diff options
| author | Michal Wajdeczko <[email protected]> | 2024-02-13 16:43:48 +0100 |
|---|---|---|
| committer | Michal Wajdeczko <[email protected]> | 2024-02-13 18:59:47 +0100 |
| commit | a43d5060086e328cda6a0a110fed489a9b867fad (patch) | |
| tree | 45d5fe6e82260096ef07125490e5e2b36aa58087 | |
| parent | 157261c58b283f5c83e3f9087eca63be8d591ab8 (diff) | |
drm/xe/vf: Assume fixed GSM size if VF
VFs can't use size mirrored from PCI config, but it should be
safe to assume it covers full 4GiB GGTT.
Signed-off-by: Michal Wajdeczko <[email protected]>
Cc: Matt Roper <[email protected]>
Reviewed-by: Matt Roper <[email protected]>
Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
| -rw-r--r-- | drivers/gpu/drm/xe/xe_ggtt.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/gpu/drm/xe/xe_ggtt.c b/drivers/gpu/drm/xe/xe_ggtt.c index 6fdf830678b3..ab96edb058d6 100644 --- a/drivers/gpu/drm/xe/xe_ggtt.c +++ b/drivers/gpu/drm/xe/xe_ggtt.c @@ -20,6 +20,7 @@ #include "xe_gt_tlb_invalidation.h" #include "xe_map.h" #include "xe_mmio.h" +#include "xe_sriov.h" #include "xe_wopcm.h" #define XELPG_GGTT_PTE_PAT0 BIT_ULL(52) @@ -144,7 +145,11 @@ int xe_ggtt_init_early(struct xe_ggtt *ggtt) struct pci_dev *pdev = to_pci_dev(xe->drm.dev); unsigned int gsm_size; - gsm_size = probe_gsm_size(pdev); + if (IS_SRIOV_VF(xe)) + gsm_size = SZ_8M; /* GGTT is expected to be 4GiB */ + else + gsm_size = probe_gsm_size(pdev); + if (gsm_size == 0) { drm_err(&xe->drm, "Hardware reported no preallocated GSM\n"); return -ENOMEM; |