From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx> Drop the locks around most universal 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.syrjala@xxxxxxxxxxxxxxx> --- .../drm/i915/display/skl_universal_plane.c | 35 ------------------- 1 file changed, 35 deletions(-) diff --git a/drivers/gpu/drm/i915/display/skl_universal_plane.c b/drivers/gpu/drm/i915/display/skl_universal_plane.c index 5b1b089e045d..db9e31c12169 100644 --- a/drivers/gpu/drm/i915/display/skl_universal_plane.c +++ b/drivers/gpu/drm/i915/display/skl_universal_plane.c @@ -615,16 +615,11 @@ skl_plane_disable_arm(struct intel_plane *plane, struct drm_i915_private *dev_priv = to_i915(plane->base.dev); enum plane_id plane_id = plane->id; enum pipe pipe = plane->pipe; - unsigned long irqflags; - - spin_lock_irqsave(&dev_priv->uncore.lock, irqflags); skl_write_plane_wm(plane, crtc_state); intel_de_write_fw(dev_priv, PLANE_CTL(pipe, plane_id), 0); intel_de_write_fw(dev_priv, PLANE_SURF(pipe, plane_id), 0); - - spin_unlock_irqrestore(&dev_priv->uncore.lock, irqflags); } static void @@ -634,9 +629,6 @@ icl_plane_disable_arm(struct intel_plane *plane, struct drm_i915_private *dev_priv = to_i915(plane->base.dev); enum plane_id plane_id = plane->id; enum pipe pipe = plane->pipe; - unsigned long irqflags; - - spin_lock_irqsave(&dev_priv->uncore.lock, irqflags); if (icl_is_hdr_plane(dev_priv, plane_id)) intel_de_write_fw(dev_priv, PLANE_CUS_CTL(pipe, plane_id), 0); @@ -646,8 +638,6 @@ icl_plane_disable_arm(struct intel_plane *plane, intel_psr2_disable_plane_sel_fetch(plane, crtc_state); intel_de_write_fw(dev_priv, PLANE_CTL(pipe, plane_id), 0); intel_de_write_fw(dev_priv, PLANE_SURF(pipe, plane_id), 0); - - spin_unlock_irqrestore(&dev_priv->uncore.lock, irqflags); } static bool @@ -1106,7 +1096,6 @@ skl_plane_update_noarm(struct intel_plane *plane, int crtc_y = plane_state->uapi.dst.y1; u32 src_w = drm_rect_width(&plane_state->uapi.src) >> 16; u32 src_h = drm_rect_height(&plane_state->uapi.src) >> 16; - unsigned long irqflags; /* The scaler will handle the output position */ if (plane_state->scaler_id >= 0) { @@ -1114,8 +1103,6 @@ skl_plane_update_noarm(struct intel_plane *plane, crtc_y = 0; } - spin_lock_irqsave(&dev_priv->uncore.lock, irqflags); - intel_de_write_fw(dev_priv, PLANE_STRIDE(pipe, plane_id), PLANE_STRIDE_(stride)); intel_de_write_fw(dev_priv, PLANE_POS(pipe, plane_id), @@ -1124,8 +1111,6 @@ skl_plane_update_noarm(struct intel_plane *plane, PLANE_HEIGHT(src_h - 1) | PLANE_WIDTH(src_w - 1)); skl_write_plane_wm(plane, crtc_state); - - spin_unlock_irqrestore(&dev_priv->uncore.lock, irqflags); } static void @@ -1139,7 +1124,6 @@ skl_plane_update_arm(struct intel_plane *plane, u32 x = plane_state->view.color_plane[0].x; u32 y = plane_state->view.color_plane[0].y; u32 plane_ctl, plane_color_ctl = 0; - unsigned long irqflags; plane_ctl = plane_state->ctl | skl_plane_ctl_crtc(crtc_state); @@ -1148,8 +1132,6 @@ skl_plane_update_arm(struct intel_plane *plane, plane_color_ctl = plane_state->color_ctl | glk_plane_color_ctl_crtc(crtc_state); - spin_lock_irqsave(&dev_priv->uncore.lock, irqflags); - intel_de_write_fw(dev_priv, PLANE_KEYVAL(pipe, plane_id), skl_plane_keyval(plane_state)); intel_de_write_fw(dev_priv, PLANE_KEYMSK(pipe, plane_id), skl_plane_keymsk(plane_state)); intel_de_write_fw(dev_priv, PLANE_KEYMAX(pipe, plane_id), skl_plane_keymax(plane_state)); @@ -1185,8 +1167,6 @@ skl_plane_update_arm(struct intel_plane *plane, intel_de_write_fw(dev_priv, PLANE_CTL(pipe, plane_id), plane_ctl); intel_de_write_fw(dev_priv, PLANE_SURF(pipe, plane_id), skl_plane_surf(plane_state, 0)); - - spin_unlock_irqrestore(&dev_priv->uncore.lock, irqflags); } static void @@ -1207,7 +1187,6 @@ icl_plane_update_noarm(struct intel_plane *plane, int src_w = drm_rect_width(&plane_state->uapi.src) >> 16; int src_h = drm_rect_height(&plane_state->uapi.src) >> 16; u32 plane_color_ctl; - unsigned long irqflags; plane_color_ctl = plane_state->color_ctl | glk_plane_color_ctl_crtc(crtc_state); @@ -1218,8 +1197,6 @@ icl_plane_update_noarm(struct intel_plane *plane, crtc_y = 0; } - spin_lock_irqsave(&dev_priv->uncore.lock, irqflags); - intel_de_write_fw(dev_priv, PLANE_STRIDE(pipe, plane_id), PLANE_STRIDE_(stride)); intel_de_write_fw(dev_priv, PLANE_POS(pipe, plane_id), @@ -1263,8 +1240,6 @@ icl_plane_update_noarm(struct intel_plane *plane, icl_plane_csc_load_black(plane); intel_psr2_program_plane_sel_fetch(plane, crtc_state, plane_state, color_plane); - - spin_unlock_irqrestore(&dev_priv->uncore.lock, irqflags); } static void @@ -1277,13 +1252,10 @@ icl_plane_update_arm(struct intel_plane *plane, enum pipe pipe = plane->pipe; int color_plane = icl_plane_color_plane(plane_state); u32 plane_ctl; - unsigned long irqflags; plane_ctl = plane_state->ctl | skl_plane_ctl_crtc(crtc_state); - spin_lock_irqsave(&dev_priv->uncore.lock, irqflags); - /* * Enable the scaler before the plane so that we don't * get a catastrophic underrun even if the two operations @@ -1302,8 +1274,6 @@ icl_plane_update_arm(struct intel_plane *plane, intel_de_write_fw(dev_priv, PLANE_CTL(pipe, plane_id), plane_ctl); intel_de_write_fw(dev_priv, PLANE_SURF(pipe, plane_id), skl_plane_surf(plane_state, color_plane)); - - spin_unlock_irqrestore(&dev_priv->uncore.lock, irqflags); } static void @@ -1313,7 +1283,6 @@ skl_plane_async_flip(struct intel_plane *plane, bool async_flip) { struct drm_i915_private *dev_priv = to_i915(plane->base.dev); - unsigned long irqflags; enum plane_id plane_id = plane->id; enum pipe pipe = plane->pipe; u32 plane_ctl = plane_state->ctl; @@ -1323,13 +1292,9 @@ skl_plane_async_flip(struct intel_plane *plane, if (async_flip) plane_ctl |= PLANE_CTL_ASYNC_FLIP; - spin_lock_irqsave(&dev_priv->uncore.lock, irqflags); - intel_de_write_fw(dev_priv, PLANE_CTL(pipe, plane_id), plane_ctl); intel_de_write_fw(dev_priv, PLANE_SURF(pipe, plane_id), skl_plane_surf(plane_state, 0)); - - spin_unlock_irqrestore(&dev_priv->uncore.lock, irqflags); } static bool intel_format_is_p01x(u32 format) -- 2.34.1