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| author | Michał Winiarski <michal.winiarski@intel.com> | 2017-12-14 01:13:48 +0300 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk> | 2017-12-14 11:06:56 +0300 |
| commit | 61b5c1587dd82a8493d7838bb2f9289fd0903364 (patch) | |
| tree | fc0a3a50a3a821953c4fcfc397f2bd5cd7976baa /drivers/gpu/drm/i915/i915_gem.c | |
| parent | 3176ff49bc3e56871ec9f338cac759dacd0135e1 (diff) | |
| download | linux-61b5c1587dd82a8493d7838bb2f9289fd0903364.tar.xz | |
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.c | 8 |
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); |