[PATCH 1/2] drm/etnaviv: Implement drm_gem_object_funcs::print_info()

Sui Jingfeng
2024-08-25T21:19:47Z

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

Signed-off-by: Sui Jingfeng <sui.jingfeng@linux.dev>
---
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 5c0c9d4e3be1..9a688c95f34d 100644
--- a/drivers/gpu/drm/etnaviv/etnaviv_gem.c
+++ b/drivers/gpu/drm/etnaviv/etnaviv_gem.c
@@ -533,8 +533,40 @@ 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;
}
--
2.34.1