[PATCH RFC v2 11/18] drm/vkms: Introduce config for CRTC name

[Louis Chauvet]

As a CRTC will be a directory in ConfigFS, add the name configuration for
CRTC name so we will be able to reflect the configfs directory name in the
drm name.

Signed-off-by: Louis Chauvet <louis.chau...@bootlin.com>
---
 drivers/gpu/drm/vkms/vkms_config.c | 5 +++++
 drivers/gpu/drm/vkms/vkms_config.h | 2 ++
 drivers/gpu/drm/vkms/vkms_crtc.c   | 2 +-
 3 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/vkms/vkms_config.c 
b/drivers/gpu/drm/vkms/vkms_config.c
index 
a2539fb56b602569b75748fdf9c4784f104b0bff..3252f657ce515c0193a8c0e709bfe861feba0aca
 100644
--- a/drivers/gpu/drm/vkms/vkms_config.c
+++ b/drivers/gpu/drm/vkms/vkms_config.c
@@ -37,6 +37,10 @@ struct vkms_config *vkms_config_alloc_default(bool 
enable_writeback, bool enable
        if (!crtc)
                goto err_alloc;
        crtc->writeback = enable_writeback;
+       crtc->name = kzalloc(sizeof("Main CRTC"), GFP_KERNEL);
+       if (!crtc->name)
+               goto err_alloc;
+       sprintf(crtc->name, "Main CRTC");
 
        encoder = vkms_config_create_encoder(vkms_config);
        if (!encoder)
@@ -219,6 +223,7 @@ void vkms_config_delete_crtc(struct vkms_config_crtc 
*vkms_config_crtc,
                }
        }
 
+       kfree(vkms_config_crtc->name);
        kfree(vkms_config_crtc);
 }
 
diff --git a/drivers/gpu/drm/vkms/vkms_config.h 
b/drivers/gpu/drm/vkms/vkms_config.h
index 
4223edd94ec270915dd658c0b5efd489554d33a5..4a4c16dea7855cf36060986ef247be698974fafc
 100644
--- a/drivers/gpu/drm/vkms/vkms_config.h
+++ b/drivers/gpu/drm/vkms/vkms_config.h
@@ -29,6 +29,7 @@ struct vkms_config {
  * struct vkms_config_crtc
  *
  * @link: Link to the others CRTCs
+ * @name: Name of the CRTC
  * @possible_planes: List of planes that can be used with this CRTC
  * @possible_encoders: List of encoders that can be used with this CRTC
  * @crtc: Internal usage. This pointer should never be considered as valid. It 
can be used to
@@ -38,6 +39,7 @@ struct vkms_config {
 struct vkms_config_crtc {
        struct list_head link;
 
+       char *name;
        bool writeback;
        struct xarray possible_planes;
        struct xarray possible_encoders;
diff --git a/drivers/gpu/drm/vkms/vkms_crtc.c b/drivers/gpu/drm/vkms/vkms_crtc.c
index 
3825fba57c012f84cbe67114e053dcd7fcfa283d..25a3d97a362afd0d40f3e023d9cce985d447a880
 100644
--- a/drivers/gpu/drm/vkms/vkms_crtc.c
+++ b/drivers/gpu/drm/vkms/vkms_crtc.c
@@ -292,7 +292,7 @@ struct vkms_crtc *vkms_crtc_init(struct vkms_device 
*vkms_device,
 
        vkms_crtc = drmm_crtc_alloc_with_planes(dev, struct vkms_crtc, base,
                                                primary, cursor,
-                                               &vkms_crtc_funcs, NULL);
+                                               &vkms_crtc_funcs, config->name);
        if (IS_ERR(vkms_crtc)) {
                DRM_DEV_ERROR(dev->dev, "Failed to init CRTC\n");
                return vkms_crtc;

-- 
2.47.0