Re: [Intel-gfx] [v7 0/3] Set BPP in the kernel

["Kulkarni, Vandita" <vandita.kulkarni@intel.com>]

> -----Original Message-----
> From: Kulkarni, Vandita <vandita.kulkarni@intel.com>
> Sent: Thursday, July 8, 2021 3:56 PM
> To: intel-gfx@lists.freedesktop.org
> Cc: Nikula, Jani <jani.nikula@intel.com>; Kulkarni, Vandita
> <vandita.kulkarni@intel.com>
> Subject: [v7 0/3] Set BPP in the kernel
> 
> This series adds debugfs entry to force dsc bpp to ceratin valid test value, for
> validation needs.
> This series has been tested locally.
> With the introduction of i915_dsc_bpp debugfs the expectation is that
> whenever there is force_dsc_en set, force_dsc_bpp should have a valid
> value for that format which is between bpp to bpp-1.
Correction : *bpc to bpp-1
> 
> This makes the older test kms_dp_dsc --basic fail as in that case
> force_dsc_bpp would be 0 and is not a valid value.
> 
> Have tested with local changes on the same.
> The series https://patchwork.freedesktop.org/series/91772/
> have the base patches and would need some work on the debugfs name
> change, giving default value for force_dsc_bpp in case of basic-dsc-enable
> test cases, clearing up of the force_dsc_bpp value while exiting the test.
> Which will be floated shortly.
> 
> Have added minor fix on the feci debugfs interface.
> If further changes are needed on the same will float them in a different
> series.
> 
> Patnana Venkata Sai (1):
>   drm/i915/display/dsc: Add Per connector debugfs node for DSC BPP
>     enable
> 
> Vandita Kulkarni (2):
>   drm/i915/display: Add write permissions for fec support
>   drm/i915/display/dsc: Force dsc BPP
> 
>  .../drm/i915/display/intel_display_debugfs.c  | 78 ++++++++++++++++++-
>  .../drm/i915/display/intel_display_types.h    |  1 +
>  drivers/gpu/drm/i915/display/intel_dp.c       | 17 ++++
>  3 files changed, 94 insertions(+), 2 deletions(-)
> 
> --
> 2.32.0

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