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

drm/radeon/kms: fix support for DDC on dp bridges

Browse Source 
Need to set up the bridge for DDC prior to the
i2c over aux transaction.

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Alex Deucher
2011-06-13 17:13:34 -04:00
committed by Dave Airlie
parent d629a3ceb4
commit 591a10e16c
3 changed files with 29 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files

1
drivers/gpu/drm/radeon/radeon_mode.h
View File

@@ -483,6 +483,7 @@ extern void radeon_atom_encoder_init(struct radeon_device *rdev);
extern void atombios_dig_transmitter_setup(struct drm_encoder *encoder,
int action, uint8_t lane_num,
uint8_t lane_set);
extern void radeon_atom_ext_encoder_setup_ddc(struct drm_encoder *encoder);
extern int radeon_dp_i2c_aux_ch(struct i2c_adapter *adapter, int mode,
u8 write_byte, u8 *read_byte);