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| author |   Jani Nikula <jani.nikula@intel.com> | 2021-09-09 15:51:54 +0300 |
|---|---|---|
| committer | Jani Nikula <jani.nikula@intel.com> | 2021-09-20 18:44:43 +0300 |
| commit | fc8a2b1e0f91368872424e9e3a8473344c350299 (patch) | |
| tree | 892e68fad2bf423865514c37f813975a81ef8dbf /drivers/gpu/drm/drm_dp_helper.c | |
| parent | drm/dp: add DP 2.0 UHBR link rate and bw code conversions (diff) | |
| download | linux-dev-fc8a2b1e0f91368872424e9e3a8473344c350299.tar.xz linux-dev-fc8a2b1e0f91368872424e9e3a8473344c350299.zip | |
drm/dp: use more of the extended receiver cap
Extend the use of extended receiver cap at 0x2200 to cover
MAIN_LINK_CHANNEL_CODING_CAP in 0x2206, in case an implementation hides
the DP 2.0 128b/132b channel encoding cap.
v2: Extend to DP_RECEIVER_CAP_SIZE (Ville)
Cc: Lyude Paul <lyude@redhat.com>
Cc: dri-devel@lists.freedesktop.org
Cc: Manasi Navare <manasi.d.navare@intel.com>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Lyude Paul <lyude@redhat.com>
Acked-by: Maxime Ripard <mripard@kernel.org>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/649051cb896821147feee91aab1f2abc523c1353.1631191763.git.jani.nikula@intel.com
Diffstat (limited to '')
| -rw-r--r-- | drivers/gpu/drm/drm_dp_helper.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/drm_dp_helper.c b/drivers/gpu/drm/drm_dp_helper.c index 9b2a2961fca8..2e74b02ed96b 100644 --- a/drivers/gpu/drm/drm_dp_helper.c +++ b/drivers/gpu/drm/drm_dp_helper.c @@ -608,7 +608,7 @@ static u8 drm_dp_downstream_port_count(const u8 dpcd[DP_RECEIVER_CAP_SIZE]) static int drm_dp_read_extended_dpcd_caps(struct drm_dp_aux *aux, u8 dpcd[DP_RECEIVER_CAP_SIZE]) { - u8 dpcd_ext[6]; + u8 dpcd_ext[DP_RECEIVER_CAP_SIZE]; int ret; /* |