On Tue, Jun 09, 2020 at 09:41:40PM +0300, Imre Deak wrote:
> DSC is not supported on DP MST streams so just don't add this entry for
> MST connectors.
>
> This also fixes an OOPS, caused by the encoder->digport cast, which is
> not valid for MST encoders.
>
> v2:
> - Check encoder, which is unset for an MST connector, before it gets
> enabled.
> v3:
> - Just don't add this debugfs file for MST connectors. (Ville)
>
> Cc: Ville Syrjälä <ville.syrj...@linux.intel.com>
> Signed-off-by: Imre Deak <imre.d...@intel.com>
Yes now just not having this debugfs entry for MST connectors makes sense
once we support it on MST we can expose it the right way
Reviewed-by: Manasi Navare <manasi.d.nav...@intel.com>
Manasi
> ---
> drivers/gpu/drm/i915/display/intel_display_debugfs.c | 3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/i915/display/intel_display_debugfs.c
> b/drivers/gpu/drm/i915/display/intel_display_debugfs.c
> index 2b640d8ab9d2..28dd717e943a 100644
> --- a/drivers/gpu/drm/i915/display/intel_display_debugfs.c
> +++ b/drivers/gpu/drm/i915/display/intel_display_debugfs.c
> @@ -2218,7 +2218,8 @@ int intel_connector_debugfs_add(struct drm_connector
> *connector)
> }
>
> if (INTEL_GEN(dev_priv) >= 10 &&
> - (connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort ||
> + ((connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort &&
> + !to_intel_connector(connector)->mst_port) ||
> connector->connector_type == DRM_MODE_CONNECTOR_eDP))
> debugfs_create_file("i915_dsc_fec_support", S_IRUGO, root,
> connector, &i915_dsc_fec_support_fops);
> --
> 2.23.1
>
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