drm: mali-dp: add atomic_print_state for planes

Add function to dump the state of the plane.

Signed-off-by: Mihail Atanassov <mihail.atanassov@arm.com>
Signed-off-by: Liviu Dudau <Liviu.Dudau@arm.com>

1 files changed, 13 insertions, 0 deletions

diff --git a/drivers/gpu/drm/arm/malidp_planes.c b/drivers/gpu/drm/arm/malidp_planes.c
index d5aec082294c..5b0bad87f0b5 100644
--- a/drivers/gpu/drm/arm/malidp_planes.c
+++ b/drivers/gpu/drm/arm/malidp_planes.c
@@ -16,6 +16,7 @@
 #include <drm/drm_fb_cma_helper.h>
 #include <drm/drm_gem_cma_helper.h>
 #include <drm/drm_plane_helper.h>
+#include <drm/drm_print.h>
 
 #include "malidp_hw.h"
 #include "malidp_drv.h"
@@ -90,6 +91,17 @@ static void malidp_destroy_plane_state(struct drm_plane *plane,
         kfree(m_state);
 }
 
+static void malidp_plane_atomic_print_state(struct drm_printer *p,
+                                            const struct drm_plane_state *state)
+{
+        struct malidp_plane_state *ms = to_malidp_plane_state(state);
+        struct malidp_plane *mp = to_malidp_plane(state->plane);
+
+        drm_printf(p, "\trotmem_size=%u\n", ms->rotmem_size);
+        drm_printf(p, "\tformat_id=%u\n", ms->format);
+        drm_printf(p, "\tn_planes=%u\n", ms->n_planes);
+}
+
 static const struct drm_plane_funcs malidp_de_plane_funcs = {
         .update_plane = drm_atomic_helper_update_plane,
         .disable_plane = drm_atomic_helper_disable_plane,
@@ -98,6 +110,7 @@ static const struct drm_plane_funcs malidp_de_plane_funcs = {
         .reset = drm_atomic_helper_plane_reset,
         .atomic_duplicate_state = malidp_duplicate_plane_state,
         .atomic_destroy_state = malidp_destroy_plane_state,
+        .atomic_print_state = malidp_plane_atomic_print_state,
 };
 
 static int malidp_de_plane_check(struct drm_plane *plane,