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authorMichał Winiarski <michal.winiarski@intel.com>2017-12-13 23:13:48 +0100
committerChris Wilson <chris@chris-wilson.co.uk>2017-12-14 08:06:56 +0000
commit61b5c1587dd82a8493d7838bb2f9289fd0903364 (patch)
treefc0a3a50a3a821953c4fcfc397f2bd5cd7976baa /drivers/gpu/drm/i915/i915_gem.c
parent3176ff49bc3e56871ec9f338cac759dacd0135e1 (diff)
drm/i915/guc: Extract guc_init from guc_init_hw
After GPU reset, GuC HW needs to be reinitialized (with FW reload). Unfortunately, we're doing some extra work there (mostly allocating stuff), work that can be moved to guc_init and called once at driver load time. As a side effect we're no longer hitting an assert in i915_ggtt_enable_guc on suspend/resume. v2: Do not duplicate disable_communication / reset_guc_interrupts v3: Add proper teardown after rebase References: 04f7b24eccdf ("drm/i915/guc: Assert that we switch between known ggtt->invalidate functions") Signed-off-by: Michał Winiarski <michal.winiarski@intel.com> Cc: Chris Wilson <chris@chris-wilson.co.uk> Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com> Cc: Michal Wajdeczko <michal.wajdeczko@intel.com> Cc: Sagar Arun Kamble <sagar.a.kamble@intel.com> Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk> Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Link: https://patchwork.freedesktop.org/patch/msgid/20171213221352.7173-3-michal.winiarski@intel.com
Diffstat (limited to 'drivers/gpu/drm/i915/i915_gem.c')
-rw-r--r--drivers/gpu/drm/i915/i915_gem.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index 2c13e3a4f45a..4a7f5579a7a5 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -5196,10 +5196,14 @@ int i915_gem_init(struct drm_i915_private *dev_priv)
intel_init_gt_powersave(dev_priv);
- ret = i915_gem_init_hw(dev_priv);
+ ret = intel_uc_init(dev_priv);
if (ret)
goto err_pm;
+ ret = i915_gem_init_hw(dev_priv);
+ if (ret)
+ goto err_uc_init;
+
/*
* Despite its name intel_init_clock_gating applies both display
* clock gating workarounds; GT mmio workarounds and the occasional
@@ -5240,6 +5244,8 @@ err_init_hw:
i915_gem_wait_for_idle(dev_priv, I915_WAIT_LOCKED);
i915_gem_contexts_lost(dev_priv);
intel_uc_fini_hw(dev_priv);
+err_uc_init:
+ intel_uc_fini(dev_priv);
err_pm:
if (ret != -EIO) {
intel_cleanup_gt_powersave(dev_priv);