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authorChris Wilson <chris@chris-wilson.co.uk>2017-11-10 14:26:30 +0000
committerChris Wilson <chris@chris-wilson.co.uk>2017-11-10 17:20:27 +0000
commitcc6a818ad6bdb0d3008314cbd0fc9c9a2cd02695 (patch)
treea52035a871a4cbdf66d9017d3a3d1b993d7f3a15 /drivers/gpu/drm
parentf58d13d5717938d4dfcc82a2eeba0a6d7644f6e5 (diff)
drm/i915: Move intel_init_clock_gating() to i915_gem_init()
Despite its name intel_init_clock_gating applies both display clock gating workarounds; GT mmio workarounds and the occasional GT power context workaround. Worse, sometimes it includes a context register workaround which we need to apply before we record the default HW state for all contexts. Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Cc: Ville Syrjälä <ville.syrjala@linux.intel.com> Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com> Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20171110142634.10551-4-chris@chris-wilson.co.uk
Diffstat (limited to 'drivers/gpu/drm')
-rw-r--r--drivers/gpu/drm/i915/i915_gem.c17
-rw-r--r--drivers/gpu/drm/i915/intel_display.c2
2 files changed, 15 insertions, 4 deletions
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index 37586f703c1e..ed335612be25 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -5024,6 +5024,21 @@ int i915_gem_init(struct drm_i915_private *dev_priv)
intel_init_gt_powersave(dev_priv);
ret = i915_gem_init_hw(dev_priv);
+ if (ret)
+ goto out_unlock;
+
+ /*
+ * Despite its name intel_init_clock_gating applies both display
+ * clock gating workarounds; GT mmio workarounds and the occasional
+ * GT power context workaround. Worse, sometimes it includes a context
+ * register workaround which we need to apply before we record the
+ * default HW state for all contexts.
+ *
+ * FIXME: break up the workarounds and apply them at the right time!
+ */
+ intel_init_clock_gating(dev_priv);
+
+out_unlock:
if (ret == -EIO) {
/* Allow engine initialisation to fail by marking the GPU as
* wedged. But we only want to do this where the GPU is angry,
@@ -5035,8 +5050,6 @@ int i915_gem_init(struct drm_i915_private *dev_priv)
}
ret = 0;
}
-
-out_unlock:
intel_uncore_forcewake_put(dev_priv, FORCEWAKE_ALL);
mutex_unlock(&dev_priv->drm.struct_mutex);
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index da11ba898621..63cc09ade9d1 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -15198,8 +15198,6 @@ void intel_modeset_gem_init(struct drm_device *dev)
{
struct drm_i915_private *dev_priv = to_i915(dev);
- intel_init_clock_gating(dev_priv);
-
intel_setup_overlay(dev_priv);
}