From 28a4a163b561c39ac0c798d420e0927f29e9d4c8 Mon Sep 17 00:00:00 2001 From: Rob Clark Date: Thu, 14 Jul 2011 03:12:43 +0000 Subject: drm: platform multi-device support 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 Signed-off-by: Dave Airlie --- drivers/gpu/drm/drm_platform.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) (limited to 'drivers/gpu/drm/drm_platform.c') diff --git a/drivers/gpu/drm/drm_platform.c b/drivers/gpu/drm/drm_platform.c index 7223f06d8e58..2a8b6265ad3d 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"); -- cgit v1.2.3