[Intel-gfx] [V2 2/3] drm/i915/display/debug: Expose crtc current bpc via debugfs

[Murthy, Arun R]

> -----Original Message-----
> From: Intel-gfx <intel-gfx-bounces at lists.freedesktop.org> On Behalf Of
> Bhanuprakash Modem
> Sent: Monday, April 11, 2022 3:21 PM
> To: intel-gfx at lists.freedesktop.org; dri-devel at lists.freedesktop.org; amd-
> gfx at lists.freedesktop.org; jani.nikula at linux.intel.com;
> ville.syrjala at linux.intel.com; harry.wentland at amd.com; Sharma, Swati2
> <swati2.sharma at intel.com>
> Subject: [Intel-gfx] [V2 2/3] drm/i915/display/debug: Expose crtc current bpc
> via debugfs
> 
> This new debugfs will expose the currently using bpc by crtc.
> It is very useful for verifying whether we enter the correct output color depth
> from IGT.
> 
> This patch will also add the connector's max supported bpc to
> "i915_display_info" debugfs.
> 
> Example:
> cat /sys/kernel/debug/dri/0/crtc-0/i915_current_bpc
> Current: 8
> 
> Cc: Jani Nikula <jani.nikula at linux.intel.com>
> Cc: Ville Syrjälä <ville.syrjala at linux.intel.com>
> Cc: Uma Shankar <uma.shankar at intel.com>
> Signed-off-by: Bhanuprakash Modem <bhanuprakash.modem at intel.com>

Reviewed-by: Arun R Murthy <arun.r.murthy at intel.com>

Thanks and Regards,
Arun R Murthy
-------------------