* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*
- * Author: Jonathan Kim <jonathan.kim@amd.com>
- *
*/
#include <linux/perf_event.h>
#include <linux/init.h>
#include "amdgpu.h"
#include "amdgpu_pmu.h"
-#include "df_v3_6.h"
#define PMU_NAME_SIZE 32
+#define NUM_FORMATS_AMDGPU_PMU 4
+#define NUM_FORMATS_DF_VEGA20 3
+#define NUM_EVENTS_DF_VEGA20 8
+#define NUM_EVENT_TYPES_VEGA20 1
+#define NUM_EVENTS_VEGA20_XGMI 2
+#define NUM_EVENTS_VEGA20_MAX NUM_EVENTS_VEGA20_XGMI
+
+struct amdgpu_pmu_event_attribute {
+ struct device_attribute attr;
+ const char *event_str;
+ unsigned int type;
+};
/* record to keep track of pmu entry per pmu type per device */
struct amdgpu_pmu_entry {
struct amdgpu_device *adev;
struct pmu pmu;
unsigned int pmu_perf_type;
+ char *pmu_type_name;
+ char *pmu_file_prefix;
+ struct attribute_group fmt_attr_group;
+ struct amdgpu_pmu_event_attribute *fmt_attr;
+ struct attribute_group evt_attr_group;
+ struct amdgpu_pmu_event_attribute *evt_attr;
};
+static ssize_t amdgpu_pmu_event_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ struct amdgpu_pmu_event_attribute *amdgpu_pmu_attr;
+
+ amdgpu_pmu_attr = container_of(attr, struct amdgpu_pmu_event_attribute,
+ attr);
+
+ if (!amdgpu_pmu_attr->type)
+ return sprintf(buf, "%s\n", amdgpu_pmu_attr->event_str);
+
+ return sprintf(buf, "%s,type=0x%x\n",
+ amdgpu_pmu_attr->event_str, amdgpu_pmu_attr->type);
+}
+
static LIST_HEAD(amdgpu_pmu_list);
+struct amdgpu_pmu_attr {
+ const char *name;
+ const char *config;
+};
+
+struct amdgpu_pmu_type {
+ const unsigned int type;
+ const unsigned int num_of_type;
+};
+
+struct amdgpu_pmu_config {
+ struct amdgpu_pmu_attr *formats;
+ unsigned int num_formats;
+ struct amdgpu_pmu_attr *events;
+ unsigned int num_events;
+ struct amdgpu_pmu_type *types;
+ unsigned int num_types;
+};
+
+/*
+ * Events fall under two categories:
+ * - PMU typed
+ * Events in /sys/bus/event_source/devices/amdgpu_<pmu_type>_<dev_num> have
+ * performance counter operations handled by one IP <pmu_type>. Formats and
+ * events should be defined by <pmu_type>_<asic_type>_formats and
+ * <pmu_type>_<asic_type>_events respectively.
+ *
+ * - Event config typed
+ * Events in /sys/bus/event_source/devices/amdgpu_<dev_num> have performance
+ * counter operations that can be handled by multiple IPs dictated by their
+ * "type" format field. Formats and events should be defined by
+ * amdgpu_pmu_formats and <asic_type>_events respectively. Format field
+ * "type" is generated in amdgpu_pmu_event_show and defined in
+ * <asic_type>_event_config_types.
+ */
+
+static struct amdgpu_pmu_attr amdgpu_pmu_formats[NUM_FORMATS_AMDGPU_PMU] = {
+ { .name = "event", .config = "config:0-7" },
+ { .name = "instance", .config = "config:8-15" },
+ { .name = "umask", .config = "config:16-23"},
+ { .name = "type", .config = "config:56-63"}
+};
+
+/* Vega20 events */
+static struct amdgpu_pmu_attr vega20_events[NUM_EVENTS_VEGA20_MAX] = {
+ { .name = "xgmi_link0_data_outbound",
+ .config = "event=0x7,instance=0x46,umask=0x2" },
+ { .name = "xgmi_link1_data_outbound",
+ .config = "event=0x7,instance=0x47,umask=0x2" }
+};
+
+static struct amdgpu_pmu_type vega20_types[NUM_EVENT_TYPES_VEGA20] = {
+ { .type = AMDGPU_PMU_EVENT_CONFIG_TYPE_XGMI,
+ .num_of_type = NUM_EVENTS_VEGA20_XGMI }
+};
+
+static struct amdgpu_pmu_config vega20_config = {
+ .formats = amdgpu_pmu_formats,
+ .num_formats = ARRAY_SIZE(amdgpu_pmu_formats),
+ .events = vega20_events,
+ .num_events = ARRAY_SIZE(vega20_events),
+ .types = vega20_types,
+ .num_types = ARRAY_SIZE(vega20_types)
+};
+
+/* Vega20 data fabric (DF) events */
+static struct amdgpu_pmu_attr df_vega20_formats[NUM_FORMATS_DF_VEGA20] = {
+ { .name = "event", .config = "config:0-7" },
+ { .name = "instance", .config = "config:8-15" },
+ { .name = "umask", .config = "config:16-23"}
+};
+
+static struct amdgpu_pmu_attr df_vega20_events[NUM_EVENTS_DF_VEGA20] = {
+ { .name = "cake0_pcsout_txdata",
+ .config = "event=0x7,instance=0x46,umask=0x2" },
+ { .name = "cake1_pcsout_txdata",
+ .config = "event=0x7,instance=0x47,umask=0x2" },
+ { .name = "cake0_pcsout_txmeta",
+ .config = "event=0x7,instance=0x46,umask=0x4" },
+ { .name = "cake1_pcsout_txmeta",
+ .config = "event=0x7,instance=0x47,umask=0x4" },
+ { .name = "cake0_ftiinstat_reqalloc",
+ .config = "event=0xb,instance=0x46,umask=0x4" },
+ { .name = "cake1_ftiinstat_reqalloc",
+ .config = "event=0xb,instance=0x47,umask=0x4" },
+ { .name = "cake0_ftiinstat_rspalloc",
+ .config = "event=0xb,instance=0x46,umask=0x8" },
+ { .name = "cake1_ftiinstat_rspalloc",
+ .config = "event=0xb,instance=0x47,umask=0x8" }
+};
+
+static struct amdgpu_pmu_config df_vega20_config = {
+ .formats = df_vega20_formats,
+ .num_formats = ARRAY_SIZE(df_vega20_formats),
+ .events = df_vega20_events,
+ .num_events = ARRAY_SIZE(df_vega20_events),
+ .types = NULL,
+ .num_types = 0
+};
+
/* initialize perf counter */
static int amdgpu_perf_event_init(struct perf_event *event)
{
/* update the hw_perf_event struct with config data */
hwc->config = event->attr.config;
+ hwc->config_base = AMDGPU_PMU_PERF_TYPE_NONE;
return 0;
}
WARN_ON_ONCE(!(hwc->state & PERF_HES_UPTODATE));
hwc->state = 0;
- switch (pe->pmu_perf_type) {
- case PERF_TYPE_AMDGPU_DF:
+ switch (hwc->config_base) {
+ case AMDGPU_PMU_EVENT_CONFIG_TYPE_DF:
+ case AMDGPU_PMU_EVENT_CONFIG_TYPE_XGMI:
if (!(flags & PERF_EF_RELOAD)) {
target_cntr = pe->adev->df.funcs->pmc_start(pe->adev,
hwc->config, 0 /* unused */,
struct amdgpu_pmu_entry *pe = container_of(event->pmu,
struct amdgpu_pmu_entry,
pmu);
-
u64 count, prev;
do {
prev = local64_read(&hwc->prev_count);
- switch (pe->pmu_perf_type) {
- case PERF_TYPE_AMDGPU_DF:
+ switch (hwc->config_base) {
+ case AMDGPU_PMU_EVENT_CONFIG_TYPE_DF:
+ case AMDGPU_PMU_EVENT_CONFIG_TYPE_XGMI:
pe->adev->df.funcs->pmc_get_count(pe->adev,
hwc->config, hwc->idx, &count);
break;
if (hwc->state & PERF_HES_UPTODATE)
return;
- switch (pe->pmu_perf_type) {
- case PERF_TYPE_AMDGPU_DF:
+ switch (hwc->config_base) {
+ case AMDGPU_PMU_EVENT_CONFIG_TYPE_DF:
+ case AMDGPU_PMU_EVENT_CONFIG_TYPE_XGMI:
pe->adev->df.funcs->pmc_stop(pe->adev, hwc->config, hwc->idx,
0);
break;
struct amdgpu_pmu_entry,
pmu);
+ switch (pe->pmu_perf_type) {
+ case AMDGPU_PMU_PERF_TYPE_DF:
+ hwc->config_base = AMDGPU_PMU_EVENT_CONFIG_TYPE_DF;
+ break;
+ case AMDGPU_PMU_PERF_TYPE_ALL:
+ hwc->config_base = (hwc->config >>
+ AMDGPU_PMU_EVENT_CONFIG_TYPE_SHIFT) &
+ AMDGPU_PMU_EVENT_CONFIG_TYPE_MASK;
+ break;
+ }
+
event->hw.state = PERF_HES_UPTODATE | PERF_HES_STOPPED;
- switch (pe->pmu_perf_type) {
- case PERF_TYPE_AMDGPU_DF:
+ switch (hwc->config_base) {
+ case AMDGPU_PMU_EVENT_CONFIG_TYPE_DF:
+ case AMDGPU_PMU_EVENT_CONFIG_TYPE_XGMI:
target_cntr = pe->adev->df.funcs->pmc_start(pe->adev,
hwc->config, 0 /* unused */,
1 /* add counter */);
amdgpu_perf_stop(event, PERF_EF_UPDATE);
- switch (pe->pmu_perf_type) {
- case PERF_TYPE_AMDGPU_DF:
+ switch (hwc->config_base) {
+ case AMDGPU_PMU_EVENT_CONFIG_TYPE_DF:
+ case AMDGPU_PMU_EVENT_CONFIG_TYPE_XGMI:
pe->adev->df.funcs->pmc_stop(pe->adev, hwc->config, hwc->idx,
1);
break;
perf_event_update_userpage(event);
}
-/* vega20 pmus */
+static void amdgpu_pmu_create_event_attrs_by_type(
+ struct attribute_group *attr_group,
+ struct amdgpu_pmu_event_attribute *pmu_attr,
+ struct amdgpu_pmu_attr events[],
+ int s_offset,
+ int e_offset,
+ unsigned int type)
+{
+ int i;
+
+ pmu_attr += s_offset;
+
+ for (i = s_offset; i < e_offset; i++) {
+ attr_group->attrs[i] = &pmu_attr->attr.attr;
+ sysfs_attr_init(&pmu_attr->attr.attr);
+ pmu_attr->attr.attr.name = events[i].name;
+ pmu_attr->attr.attr.mode = 0444;
+ pmu_attr->attr.show = amdgpu_pmu_event_show;
+ pmu_attr->event_str = events[i].config;
+ pmu_attr->type = type;
+ pmu_attr++;
+ }
+}
-/* init pmu tracking per pmu type */
-static int init_pmu_by_type(struct amdgpu_device *adev,
- const struct attribute_group *attr_groups[],
- char *pmu_type_name, char *pmu_file_prefix,
- unsigned int pmu_perf_type,
- unsigned int num_counters)
+static void amdgpu_pmu_create_attrs(struct attribute_group *attr_group,
+ struct amdgpu_pmu_event_attribute *pmu_attr,
+ struct amdgpu_pmu_attr events[],
+ int num_events)
{
- char pmu_name[PMU_NAME_SIZE];
- struct amdgpu_pmu_entry *pmu_entry;
- int ret = 0;
+ amdgpu_pmu_create_event_attrs_by_type(attr_group, pmu_attr, events, 0,
+ num_events, AMDGPU_PMU_EVENT_CONFIG_TYPE_NONE);
+}
- pmu_entry = kzalloc(sizeof(struct amdgpu_pmu_entry), GFP_KERNEL);
- if (!pmu_entry)
+static int amdgpu_pmu_alloc_pmu_attrs(
+ struct attribute_group *fmt_attr_group,
+ struct amdgpu_pmu_event_attribute **fmt_attr,
+ struct attribute_group *evt_attr_group,
+ struct amdgpu_pmu_event_attribute **evt_attr,
+ struct amdgpu_pmu_config *config)
+{
+ *fmt_attr = kcalloc(config->num_formats, sizeof(**fmt_attr),
+ GFP_KERNEL);
+
+ if (!(*fmt_attr))
return -ENOMEM;
- pmu_entry->adev = adev;
+ fmt_attr_group->attrs = kcalloc(config->num_formats + 1,
+ sizeof(*fmt_attr_group->attrs), GFP_KERNEL);
+
+ if (!fmt_attr_group->attrs)
+ goto err_fmt_attr_grp;
+
+ *evt_attr = kcalloc(config->num_events, sizeof(**evt_attr), GFP_KERNEL);
+
+ if (!(*evt_attr))
+ goto err_evt_attr;
+
+ evt_attr_group->attrs = kcalloc(config->num_events + 1,
+ sizeof(*evt_attr_group->attrs), GFP_KERNEL);
+
+ if (!evt_attr_group->attrs)
+ goto err_evt_attr_grp;
+
+ return 0;
+err_evt_attr_grp:
+ kfree(*evt_attr);
+err_evt_attr:
+ kfree(fmt_attr_group->attrs);
+err_fmt_attr_grp:
+ kfree(*fmt_attr);
+ return -ENOMEM;
+}
+
+/* init pmu tracking per pmu type */
+static int init_pmu_entry_by_type_and_add(struct amdgpu_pmu_entry *pmu_entry,
+ struct amdgpu_pmu_config *config)
+{
+ const struct attribute_group *attr_groups[] = {
+ &pmu_entry->fmt_attr_group,
+ &pmu_entry->evt_attr_group,
+ NULL
+ };
+ char pmu_name[PMU_NAME_SIZE];
+ int ret = 0, total_num_events = 0;
+
pmu_entry->pmu = (struct pmu){
.event_init = amdgpu_perf_event_init,
.add = amdgpu_perf_add,
.task_ctx_nr = perf_invalid_context,
};
- pmu_entry->pmu.attr_groups = attr_groups;
- pmu_entry->pmu_perf_type = pmu_perf_type;
- snprintf(pmu_name, PMU_NAME_SIZE, "%s_%d",
- pmu_file_prefix, adev_to_drm(adev)->primary->index);
+ ret = amdgpu_pmu_alloc_pmu_attrs(&pmu_entry->fmt_attr_group,
+ &pmu_entry->fmt_attr,
+ &pmu_entry->evt_attr_group,
+ &pmu_entry->evt_attr,
+ config);
+
+ if (ret)
+ goto err_out;
+
+ amdgpu_pmu_create_attrs(&pmu_entry->fmt_attr_group, pmu_entry->fmt_attr,
+ config->formats, config->num_formats);
+
+ if (pmu_entry->pmu_perf_type == AMDGPU_PMU_PERF_TYPE_ALL) {
+ int i;
+
+ for (i = 0; i < config->num_types; i++) {
+ amdgpu_pmu_create_event_attrs_by_type(
+ &pmu_entry->evt_attr_group,
+ pmu_entry->evt_attr,
+ config->events,
+ total_num_events,
+ total_num_events +
+ config->types[i].num_of_type,
+ config->types[i].type);
+ total_num_events += config->types[i].num_of_type;
+ }
+ } else {
+ amdgpu_pmu_create_attrs(&pmu_entry->evt_attr_group,
+ pmu_entry->evt_attr,
+ config->events, config->num_events);
+ total_num_events = config->num_events;
+ }
+
+ pmu_entry->pmu.attr_groups = kmemdup(attr_groups, sizeof(attr_groups),
+ GFP_KERNEL);
+
+ if (!pmu_entry->pmu.attr_groups)
+ goto err_attr_group;
+
+ snprintf(pmu_name, PMU_NAME_SIZE, "%s_%d", pmu_entry->pmu_file_prefix,
+ adev_to_drm(pmu_entry->adev)->primary->index);
ret = perf_pmu_register(&pmu_entry->pmu, pmu_name, -1);
- if (ret) {
- kfree(pmu_entry);
- pr_warn("Error initializing AMDGPU %s PMUs.\n", pmu_type_name);
- return ret;
- }
+ if (ret)
+ goto err_register;
+
+ if (pmu_entry->pmu_perf_type != AMDGPU_PMU_PERF_TYPE_ALL)
+ pr_info("Detected AMDGPU %s Counters. # of Counters = %d.\n",
+ pmu_entry->pmu_type_name, total_num_events);
+ else
+ pr_info("Detected AMDGPU %d Perf Events.\n", total_num_events);
- pr_info("Detected AMDGPU %s Counters. # of Counters = %d.\n",
- pmu_type_name, num_counters);
list_add_tail(&pmu_entry->entry, &amdgpu_pmu_list);
return 0;
+err_register:
+ kfree(pmu_entry->pmu.attr_groups);
+err_attr_group:
+ kfree(pmu_entry->fmt_attr_group.attrs);
+ kfree(pmu_entry->fmt_attr);
+ kfree(pmu_entry->evt_attr_group.attrs);
+ kfree(pmu_entry->evt_attr);
+err_out:
+ pr_warn("Error initializing AMDGPU %s PMUs.\n",
+ pmu_entry->pmu_type_name);
+ return ret;
+}
+
+/* destroy all pmu data associated with target device */
+void amdgpu_pmu_fini(struct amdgpu_device *adev)
+{
+ struct amdgpu_pmu_entry *pe, *temp;
+
+ list_for_each_entry_safe(pe, temp, &amdgpu_pmu_list, entry) {
+ if (pe->adev != adev)
+ continue;
+ list_del(&pe->entry);
+ perf_pmu_unregister(&pe->pmu);
+ kfree(pe->pmu.attr_groups);
+ kfree(pe->fmt_attr_group.attrs);
+ kfree(pe->fmt_attr);
+ kfree(pe->evt_attr_group.attrs);
+ kfree(pe->evt_attr);
+ kfree(pe);
+ }
+}
+
+static struct amdgpu_pmu_entry *create_pmu_entry(struct amdgpu_device *adev,
+ unsigned int pmu_type,
+ char *pmu_type_name,
+ char *pmu_file_prefix)
+{
+ struct amdgpu_pmu_entry *pmu_entry;
+
+ pmu_entry = kzalloc(sizeof(struct amdgpu_pmu_entry), GFP_KERNEL);
+
+ if (!pmu_entry)
+ return pmu_entry;
+
+ pmu_entry->adev = adev;
+ pmu_entry->fmt_attr_group.name = "format";
+ pmu_entry->fmt_attr_group.attrs = NULL;
+ pmu_entry->evt_attr_group.name = "events";
+ pmu_entry->evt_attr_group.attrs = NULL;
+ pmu_entry->pmu_perf_type = pmu_type;
+ pmu_entry->pmu_type_name = pmu_type_name;
+ pmu_entry->pmu_file_prefix = pmu_file_prefix;
+
+ return pmu_entry;
}
/* init amdgpu_pmu */
int amdgpu_pmu_init(struct amdgpu_device *adev)
{
int ret = 0;
+ struct amdgpu_pmu_entry *pmu_entry, *pmu_entry_df;
switch (adev->asic_type) {
case CHIP_VEGA20:
- /* init df */
- ret = init_pmu_by_type(adev, df_v3_6_attr_groups,
- "DF", "amdgpu_df", PERF_TYPE_AMDGPU_DF,
- DF_V3_6_MAX_COUNTERS);
+ pmu_entry_df = create_pmu_entry(adev, AMDGPU_PMU_PERF_TYPE_DF,
+ "DF", "amdgpu_df");
- /* other pmu types go here*/
- break;
- default:
- return 0;
- }
+ if (!pmu_entry_df)
+ return -ENOMEM;
- return 0;
-}
+ ret = init_pmu_entry_by_type_and_add(pmu_entry_df,
+ &df_vega20_config);
+ if (ret) {
+ kfree(pmu_entry_df);
+ return ret;
+ }
-/* destroy all pmu data associated with target device */
-void amdgpu_pmu_fini(struct amdgpu_device *adev)
-{
- struct amdgpu_pmu_entry *pe, *temp;
+ pmu_entry = create_pmu_entry(adev, AMDGPU_PMU_PERF_TYPE_ALL,
+ "", "amdgpu");
- list_for_each_entry_safe(pe, temp, &amdgpu_pmu_list, entry) {
- if (pe->adev == adev) {
- list_del(&pe->entry);
- perf_pmu_unregister(&pe->pmu);
- kfree(pe);
+ if (!pmu_entry) {
+ amdgpu_pmu_fini(adev);
+ return -ENOMEM;
}
- }
+
+ ret = init_pmu_entry_by_type_and_add(pmu_entry,
+ &vega20_config);
+
+ if (ret) {
+ kfree(pmu_entry);
+ amdgpu_pmu_fini(adev);
+ return ret;
+ }
+
+ break;
+ default:
+ return 0;
+ };
+
+ return ret;
}
#define DF_3_6_SMN_REG_INST_DIST 0x8
#define DF_3_6_INST_CNT 8
-static u32 df_v3_6_channel_number[] = {1, 2, 0, 4, 0, 8, 0,
- 16, 32, 0, 0, 0, 2, 4, 8};
-
-/* init df format attrs */
-AMDGPU_PMU_ATTR(event, "config:0-7");
-AMDGPU_PMU_ATTR(instance, "config:8-15");
-AMDGPU_PMU_ATTR(umask, "config:16-23");
-
-/* df format attributes */
-static struct attribute *df_v3_6_format_attrs[] = {
- &pmu_attr_event.attr,
- &pmu_attr_instance.attr,
- &pmu_attr_umask.attr,
- NULL
-};
-
-/* df format attribute group */
-static struct attribute_group df_v3_6_format_attr_group = {
- .name = "format",
- .attrs = df_v3_6_format_attrs,
-};
+/* Defined in global_features.h as FTI_PERFMON_VISIBLE */
+#define DF_V3_6_MAX_COUNTERS 4
-/* df event attrs */
-AMDGPU_PMU_ATTR(cake0_pcsout_txdata,
- "event=0x7,instance=0x46,umask=0x2");
-AMDGPU_PMU_ATTR(cake1_pcsout_txdata,
- "event=0x7,instance=0x47,umask=0x2");
-AMDGPU_PMU_ATTR(cake0_pcsout_txmeta,
- "event=0x7,instance=0x46,umask=0x4");
-AMDGPU_PMU_ATTR(cake1_pcsout_txmeta,
- "event=0x7,instance=0x47,umask=0x4");
-AMDGPU_PMU_ATTR(cake0_ftiinstat_reqalloc,
- "event=0xb,instance=0x46,umask=0x4");
-AMDGPU_PMU_ATTR(cake1_ftiinstat_reqalloc,
- "event=0xb,instance=0x47,umask=0x4");
-AMDGPU_PMU_ATTR(cake0_ftiinstat_rspalloc,
- "event=0xb,instance=0x46,umask=0x8");
-AMDGPU_PMU_ATTR(cake1_ftiinstat_rspalloc,
- "event=0xb,instance=0x47,umask=0x8");
-
-/* df event attributes */
-static struct attribute *df_v3_6_event_attrs[] = {
- &pmu_attr_cake0_pcsout_txdata.attr,
- &pmu_attr_cake1_pcsout_txdata.attr,
- &pmu_attr_cake0_pcsout_txmeta.attr,
- &pmu_attr_cake1_pcsout_txmeta.attr,
- &pmu_attr_cake0_ftiinstat_reqalloc.attr,
- &pmu_attr_cake1_ftiinstat_reqalloc.attr,
- &pmu_attr_cake0_ftiinstat_rspalloc.attr,
- &pmu_attr_cake1_ftiinstat_rspalloc.attr,
- NULL
-};
-
-/* df event attribute group */
-static struct attribute_group df_v3_6_event_attr_group = {
- .name = "events",
- .attrs = df_v3_6_event_attrs
-};
+/* get flags from df perfmon config */
+#define DF_V3_6_GET_EVENT(x) (x & 0xFFUL)
+#define DF_V3_6_GET_INSTANCE(x) ((x >> 8) & 0xFFUL)
+#define DF_V3_6_GET_UNITMASK(x) ((x >> 16) & 0xFFUL)
+#define DF_V3_6_PERFMON_OVERFLOW 0xFFFFFFFFFFFFULL
-/* df event attr groups */
-const struct attribute_group *df_v3_6_attr_groups[] = {
- &df_v3_6_format_attr_group,
- &df_v3_6_event_attr_group,
- NULL
-};
+static u32 df_v3_6_channel_number[] = {1, 2, 0, 4, 0, 8, 0,
+ 16, 32, 0, 0, 0, 2, 4, 8};
static uint64_t df_v3_6_get_fica(struct amdgpu_device *adev,
uint32_t ficaa_val)
projects / platform / kernel / linux-starfive.git / commitdiff