redonkable/remarkable-linux
redonkable/remarkable-linux
1
0
Fork 0
Code Releases Activity

drm/i915/guc: Name the default GuC scheduling policy

Browse source 
The default values for the default scheduling policy come from the
GuC firmware itself. Transform the magic numbers into defines.

Suggested-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Signed-off-by: Oscar Mateo <oscar.mateo@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/1505252197-27696-1-git-send-email-oscar.mateo@intel.com
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
This commit is contained in:
Oscar Mateo 2017-09-12 14:36:35 -07:00 committed by Chris Wilson
parent 2013ddebd2
commit e9eb8039ba
2 changed files with 15 additions and 6 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

15
drivers/gpu/drm/i915/i915_guc_submission.c
View file

@ -996,22 +996,27 @@ static void guc_client_free(struct i915_guc_client *client)
kfree(client);
}
static void guc_policy_init(struct guc_policy *policy)
{
policy->execution_quantum = POLICY_DEFAULT_EXECUTION_QUANTUM_US;
policy->preemption_time = POLICY_DEFAULT_PREEMPTION_TIME_US;
policy->fault_time = POLICY_DEFAULT_FAULT_TIME_US;
policy->policy_flags = 0;
}
static void guc_policies_init(struct guc_policies *policies)
{
struct guc_policy *policy;
u32 p, i;
policies->dpc_promote_time = 500000;
policies->dpc_promote_time = POLICY_DEFAULT_DPC_PROMOTE_TIME_US;
policies->max_num_work_items = POLICY_MAX_NUM_WI;
for (p = 0; p < GUC_CLIENT_PRIORITY_NUM; p++) {
for (i = GUC_RENDER_ENGINE; i < GUC_MAX_ENGINES_NUM; i++) {
policy = &policies->policy[p][i];
policy->execution_quantum = 1000000;
policy->preemption_time = 500000;
policy->fault_time = 250000;
policy->policy_flags = 0;
guc_policy_init(policy);
}
}

6
drivers/gpu/drm/i915/intel_guc_fwif.h
View file

@ -388,7 +388,11 @@ struct guc_ct_buffer_desc {
/* Preempt to idle on quantum expiry */
#define POLICY_PREEMPT_TO_IDLE (1<<1)
#define POLICY_MAX_NUM_WI 15
#define POLICY_MAX_NUM_WI 15
#define POLICY_DEFAULT_DPC_PROMOTE_TIME_US 500000
#define POLICY_DEFAULT_EXECUTION_QUANTUM_US 1000000
#define POLICY_DEFAULT_PREEMPTION_TIME_US 500000
#define POLICY_DEFAULT_FAULT_TIME_US 250000
struct guc_policy {
/* Time for one workload to execute. (in micro seconds) */