Commit 73900dce authored by Imre Deak's avatar Imre Deak
Browse files

drm/xe/dp: Enable DP tunneling 



Enable the DP tunneling functionality in the xe driver.

v2: Keep using IS_ENABLED() for kconfig options. (Jani)

Cc: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: default avatarSuraj Kandpal <suraj.kandpal@intel.com>
Signed-off-by: default avatarImre Deak <imre.deak@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20250114122857.1050090-1-imre.deak@intel.com
parent fd95e73d

drivers/gpu/drm/i915/display/intel_dp_tunnel.h

+3 −2
Original line number Diff line number Diff line
@@ -20,7 +20,8 @@ struct intel_dp; 
struct intel_encoder;

struct intel_link_bw_limits;



#if IS_ENABLED(CONFIG_DRM_I915_DP_TUNNEL) && defined(I915)

#if (IS_ENABLED(CONFIG_DRM_I915_DP_TUNNEL) && defined(I915)) || \

	(IS_ENABLED(CONFIG_DRM_XE_DP_TUNNEL) && !defined(I915))



int intel_dp_tunnel_detect(struct intel_dp *intel_dp, struct drm_modeset_acquire_ctx *ctx);

void intel_dp_tunnel_disconnect(struct intel_dp *intel_dp);
@@ -127,6 +128,6 @@ intel_dp_tunnel_mgr_init(struct intel_display *display) 


static inline void intel_dp_tunnel_mgr_cleanup(struct intel_display *display) {}



#endif /* CONFIG_DRM_I915_DP_TUNNEL */

#endif /* CONFIG_DRM_I915_DP_TUNNEL || CONFIG_DRM_XE_DP_TUNNEL */



#endif /* __INTEL_DP_TUNNEL_H__ */

drivers/gpu/drm/xe/Kconfig

+14 −0
Original line number Diff line number Diff line
@@ -59,6 +59,20 @@ config DRM_XE_DISPLAY 
	help

	  Disable this option only if you want to compile out display support.



config DRM_XE_DP_TUNNEL

	bool "Enable DP tunnel support"

	depends on DRM_XE

	depends on USB4

	select DRM_DISPLAY_DP_TUNNEL

	default y

	help

	  Choose this option to detect DP tunnels and enable the Bandwidth

	  Allocation mode for such tunnels. This allows using the maximum

	  resolution allowed by the link BW on all displays sharing the

	  link BW, for instance on a Thunderbolt link.



	  If in doubt say "Y".



config DRM_XE_FORCE_PROBE

	string "Force probe xe for selected Intel hardware IDs"

	depends on DRM_XE

drivers/gpu/drm/xe/Makefile

+3 −0
Original line number Diff line number Diff line
@@ -301,6 +301,9 @@ ifeq ($(CONFIG_DEBUG_FS),y) 
		i915-display/intel_pipe_crc.o

endif



xe-$(CONFIG_DRM_XE_DP_TUNNEL) += \

	i915-display/intel_dp_tunnel.o



obj-$(CONFIG_DRM_XE) += xe.o

obj-$(CONFIG_DRM_XE_KUNIT_TEST) += tests/