diff options
| author | Imre Deak <[email protected]> | 2024-10-09 14:01:35 +0300 |
|---|---|---|
| committer | Joonas Lahtinen <[email protected]> | 2024-10-16 14:56:40 +0300 |
| commit | 2f54e71359eb2abc0bdf6619cd356e5e350ff27b (patch) | |
| tree | 4d66672d2064512b1194870d4ea735989e463518 | |
| parent | 69b3d87212676c4c22aa4660435e2066dc7d1311 (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: [email protected] # v6.8+
Reviewed-by: Suraj Kandpal <[email protected]>
Signed-off-by: Imre Deak <[email protected]>
Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
(cherry picked from commit 4e75c3e208a06ad6fd9b3517fb77337460d7c2b0)
Signed-off-by: Joonas Lahtinen <[email protected]>
| -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 8c22df790751..eeaedd979354 100644 --- a/drivers/gpu/drm/i915/display/intel_dp_mst.c +++ b/drivers/gpu/drm/i915/display/intel_dp_mst.c @@ -466,6 +466,9 @@ 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; } |