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path: root/drivers/gpu/drm/i915/gt/uc/intel_uc.c
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Diffstat (limited to 'drivers/gpu/drm/i915/gt/uc/intel_uc.c')
-rw-r--r--drivers/gpu/drm/i915/gt/uc/intel_uc.c31
1 files changed, 26 insertions, 5 deletions
diff --git a/drivers/gpu/drm/i915/gt/uc/intel_uc.c b/drivers/gpu/drm/i915/gt/uc/intel_uc.c
index 6a0452815c41..6abb8f2dc33d 100644
--- a/drivers/gpu/drm/i915/gt/uc/intel_uc.c
+++ b/drivers/gpu/drm/i915/gt/uc/intel_uc.c
@@ -15,6 +15,29 @@
static const struct intel_uc_ops uc_ops_off;
static const struct intel_uc_ops uc_ops_on;
+static void uc_expand_default_options(struct intel_uc *uc)
+{
+ struct drm_i915_private *i915 = uc_to_gt(uc)->i915;
+
+ if (i915->params.enable_guc != -1)
+ return;
+
+ /* Don't enable GuC/HuC on pre-Gen12 */
+ if (INTEL_GEN(i915) < 12) {
+ i915->params.enable_guc = 0;
+ return;
+ }
+
+ /* Don't enable GuC/HuC on older Gen12 platforms */
+ if (IS_TIGERLAKE(i915) || IS_ROCKETLAKE(i915)) {
+ i915->params.enable_guc = 0;
+ return;
+ }
+
+ /* Default: enable HuC authentication only */
+ i915->params.enable_guc = ENABLE_GUC_LOAD_HUC;
+}
+
/* Reset GuC providing us with fresh state for both GuC and HuC.
*/
static int __intel_uc_reset_hw(struct intel_uc *uc)
@@ -52,9 +75,6 @@ static void __confirm_options(struct intel_uc *uc)
yesno(intel_uc_wants_guc_submission(uc)),
yesno(intel_uc_wants_huc(uc)));
- if (i915->params.enable_guc == -1)
- return;
-
if (i915->params.enable_guc == 0) {
GEM_BUG_ON(intel_uc_wants_guc(uc));
GEM_BUG_ON(intel_uc_wants_guc_submission(uc));
@@ -79,8 +99,7 @@ static void __confirm_options(struct intel_uc *uc)
"Incompatible option enable_guc=%d - %s\n",
i915->params.enable_guc, "GuC submission is N/A");
- if (i915->params.enable_guc & ~(ENABLE_GUC_SUBMISSION |
- ENABLE_GUC_LOAD_HUC))
+ if (i915->params.enable_guc & ~ENABLE_GUC_MASK)
drm_info(&i915->drm,
"Incompatible option enable_guc=%d - %s\n",
i915->params.enable_guc, "undocumented flag");
@@ -88,6 +107,8 @@ static void __confirm_options(struct intel_uc *uc)
void intel_uc_init_early(struct intel_uc *uc)
{
+ uc_expand_default_options(uc);
+
intel_guc_init_early(&uc->guc);
intel_huc_init_early(&uc->huc);