From 4a5fdc962fc4ce143791496def78c2acc3e51810 Mon Sep 17 00:00:00 2001
From: Chris Wilson <chris@chris-wilson.co.uk>
Date: Fri, 5 Jul 2019 13:43:25 +0100
Subject: drm/i915/gt: Remove presumption of RCS0
Git-commit: 4a5fdc962fc4ce143791496def78c2acc3e51810
Patch-mainline: v5.4-rc1
References: bsc#1152489
We now track features correctly instead of probing i915->engine[RCS0]
which is much more flexible and avoids any nasty surprises.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190705124325.14270-2-chris@chris-wilson.co.uk
Acked-by: Thomas Zimmermann <tzimmermann@suse.de>
---
drivers/gpu/drm/i915/gt/intel_engine_cs.c | 6 ------
1 file changed, 6 deletions(-)
diff --git a/drivers/gpu/drm/i915/gt/intel_engine_cs.c b/drivers/gpu/drm/i915/gt/intel_engine_cs.c
index df5932f5f578..bdf279fa3b2e 100644
--- a/drivers/gpu/drm/i915/gt/intel_engine_cs.c
+++ b/drivers/gpu/drm/i915/gt/intel_engine_cs.c
@@ -448,12 +448,6 @@ int intel_engines_init_mmio(struct drm_i915_private *i915)
if (WARN_ON(mask != engine_mask))
device_info->engine_mask = mask;
- /* We always presume we have at least RCS available for later probing */
- if (WARN_ON(!HAS_ENGINE(i915, RCS0))) {
- err = -ENODEV;
- goto cleanup;
- }
-
RUNTIME_INFO(i915)->num_engines = hweight32(mask);
intel_gt_check_and_clear_faults(&i915->gt);
--
2.28.0