Display State Buffer (DSB) is hardware capability which allows driver to batch submit HW programming.
As part of initial enablement common api created which currently used to program gamma lut proramming. Going forwad DSB support can be added for HDR and flip related operation. Few changes of this patch series is not tested, sending version 1 for design review, will be testing in parallel. HSDES: 1209978241 BSpec: 32020 Cc: Ville Syrjälä <[email protected]> Cc: Jani Nikula <[email protected]> Cc: Rodrigo Vivi <[email protected]> Cc: Daniel Vetter <[email protected]> Cc: Imre Deak <[email protected]> Cc: Michel Thierry <[email protected]> Cc: Uma Shankar <[email protected]> Cc: Shashank Sharma <[email protected]> Cc: Swati Sharma <[email protected]> Cc: Lucas De Marchi <[email protected]> Signed-off-by: Animesh Manna <[email protected]> Animesh Manna (15): drm/i915/dsb: feature flag added for display state buffer. drm/i915/dsb: DSB context creation. drm/i915/dsb: single register write function for DSB. drm/i915/dsb: Added enum for reg write capability. drm/i915/dsb: Indexed register write function for DSB. drm/i915/dsb: Update i915_write to call dsb-write. drm/i915/dsb: Register definition of DSB registers. drm/i915/dsb: Check DSB engine status. drm/i915/dsb: functions to enable/disable DSB engine. drm/i915/dsb: function to trigger workload execution of DSB. drm/i915/dsb: function to destroy DSB context. drm/i915/dsb: Early prepare of dsb context. drm/i915/dsb: Cleanup of DSB context. drm/i915/dsb: Documentation for DSB. drm/i915/dsb: Enable gamma lut programming using DSB. Documentation/gpu/i915.rst | 9 + drivers/gpu/drm/i915/Makefile | 1 + drivers/gpu/drm/i915/display/intel_color.c | 4 + drivers/gpu/drm/i915/display/intel_display.c | 34 +++ drivers/gpu/drm/i915/i915_drv.h | 9 +- drivers/gpu/drm/i915/i915_reg.h | 53 +++- drivers/gpu/drm/i915/intel_device_info.h | 1 + drivers/gpu/drm/i915/intel_drv.h | 6 + drivers/gpu/drm/i915/intel_dsb.c | 305 +++++++++++++++++++ drivers/gpu/drm/i915/intel_dsb.h | 48 +++ 10 files changed, 460 insertions(+), 10 deletions(-) create mode 100644 drivers/gpu/drm/i915/intel_dsb.c create mode 100644 drivers/gpu/drm/i915/intel_dsb.h -- 2.21.0 _______________________________________________ Intel-gfx mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/intel-gfx
