[PATCH v15 01/19] drm/etnaviv: Implement drm_gem_object_funcs::print_info()

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It will be called by drm_gem_print_info() if implemented, and it can
provide more information about the framebuffer objects.

Signed-off-by: Sui Jingfeng <sui.jingfeng@xxxxxxxxx>
---
 drivers/gpu/drm/etnaviv/etnaviv_gem.c | 32 +++++++++++++++++++++++++++
 drivers/gpu/drm/etnaviv/etnaviv_gem.h |  2 +-
 2 files changed, 33 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/etnaviv/etnaviv_gem.c b/drivers/gpu/drm/etnaviv/etnaviv_gem.c
index 4247a10f8d4f..543d881585b3 100644
--- a/drivers/gpu/drm/etnaviv/etnaviv_gem.c
+++ b/drivers/gpu/drm/etnaviv/etnaviv_gem.c
@@ -534,8 +534,40 @@ static const struct vm_operations_struct vm_ops = {
 	.close = drm_gem_vm_close,
 };
 
+static const char *etnaviv_gem_obj_caching_info(u32 flags)
+{
+	switch (flags & ETNA_BO_CACHE_MASK) {
+	case ETNA_BO_CACHED:
+		return "cached";
+	case ETNA_BO_UNCACHED:
+		return "uncached";
+	case ETNA_BO_WC:
+		return "write-combine";
+	default:
+		break;
+	}
+
+	return "unknown";
+}
+
+static void etnaviv_gem_object_info(struct drm_printer *p,
+				    unsigned int indent,
+				    const struct drm_gem_object *obj)
+{
+	const struct etnaviv_gem_object *etnaviv_obj;
+
+	etnaviv_obj = container_of(obj, struct etnaviv_gem_object, base);
+
+	drm_printf_indent(p, indent, "caching mode=%s\n",
+			  etnaviv_gem_obj_caching_info(etnaviv_obj->flags));
+	drm_printf_indent(p, indent, "active=%s\n",
+			  str_yes_no(is_active(etnaviv_obj)));
+	drm_printf_indent(p, indent, "vaddr=%p\n", etnaviv_obj->vaddr);
+}
+
 static const struct drm_gem_object_funcs etnaviv_gem_object_funcs = {
 	.free = etnaviv_gem_free_object,
+	.print_info = etnaviv_gem_object_info,
 	.pin = etnaviv_gem_prime_pin,
 	.unpin = etnaviv_gem_prime_unpin,
 	.get_sg_table = etnaviv_gem_prime_get_sg_table,
diff --git a/drivers/gpu/drm/etnaviv/etnaviv_gem.h b/drivers/gpu/drm/etnaviv/etnaviv_gem.h
index a42d260cac2c..3f8fe19a77cc 100644
--- a/drivers/gpu/drm/etnaviv/etnaviv_gem.h
+++ b/drivers/gpu/drm/etnaviv/etnaviv_gem.h
@@ -68,7 +68,7 @@ struct etnaviv_gem_ops {
 	int (*mmap)(struct etnaviv_gem_object *, struct vm_area_struct *);
 };
 
-static inline bool is_active(struct etnaviv_gem_object *etnaviv_obj)
+static inline bool is_active(const struct etnaviv_gem_object *etnaviv_obj)
 {
 	return atomic_read(&etnaviv_obj->gpu_active) != 0;
 }
-- 
2.43.0




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