There is one instance of those registers for each DDI port. Signed-off-by: Eugeni Dodonov <eugeni.dodonov at intel.com> --- drivers/gpu/drm/i915/i915_reg.h | 23 +++++++++++++++++++++++ 1 file changed, 23 insertions(+) diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index 3831fe7..2927460 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -3914,4 +3914,27 @@ #define DP_TP_STATUS_E 0x64444 #define DP_TP_STATUS_AUTOTRAIN_DONE (1<<12) +/* DDI Buffer Control */ +#define DDI_BUF_CTL_A 0x64000 +#define DDI_BUF_CTL_B 0x64100 +#define DDI_BUF_CTL_C 0x64200 +#define DDI_BUF_CTL_D 0x64300 +#define DDI_BUF_CTL_E 0x64400 +#define DDI_BUF_CTL_ENABLE (1<<31) +#define DDI_BUF_EMP_400MV_0DB_HSW (0<<24) /* Sel0 */ +#define DDI_BUF_EMP_400MV_3_5DB_HSW (1<<24) /* Sel1 */ +#define DDI_BUF_EMP_400MV_6DB_HSW (2<<24) /* Sel2 */ +#define DDI_BUF_EMP_400MV_9_5DB_HSW (3<<24) /* Sel3 */ +#define DDI_BUF_EMP_600MV_0DB_HSW (4<<24) /* Sel4 */ +#define DDI_BUF_EMP_600MV_3_5DB_HSW (5<<24) /* Sel5 */ +#define DDI_BUF_EMP_600MV_6DB_HSW (6<<24) /* Sel6 */ +#define DDI_BUF_EMP_800MV_0DB_HSW (7<<24) /* Sel7 */ +#define DDI_BUF_EMP_800MV_3_5DB_HSW (8<<24) /* Sel8 */ +#define DDI_BUF_EMP_MASK (0xf<<24) +#define DDI_BUF_IS_IDLE (1<<7) +#define DDI_PORT_WIDTH_X1 (0<<1) +#define DDI_PORT_WIDTH_X2 (1<<1) +#define DDI_PORT_WIDTH_X4 (3<<1) +#define DDI_INIT_DISPLAY_DETECTED (1<<0) + #endif /* _I915_REG_H_ */ -- 1.7.9.2