Include the device id in the bus-id to give userspace a way to open the correct "cardN" when there are multiple device instances.
Signed-off-by: Rob Clark rob@ti.com --- drivers/gpu/drm/drm_platform.c | 5 +++-- 1 files changed, 3 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/drm_platform.c b/drivers/gpu/drm/drm_platform.c index 7223f06..2a8b626 100644 --- a/drivers/gpu/drm/drm_platform.c +++ b/drivers/gpu/drm/drm_platform.c @@ -123,14 +123,15 @@ static int drm_platform_set_busid(struct drm_device *dev, struct drm_master *mas { int len, ret;
- master->unique_len = 10 + strlen(dev->platformdev->name); + master->unique_len = 13 + strlen(dev->platformdev->name); + master->unique_size = master->unique_len; master->unique = kmalloc(master->unique_len + 1, GFP_KERNEL);
if (master->unique == NULL) return -ENOMEM;
len = snprintf(master->unique, master->unique_len, - "platform:%s", dev->platformdev->name); + "platform:%s:%02d", dev->platformdev->name, dev->platformdev->id);
if (len > master->unique_len) { DRM_ERROR("Unique buffer overflowed\n");