diff options
| author | Rob Clark <rob@ti.com> | 2011-09-01 07:59:41 +0100 |
|---|---|---|
| committer | Andy Green <andy.green@linaro.org> | 2011-09-01 07:59:41 +0100 |
| commit | 301f11c838bdc8109bc14eafcb22607dac099f5b (patch) | |
| tree | 0049806beaba5aa01d297234e9a94e11a1144d51 | |
| parent | 37d2ca480767dc29f49ec5d91423acd49748b6d6 (diff) | |
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 <rob@ti.com>
| -rw-r--r-- | 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 7223f06d8e5..2a8b6265ad3 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"); |