diff options
| -rw-r--r-- | drivers/gpu/drm/i915/gt/intel_engine.h | 2 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/gt/intel_engine_cs.c | 17 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/gt/intel_execlists_submission.c | 3 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/gt/intel_gt_regs.h | 3 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/gt/uc/intel_guc_ads.c | 4 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c | 3 |
6 files changed, 32 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/gt/intel_engine.h b/drivers/gpu/drm/i915/gt/intel_engine.h index be4b1e65442f..1c0ab05c3c40 100644 --- a/drivers/gpu/drm/i915/gt/intel_engine.h +++ b/drivers/gpu/drm/i915/gt/intel_engine.h @@ -265,6 +265,8 @@ intel_engine_create_pinned_context(struct intel_engine_cs *engine, void intel_engine_destroy_pinned_context(struct intel_context *ce); +void xehp_enable_ccs_engines(struct intel_engine_cs *engine); + #define ENGINE_PHYSICAL 0 #define ENGINE_MOCK 1 #define ENGINE_VIRTUAL 2 diff --git a/drivers/gpu/drm/i915/gt/intel_engine_cs.c b/drivers/gpu/drm/i915/gt/intel_engine_cs.c index 2136c56d3abc..92f4cf9833ee 100644 --- a/drivers/gpu/drm/i915/gt/intel_engine_cs.c +++ b/drivers/gpu/drm/i915/gt/intel_engine_cs.c @@ -2070,6 +2070,23 @@ intel_engine_execlist_find_hung_request(struct intel_engine_cs *engine) return active; } +void xehp_enable_ccs_engines(struct intel_engine_cs *engine) +{ + /* + * If there are any non-fused-off CCS engines, we need to enable CCS + * support in the RCU_MODE register. This only needs to be done once, + * so for simplicity we'll take care of this in the RCS engine's + * resume handler; since the RCS and all CCS engines belong to the + * same reset domain and are reset together, this will also take care + * of re-applying the setting after i915-triggered resets. + */ + if (!CCS_MASK(engine->gt)) + return; + + intel_uncore_write(engine->uncore, GEN12_RCU_MODE, + _MASKED_BIT_ENABLE(GEN12_RCU_MODE_CCS_ENABLE)); +} + #if IS_ENABLED(CONFIG_DRM_I915_SELFTEST) #include "mock_engine.c" #include "selftest_engine.c" diff --git a/drivers/gpu/drm/i915/gt/intel_execlists_submission.c b/drivers/gpu/drm/i915/gt/intel_execlists_submission.c index c8407cc96c42..3e0c81f06bd0 100644 --- a/drivers/gpu/drm/i915/gt/intel_execlists_submission.c +++ b/drivers/gpu/drm/i915/gt/intel_execlists_submission.c @@ -2911,6 +2911,9 @@ static int execlists_resume(struct intel_engine_cs *engine) enable_execlists(engine); + if (engine->class == RENDER_CLASS) + xehp_enable_ccs_engines(engine); + return 0; } diff --git a/drivers/gpu/drm/i915/gt/intel_gt_regs.h b/drivers/gpu/drm/i915/gt/intel_gt_regs.h index 84f189738a68..e629443e07ae 100644 --- a/drivers/gpu/drm/i915/gt/intel_gt_regs.h +++ b/drivers/gpu/drm/i915/gt/intel_gt_regs.h @@ -1327,6 +1327,9 @@ #define ECOBITS_PPGTT_CACHE64B (3 << 8) #define ECOBITS_PPGTT_CACHE4B (0 << 8) +#define GEN12_RCU_MODE _MMIO(0x14800) +#define GEN12_RCU_MODE_CCS_ENABLE REG_BIT(0) + #define CHV_FUSE_GT _MMIO(VLV_DISPLAY_BASE + 0x2168) #define CHV_FGT_DISABLE_SS0 (1 << 10) #define CHV_FGT_DISABLE_SS1 (1 << 11) diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc_ads.c b/drivers/gpu/drm/i915/gt/uc/intel_guc_ads.c index 847e00390b00..29fbe4681ca7 100644 --- a/drivers/gpu/drm/i915/gt/uc/intel_guc_ads.c +++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_ads.c @@ -335,6 +335,10 @@ static int guc_mmio_regset_init(struct temp_regset *regset, ret |= GUC_MMIO_REG_ADD(regset, RING_HWS_PGA(base), false); ret |= GUC_MMIO_REG_ADD(regset, RING_IMR(base), false); + if (engine->class == RENDER_CLASS && + CCS_MASK(engine->gt)) + ret |= GUC_MMIO_REG_ADD(regset, GEN12_RCU_MODE, true); + for (i = 0, wa = wal->list; i < wal->count; i++, wa++) ret |= GUC_MMIO_REG_ADD(regset, wa->reg, wa->masked_reg); 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 a5c17bb4edfe..1ce7e04aa837 100644 --- a/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c +++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c @@ -3595,6 +3595,9 @@ static int guc_resume(struct intel_engine_cs *engine) setup_hwsp(engine); start_engine(engine); + if (engine->class == RENDER_CLASS) + xehp_enable_ccs_engines(engine); + return 0; } |