From: John Harrison <John.C.Harrison@xxxxxxxxx> There are various parameters within the scheduler which can be tuned to improve performance, reduce memory footprint, etc. This change adds support for altering these via debugfs. Change-Id: I6c26765269ae7173ff4d3a5c20921eaaca7c36ed For: VIZ-1587 Signed-off-by: John Harrison <John.C.Harrison@xxxxxxxxx> --- drivers/gpu/drm/i915/i915_debugfs.c | 113 ++++++++++++++++++++++++++++++++++++ 1 file changed, 113 insertions(+) diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c index 05646fe..028fa8f 100644 --- a/drivers/gpu/drm/i915/i915_debugfs.c +++ b/drivers/gpu/drm/i915/i915_debugfs.c @@ -39,6 +39,7 @@ #include "intel_ringbuffer.h" #include <drm/i915_drm.h> #include "i915_drv.h" +#include "i915_scheduler.h" enum { ACTIVE_LIST, @@ -1123,6 +1124,114 @@ DEFINE_SIMPLE_ATTRIBUTE(i915_next_seqno_fops, i915_next_seqno_get, i915_next_seqno_set, "0x%llx\n"); +static int +i915_scheduler_priority_max_get(void *data, u64 *val) +{ + struct drm_device *dev = data; + struct drm_i915_private *dev_priv = dev->dev_private; + struct i915_scheduler *scheduler = dev_priv->scheduler; + + *val = (u64) scheduler->priority_level_max; + return 0; +} + +static int +i915_scheduler_priority_max_set(void *data, u64 val) +{ + struct drm_device *dev = data; + struct drm_i915_private *dev_priv = dev->dev_private; + struct i915_scheduler *scheduler = dev_priv->scheduler; + + scheduler->priority_level_max = (u32) val; + return 0; +} + +DEFINE_SIMPLE_ATTRIBUTE(i915_scheduler_priority_max_fops, + i915_scheduler_priority_max_get, + i915_scheduler_priority_max_set, + "0x%llx\n"); + +static int +i915_scheduler_priority_preempt_get(void *data, u64 *val) +{ + struct drm_device *dev = data; + struct drm_i915_private *dev_priv = dev->dev_private; + struct i915_scheduler *scheduler = dev_priv->scheduler; + + *val = (u64) scheduler->priority_level_preempt; + return 0; +} + +static int +i915_scheduler_priority_preempt_set(void *data, u64 val) +{ + struct drm_device *dev = data; + struct drm_i915_private *dev_priv = dev->dev_private; + struct i915_scheduler *scheduler = dev_priv->scheduler; + + scheduler->priority_level_preempt = (u32) val; + return 0; +} + +DEFINE_SIMPLE_ATTRIBUTE(i915_scheduler_priority_preempt_fops, + i915_scheduler_priority_preempt_get, + i915_scheduler_priority_preempt_set, + "0x%llx\n"); + +static int +i915_scheduler_min_flying_get(void *data, u64 *val) +{ + struct drm_device *dev = data; + struct drm_i915_private *dev_priv = dev->dev_private; + struct i915_scheduler *scheduler = dev_priv->scheduler; + + *val = (u64) scheduler->min_flying; + return 0; +} + +static int +i915_scheduler_min_flying_set(void *data, u64 val) +{ + struct drm_device *dev = data; + struct drm_i915_private *dev_priv = dev->dev_private; + struct i915_scheduler *scheduler = dev_priv->scheduler; + + scheduler->min_flying = (u32) val; + return 0; +} + +DEFINE_SIMPLE_ATTRIBUTE(i915_scheduler_min_flying_fops, + i915_scheduler_min_flying_get, + i915_scheduler_min_flying_set, + "0x%llx\n"); + +static int +i915_scheduler_file_queue_max_get(void *data, u64 *val) +{ + struct drm_device *dev = data; + struct drm_i915_private *dev_priv = dev->dev_private; + struct i915_scheduler *scheduler = dev_priv->scheduler; + + *val = (u64) scheduler->file_queue_max; + return 0; +} + +static int +i915_scheduler_file_queue_max_set(void *data, u64 val) +{ + struct drm_device *dev = data; + struct drm_i915_private *dev_priv = dev->dev_private; + struct i915_scheduler *scheduler = dev_priv->scheduler; + + scheduler->file_queue_max = (u32) val; + return 0; +} + +DEFINE_SIMPLE_ATTRIBUTE(i915_scheduler_file_queue_max_fops, + i915_scheduler_file_queue_max_get, + i915_scheduler_file_queue_max_set, + "0x%llx\n"); + static int i915_frequency_info(struct seq_file *m, void *unused) { struct drm_info_node *node = m->private; @@ -5163,6 +5272,10 @@ static const struct i915_debugfs_files { {"i915_gem_drop_caches", &i915_drop_caches_fops}, {"i915_error_state", &i915_error_state_fops}, {"i915_next_seqno", &i915_next_seqno_fops}, + {"i915_scheduler_priority_max", &i915_scheduler_priority_max_fops}, + {"i915_scheduler_priority_preempt", &i915_scheduler_priority_preempt_fops}, + {"i915_scheduler_min_flying", &i915_scheduler_min_flying_fops}, + {"i915_scheduler_file_queue_max", &i915_scheduler_file_queue_max_fops}, {"i915_display_crc_ctl", &i915_display_crc_ctl_fops}, {"i915_pri_wm_latency", &i915_pri_wm_latency_fops}, {"i915_spr_wm_latency", &i915_spr_wm_latency_fops}, -- 1.9.1 _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/intel-gfx