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| author | Alex Deucher <alexander.deucher@amd.com> | 2014-09-17 17:31:02 +0200 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2014-09-22 23:24:28 +0200 |
| commit | 8aff6ad5a393b8e2ad00dce4d278ecf41397bf0d (patch) | |
| tree | 48e9c0830b9f1c786b138ace0e59311cd0b3c319 /drivers | |
| parent | drm/radeon: add a module parameter for backlight control (v2) (diff) | |
| download | linux-8aff6ad5a393b8e2ad00dce4d278ecf41397bf0d.tar.xz linux-8aff6ad5a393b8e2ad00dce4d278ecf41397bf0d.zip | |
drm/radeon: add a backlight quirk for Amilo Xi 2550
Only the acpi backlight seems to work. Using the
radeon backlight controller causes the backlight to
go off.
bug:
https://bugs.freedesktop.org/show_bug.cgi?id=81382
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_encoders.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_encoders.c b/drivers/gpu/drm/radeon/radeon_encoders.c index 2a9cd7be9aad..15edf23b465c 100644 --- a/drivers/gpu/drm/radeon/radeon_encoders.c +++ b/drivers/gpu/drm/radeon/radeon_encoders.c @@ -173,7 +173,14 @@ static void radeon_encoder_add_backlight(struct radeon_encoder *radeon_encoder, } else if (radeon_backlight == 1) { use_bl = true; } else if (radeon_backlight == -1) { - use_bl = true; + /* Quirks */ + /* Amilo Xi 2550 only works with acpi bl */ + if ((rdev->pdev->device == 0x9583) && + (rdev->pdev->subsystem_vendor == 0x1734) && + (rdev->pdev->subsystem_device == 0x1107)) + use_bl = false; + else + use_bl = true; } if (use_bl) { |