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| author | Ankit Nautiyal <ankit.k.nautiyal@intel.com> | 2023-08-17 19:54:49 +0530 |
|---|---|---|
| committer | Ankit Nautiyal <ankit.k.nautiyal@intel.com> | 2023-08-18 09:42:19 +0530 |
| commit | e1a211e316252292afe580a8a9d4c5227902dfa1 (patch) | |
| tree | 3ecf8989f0dd3000587fbac4c81d4736e364ae57 /drivers/gpu/drm/i915/display/intel_dp_mst.c | |
| parent | drm/i915/dp: Remove extra logs for printing DSC info (diff) | |
| download | linux-e1a211e316252292afe580a8a9d4c5227902dfa1.tar.gz linux-e1a211e316252292afe580a8a9d4c5227902dfa1.zip | |
drm/i915/dp: Avoid forcing DSC BPC for MST case
For MST the bpc is hardcoded to 8, and pipe bpp to 24.
So avoid forcing DSC bpc for MST case.
v2: Warn and ignore the debug flag than to bail out. (Jani)
v3: Fix dbg message to mention forced bpc instead of bpp.
v4: Fix checkpatch longline warning.
Signed-off-by: Ankit Nautiyal <ankit.k.nautiyal@intel.com>
Reviewed-by: Stanislav Lisovskiy <stanislav.lisovskiy@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230817142459.89764-9-ankit.k.nautiyal@intel.com
Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_dp_mst.c')
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_dp_mst.c | 5 |
1 files changed, 5 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 1f00713fb1ad..dff4717edbd0 100644 --- a/drivers/gpu/drm/i915/display/intel_dp_mst.c +++ b/drivers/gpu/drm/i915/display/intel_dp_mst.c @@ -362,6 +362,11 @@ static int intel_dp_mst_compute_config(struct intel_encoder *encoder, drm_dbg_kms(&dev_priv->drm, "Force DSC en = %d\n", intel_dp->force_dsc_en); if (ret || intel_dp->force_dsc_en) { /* + * FIXME: As bpc is hardcoded to 8, as mentioned above, + * WARN and ignore the debug flag force_dsc_bpc for now. + */ + drm_WARN(&dev_priv->drm, intel_dp->force_dsc_bpc, "Cannot Force BPC for MST\n"); + /* * Try to get at least some timeslots and then see, if * we can fit there with DSC. */ |