We subclass drm_plane_state, so add mdp5_plane_atomic_print_state() to
dump out our own driver specific plane state.

Signed-off-by: Rob Clark <robdcl...@gmail.com>
---
 drivers/gpu/drm/msm/mdp/mdp5/mdp5_kms.h   | 12 ++++++++++++
 drivers/gpu/drm/msm/mdp/mdp5/mdp5_plane.c | 18 +++++++++++++++++-
 2 files changed, 29 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_kms.h 
b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_kms.h
index e4b3fb3..3502711 100644
--- a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_kms.h
+++ b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_kms.h
@@ -120,6 +120,18 @@ static inline u32 mdp5_read(struct mdp5_kms *mdp5_kms, u32 
reg)
        return msm_readl(mdp5_kms->mmio + reg);
 }
 
+static inline const char *stage2name(enum mdp_mixer_stage_id stage)
+{
+       static const char *names[] = {
+#define NAME(n) [n] = #n
+               NAME(STAGE_UNUSED), NAME(STAGE_BASE),
+               NAME(STAGE0), NAME(STAGE1), NAME(STAGE2),
+               NAME(STAGE3), NAME(STAGE4), NAME(STAGE6),
+#undef NAME
+       };
+       return names[stage];
+}
+
 static inline const char *pipe2name(enum mdp5_pipe pipe)
 {
        static const char *names[] = {
diff --git a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_plane.c 
b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_plane.c
index b6f1fc66..9f99b4d 100644
--- a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_plane.c
+++ b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_plane.c
@@ -16,6 +16,7 @@
  * this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
+#include <drm/drm_print.h>
 #include "mdp5_kms.h"
 
 struct mdp5_plane {
@@ -187,6 +188,20 @@ done:
 #undef SET_PROPERTY
 }
 
+static void
+mdp5_plane_atomic_print_state(struct drm_print *p,
+               const struct drm_plane_state *state)
+{
+       struct mdp5_plane_state *pstate = to_mdp5_plane_state(state);
+
+       drm_printf(p, "\tpremultiplied=%u\n", pstate->premultiplied);
+       drm_printf(p, "\tzpos=%u\n", pstate->zpos);
+       drm_printf(p, "\talpha=%u\n", pstate->alpha);
+       drm_printf(p, "\tstage=%s\n", stage2name(pstate->stage));
+       drm_printf(p, "\tmode_changed=%u\n", pstate->mode_changed);
+       drm_printf(p, "\tpending=%u\n", pstate->pending);
+}
+
 static void mdp5_plane_reset(struct drm_plane *plane)
 {
        struct mdp5_plane_state *mdp5_state;
@@ -250,6 +265,7 @@ static const struct drm_plane_funcs mdp5_plane_funcs = {
                .reset = mdp5_plane_reset,
                .atomic_duplicate_state = mdp5_plane_duplicate_state,
                .atomic_destroy_state = mdp5_plane_destroy_state,
+               .atomic_print_state = mdp5_plane_atomic_print_state,
 };
 
 static int mdp5_plane_prepare_fb(struct drm_plane *plane,
@@ -907,7 +923,7 @@ struct drm_plane *mdp5_plane_init(struct drm_device *dev,
        type = private_plane ? DRM_PLANE_TYPE_PRIMARY : DRM_PLANE_TYPE_OVERLAY;
        ret = drm_universal_plane_init(dev, plane, 0xff, &mdp5_plane_funcs,
                                 mdp5_plane->formats, mdp5_plane->nformats,
-                                type, NULL);
+                                type, "%s", mdp5_plane->name);
        if (ret)
                goto fail;
 
-- 
2.7.4

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