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From: Michel Thierry <michel.thierry@intel.com>
To: intel-gfx@lists.freedesktop.org
Subject: [PATCH 1/2] drm/i915: WaEnableForceRestoreInCtxtDescForVCS is for video engines only
Date: Fri,  4 Sep 2015 12:59:14 +0100	[thread overview]
Message-ID: <1441367955-22006-1-git-send-email-michel.thierry@intel.com> (raw)

Also check for correct revision id in each Gen9 platform (SKL until B0
and BXT until A0).

Cc: Nick Hoath <nicholas.hoath@intel.com>
Signed-off-by: Michel Thierry <michel.thierry@intel.com>
---
 drivers/gpu/drm/i915/intel_lrc.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/i915/intel_lrc.c b/drivers/gpu/drm/i915/intel_lrc.c
index 28a712e..d8b605f 100644
--- a/drivers/gpu/drm/i915/intel_lrc.c
+++ b/drivers/gpu/drm/i915/intel_lrc.c
@@ -301,10 +301,10 @@ uint64_t intel_lr_context_descriptor(struct intel_context *ctx,
 	/* desc |= GEN8_CTX_FORCE_RESTORE; */
 
 	/* WaEnableForceRestoreInCtxtDescForVCS:skl */
-	if (IS_GEN9(dev) &&
-	    INTEL_REVID(dev) <= SKL_REVID_B0 &&
-	    (ring->id == BCS || ring->id == VCS ||
-	    ring->id == VECS || ring->id == VCS2))
+	/* WaEnableForceRestoreInCtxtDescForVCS:bxt */
+	if (((IS_SKYLAKE(dev) && INTEL_REVID(dev) <= SKL_REVID_B0) ||
+	     (IS_BROXTON(dev) && INTEL_REVID(dev) == BXT_REVID_A0)) &&
+	    (ring->id == VCS || ring->id == VCS2))
 		desc |= GEN8_CTX_FORCE_RESTORE;
 
 	return desc;
-- 
2.5.1

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             reply	other threads:[~2015-09-04 11:59 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-09-04 11:59 Michel Thierry [this message]
2015-09-04 11:59 ` [PATCH 2/2] drm/i915/lrc: Prevent preemption when lite-restore is disabled Michel Thierry
2015-09-04 16:15   ` Daniele Ceraolo Spurio
2015-09-10 17:37   ` Arun Siluvery
2015-09-14  8:25     ` Daniel Vetter
2015-09-10 17:34 ` [PATCH 1/2] drm/i915: WaEnableForceRestoreInCtxtDescForVCS is for video engines only Arun Siluvery

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