[Intel-xe] [PATCH 5/6] drm/xe/mtl: Fix PAT table coherency settings
Matt Roper
matthew.d.roper at intel.com
Fri Mar 24 21:04:14 UTC 2023
Re-sync our MTL PAT table with the bspec. 1-way coherency should only
be set on table entry 3. We do not want an incorrect setting here to
accidentally paper over other bugs elsewhere in the driver.
Bspec: 45101
Signed-off-by: Matt Roper <matthew.d.roper at intel.com>
---
drivers/gpu/drm/xe/xe_pat.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/xe/xe_pat.c b/drivers/gpu/drm/xe/xe_pat.c
index 142cf11b5914..645eb20aea8e 100644
--- a/drivers/gpu/drm/xe/xe_pat.c
+++ b/drivers/gpu/drm/xe/xe_pat.c
@@ -52,8 +52,8 @@ const u32 pvc_pat_table[] = {
const u32 mtl_pat_table[] = {
[0] = MTL_PAT_0_WB,
- [1] = MTL_PAT_1_WT | MTL_2_COH_1W,
- [2] = MTL_PAT_3_UC | MTL_2_COH_1W,
+ [1] = MTL_PAT_1_WT,
+ [2] = MTL_PAT_3_UC,
[3] = MTL_PAT_0_WB | MTL_2_COH_1W,
[4] = MTL_PAT_0_WB | MTL_3_COH_2W,
};
--
2.39.2
More information about the Intel-xe
mailing list