From 71271280175aa0ed6673e40cce7c01296bcd05f6 Mon Sep 17 00:00:00 2001
From: Tejas Upadhyay <tejas.upadhyay@intel.com>
Date: Wed, 28 Feb 2024 16:07:38 +0530
Subject: [PATCH] drm/i915/mtl: Update workaround 14018575942
Applying WA 14018575942 only on Compute engine has impact on
some apps like chrome. Updating this WA to apply on Render
engine as well as it is helping with performance on Chrome.
Note: There is no concern from media team thus not applying
WA on media engines. We will revisit if any issues reported
from media team.
V2(Matt):
- Use correct WA number
Fixes: 668f37e1ee11 ("drm/i915/mtl: Update workaround 14018778641")
Signed-off-by: Tejas Upadhyay <tejas.upadhyay@intel.com>
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Reviewed-by: Andi Shyti <andi.shyti@linux.intel.com>
Signed-off-by: Andi Shyti <andi.shyti@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240228103738.2018458-1-tejas.upadhyay@intel.com
---
drivers/gpu/drm/i915/gt/intel_workarounds.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/gpu/drm/i915/gt/intel_workarounds.c b/drivers/gpu/drm/i915/gt/intel_workarounds.c
index 91814e3abd5c..4dec935cc89f 100644
--- a/drivers/gpu/drm/i915/gt/intel_workarounds.c
+++ b/drivers/gpu/drm/i915/gt/intel_workarounds.c
@@ -1652,6 +1652,7 @@ static void
xelpg_gt_workarounds_init(struct intel_gt *gt, struct i915_wa_list *wal)
{
/* Wa_14018575942 / Wa_18018781329 */
+ wa_mcr_write_or(wal, RENDER_MOD_CTRL, FORCE_MISS_FTLB);
wa_mcr_write_or(wal, COMP_MOD_CTRL, FORCE_MISS_FTLB);
/* Wa_22016670082 */