Apparently the last reader of i915->active_pipes was removed with commit ef79d62b5ce5 ("drm/i915: Encapsulate dbuf state handling harder"), and now it's only ever written to. Remove it completely. Cc: Stanislav Lisovskiy <stanislav.lisovskiy@xxxxxxxxx> Cc: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx> Signed-off-by: Jani Nikula <jani.nikula@xxxxxxxxx> --- drivers/gpu/drm/i915/display/intel_display.c | 4 +--- drivers/gpu/drm/i915/i915_drv.h | 6 ------ 2 files changed, 1 insertion(+), 9 deletions(-) diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c index fe5ad599c218..a692971b0209 100644 --- a/drivers/gpu/drm/i915/display/intel_display.c +++ b/drivers/gpu/drm/i915/display/intel_display.c @@ -3781,7 +3781,6 @@ static void intel_crtc_disable_noatomic(struct intel_crtc *crtc, intel_display_power_put_all_in_set(dev_priv, &crtc->enabled_power_domains); - dev_priv->active_pipes &= ~BIT(pipe); cdclk_state->min_cdclk[pipe] = 0; cdclk_state->min_voltage_level[pipe] = 0; cdclk_state->active_pipes &= ~BIT(pipe); @@ -12351,8 +12350,7 @@ static void intel_modeset_readout_hw_state(struct drm_device *dev) enableddisabled(crtc_state->hw.active)); } - dev_priv->active_pipes = cdclk_state->active_pipes = - dbuf_state->active_pipes = active_pipes; + cdclk_state->active_pipes = dbuf_state->active_pipes = active_pipes; readout_plane_state(dev_priv); diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index f64ba566fe8c..033031169d74 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -1015,12 +1015,6 @@ struct drm_i915_private { struct list_head global_obj_list; - /* - * For reading active_pipes holding any crtc lock is - * sufficient, for writing must hold all of them. - */ - u8 active_pipes; - struct i915_wa_list gt_wa_list; struct i915_frontbuffer_tracking fb_tracking; -- 2.20.1