From 500ea70d503ed9ba448611049a4a718c2761a5f2 Mon Sep 17 00:00:00 2001 From: Rodrigo Vivi Date: Fri, 7 Aug 2015 17:01:16 -0700 Subject: drm/i915: Set alternate aux for DDI-E There is no correspondent Aux channel for DDI-E. So we need to rely on VBT to let us know witch one is being used instead. v2: Removing some trailing spaces and giving proper credit to Xiong that added a nice way to avoid port conflicts by setting supports_dp = 0 when using equivalent aux for DDI-E. Credits-to: Xiong Zhang Signed-off-by: Rodrigo Vivi Reviewed-by: Xiong Zhang Signed-off-by: Daniel Vetter --- drivers/gpu/drm/i915/i915_drv.h | 7 +++++++ 1 file changed, 7 insertions(+) (limited to 'drivers/gpu/drm/i915/i915_drv.h') diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index 4e9f7b16a729..a8ac36dbf24b 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -1409,6 +1409,11 @@ enum modeset_restore { MODESET_SUSPENDED, }; +#define DP_AUX_A 0x40 +#define DP_AUX_B 0x10 +#define DP_AUX_C 0x20 +#define DP_AUX_D 0x30 + struct ddi_vbt_port_info { /* * This is an index in the HDMI/DVI DDI buffer translation table. @@ -1421,6 +1426,8 @@ struct ddi_vbt_port_info { uint8_t supports_dvi:1; uint8_t supports_hdmi:1; uint8_t supports_dp:1; + + uint8_t alternate_aux_channel; }; enum psr_lines_to_wait { -- cgit