* [PATCH] drm/radeon: give each backlight a unique id
@ 2012-10-17 21:25 alexdeucher
0 siblings, 0 replies; only message in thread
From: alexdeucher @ 2012-10-17 21:25 UTC (permalink / raw)
To: airlied, dri-devel; +Cc: Alex Deucher
From: Alex Deucher <alexander.deucher@amd.com>
In cases where we have multiple radeons with backlight controls.
Should fix:
https://bugzilla.kernel.org/show_bug.cgi?id=48941
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
drivers/gpu/drm/radeon/atombios_encoders.c | 5 ++++-
drivers/gpu/drm/radeon/radeon_legacy_encoders.c | 5 ++++-
2 files changed, 8 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/radeon/atombios_encoders.c b/drivers/gpu/drm/radeon/atombios_encoders.c
index 806cbcc..a9a059c 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");
diff --git a/drivers/gpu/drm/radeon/radeon_legacy_encoders.c b/drivers/gpu/drm/radeon/radeon_legacy_encoders.c
index 8ad9c5f..687b07c 100644
--- a/drivers/gpu/drm/radeon/radeon_legacy_encoders.c
+++ b/drivers/gpu/drm/radeon/radeon_legacy_encoders.c
@@ -370,6 +370,7 @@ void radeon_legacy_backlight_init(struct radeon_encoder *radeon_encoder,
struct backlight_properties props;
struct radeon_backlight_privdata *pdata;
uint8_t backlight_level;
+ char bl_name[16];
if (!radeon_encoder->enc_priv)
return;
@@ -389,7 +390,9 @@ void radeon_legacy_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_backlight_ops, &props);
if (IS_ERR(bd)) {
DRM_ERROR("Backlight registration failed\n");
--
1.7.7.5
^ permalink raw reply related [flat|nested] only message in thread
only message in thread, other threads:[~2012-10-17 21:25 UTC | newest]
Thread overview: (only message) (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2012-10-17 21:25 [PATCH] drm/radeon: give each backlight a unique id alexdeucher
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).