diff options
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_display.c | 2 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_fbc.c | 28 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_fbc.h | 1 |
3 files changed, 19 insertions, 12 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c index 5b020ff89908..29044cf58b87 100644 --- a/drivers/gpu/drm/i915/display/intel_display.c +++ b/drivers/gpu/drm/i915/display/intel_display.c @@ -10430,6 +10430,8 @@ intel_modeset_setup_hw_state(struct drm_device *dev, intel_crtc_vblank_on(crtc_state); } + intel_fbc_sanitize(dev_priv); + intel_sanitize_plane_mapping(dev_priv); for_each_intel_encoder(dev, encoder) diff --git a/drivers/gpu/drm/i915/display/intel_fbc.c b/drivers/gpu/drm/i915/display/intel_fbc.c index 79be87cfe9e5..040098ef18bc 100644 --- a/drivers/gpu/drm/i915/display/intel_fbc.c +++ b/drivers/gpu/drm/i915/display/intel_fbc.c @@ -1703,22 +1703,26 @@ void intel_fbc_init(struct drm_i915_private *i915) drm_dbg_kms(&i915->drm, "Sanitized enable_fbc value: %d\n", i915->params.enable_fbc); - for_each_fbc_id(i915, fbc_id) { - struct intel_fbc *fbc; + for_each_fbc_id(i915, fbc_id) + i915->fbc[fbc_id] = intel_fbc_create(i915, fbc_id); +} - fbc = intel_fbc_create(i915, fbc_id); - if (!fbc) - continue; +/** + * intel_fbc_sanitize - Sanitize FBC + * @i915: the i915 device + * + * Make sure FBC is initially disabled since we have no + * idea eg. into which parts of stolen it might be scribbling + * into. + */ +void intel_fbc_sanitize(struct drm_i915_private *i915) +{ + struct intel_fbc *fbc; + enum intel_fbc_id fbc_id; - /* - * We still don't have any sort of hardware state readout - * for FBC, so deactivate it in case the BIOS activated it - * to make sure software matches the hardware state. - */ + for_each_intel_fbc(i915, fbc, fbc_id) { if (intel_fbc_hw_is_active(fbc)) intel_fbc_hw_deactivate(fbc); - - i915->fbc[fbc->id] = fbc; } } diff --git a/drivers/gpu/drm/i915/display/intel_fbc.h b/drivers/gpu/drm/i915/display/intel_fbc.h index 29e4216c2799..db60143295ec 100644 --- a/drivers/gpu/drm/i915/display/intel_fbc.h +++ b/drivers/gpu/drm/i915/display/intel_fbc.h @@ -30,6 +30,7 @@ void intel_fbc_post_update(struct intel_atomic_state *state, struct intel_crtc *crtc); void intel_fbc_init(struct drm_i915_private *dev_priv); void intel_fbc_cleanup(struct drm_i915_private *dev_priv); +void intel_fbc_sanitize(struct drm_i915_private *dev_priv); void intel_fbc_update(struct intel_atomic_state *state, struct intel_crtc *crtc); void intel_fbc_disable(struct intel_crtc *crtc); |