diff options
| -rw-r--r-- | drivers/gpu/drm/i915/gt/uc/intel_uc.c | 31 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/gt/uc/intel_uc_fw.c | 7 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/i915_params.h | 1 |
3 files changed, 28 insertions, 11 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); diff --git a/drivers/gpu/drm/i915/gt/uc/intel_uc_fw.c b/drivers/gpu/drm/i915/gt/uc/intel_uc_fw.c index 602f1a0bc587..67b06fde1225 100644 --- a/drivers/gpu/drm/i915/gt/uc/intel_uc_fw.c +++ b/drivers/gpu/drm/i915/gt/uc/intel_uc_fw.c @@ -152,16 +152,11 @@ __uc_fw_auto_select(struct drm_i915_private *i915, struct intel_uc_fw *uc_fw) uc_fw->path = NULL; } } - - /* We don't want to enable GuC/HuC on pre-Gen11 by default */ - if (i915->params.enable_guc == -1 && p < INTEL_ICELAKE) - uc_fw->path = NULL; } static const char *__override_guc_firmware_path(struct drm_i915_private *i915) { - if (i915->params.enable_guc & (ENABLE_GUC_SUBMISSION | - ENABLE_GUC_LOAD_HUC)) + if (i915->params.enable_guc & ENABLE_GUC_MASK) return i915->params.guc_firmware_path; return ""; } diff --git a/drivers/gpu/drm/i915/i915_params.h b/drivers/gpu/drm/i915/i915_params.h index 330c03e2b4f7..f031966af5b7 100644 --- a/drivers/gpu/drm/i915/i915_params.h +++ b/drivers/gpu/drm/i915/i915_params.h @@ -32,6 +32,7 @@ struct drm_printer; #define ENABLE_GUC_SUBMISSION BIT(0) #define ENABLE_GUC_LOAD_HUC BIT(1) +#define ENABLE_GUC_MASK GENMASK(1, 0) /* * Invoke param, a function-like macro, for each i915 param, with arguments: |