[PATCH] drm/xe/pf: Drop 2GiB limit of fair LMEM allocation

Michal Wajdeczko michal.wajdeczko at intel.com
Thu Nov 21 17:57:54 UTC 2024


Since commit 678ccbf98796 ("drm/xe/vram: drop 2G block
restriction") we are able to provision VFs with more than 2GiB.
Drop our temporary limit of maximum fair LMEM size that was added
just to avoid hitting -EINVAL from auto-provisioning.

Signed-off-by: Michal Wajdeczko <michal.wajdeczko at intel.com>
Cc: Satyanarayana K V P <satyanarayana.k.v.p at intel.com>
---
 drivers/gpu/drm/xe/xe_gt_sriov_pf_config.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/drivers/gpu/drm/xe/xe_gt_sriov_pf_config.c b/drivers/gpu/drm/xe/xe_gt_sriov_pf_config.c
index 8d84d2a9ab1e..65082f12f1a8 100644
--- a/drivers/gpu/drm/xe/xe_gt_sriov_pf_config.c
+++ b/drivers/gpu/drm/xe/xe_gt_sriov_pf_config.c
@@ -1545,8 +1545,6 @@ static u64 pf_query_max_lmem(struct xe_gt *gt)
 
 #ifdef CONFIG_DRM_XE_DEBUG_SRIOV
 #define MAX_FAIR_LMEM	SZ_128M	/* XXX: make it small for the driver bringup */
-#else
-#define MAX_FAIR_LMEM	SZ_2G	/* XXX: known issue with allocating BO over 2GiB */
 #endif
 
 static u64 pf_estimate_fair_lmem(struct xe_gt *gt, unsigned int num_vfs)
-- 
2.43.0



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