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| author | Matt Roper <matthew.d.roper@intel.com> | 2023-06-02 00:52:39 +0300 |
|---|---|---|
| committer | Rodrigo Vivi <rodrigo.vivi@intel.com> | 2023-12-20 02:34:19 +0300 |
| commit | d78a4778195079e0b2820550efeecb7b25fa764a (patch) | |
| tree | c2a30f8279a46174372c76a2d619df80ffd3699d /drivers/gpu/drm/xe/xe_ggtt.c | |
| parent | 3e29c149b3d813c25925636135c08bf5d51372b2 (diff) | |
| download | linux-d78a4778195079e0b2820550efeecb7b25fa764a.tar.xz | |
drm/xe: Invalidate TLB on all affected GTs during GGTT updates
The GGTT is part of the tile and is shared by the primary and media GTs
on platforms with a standalone media architecture. However each of
these GTs has its own TLBs caching the page table lookups, and each
needs to be invalidated separately.
Reviewed-by: Nirmoy Das <nirmoy.das@intel.com>
Link: https://lore.kernel.org/r/20230601215244.678611-27-matthew.d.roper@intel.com
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Diffstat (limited to 'drivers/gpu/drm/xe/xe_ggtt.c')
| -rw-r--r-- | drivers/gpu/drm/xe/xe_ggtt.c | 16 |
1 files changed, 10 insertions, 6 deletions
diff --git a/drivers/gpu/drm/xe/xe_ggtt.c b/drivers/gpu/drm/xe/xe_ggtt.c index 8d3638826860..d67249496113 100644 --- a/drivers/gpu/drm/xe/xe_ggtt.c +++ b/drivers/gpu/drm/xe/xe_ggtt.c @@ -190,13 +190,10 @@ err: #define PVC_GUC_TLB_INV_DESC1 XE_REG(0xcf80) #define PVC_GUC_TLB_INV_DESC1_INVALIDATE REG_BIT(6) -void xe_ggtt_invalidate(struct xe_ggtt *ggtt) +static void ggtt_invalidate_gt_tlb(struct xe_gt *gt) { - /* - * TODO: Loop over each GT in tile once media GT support is - * re-added - */ - struct xe_gt *gt = ggtt->tile->primary_gt; + if (!gt) + return; /* TODO: vfunc for GuC vs. non-GuC */ @@ -221,6 +218,13 @@ void xe_ggtt_invalidate(struct xe_ggtt *ggtt) } } +void xe_ggtt_invalidate(struct xe_ggtt *ggtt) +{ + /* Each GT in a tile has its own TLB to cache GGTT lookups */ + ggtt_invalidate_gt_tlb(ggtt->tile->primary_gt); + ggtt_invalidate_gt_tlb(ggtt->tile->media_gt); +} + void xe_ggtt_printk(struct xe_ggtt *ggtt, const char *prefix) { u64 addr, scratch_pte; |