Number of available GuC contexts ids might be limited. Stop referring in code to macro and use variable instead.
Signed-off-by: Michal Wajdeczko michal.wajdeczko@intel.com Signed-off-by: Matthew Brost matthew.brost@intel.com --- drivers/gpu/drm/i915/gt/uc/intel_guc.h | 4 ++++ drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c | 15 +++++++++------ 2 files changed, 13 insertions(+), 6 deletions(-)
diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc.h b/drivers/gpu/drm/i915/gt/uc/intel_guc.h index 112dd29a63fe..6fd2719d1b75 100644 --- a/drivers/gpu/drm/i915/gt/uc/intel_guc.h +++ b/drivers/gpu/drm/i915/gt/uc/intel_guc.h @@ -60,6 +60,10 @@ struct intel_guc { spinlock_t contexts_lock; /** @guc_ids: used to allocate new guc_ids */ struct ida guc_ids; + /** @num_guc_ids: number of guc_ids that can be used */ + u32 num_guc_ids; + /** @max_guc_ids: max number of guc_ids that can be used */ + u32 max_guc_ids; /** * @guc_id_list: list of intel_context with valid guc_ids but no refs */ diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c b/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c index 46158d996bf6..8235e49bb347 100644 --- a/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c +++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c @@ -344,7 +344,7 @@ static struct guc_lrc_desc *__get_lrc_desc(struct intel_guc *guc, u32 index) { struct guc_lrc_desc *base = guc->lrc_desc_pool_vaddr;
- GEM_BUG_ON(index >= GUC_MAX_LRC_DESCRIPTORS); + GEM_BUG_ON(index >= guc->max_guc_ids);
return &base[index]; } @@ -353,7 +353,7 @@ static struct intel_context *__get_context(struct intel_guc *guc, u32 id) { struct intel_context *ce = xa_load(&guc->context_lookup, id);
- GEM_BUG_ON(id >= GUC_MAX_LRC_DESCRIPTORS); + GEM_BUG_ON(id >= guc->max_guc_ids);
return ce; } @@ -363,8 +363,7 @@ static int guc_lrc_desc_pool_create(struct intel_guc *guc) u32 size; int ret;
- size = PAGE_ALIGN(sizeof(struct guc_lrc_desc) * - GUC_MAX_LRC_DESCRIPTORS); + size = PAGE_ALIGN(sizeof(struct guc_lrc_desc) * guc->max_guc_ids); ret = intel_guc_allocate_and_map_vma(guc, size, &guc->lrc_desc_pool, (void **)&guc->lrc_desc_pool_vaddr); if (ret) @@ -1193,7 +1192,7 @@ static void guc_submit_request(struct i915_request *rq) static int new_guc_id(struct intel_guc *guc) { return ida_simple_get(&guc->guc_ids, 0, - GUC_MAX_LRC_DESCRIPTORS, GFP_KERNEL | + guc->num_guc_ids, GFP_KERNEL | __GFP_RETRY_MAYFAIL | __GFP_NOWARN); }
@@ -2704,6 +2703,8 @@ static bool __guc_submission_selected(struct intel_guc *guc)
void intel_guc_submission_init_early(struct intel_guc *guc) { + guc->max_guc_ids = GUC_MAX_LRC_DESCRIPTORS; + guc->num_guc_ids = GUC_MAX_LRC_DESCRIPTORS; guc->submission_supported = __guc_submission_supported(guc); guc->submission_selected = __guc_submission_selected(guc); } @@ -2713,7 +2714,7 @@ g2h_context_lookup(struct intel_guc *guc, u32 desc_idx) { struct intel_context *ce;
- if (unlikely(desc_idx >= GUC_MAX_LRC_DESCRIPTORS)) { + if (unlikely(desc_idx >= guc->max_guc_ids)) { drm_err(&guc_to_gt(guc)->i915->drm, "Invalid desc_idx %u", desc_idx); return NULL; @@ -3063,6 +3064,8 @@ void intel_guc_submission_print_info(struct intel_guc *guc,
drm_printf(p, "GuC Number Outstanding Submission G2H: %u\n", atomic_read(&guc->outstanding_submission_g2h)); + drm_printf(p, "GuC Number GuC IDs: %u\n", guc->num_guc_ids); + drm_printf(p, "GuC Max GuC IDs: %u\n", guc->max_guc_ids); drm_printf(p, "GuC tasklet count: %u\n\n", atomic_read(&sched_engine->tasklet.count));