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ark1668ed-bsp
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linux
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drivers
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gpu
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drm
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display
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Kconfig

Kconfig 2.0 KB
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  1. # SPDX-License-Identifier: MIT
    2. 

  2. 

  3. config DRM_DISPLAY_DP_AUX_BUS
    4. 

  4. 	tristate
    5. 

  5. 	depends on DRM
    6. 

  6. 	depends on OF || COMPILE_TEST
    7. 

  7. 

  8. config DRM_DISPLAY_HELPER
    9. 

  9. 	tristate
    10. 

  10. 	depends on DRM
    11. 

  11. 	help
    12. 

  12. 	  DRM helpers for display adapters.
    13. 

  13. 

  14. if DRM_DISPLAY_HELPER
    15. 

  15. 

  16. config DRM_BRIDGE_CONNECTOR
    17. 

  17. 	bool
    18. 

  18. 	select DRM_DISPLAY_HDMI_STATE_HELPER
    19. 

  19. 	help
    20. 

  20. 	  DRM connector implementation terminating DRM bridge chains.
    21. 

  21. 

  22. config DRM_DISPLAY_DP_AUX_CEC
    23. 

  23. 	bool "Enable DisplayPort CEC-Tunneling-over-AUX HDMI support"
    24. 

  24. 	select DRM_DISPLAY_DP_HELPER
    25. 

  25. 	select CEC_CORE
    26. 

  26. 	help
    27. 

  27. 	  Choose this option if you want to enable HDMI CEC support for
    28. 

  28. 	  DisplayPort/USB-C to HDMI adapters.
    29. 

  29. 

  30. 	  Note: not all adapters support this feature, and even for those
    31. 

  31. 	  that do support this they often do not hook up the CEC pin.
    32. 

  32. 

  33. config DRM_DISPLAY_DP_AUX_CHARDEV
    34. 

  34. 	bool "DRM DP AUX Interface"
    35. 

  35. 	select DRM_DISPLAY_DP_HELPER
    36. 

  36. 	help
    37. 

  37. 	  Choose this option to enable a /dev/drm_dp_auxN node that allows to
    38. 

  38. 	  read and write values to arbitrary DPCD registers on the DP aux
    39. 

  39. 	  channel.
    40. 

  40. 

  41. config DRM_DISPLAY_DP_HELPER
    42. 

  42. 	bool
    43. 

  43. 	help
    44. 

  44. 	  DRM display helpers for DisplayPort.
    45. 

  45. 

  46. config DRM_DISPLAY_DP_TUNNEL
    47. 

  47. 	bool
    48. 

  48. 	select DRM_DISPLAY_DP_HELPER
    49. 

  49. 	help
    50. 

  50. 	  Enable support for DisplayPort tunnels. This allows drivers to use
    51. 

  51. 	  DP tunnel features like the Bandwidth Allocation mode to maximize the
    52. 

  52. 	  BW utilization for display streams on Thunderbolt links.
    53. 

  53. 

  54. config DRM_DISPLAY_DP_TUNNEL_STATE_DEBUG
    55. 

  55. 	bool "Enable debugging the DP tunnel state"
    56. 

  56. 	depends on REF_TRACKER
    57. 

  57. 	depends on DRM_DISPLAY_DP_TUNNEL
    58. 

  58. 	depends on DEBUG_KERNEL
    59. 

  59. 	depends on EXPERT
    60. 

  60. 	help
    61. 

  61. 	  Enables debugging the DP tunnel manager's state, including the
    62. 

  62. 	  consistency of all managed tunnels' reference counting and the state of
    63. 

  63. 	  streams contained in tunnels.
    64. 

  64. 

  65. 	  If in doubt, say "N".
    66. 

  66. 

  67. config DRM_DISPLAY_HDCP_HELPER
    68. 

  68. 	bool
    69. 

  69. 	help
    70. 

  70. 	  DRM display helpers for HDCP.
    71. 

  71. 

  72. config DRM_DISPLAY_HDMI_HELPER
    73. 

  73. 	bool
    74. 

  74. 	help
    75. 

  75. 	  DRM display helpers for HDMI.
    76. 

  76. 

  77. config DRM_DISPLAY_HDMI_STATE_HELPER
    78. 

  78. 	bool
    79. 

  79. 	select DRM_DISPLAY_HDMI_HELPER
    80. 

  80. 	help
    81. 

  81. 	  DRM KMS state helpers for HDMI.
    82. 

  82. 

  83. endif # DRM_DISPLAY_HELPER
    84.