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Subject[PATCH v7 8/9] drm/omap: add plane_atomic_print_state support
Date
From: Benoit Parrot <bparrot@ti.com>

Now that we added specific item to our subclassed drm_plane_state
we can add omap_plane_atomic_print_state() helper to dump out our own
driver specific plane state.

Signed-off-by: Benoit Parrot <bparrot@ti.com>
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
---
drivers/gpu/drm/omapdrm/omap_plane.c | 14 ++++++++++++++
1 file changed, 14 insertions(+)

diff --git a/drivers/gpu/drm/omapdrm/omap_plane.c b/drivers/gpu/drm/omapdrm/omap_plane.c
index ce5ed45401fb..23b752d837a4 100644
--- a/drivers/gpu/drm/omapdrm/omap_plane.c
+++ b/drivers/gpu/drm/omapdrm/omap_plane.c
@@ -348,6 +348,19 @@ omap_plane_atomic_duplicate_state(struct drm_plane *plane)
return &state->base;
}

+static void omap_plane_atomic_print_state(struct drm_printer *p,
+ const struct drm_plane_state *state)
+{
+ struct omap_plane_state *omap_state = to_omap_plane_state(state);
+
+ if (omap_state->overlay)
+ drm_printf(p, "\toverlay=%s (caps=0x%x)\n",
+ omap_state->overlay->name,
+ omap_state->overlay->caps);
+ else
+ drm_printf(p, "\toverlay=None\n");
+}
+
static int omap_plane_atomic_set_property(struct drm_plane *plane,
struct drm_plane_state *state,
struct drm_property *property,
@@ -387,6 +400,7 @@ static const struct drm_plane_funcs omap_plane_funcs = {
.atomic_destroy_state = drm_atomic_helper_plane_destroy_state,
.atomic_set_property = omap_plane_atomic_set_property,
.atomic_get_property = omap_plane_atomic_get_property,
+ .atomic_print_state = omap_plane_atomic_print_state,
};

static bool omap_plane_supports_yuv(struct drm_plane *plane)
--
2.25.1
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