diff options
| author | Lyude Paul <lyude@redhat.com> | 2020-08-26 21:24:39 +0300 |
|---|---|---|
| committer | Lyude Paul <lyude@redhat.com> | 2020-09-01 02:09:03 +0300 |
| commit | 73596dbfde6c827756bd696599989d200f04bf69 (patch) | |
| tree | 0f67cc929776afed14d9af2d068538a53c26090a /drivers/gpu/drm/nouveau | |
| parent | 6ba1193255ebf7eadf60f79c1555e507d0879ac3 (diff) | |
| download | linux-73596dbfde6c827756bd696599989d200f04bf69.tar.xz | |
drm/nouveau/kms/nv50-: Just use drm_dp_dpcd_read() in nouveau_dp.c
Since this actually logs accesses, we should probably always be using
this imho…
Signed-off-by: Lyude Paul <lyude@redhat.com>
Reviewed-by: Ben Skeggs <bskeggs@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200826182456.322681-4-lyude@redhat.com
Diffstat (limited to 'drivers/gpu/drm/nouveau')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nouveau_dp.c | 12 |
1 files changed, 4 insertions, 8 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_dp.c b/drivers/gpu/drm/nouveau/nouveau_dp.c index c4e9c21d4dd2..8db9216d52c6 100644 --- a/drivers/gpu/drm/nouveau/nouveau_dp.c +++ b/drivers/gpu/drm/nouveau/nouveau_dp.c @@ -42,16 +42,12 @@ nouveau_dp_detect(struct nouveau_connector *nv_connector, { struct drm_device *dev = nv_encoder->base.base.dev; struct nouveau_drm *drm = nouveau_drm(dev); - struct nvkm_i2c_aux *aux; - u8 dpcd[8]; + struct drm_dp_aux *aux = &nv_connector->aux; + u8 dpcd[DP_RECEIVER_CAP_SIZE]; int ret; - aux = nv_encoder->aux; - if (!aux) - return -ENODEV; - - ret = nvkm_rdaux(aux, DP_DPCD_REV, dpcd, sizeof(dpcd)); - if (ret) + ret = drm_dp_dpcd_read(aux, DP_DPCD_REV, dpcd, DP_RECEIVER_CAP_SIZE); + if (ret != sizeof(dpcd)) return ret; nv_encoder->dp.link_bw = 27000 * dpcd[1]; |