Some customers and users have expressed interest in adding borders (or margins) to certain displays in their multi-display configurations. To address this need, this patchset implements the XRandR Border property as defined here: https://cgit.freedesktop.org/xorg/proto/randrproto/tree/randrproto.txt#n2032 --- Patchset overview: Patch 1: Create skl_program_crtc_scaler() to program scaler for crtc Patch 2: Create and attach the Border property to DP and HDMI Patch 3: Implement Border property by enabling crtc scalar This series is tested using following method: - Run the following xrandr command with different parameters: xrandr --output HDMI-3 --pos 1920x0 --mode 1280x1024 --fb 3840x2160 --scale 2.11x2.11 --set "Border" 150,0,150,0 The following patch was also added to the modesetting driver to implement the Border property: https://gitlab.freedesktop.org/Vivek/xserver/-/commit/62abfc438f0d17fe7f88bf2826c9784c2b36443b Cc: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx> Cc: Matt Roper <matthew.d.roper@xxxxxxxxx> Cc: Dongwon Kim <dongwon.kim@xxxxxxxxx> Vivek Kasireddy (3): drm/i915: Rename skl_pfit_enable() to skl_program_crtc_scaler() drm/i915: Attach the Border property to DP and HDMI connectors drm/i915: Apply border adjustments and enable scaler on the crtc drivers/gpu/drm/i915/display/intel_atomic.c | 29 ++++++++++- .../gpu/drm/i915/display/intel_connector.c | 49 +++++++++++++++++++ .../gpu/drm/i915/display/intel_connector.h | 3 ++ drivers/gpu/drm/i915/display/intel_display.c | 25 ++++++++-- .../gpu/drm/i915/display/intel_display_core.h | 1 + .../drm/i915/display/intel_display_types.h | 6 +++ drivers/gpu/drm/i915/display/intel_dp.c | 11 +++++ drivers/gpu/drm/i915/display/intel_hdmi.c | 11 +++++ drivers/gpu/drm/i915/display/skl_scaler.c | 27 ++++++---- drivers/gpu/drm/i915/display/skl_scaler.h | 3 +- 10 files changed, 149 insertions(+), 16 deletions(-) -- 2.43.0
