From: Radhakrishna Sripada <radhakrishna.sripada@intel.com>
To: intel-gfx@lists.freedesktop.org
Cc: Radhakrishna Sripada <radhakrishna.sripada@intel.com>,
Matt Roper <matthew.d.roper@intel.com>
Subject: [PATCH] drm/i915/mtl: Add Wa_14020495402
Date: Mon, 18 Mar 2024 12:35:58 -0700 [thread overview]
Message-ID: <20240318193558.387153-1-radhakrishna.sripada@intel.com> (raw)
Disable clockgating for TDL SVHS fub.
Bspec: 46045
Cc: Matt Roper <matthew.d.roper@intel.com>
Signed-off-by: Radhakrishna Sripada <radhakrishna.sripada@intel.com>
---
drivers/gpu/drm/i915/gt/intel_gt_regs.h | 1 +
drivers/gpu/drm/i915/gt/intel_workarounds.c | 3 +++
2 files changed, 4 insertions(+)
diff --git a/drivers/gpu/drm/i915/gt/intel_gt_regs.h b/drivers/gpu/drm/i915/gt/intel_gt_regs.h
index 50962cfd1353..860765cd2ad2 100644
--- a/drivers/gpu/drm/i915/gt/intel_gt_regs.h
+++ b/drivers/gpu/drm/i915/gt/intel_gt_regs.h
@@ -1215,6 +1215,7 @@
#define GEN12_DISABLE_EARLY_READ REG_BIT(14)
#define GEN12_ENABLE_LARGE_GRF_MODE REG_BIT(12)
#define GEN12_PUSH_CONST_DEREF_HOLD_DIS REG_BIT(8)
+#define MTL_DISABLE_TDL_SVHS_GATING REG_BIT(1)
#define GEN12_DISABLE_DOP_GATING REG_BIT(0)
#define RT_CTRL MCR_REG(0xe530)
diff --git a/drivers/gpu/drm/i915/gt/intel_workarounds.c b/drivers/gpu/drm/i915/gt/intel_workarounds.c
index b079cbbc1897..8a82aa93a08d 100644
--- a/drivers/gpu/drm/i915/gt/intel_workarounds.c
+++ b/drivers/gpu/drm/i915/gt/intel_workarounds.c
@@ -828,6 +828,9 @@ static void xelpg_ctx_workarounds_init(struct intel_engine_cs *engine,
/* Wa_14019877138 */
wa_mcr_masked_en(wal, XEHP_PSS_CHICKEN, FD_END_COLLECT);
+
+ /* Wa_14020495402 */
+ wa_mcr_masked_en(wal, GEN8_ROW_CHICKEN2, MTL_DISABLE_TDL_SVHS_GATING);
}
static void fakewa_disable_nestedbb_mode(struct intel_engine_cs *engine,
--
2.34.1
next reply other threads:[~2024-03-18 19:37 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-03-18 19:35 Radhakrishna Sripada [this message]
2024-03-18 19:53 ` [PATCH] drm/i915/mtl: Add Wa_14020495402 Matt Roper
2024-03-18 22:57 ` ✓ Fi.CI.BAT: success for " Patchwork
2024-03-19 6:59 ` ✗ Fi.CI.IGT: failure " Patchwork
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20240318193558.387153-1-radhakrishna.sripada@intel.com \
--to=radhakrishna.sripada@intel.com \
--cc=intel-gfx@lists.freedesktop.org \
--cc=matthew.d.roper@intel.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.