[Intel-xe] [PATCH v4 1/5] drm/xe/pat: trim the xelp PAT table
Matthew Auld
matthew.auld at intel.com
Wed Sep 27 11:00:07 UTC 2023
We don't seem to use the 4-7 pat indexes, even though they are defined
by the HW. In the next patch userspace will be able to directly set the
pat_index as part of vm_bind and we don't want to allow setting 4-7.
Simplest is to just ignore them here.
Suggested-by: Matt Roper <matthew.d.roper at intel.com>
Signed-off-by: Matthew Auld <matthew.auld at intel.com>
Cc: Pallavi Mishra <pallavi.mishra at intel.com>
Cc: Lucas De Marchi <lucas.demarchi at intel.com>
Reviewed-by: Matt Roper <matthew.d.roper at intel.com>
---
drivers/gpu/drm/xe/xe_pat.c | 4 ----
1 file changed, 4 deletions(-)
diff --git a/drivers/gpu/drm/xe/xe_pat.c b/drivers/gpu/drm/xe/xe_pat.c
index 6efa44556689..2c759ffa35ef 100644
--- a/drivers/gpu/drm/xe/xe_pat.c
+++ b/drivers/gpu/drm/xe/xe_pat.c
@@ -42,10 +42,6 @@ static const u32 xelp_pat_table[] = {
[1] = XELP_PAT_WC,
[2] = XELP_PAT_WT,
[3] = XELP_PAT_UC,
- [4] = XELP_PAT_WB,
- [5] = XELP_PAT_WB,
- [6] = XELP_PAT_WB,
- [7] = XELP_PAT_WB,
};
static const u32 xehpc_pat_table[] = {
--
2.41.0
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