Those registers are used to train DDI buffer translations for each link type. Signed-off-by: Eugeni Dodonov <eugeni.dodonov at intel.com> --- drivers/gpu/drm/i915/i915_reg.h | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index b732aa1..0af47b4 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -3940,4 +3940,11 @@ #define DDI_PORT_WIDTH_X4 (3<<1) #define DDI_INIT_DISPLAY_DETECTED (1<<0) +/* DDI Buffer Translations */ +#define DDI_BUF_TRANS_A 0x64E00 +#define DDI_BUF_TRANS_B 0x64E60 +#define DDI_BUF_TRANS_C 0x64EC0 +#define DDI_BUF_TRANS_D 0x64F20 +#define DDI_BUF_TRANS_E 0x64F80 + #endif /* _I915_REG_H_ */ -- 1.7.9.2