From: Ville Syrjälä <ville.syrj...@linux.intel.com> Drop the locks around cursor plane register writes. The lock isn't needed since each plane's register are neatly contained on their own cachelines.
Signed-off-by: Ville Syrjälä <ville.syrj...@linux.intel.com> --- drivers/gpu/drm/i915/display/intel_cursor.c | 10 ---------- 1 file changed, 10 deletions(-) diff --git a/drivers/gpu/drm/i915/display/intel_cursor.c b/drivers/gpu/drm/i915/display/intel_cursor.c index 2ade8fdd9bdd..625c1fb68273 100644 --- a/drivers/gpu/drm/i915/display/intel_cursor.c +++ b/drivers/gpu/drm/i915/display/intel_cursor.c @@ -255,7 +255,6 @@ static void i845_cursor_update_arm(struct intel_plane *plane, { struct drm_i915_private *dev_priv = to_i915(plane->base.dev); u32 cntl = 0, base = 0, pos = 0, size = 0; - unsigned long irqflags; if (plane_state && plane_state->uapi.visible) { unsigned int width = drm_rect_width(&plane_state->uapi.dst); @@ -270,8 +269,6 @@ static void i845_cursor_update_arm(struct intel_plane *plane, pos = intel_cursor_position(plane_state); } - spin_lock_irqsave(&dev_priv->uncore.lock, irqflags); - /* On these chipsets we can only modify the base/size/stride * whilst the cursor is disabled. */ @@ -290,8 +287,6 @@ static void i845_cursor_update_arm(struct intel_plane *plane, } else { intel_de_write_fw(dev_priv, CURPOS(PIPE_A), pos); } - - spin_unlock_irqrestore(&dev_priv->uncore.lock, irqflags); } static void i845_cursor_disable_arm(struct intel_plane *plane, @@ -492,7 +487,6 @@ static void i9xx_cursor_update_arm(struct intel_plane *plane, struct drm_i915_private *dev_priv = to_i915(plane->base.dev); enum pipe pipe = plane->pipe; u32 cntl = 0, base = 0, pos = 0, fbc_ctl = 0; - unsigned long irqflags; if (plane_state && plane_state->uapi.visible) { int width = drm_rect_width(&plane_state->uapi.dst); @@ -508,8 +502,6 @@ static void i9xx_cursor_update_arm(struct intel_plane *plane, pos = intel_cursor_position(plane_state); } - spin_lock_irqsave(&dev_priv->uncore.lock, irqflags); - /* * On some platforms writing CURCNTR first will also * cause CURPOS to be armed by the CURBASE write. @@ -555,8 +547,6 @@ static void i9xx_cursor_update_arm(struct intel_plane *plane, intel_de_write_fw(dev_priv, CURPOS(pipe), pos); intel_de_write_fw(dev_priv, CURBASE(pipe), base); } - - spin_unlock_irqrestore(&dev_priv->uncore.lock, irqflags); } static void i9xx_cursor_disable_arm(struct intel_plane *plane, -- 2.34.1