From: Tom O'Rourke <Tom.O'[email protected]> i915_slpc_info shows the contents of SLPC shared data parsed into text format.
Signed-off-by: Tom O'Rourke <Tom.O'[email protected]> --- drivers/gpu/drm/i915/i915_debugfs.c | 161 ++++++++++++++++++++++++++++++++++++ 1 file changed, 161 insertions(+) diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c index b995d4e..3fc8f83 100644 --- a/drivers/gpu/drm/i915/i915_debugfs.c +++ b/drivers/gpu/drm/i915/i915_debugfs.c @@ -1121,6 +1121,166 @@ DEFINE_SIMPLE_ATTRIBUTE(i915_next_seqno_fops, i915_next_seqno_get, i915_next_seqno_set, "0x%llx\n"); +static int i915_slpc_info(struct seq_file *m, void *unused) +{ + struct drm_info_node *node = m->private; + struct drm_device *dev = node->minor->dev; + struct drm_i915_private *dev_priv = dev->dev_private; + struct drm_i915_gem_object *obj; + struct page *page; + struct slpc_shared_data *data = NULL; + int ret = 0; + int i, value; + enum slpc_global_state global_state; + enum slpc_platform_sku platform_sku; + enum slpc_power_plan power_plan; + enum slpc_power_source power_source; + + if (HAS_SLPC(dev)) { + obj = dev_priv->guc.slpc.shared_data_obj; + if (obj) { + page = i915_gem_object_get_page(obj, 0); + if (page) + data = kmap_atomic(page); + } + } + + if (data) { + seq_printf(m, "SLPC Version: %d.%d.%d (0x%8x)\n", + data->slpc_version >> 16, + (data->slpc_version >> 8) & 0xFF, + data->slpc_version & 0xFF, + data->slpc_version); + seq_printf(m, "shared data size: %d\n", data->shared_data_size); + + seq_printf(m, "global state: (%d) ", data->global_state); + global_state = (enum slpc_global_state) data->global_state; + switch (global_state) { + case SLPC_GLOBAL_STATE_NOT_RUNNING: + seq_puts(m, "not running\n"); + break; + case SLPC_GLOBAL_STATE_INITIALIZING: + seq_puts(m, "initializing\n"); + break; + case SLPC_GLOBAL_STATE_RESETING: + seq_puts(m, "resetting\n"); + break; + case SLPC_GLOBAL_STATE_RUNNING: + seq_puts(m, "running\n"); + break; + case SLPC_GLOBAL_STATE_SHUTTING_DOWN: + seq_puts(m, "shutting down\n"); + break; + case SLPC_GLOBAL_STATE_ERROR: + seq_puts(m, "error\n"); + break; + default: + seq_puts(m, "unknown\n"); + break; + } + + seq_printf(m, "sku: (%d) ", data->platform_info.platform_sku); + platform_sku = (enum slpc_platform_sku) + data->platform_info.platform_sku; + switch (platform_sku) { + case SLPC_PLATFORM_SKU_UNDEFINED: + seq_puts(m, "undefined\n"); + break; + case SLPC_PLATFORM_SKU_ULX: + seq_puts(m, "ULX\n"); + break; + case SLPC_PLATFORM_SKU_ULT: + seq_puts(m, "ULT\n"); + break; + case SLPC_PLATFORM_SKU_T: + seq_puts(m, "T\n"); + break; + case SLPC_PLATFORM_SKU_MOBL: + seq_puts(m, "Mobile\n"); + break; + case SLPC_PLATFORM_SKU_DT: + seq_puts(m, "DT\n"); + break; + case SLPC_PLATFORM_SKU_UNKNOWN: + default: + seq_puts(m, "unknown\n"); + break; + } + seq_printf(m, "slice count: %d\n", + data->platform_info.slice_count); + + seq_printf(m, "power plan/source : (0x%x) ", + data->platform_info.power_plan_source); + power_plan = (enum slpc_power_plan) + data->platform_info.power_plan_source & 0x3F; + power_source = (enum slpc_power_source) + data->platform_info.power_plan_source >> 6; + switch (power_plan) { + case SLPC_POWER_PLAN_UNDEFINED: + seq_puts(m, "undefined / "); + break; + case SLPC_POWER_PLAN_BATTERY_SAVER: + seq_puts(m, "battery saver / "); + break; + case SLPC_POWER_PLAN_BALANCED: + seq_puts(m, "balanced / "); + break; + case SLPC_POWER_PLAN_PERFORMANCE: + seq_puts(m, "performance / "); + break; + case SLPC_POWER_PLAN_UNKNOWN: + default: + seq_puts(m, "unknown / "); + break; + } + switch (power_source) { + case SLPC_POWER_SOURCE_UNDEFINED: + seq_puts(m, "undefined\n"); + break; + case SLPC_POWER_SOURCE_AC: + seq_puts(m, "AC\n"); + break; + case SLPC_POWER_SOURCE_DC: + seq_puts(m, "DC\n"); + break; + case SLPC_POWER_SOURCE_UNKNOWN: + default: + seq_puts(m, "unknown\n"); + break; + } + + seq_printf(m, "IA frequency (MHz): P0 %d P1 %d Pe %d Pn %d\n", + data->platform_info.P0_freq * 50, + data->platform_info.P1_freq * 50, + data->platform_info.Pe_freq * 50, + data->platform_info.Pn_freq * 50); + seq_printf(m, "RAPL package power limits: 0x%8x 0x%8x\n", + data->platform_info.package_rapl_limit_high, + data->platform_info.package_rapl_limit_low); + seq_printf(m, "task state data: 0x%8x\n", + data->task_state_data); + + seq_puts(m, "override parameter bitfield\n"); + for (i=0; i < SLPC_OVERRIDE_BITFIELD_SIZE; i++) + seq_printf(m, "%d: 0x%8x\n", i, + data->override_parameters_set_bits[i]); + + seq_puts(m, "override parameters (only non-zero shown)\n"); + for (i=0; i < SLPC_MAX_OVERRIDE_PARAMETERS; i++) { + value = data->override_parameters_values[i]; + if (value) + seq_printf(m, "%d: 0x%8x\n", i, value); + } + + kunmap_atomic(data); + + } else { + seq_puts(m, "no SLPC info available\n"); + } + + return ret; +} + static int i915_frequency_info(struct seq_file *m, void *unused) { struct drm_info_node *node = m->private; @@ -5349,6 +5509,7 @@ static const struct drm_info_list i915_debugfs_list[] = { {"i915_guc_info", i915_guc_info, 0}, {"i915_guc_load_status", i915_guc_load_status_info, 0}, {"i915_guc_log_dump", i915_guc_log_dump, 0}, + {"i915_slpc_info", i915_slpc_info, 0}, {"i915_frequency_info", i915_frequency_info, 0}, {"i915_hangcheck_info", i915_hangcheck_info, 0}, {"i915_drpc_info", i915_drpc_info, 0}, -- 1.9.1 _______________________________________________ Intel-gfx mailing list [email protected] http://lists.freedesktop.org/mailman/listinfo/intel-gfx
