From: Matthew Brost <matthew.brost@intel.com>
To: <intel-gfx@lists.freedesktop.org>, <dri-devel@lists.freedesktop.org>
Subject: [PATCH] drm/i915: Disable bonding on gen12+ platforms
Date: Wed, 28 Jul 2021 12:21:00 -0700 [thread overview]
Message-ID: <20210728192100.132425-1-matthew.brost@intel.com> (raw)
Disable bonding on gen12+ platforms aside from ones already supported by
the i915 - TGL, RKL, and ADL-S.
Signed-off-by: Matthew Brost <matthew.brost@intel.com>
---
drivers/gpu/drm/i915/gem/i915_gem_context.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_context.c b/drivers/gpu/drm/i915/gem/i915_gem_context.c
index 05c3ee191710..9c3672bac0e2 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_context.c
+++ b/drivers/gpu/drm/i915/gem/i915_gem_context.c
@@ -446,6 +446,13 @@ set_proto_ctx_engines_bond(struct i915_user_extension __user *base, void *data)
u16 idx, num_bonds;
int err, n;
+ if (GRAPHICS_VER(i915) >= 12 && !IS_TIGERLAKE(i915) &&
+ !IS_ROCKETLAKE(i915) && !IS_ALDERLAKE_S(i915)) {
+ drm_dbg(&i915->drm,
+ "Bonding on gen12+ aside from TGL, RKL, and ADL_S not allowed\n");
+ return -ENODEV;
+ }
+
if (get_user(idx, &ext->virtual_index))
return -EFAULT;
--
2.28.0
next reply other threads:[~2021-07-28 19:03 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-07-28 19:21 Matthew Brost [this message]
2021-08-06 18:25 ` [Intel-gfx] [PATCH] drm/i915: Disable bonding on gen12+ platforms John Harrison
2021-08-06 18:54 ` Daniel Vetter
2021-08-07 5:02 ` Matt Roper
2021-11-26 13:03 ` Tvrtko Ursulin
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