diff options
Diffstat (limited to 'drivers/gpu/drm/i915/gt/uc/intel_gsc_uc.c')
| -rw-r--r-- | drivers/gpu/drm/i915/gt/uc/intel_gsc_uc.c | 28 |
1 files changed, 23 insertions, 5 deletions
diff --git a/drivers/gpu/drm/i915/gt/uc/intel_gsc_uc.c b/drivers/gpu/drm/i915/gt/uc/intel_gsc_uc.c index fd21dbd2663b..2d5b70b3384c 100644 --- a/drivers/gpu/drm/i915/gt/uc/intel_gsc_uc.c +++ b/drivers/gpu/drm/i915/gt/uc/intel_gsc_uc.c @@ -6,6 +6,7 @@ #include <linux/types.h> #include "gt/intel_gt.h" +#include "gt/intel_gt_print.h" #include "intel_gsc_uc.h" #include "intel_gsc_fw.h" #include "i915_drv.h" @@ -59,7 +60,6 @@ int intel_gsc_uc_init(struct intel_gsc_uc *gsc) { static struct lock_class_key gsc_lock; struct intel_gt *gt = gsc_uc_to_gt(gsc); - struct drm_i915_private *i915 = gt->i915; struct intel_engine_cs *engine = gt->engine[GSC0]; struct intel_context *ce; struct i915_vma *vma; @@ -81,8 +81,7 @@ int intel_gsc_uc_init(struct intel_gsc_uc *gsc) I915_GEM_HWS_GSC_ADDR, &gsc_lock, "gsc_context"); if (IS_ERR(ce)) { - drm_err(>->i915->drm, - "failed to create GSC CS ctx for FW communication\n"); + gt_err(gt, "failed to create GSC CS ctx for FW communication\n"); err = PTR_ERR(ce); goto out_vma; } @@ -98,7 +97,7 @@ out_vma: out_fw: intel_uc_fw_fini(&gsc->fw); out: - i915_probe_error(i915, "failed with %d\n", err); + gt_probe_error(gt, "GSC init failed %pe\n", ERR_PTR(err)); return err; } @@ -117,7 +116,7 @@ void intel_gsc_uc_fini(struct intel_gsc_uc *gsc) intel_uc_fw_fini(&gsc->fw); } -void intel_gsc_uc_suspend(struct intel_gsc_uc *gsc) +void intel_gsc_uc_flush_work(struct intel_gsc_uc *gsc) { if (!intel_uc_fw_is_loadable(&gsc->fw)) return; @@ -125,6 +124,25 @@ void intel_gsc_uc_suspend(struct intel_gsc_uc *gsc) flush_work(&gsc->work); } +void intel_gsc_uc_resume(struct intel_gsc_uc *gsc) +{ + if (!intel_uc_fw_is_loadable(&gsc->fw)) + return; + + /* + * we only want to start the GSC worker from here in the actual resume + * flow and not during driver load. This is because GSC load is slow and + * therefore we want to make sure that the default state init completes + * first to not slow down the init thread. A separate call to + * intel_gsc_uc_load_start will ensure that the GSC is loaded during + * driver load. + */ + if (!gsc_uc_to_gt(gsc)->engine[GSC0]->default_state) + return; + + intel_gsc_uc_load_start(gsc); +} + void intel_gsc_uc_load_start(struct intel_gsc_uc *gsc) { if (!intel_uc_fw_is_loadable(&gsc->fw)) |