[Intel-gfx] [PATCH] drm/i915/dp: Expose force_dsc_enable through debugfs

[Manasi Navare]

Pushed to dinq, thanks for the patch and the review

Regards
Manasi

On Fri, Apr 05, 2019 at 03:48:21PM -0700, Manasi Navare wrote:
> Currently we use force_dsc_enable to force DSC from IGT, but
> we dont expose this value to userspace through debugfs.
> This patch exposes this through the same dsc_fec_support
> debugfs node per connector so that we can restore its value
> back after the tests are completed.
> 
> Suggested-by: Imre Deak <imre.deak at intel.com>
> Cc: Imre Deak <imre.deak at intel.com>
> Cc: Lyude Paul <lyude at redhat.com>
> Cc: Anusha Srivatsa <anusha.srivatsa at intel.com>
> Signed-off-by: Manasi Navare <manasi.d.navare at intel.com>
> ---
>  drivers/gpu/drm/i915/i915_debugfs.c | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
> index a14a7bccffc1..dbf806908111 100644
> --- a/drivers/gpu/drm/i915/i915_debugfs.c
> +++ b/drivers/gpu/drm/i915/i915_debugfs.c
> @@ -4814,6 +4814,8 @@ static int i915_dsc_fec_support_show(struct seq_file *m, void *data)
>  			   yesno(crtc_state->dsc_params.compression_enable));
>  		seq_printf(m, "DSC_Sink_Support: %s\n",
>  			   yesno(drm_dp_sink_supports_dsc(intel_dp->dsc_dpcd)));
> +		seq_printf(m, "Force_DSC_Enable: %s\n",
> +			   yesno(intel_dp->force_dsc_en));
>  		if (!intel_dp_is_edp(intel_dp))
>  			seq_printf(m, "FEC_Sink_Support: %s\n",
>  				   yesno(drm_dp_sink_supports_fec(intel_dp->fec_capable)));
> -- 
> 2.19.1
>