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drm/i915/fbc: Remove intel_fbc_global_disable()
By the time intel_fbc_global_disable() gets called during driver teardown we should have already disabled all the crtcs, so no way FBC should be enabled at this point. And I have no idea what the other user (i915_restore_display()) is even trying to achieve. So let's just throw intel_fbc_global_disable() into the bin. Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20220315140001.1172-6-ville.syrjala@linux.intel.com Reviewed-by: Mika Kahola <mika.kahola@intel.com>
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7cfd1a18c5
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29118f126a
4 changed files with 0 additions and 26 deletions
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@ -10568,8 +10568,6 @@ void intel_modeset_driver_remove_noirq(struct drm_i915_private *i915)
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intel_unregister_dsm_handler();
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intel_fbc_global_disable(i915);
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/* flush any delayed tasks or pending work */
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flush_scheduled_work();
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@ -1517,25 +1517,6 @@ void intel_fbc_update(struct intel_atomic_state *state,
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}
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}
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/**
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* intel_fbc_global_disable - globally disable FBC
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* @i915: i915 device instance
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*
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* This function disables FBC regardless of which CRTC is associated with it.
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*/
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void intel_fbc_global_disable(struct drm_i915_private *i915)
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{
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struct intel_fbc *fbc;
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enum intel_fbc_id fbc_id;
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for_each_intel_fbc(i915, fbc, fbc_id) {
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mutex_lock(&fbc->lock);
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if (fbc->state.plane)
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__intel_fbc_disable(fbc);
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mutex_unlock(&fbc->lock);
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}
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}
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static void intel_fbc_underrun_work_fn(struct work_struct *work)
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{
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struct intel_fbc *fbc = container_of(work, typeof(*fbc), underrun_work);
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@ -33,7 +33,6 @@ void intel_fbc_cleanup(struct drm_i915_private *dev_priv);
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void intel_fbc_update(struct intel_atomic_state *state,
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struct intel_crtc *crtc);
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void intel_fbc_disable(struct intel_crtc *crtc);
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void intel_fbc_global_disable(struct drm_i915_private *dev_priv);
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void intel_fbc_invalidate(struct drm_i915_private *dev_priv,
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unsigned int frontbuffer_bits,
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enum fb_op_origin origin);
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@ -25,7 +25,6 @@
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*/
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#include "display/intel_de.h"
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#include "display/intel_fbc.h"
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#include "display/intel_gmbus.h"
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#include "display/intel_vga.h"
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@ -119,9 +118,6 @@ void i915_restore_display(struct drm_i915_private *dev_priv)
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if (GRAPHICS_VER(dev_priv) <= 4)
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intel_de_write(dev_priv, DSPARB, dev_priv->regfile.saveDSPARB);
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/* only restore FBC info on the platform that supports FBC*/
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intel_fbc_global_disable(dev_priv);
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intel_vga_redisable(dev_priv);
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intel_gmbus_reset(dev_priv);
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