From 406be3cc186eec67367b87a2af91cb598ff8e239 Mon Sep 17 00:00:00 2001
From: Matthew Auld <matthew.auld@intel.com>
Date: Fri, 6 Oct 2023 09:46:15 +0100
Subject: [PATCH] drm/xe/pat: trim the xelp PAT table
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
We don't seem to use the 4-7 pat indexes, even though they are defined
by the HW. In a future 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@intel.com>
Signed-off-by: Matthew Auld <matthew.auld@intel.com>
Cc: Pallavi Mishra <pallavi.mishra@intel.com>
Cc: Lucas De Marchi <lucas.demarchi@intel.com>
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com>
Reviewed-by: José Roberto de Souza <jose.souza@intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@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 31565ccbb0ec1..7c1078707aa0e 100644
--- a/drivers/gpu/drm/xe/xe_pat.c
+++ b/drivers/gpu/drm/xe/xe_pat.c
@@ -56,10 +56,6 @@ 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[] = {
--
GitLab