From: Ville Syrjälä <ville.syrj...@linux.intel.com>

Bspec talks about Y planes, not planar slaves. Switch to using the
same erminology to make life a bit less confusing.

Signed-off-by: Ville Syrjälä <ville.syrj...@linux.intel.com>
---
 drivers/gpu/drm/i915/display/intel_atomic_plane.c   |  4 ++--
 drivers/gpu/drm/i915/display/intel_display.c        |  8 ++++----
 .../gpu/drm/i915/display/intel_display_debugfs.c    |  6 +++---
 drivers/gpu/drm/i915/display/intel_display_types.h  | 13 +++----------
 drivers/gpu/drm/i915/display/skl_universal_plane.c  |  3 +--
 drivers/gpu/drm/i915/display/skl_watermark.c        |  4 ++--
 6 files changed, 15 insertions(+), 23 deletions(-)

diff --git a/drivers/gpu/drm/i915/display/intel_atomic_plane.c 
b/drivers/gpu/drm/i915/display/intel_atomic_plane.c
index b7af33c5dd3f..650801cb400c 100644
--- a/drivers/gpu/drm/i915/display/intel_atomic_plane.c
+++ b/drivers/gpu/drm/i915/display/intel_atomic_plane.c
@@ -841,7 +841,7 @@ void intel_crtc_planes_update_noarm(struct intel_dsb *dsb,
 
                /* TODO: for mailbox updates this should be skipped */
                if (new_plane_state->uapi.visible ||
-                   new_plane_state->planar_slave)
+                   new_plane_state->is_y_plane)
                        intel_plane_update_noarm(dsb, plane,
                                                 new_crtc_state, 
new_plane_state);
        }
@@ -874,7 +874,7 @@ static void skl_crtc_planes_update_arm(struct intel_dsb 
*dsb,
                 * would have to be called here as well.
                 */
                if (new_plane_state->uapi.visible ||
-                   new_plane_state->planar_slave)
+                   new_plane_state->is_y_plane)
                        intel_plane_update_arm(dsb, plane, new_crtc_state, 
new_plane_state);
                else
                        intel_plane_disable_arm(dsb, plane, new_crtc_state);
diff --git a/drivers/gpu/drm/i915/display/intel_display.c 
b/drivers/gpu/drm/i915/display/intel_display.c
index 68ae8770dc4f..875597007461 100644
--- a/drivers/gpu/drm/i915/display/intel_display.c
+++ b/drivers/gpu/drm/i915/display/intel_display.c
@@ -4424,7 +4424,7 @@ static int icl_check_nv12_planes(struct 
intel_atomic_state *state,
                        continue;
 
                plane_state->planar_linked_plane = NULL;
-               if (plane_state->planar_slave && !plane_state->uapi.visible) {
+               if (plane_state->is_y_plane && !plane_state->uapi.visible) {
                        crtc_state->enabled_planes &= ~BIT(plane->id);
                        crtc_state->active_planes &= ~BIT(plane->id);
                        crtc_state->update_planes |= BIT(plane->id);
@@ -4432,7 +4432,7 @@ static int icl_check_nv12_planes(struct 
intel_atomic_state *state,
                        crtc_state->rel_data_rate[plane->id] = 0;
                }
 
-               plane_state->planar_slave = false;
+               plane_state->is_y_plane = false;
        }
 
        if (!crtc_state->nv12_planes)
@@ -4469,7 +4469,7 @@ static int icl_check_nv12_planes(struct 
intel_atomic_state *state,
 
                plane_state->planar_linked_plane = linked;
 
-               linked_state->planar_slave = true;
+               linked_state->is_y_plane = true;
                linked_state->planar_linked_plane = plane;
                crtc_state->enabled_planes |= BIT(linked->id);
                crtc_state->active_planes |= BIT(linked->id);
@@ -5812,7 +5812,7 @@ intel_verify_planes(struct intel_atomic_state *state)
 
        for_each_new_intel_plane_in_state(state, plane,
                                          plane_state, i)
-               assert_plane(plane, plane_state->planar_slave ||
+               assert_plane(plane, plane_state->is_y_plane ||
                             plane_state->uapi.visible);
 }
 
diff --git a/drivers/gpu/drm/i915/display/intel_display_debugfs.c 
b/drivers/gpu/drm/i915/display/intel_display_debugfs.c
index 926f09c35084..95484eec3b0a 100644
--- a/drivers/gpu/drm/i915/display/intel_display_debugfs.c
+++ b/drivers/gpu/drm/i915/display/intel_display_debugfs.c
@@ -365,8 +365,8 @@ static const char *plane_visibility(const struct 
intel_plane_state *plane_state)
        if (plane_state->uapi.visible)
                return "visible";
 
-       if (plane_state->planar_slave)
-               return "planar-slave";
+       if (plane_state->is_y_plane)
+               return "Y plane";
 
        return "hidden";
 }
@@ -399,7 +399,7 @@ static void intel_plane_uapi_info(struct seq_file *m, 
struct intel_plane *plane)
        if (plane_state->planar_linked_plane)
                seq_printf(m, "\t\tplanar: Linked to [PLANE:%d:%s] as a %s\n",
                           plane_state->planar_linked_plane->base.base.id, 
plane_state->planar_linked_plane->base.name,
-                          plane_state->planar_slave ? "slave" : "master");
+                          plane_state->is_y_plane ? "Y plane" : "UV plane");
 }
 
 static void intel_plane_hw_info(struct seq_file *m, struct intel_plane *plane)
diff --git a/drivers/gpu/drm/i915/display/intel_display_types.h 
b/drivers/gpu/drm/i915/display/intel_display_types.h
index cb51b7936f93..5785c7b6bc39 100644
--- a/drivers/gpu/drm/i915/display/intel_display_types.h
+++ b/drivers/gpu/drm/i915/display/intel_display_types.h
@@ -638,6 +638,9 @@ struct intel_plane_state {
        /* Plane state to display black pixels when pxp is borked */
        bool force_black;
 
+       /* Acting as Y plane for another UV plane? */
+       bool is_y_plane;
+
        /* plane control register */
        u32 ctl;
 
@@ -677,16 +680,6 @@ struct intel_plane_state {
         */
        struct intel_plane *planar_linked_plane;
 
-       /*
-        * planar_slave:
-        * If set don't update use the linked plane's state for updating
-        * this plane during atomic commit with the update_slave() callback.
-        *
-        * It's also used by the watermark code to ignore wm calculations on
-        * this plane. They're calculated by the linked plane's wm code.
-        */
-       u32 planar_slave;
-
        struct drm_intel_sprite_colorkey ckey;
 
        struct drm_rect psr2_sel_fetch_area;
diff --git a/drivers/gpu/drm/i915/display/skl_universal_plane.c 
b/drivers/gpu/drm/i915/display/skl_universal_plane.c
index 301ad3a22c4c..d5e5b76c5b38 100644
--- a/drivers/gpu/drm/i915/display/skl_universal_plane.c
+++ b/drivers/gpu/drm/i915/display/skl_universal_plane.c
@@ -1380,8 +1380,7 @@ static void icl_plane_csc_load_black(struct intel_dsb 
*dsb,
 
 static int icl_plane_color_plane(const struct intel_plane_state *plane_state)
 {
-       /* Program the UV plane on planar master */
-       if (plane_state->planar_linked_plane && !plane_state->planar_slave)
+       if (plane_state->planar_linked_plane && !plane_state->is_y_plane)
                return 1;
        else
                return 0;
diff --git a/drivers/gpu/drm/i915/display/skl_watermark.c 
b/drivers/gpu/drm/i915/display/skl_watermark.c
index 45fe4aaeb450..5ab8e8433dfd 100644
--- a/drivers/gpu/drm/i915/display/skl_watermark.c
+++ b/drivers/gpu/drm/i915/display/skl_watermark.c
@@ -2259,8 +2259,8 @@ static int icl_build_plane_wm(struct intel_crtc_state 
*crtc_state,
        struct skl_plane_wm *wm = &crtc_state->wm.skl.raw.planes[plane_id];
        int ret;
 
-       /* Watermarks calculated in master */
-       if (plane_state->planar_slave)
+       /* Watermarks calculated on UV plane */
+       if (plane_state->is_y_plane)
                return 0;
 
        memset(wm, 0, sizeof(*wm));
-- 
2.45.3

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