xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

drm/radeon: restore backlight level on resume

Browse Source 
Restore the backlight level on resume.  Some systems
need to explicitly restore the backlight level on
resume.

Fixes panel resume on my Trinity laptop and may fix the
following bugs:
https://bugs.freedesktop.org/show_bug.cgi?id=43829
https://bugzilla.kernel.org/show_bug.cgi?id=46241

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alex Deucher
2012-09-14 09:45:50 -04:00
parent 6d92f81dcf
commit bced76f271
4 changed files with 14 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
drivers/gpu/drm/radeon/atombios_encoders.c
View File

@@ -32,8 +32,6 @@
extern int atom_debug;
#if defined(CONFIG_BACKLIGHT_CLASS_DEVICE) || defined(CONFIG_BACKLIGHT_CLASS_DEVICE_MODULE)
static u8
radeon_atom_get_backlight_level_from_reg(struct radeon_device *rdev)
{
@@ -134,6 +132,8 @@ atombios_set_backlight_level(struct radeon_encoder *radeon_encoder, u8 level)
}
}
#if defined(CONFIG_BACKLIGHT_CLASS_DEVICE) || defined(CONFIG_BACKLIGHT_CLASS_DEVICE_MODULE)
static u8 radeon_atom_bl_level(struct backlight_device *bd)
{
u8 level;