diff options
| author |  Imre Deak <imre.deak@intel.com>
| 2024-04-17 17:19:35 +0300 |
|---|---|---|
| committer | Imre Deak <imre.deak@intel.com>
| 2024-04-19 17:20:53 +0300 |
| commit | 8976bf1877ef4f902fae53fd0ad61b36d0c5a70c (patch) | |
| tree | 26e4b578f9b422c1bf70f49f010d5d693684a858 /include/drm | |
| parent | drm/i915/dp_mst: Sanitize calculating the DSC DPT bpp limit (diff) | |
| download | linux-8976bf1877ef4f902fae53fd0ad61b36d0c5a70c.tar.gz linux-8976bf1877ef4f902fae53fd0ad61b36d0c5a70c.tar.bz2 linux-8976bf1877ef4f902fae53fd0ad61b36d0c5a70c.zip | |
drm/dp: Add drm_dp_128b132b_supported()
Factor out a function to check for 128b/132b channel coding support used
by a follow-up patch in the patchset.
v2: s/drm_dp_uhbr_channel_coding_supported()/drm_dp128b132b_supported()
(Jani)
Cc: dri-devel@lists.freedesktop.org
Cc: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Ankit Nautiyal <ankit.k.nautiyal@intel.com>
Reviewed-by: Manasi Navare <navaremanasi@chromium.org>
Acked-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Signed-off-by: Imre Deak <imre.deak@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240417141936.457796-1-imre.deak@intel.com
Diffstat (limited to 'include/drm')
| -rw-r--r-- | include/drm/display/drm_dp_helper.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/include/drm/display/drm_dp_helper.h b/include/drm/display/drm_dp_helper.h index 10147ae96326..8c6ccad0bfea 100644 --- a/include/drm/display/drm_dp_helper.h +++ b/include/drm/display/drm_dp_helper.h @@ -252,6 +252,12 @@ drm_dp_channel_coding_supported(const u8 dpcd[DP_RECEIVER_CAP_SIZE]) } static inline bool +drm_dp_128b132b_supported(const u8 dpcd[DP_RECEIVER_CAP_SIZE]) +{ + return dpcd[DP_MAIN_LINK_CHANNEL_CODING] & DP_CAP_ANSI_128B132B; +} + +static inline bool drm_dp_alternate_scrambler_reset_cap(const u8 dpcd[DP_RECEIVER_CAP_SIZE]) { return dpcd[DP_EDP_CONFIGURATION_CAP] & |