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Diffstat (limited to 'drivers/gpu/drm/radeon/atombios_encoders.c')
-rw-r--r--drivers/gpu/drm/radeon/atombios_encoders.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/gpu/drm/radeon/atombios_encoders.c b/drivers/gpu/drm/radeon/atombios_encoders.c
index 49cbb3795a10..ba498f8e47a2 100644
--- a/drivers/gpu/drm/radeon/atombios_encoders.c
+++ b/drivers/gpu/drm/radeon/atombios_encoders.c
@@ -184,6 +184,7 @@ void radeon_atom_backlight_init(struct radeon_encoder *radeon_encoder,
struct radeon_backlight_privdata *pdata;
struct radeon_encoder_atom_dig *dig;
u8 backlight_level;
+ char bl_name[16];
if (!radeon_encoder->enc_priv)
return;
@@ -203,7 +204,9 @@ void radeon_atom_backlight_init(struct radeon_encoder *radeon_encoder,
memset(&props, 0, sizeof(props));
props.max_brightness = RADEON_MAX_BL_LEVEL;
props.type = BACKLIGHT_RAW;
- bd = backlight_device_register("radeon_bl", &drm_connector->kdev,
+ snprintf(bl_name, sizeof(bl_name),
+ "radeon_bl%d", dev->primary->index);
+ bd = backlight_device_register(bl_name, &drm_connector->kdev,
pdata, &radeon_atom_backlight_ops, &props);
if (IS_ERR(bd)) {
DRM_ERROR("Backlight registration failed\n");