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drm/nouveau/kms/nv50-: Just use drm_dp_dpcd_read() in nouveau_dp.c

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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
This commit is contained in:
Lyude Paul 2020-08-26 14:24:39 -04:00
parent 6ba1193255
commit 73596dbfde
1 changed files with 4 additions and 8 deletions
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12
drivers/gpu/drm/nouveau/nouveau_dp.c
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@ -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];