@@ -114,6 +114,13 @@ static void sun4i_backend_layer_atomic_update(struct drm_plane *plane,
sun4i_backend_layer_enable(backend, layer->id, true);
}
+static bool sun4i_layer_format_mod_supported(struct drm_plane *plane,
+ uint32_t format, uint64_t modifier)
+{
+ return sun4i_backend_format_is_supported(format, modifier) ||
+ sun4i_frontend_format_is_supported(format, modifier);
+}
+
static const struct drm_plane_helper_funcs sun4i_backend_layer_helper_funcs = {
.prepare_fb = drm_gem_fb_prepare_fb,
.atomic_disable = sun4i_backend_layer_atomic_disable,
@@ -127,6 +134,7 @@ static const struct drm_plane_funcs sun4i_backend_layer_funcs = {
.disable_plane = drm_atomic_helper_disable_plane,
.reset = sun4i_backend_layer_reset,
.update_plane = drm_atomic_helper_update_plane,
+ .format_mod_supported = sun4i_layer_format_mod_supported,
};
static const uint32_t sun4i_layer_formats[] = {
@@ -157,6 +165,12 @@ static const uint32_t sun4i_layer_formats[] = {
DRM_FORMAT_YVYU,
};
+static const uint64_t sun4i_layer_modifiers[] = {
+ DRM_FORMAT_MOD_LINEAR,
+ DRM_FORMAT_MOD_ALLWINNER_TILED,
+ DRM_FORMAT_MOD_INVALID
+};
+
static struct sun4i_layer *sun4i_layer_init_one(struct drm_device *drm,
struct sun4i_backend *backend,
enum drm_plane_type type)
@@ -173,7 +187,7 @@ static struct sun4i_layer *sun4i_layer_init_one(struct drm_device *drm,
&sun4i_backend_layer_funcs,
sun4i_layer_formats,
ARRAY_SIZE(sun4i_layer_formats),
- NULL, type, NULL);
+ sun4i_layer_modifiers, type, NULL);
if (ret) {
dev_err(drm->dev, "Couldn't initialize layer\n");
return ERR_PTR(ret);
This introduces a list of supported modifiers for the driver, that includes the Allwinner tiled modifier, as well as a format_mod_supported callback. The callback uses both the backend and frontend helpers to indicate per-format modifier support (including for the linear modifier). Signed-off-by: Paul Kocialkowski <paul.kocialkowski@bootlin.com> --- drivers/gpu/drm/sun4i/sun4i_layer.c | 16 +++++++++++++++- 1 file changed, 15 insertions(+), 1 deletion(-)