drm/i915/dp: Disable DSC in source by disabling DSS CTL bits

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1. Disable Left/right VDSC branch in DSS Ctrl reg
    depending on the number of VDSC engines being used
2. Disable joiner in DSS Ctrl reg

v4:
* Remove encoder, make crtc_state const (Ville)
v3 (From Manasi):
* Add Disable PG2 for VDSC on eDP
v2 (From Manasi):
* Use old_crtc_state to find dsc params
* Add a condition to disable only if
dsc state compression is enabled
* Use correct DSS CTL regs

Cc: Jani Nikula <jani.nikula@linux.intel.com>
Cc: Ville Syrjala <ville.syrjala@linux.intel.com>
Cc: Anusha Srivatsa <anusha.srivatsa@intel.com>
Signed-off-by: Manasi Navare <manasi.d.navare@intel.com>
Signed-off-by: Gaurav K Singh <gaurav.k.singh@intel.com>
Reviewed-by: Anusha Srivatsa <anusha.srivatsa@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20181128202628.20238-12-manasi.d.navare@intel.com

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This commit is contained in:

Manasi Navare 2018-11-28 12:26:23 -08:00

parent a311b0b5d2

commit a600622c09

3 changed files with 34 additions and 0 deletions

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1

drivers/gpu/drm/i915/i915_drv.h

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2

drivers/gpu/drm/i915/intel_display.c

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31

drivers/gpu/drm/i915/intel_vdsc.c

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