diff options
Diffstat (limited to 'drivers/gpu/drm/xe/xe_gt_tlb_invalidation.c')
| -rw-r--r-- | drivers/gpu/drm/xe/xe_gt_tlb_invalidation.c | 57 |
1 files changed, 49 insertions, 8 deletions
diff --git a/drivers/gpu/drm/xe/xe_gt_tlb_invalidation.c b/drivers/gpu/drm/xe/xe_gt_tlb_invalidation.c index f4c485289dbe..93df2d7969b3 100644 --- a/drivers/gpu/drm/xe/xe_gt_tlb_invalidation.c +++ b/drivers/gpu/drm/xe/xe_gt_tlb_invalidation.c @@ -8,9 +8,12 @@ #include "abi/guc_actions_abi.h" #include "xe_device.h" #include "xe_gt.h" +#include "xe_gt_printk.h" #include "xe_guc.h" #include "xe_guc_ct.h" +#include "xe_mmio.h" #include "xe_trace.h" +#include "regs/xe_guc_regs.h" #define TLB_TIMEOUT (HZ / 4) @@ -30,8 +33,8 @@ static void xe_gt_tlb_fence_timeout(struct work_struct *work) break; trace_xe_gt_tlb_invalidation_fence_timeout(fence); - drm_err(>_to_xe(gt)->drm, "gt%d: TLB invalidation fence timeout, seqno=%d recv=%d", - gt->info.id, fence->seqno, gt->tlb_invalidation.seqno_recv); + xe_gt_err(gt, "TLB invalidation fence timeout, seqno=%d recv=%d", + fence->seqno, gt->tlb_invalidation.seqno_recv); list_del(&fence->link); fence->base.error = -ETIME; @@ -60,7 +63,6 @@ int xe_gt_tlb_invalidation_init(struct xe_gt *gt) INIT_LIST_HEAD(>->tlb_invalidation.pending_fences); spin_lock_init(>->tlb_invalidation.pending_lock); spin_lock_init(>->tlb_invalidation.lock); - gt->tlb_invalidation.fence_context = dma_fence_context_alloc(1); INIT_DELAYED_WORK(>->tlb_invalidation.fence_tdr, xe_gt_tlb_fence_timeout); @@ -209,7 +211,7 @@ static int send_tlb_invalidation(struct xe_guc *guc, * Return: Seqno which can be passed to xe_gt_tlb_invalidation_wait on success, * negative error code on error. */ -int xe_gt_tlb_invalidation_guc(struct xe_gt *gt) +static int xe_gt_tlb_invalidation_guc(struct xe_gt *gt) { u32 action[] = { XE_GUC_ACTION_TLB_INVALIDATION, @@ -222,6 +224,45 @@ int xe_gt_tlb_invalidation_guc(struct xe_gt *gt) } /** + * xe_gt_tlb_invalidation_ggtt - Issue a TLB invalidation on this GT for the GGTT + * @gt: graphics tile + * + * Issue a TLB invalidation for the GGTT. Completion of TLB invalidation is + * synchronous. + * + * Return: 0 on success, negative error code on error + */ +int xe_gt_tlb_invalidation_ggtt(struct xe_gt *gt) +{ + struct xe_device *xe = gt_to_xe(gt); + + if (xe_guc_ct_enabled(>->uc.guc.ct) && + gt->uc.guc.submission_state.enabled) { + int seqno; + + seqno = xe_gt_tlb_invalidation_guc(gt); + if (seqno <= 0) + return seqno; + + xe_gt_tlb_invalidation_wait(gt, seqno); + } else if (xe_device_uc_enabled(xe)) { + xe_gt_WARN_ON(gt, xe_force_wake_get(gt_to_fw(gt), XE_FW_GT)); + if (xe->info.platform == XE_PVC || GRAPHICS_VER(xe) >= 20) { + xe_mmio_write32(gt, PVC_GUC_TLB_INV_DESC1, + PVC_GUC_TLB_INV_DESC1_INVALIDATE); + xe_mmio_write32(gt, PVC_GUC_TLB_INV_DESC0, + PVC_GUC_TLB_INV_DESC0_VALID); + } else { + xe_mmio_write32(gt, GUC_TLB_INV_CR, + GUC_TLB_INV_CR_INVALIDATE); + } + xe_force_wake_put(gt_to_fw(gt), XE_FW_GT); + } + + return 0; +} + +/** * xe_gt_tlb_invalidation_vma - Issue a TLB invalidation on this GT for a VMA * @gt: graphics tile * @fence: invalidation fence which will be signal on TLB invalidation @@ -320,9 +361,7 @@ int xe_gt_tlb_invalidation_vma(struct xe_gt *gt, */ int xe_gt_tlb_invalidation_wait(struct xe_gt *gt, int seqno) { - struct xe_device *xe = gt_to_xe(gt); struct xe_guc *guc = >->uc.guc; - struct drm_printer p = drm_err_printer(__func__); int ret; /* Execlists not supported */ @@ -337,8 +376,10 @@ int xe_gt_tlb_invalidation_wait(struct xe_gt *gt, int seqno) tlb_invalidation_seqno_past(gt, seqno), TLB_TIMEOUT); if (!ret) { - drm_err(&xe->drm, "gt%d: TLB invalidation time'd out, seqno=%d, recv=%d\n", - gt->info.id, seqno, gt->tlb_invalidation.seqno_recv); + struct drm_printer p = xe_gt_err_printer(gt); + + xe_gt_err(gt, "TLB invalidation time'd out, seqno=%d, recv=%d\n", + seqno, gt->tlb_invalidation.seqno_recv); xe_guc_ct_print(&guc->ct, &p, true); return -ETIME; } |