diff options
| author | Imre Deak <imre.deak@intel.com> | 2024-10-09 14:01:35 +0300 |
|---|---|---|
| committer | Imre Deak <imre.deak@intel.com> | 2024-10-14 17:15:16 +0300 |
| commit | 4e75c3e208a06ad6fd9b3517fb77337460d7c2b0 (patch) | |
| tree | 5f255dd71879868b165c818ab69980d90109aed8 | |
| parent | 802a69b6b8a0502a9e2309afec7e1b77f67874f2 (diff) | |
drm/i915/dp_mst: Don't require DSC hblank quirk for a non-DSC compatible mode
If an MST branch device doesn't support DSC for a given mode, but the
MST link has enough BW for the mode, assume that the branch device does
support the mode using an uncompressed stream.
Fixes: 55eaef164174 ("drm/i915/dp_mst: Handle the Synaptics HBlank expansion quirk")
Cc: stable@vger.kernel.org # v6.8+
Reviewed-by: Suraj Kandpal <suraj.kandpal@intel.com>
Signed-off-by: Imre Deak <imre.deak@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20241009110135.1216498-2-imre.deak@intel.com
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_dp_mst.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_dp_mst.c b/drivers/gpu/drm/i915/display/intel_dp_mst.c index 2822ae1160034..1a2ff3e1cb68f 100644 --- a/drivers/gpu/drm/i915/display/intel_dp_mst.c +++ b/drivers/gpu/drm/i915/display/intel_dp_mst.c @@ -467,6 +467,9 @@ hblank_expansion_quirk_needs_dsc(const struct intel_connector *connector, if (mode_hblank_period_ns(adjusted_mode) > hblank_limit) return false; + if (!intel_dp_mst_dsc_get_slice_count(connector, crtc_state)) + return false; + return true; } |