EPERM;
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sysfs_show_32bit_prop(buffer, "processor_id_low",
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sysfs_show_32bit_prop(buffer, offs, "processor_id_low",
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cache->processor_id_low);
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sysfs_show_32bit_prop(buffer, "level", cache->cache_level);
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sysfs_show_32bit_prop(buffer, "size", cache->cache_size);
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sysfs_show_32bit_prop(buffer, "cache_line_size", cache->cacheline_size);
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sysfs_show_32bit_prop(buffer, "cache_lines_per_tag",
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cache->cachelines_per_tag);
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sysfs_show_32bit_prop(buffer, "association", cache->cache_assoc);
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sysfs_show_32bit_prop(buffer, "latency", cache->cache_latency);
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sysfs_show_32bit_prop(buffer, "type", cache->cache_type);
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snprintf(buffer, PAGE_SIZE, "%ssibling_map ", buffer);
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sysfs_show_32bit_prop(buffer, offs, "level", cache->cache_level);
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sysfs_show_32bit_prop(buffer, offs, "size", cache->cache_size);
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sysfs_show_32bit_prop(buffer, offs, "cache_line_size",
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cache->cacheline_size);
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sysfs_show_32bit_prop(buffer, offs, "cache_lines_per_tag",
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cache->cachelines_per_tag);
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sysfs_show_32bit_prop(buffer, offs, "association", cache->cache_assoc);
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sysfs_show_32bit_prop(buffer, offs, "latency", cache->cache_latency);
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sysfs_show_32bit_prop(buffer, offs, "type", cache->cache_type);
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offs += snprintf(buffer+offs, PAGE_SIZE-offs, "sibling_map ");
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for (i = 0; i < CRAT_SIBLINGMAP_SIZE; i++)
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for (j = 0; j < sizeof(cache->sibling_map[0])*8; j++) {
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for (j = 0; j < sizeof(cache->sibling_map[0])*8; j++)
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/* Check each bit */
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if (cache->sibling_map[i] & (1 << j))
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ret = snprintf(buffer, PAGE_SIZE,
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"%s%d%s", buffer, 1, ",");
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else
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ret = snprintf(buffer, PAGE_SIZE,
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"%s%d%s", buffer, 0, ",");
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}
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offs += snprintf(buffer+offs, PAGE_SIZE-offs, "%d,",
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(cache->sibling_map[i] >> j) & 1);
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/* Replace the last "," with end of line */
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*(buffer + strlen(buffer) - 1) = 0xA;
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return ret;
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buffer[offs-1] = '\n';
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return offs;
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}
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static const struct sysfs_ops cache_ops = {
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@ -385,6 +388,7 @@ struct kfd_perf_attr {
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static ssize_t perf_show(struct kobject *kobj, struct kobj_attribute *attrs,
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char *buf)
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{
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int offs = 0;
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struct kfd_perf_attr *attr;
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buf[0] = 0;
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@ -392,7 +396,7 @@ static ssize_t perf_show(struct kobject *kobj, struct kobj_attribute *attrs,
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if (!attr->data) /* invalid data for PMC */
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return 0;
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else
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return sysfs_show_32bit_val(buf, attr->data);
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return sysfs_show_32bit_val(buf, offs, attr->data);
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}
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#define KFD_PERF_DESC(_name, _data) \
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@ -411,6 +415,7 @@ static struct kfd_perf_attr perf_attr_iommu[] = {
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static ssize_t node_show(struct kobject *kobj, struct attribute *attr,
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char *buffer)
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{
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int offs = 0;
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struct kfd_topology_device *dev;
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uint32_t log_max_watch_addr;
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@ -422,7 +427,7 @@ static ssize_t node_show(struct kobject *kobj, struct attribute *attr,
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attr_gpuid);
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if (dev->gpu && kfd_devcgroup_check_permission(dev->gpu))
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return -EPERM;
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return sysfs_show_32bit_val(buffer, dev->gpu_id);
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return sysfs_show_32bit_val(buffer, offs, dev->gpu_id);
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}
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if (strcmp(attr->name, "name") == 0) {
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@ -431,69 +436,69 @@ static ssize_t node_show(struct kobject *kobj, struct attribute *attr,
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if (dev->gpu && kfd_devcgroup_check_permission(dev->gpu))
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return -EPERM;
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return sysfs_show_str_val(buffer, dev->node_props.name);
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return sysfs_show_str_val(buffer, offs, dev->node_props.name);
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}
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dev = container_of(attr, struct kfd_topology_device,
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attr_props);
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if (dev->gpu && kfd_devcgroup_check_permission(dev->gpu))
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return -EPERM;
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sysfs_show_32bit_prop(buffer, "cpu_cores_count",
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dev->node_props.cpu_cores_count);
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sysfs_show_32bit_prop(buffer, "simd_count",
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dev->node_props.simd_count);
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sysfs_show_32bit_prop(buffer, "mem_banks_count",
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dev->node_props.mem_banks_count);
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sysfs_show_32bit_prop(buffer, "caches_count",
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dev->node_props.caches_count);
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sysfs_show_32bit_prop(buffer, "io_links_count",
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dev->node_props.io_links_count);
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sysfs_show_32bit_prop(buffer, "cpu_core_id_base",
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dev->node_props.cpu_core_id_base);
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sysfs_show_32bit_prop(buffer, "simd_id_base",
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dev->node_props.simd_id_base);
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sysfs_show_32bit_prop(buffer, "max_waves_per_simd",
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dev->node_props.max_waves_per_simd);
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sysfs_show_32bit_prop(buffer, "lds_size_in_kb",
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dev->node_props.lds_size_in_kb);
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sysfs_show_32bit_prop(buffer, "gds_size_in_kb",
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dev->node_props.gds_size_in_kb);
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sysfs_show_32bit_prop(buffer, "num_gws",
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dev->node_props.num_gws);
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sysfs_show_32bit_prop(buffer, "wave_front_size",
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dev->node_props.wave_front_size);
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sysfs_show_32bit_prop(buffer, "array_count",
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dev->node_props.array_count);
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sysfs_show_32bit_prop(buffer, "simd_arrays_per_engine",
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dev->node_props.simd_arrays_per_engine);
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sysfs_show_32bit_prop(buffer, "cu_per_simd_array",
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dev->node_props.cu_per_simd_array);
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sysfs_show_32bit_prop(buffer, "simd_per_cu",
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dev->node_props.simd_per_cu);
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sysfs_show_32bit_prop(buffer, "max_slots_scratch_cu",
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dev->node_props.max_slots_scratch_cu);
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sysfs_show_32bit_prop(buffer, "vendor_id",
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dev->node_props.vendor_id);
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sysfs_show_32bit_prop(buffer, "device_id",
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dev->node_props.device_id);
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sysfs_show_32bit_prop(buffer, "location_id",
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dev->node_props.location_id);
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sysfs_show_32bit_prop(buffer, "domain",
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dev->node_props.domain);
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sysfs_show_32bit_prop(buffer, "drm_render_minor",
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dev->node_props.drm_render_minor);
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sysfs_show_64bit_prop(buffer, "hive_id",
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dev->node_props.hive_id);
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sysfs_show_32bit_prop(buffer, "num_sdma_engines",
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dev->node_props.num_sdma_engines);
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sysfs_show_32bit_prop(buffer, "num_sdma_xgmi_engines",
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dev->node_props.num_sdma_xgmi_engines);
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sysfs_show_32bit_prop(buffer, "num_sdma_queues_per_engine",
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dev->node_props.num_sdma_queues_per_engine);
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sysfs_show_32bit_prop(buffer, "num_cp_queues",
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dev->node_props.num_cp_queues);
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sysfs_show_64bit_prop(buffer, "unique_id",
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dev->node_props.unique_id);
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sysfs_show_32bit_prop(buffer, offs, "cpu_cores_count",
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dev->node_props.cpu_cores_count);
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sysfs_show_32bit_prop(buffer, offs, "simd_count",
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dev->node_props.simd_count);
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sysfs_show_32bit_prop(buffer, offs, "mem_banks_count",
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dev->node_props.mem_banks_count);
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sysfs_show_32bit_prop(buffer, offs, "caches_count",
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dev->node_props.caches_count);
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sysfs_show_32bit_prop(buffer, offs, "io_links_count",
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dev->node_props.io_links_count);
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sysfs_show_32bit_prop(buffer, offs, "cpu_core_id_base",
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dev->node_props.cpu_core_id_base);
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sysfs_show_32bit_prop(buffer, offs, "simd_id_base",
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dev->node_props.simd_id_base);
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sysfs_show_32bit_prop(buffer, offs, "max_waves_per_simd",
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dev->node_props.max_waves_per_simd);
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sysfs_show_32bit_prop(buffer, offs, "lds_size_in_kb",
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dev->node_props.lds_size_in_kb);
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sysfs_show_32bit_prop(buffer, offs, "gds_size_in_kb",
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dev->node_props.gds_size_in_kb);
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sysfs_show_32bit_prop(buffer, offs, "num_gws",
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dev->node_props.num_gws);
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sysfs_show_32bit_prop(buffer, offs, "wave_front_size",
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dev->node_props.wave_front_size);
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sysfs_show_32bit_prop(buffer, offs, "array_count",
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dev->node_props.array_count);
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sysfs_show_32bit_prop(buffer, offs, "simd_arrays_per_engine",
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dev->node_props.simd_arrays_per_engine);
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sysfs_show_32bit_prop(buffer, offs, "cu_per_simd_array",
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dev->node_props.cu_per_simd_array);
|
||||
sysfs_show_32bit_prop(buffer, offs, "simd_per_cu",
|
||||
dev->node_props.simd_per_cu);
|
||||
sysfs_show_32bit_prop(buffer, offs, "max_slots_scratch_cu",
|
||||
dev->node_props.max_slots_scratch_cu);
|
||||
sysfs_show_32bit_prop(buffer, offs, "vendor_id",
|
||||
dev->node_props.vendor_id);
|
||||
sysfs_show_32bit_prop(buffer, offs, "device_id",
|
||||
dev->node_props.device_id);
|
||||
sysfs_show_32bit_prop(buffer, offs, "location_id",
|
||||
dev->node_props.location_id);
|
||||
sysfs_show_32bit_prop(buffer, offs, "domain",
|
||||
dev->node_props.domain);
|
||||
sysfs_show_32bit_prop(buffer, offs, "drm_render_minor",
|
||||
dev->node_props.drm_render_minor);
|
||||
sysfs_show_64bit_prop(buffer, offs, "hive_id",
|
||||
dev->node_props.hive_id);
|
||||
sysfs_show_32bit_prop(buffer, offs, "num_sdma_engines",
|
||||
dev->node_props.num_sdma_engines);
|
||||
sysfs_show_32bit_prop(buffer, offs, "num_sdma_xgmi_engines",
|
||||
dev->node_props.num_sdma_xgmi_engines);
|
||||
sysfs_show_32bit_prop(buffer, offs, "num_sdma_queues_per_engine",
|
||||
dev->node_props.num_sdma_queues_per_engine);
|
||||
sysfs_show_32bit_prop(buffer, offs, "num_cp_queues",
|
||||
dev->node_props.num_cp_queues);
|
||||
sysfs_show_64bit_prop(buffer, offs, "unique_id",
|
||||
dev->node_props.unique_id);
|
||||
|
||||
if (dev->gpu) {
|
||||
log_max_watch_addr =
|
||||
|
|
@ -513,22 +518,21 @@ static ssize_t node_show(struct kobject *kobj, struct attribute *attr,
|
|||
dev->node_props.capability |=
|
||||
HSA_CAP_AQL_QUEUE_DOUBLE_MAP;
|
||||
|
||||
sysfs_show_32bit_prop(buffer, "max_engine_clk_fcompute",
|
||||
sysfs_show_32bit_prop(buffer, offs, "max_engine_clk_fcompute",
|
||||
dev->node_props.max_engine_clk_fcompute);
|
||||
|
||||
sysfs_show_64bit_prop(buffer, "local_mem_size",
|
||||
(unsigned long long int) 0);
|
||||
sysfs_show_64bit_prop(buffer, offs, "local_mem_size", 0ULL);
|
||||
|
||||
sysfs_show_32bit_prop(buffer, "fw_version",
|
||||
dev->gpu->mec_fw_version);
|
||||
sysfs_show_32bit_prop(buffer, "capability",
|
||||
dev->node_props.capability);
|
||||
sysfs_show_32bit_prop(buffer, "sdma_fw_version",
|
||||
dev->gpu->sdma_fw_version);
|
||||
sysfs_show_32bit_prop(buffer, offs, "fw_version",
|
||||
dev->gpu->mec_fw_version);
|
||||
sysfs_show_32bit_prop(buffer, offs, "capability",
|
||||
dev->node_props.capability);
|
||||
sysfs_show_32bit_prop(buffer, offs, "sdma_fw_version",
|
||||
dev->gpu->sdma_fw_version);
|
||||
}
|
||||
|
||||
return sysfs_show_32bit_prop(buffer, "max_engine_clk_ccompute",
|
||||
cpufreq_quick_get_max(0)/1000);
|
||||
return sysfs_show_32bit_prop(buffer, offs, "max_engine_clk_ccompute",
|
||||
cpufreq_quick_get_max(0)/1000);
|
||||
}
|
||||
|
||||
static const struct sysfs_ops node_ops = {
|
||||
|
|
|
|||
Loading…
Reference in New Issue