[RFC v4 07/20] drm/nouveau/kms/nv50-: Use drm_dp_dpcd_(readb|writeb)() in nv50_sor_disable()

Lyude Paul
2020-08-25T19:51:25Z

Just use drm_dp_dpcd_(readb|writeb)() so we get automatic DPCD logging

Signed-off-by: Lyude Paul <lyude@redhat.com>
Reviewed-by: Ben Skeggs <bskeggs@redhat.com>
---
drivers/gpu/drm/nouveau/dispnv50/disp.c | 11 +++++++----
1 file changed, 7 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/nouveau/dispnv50/disp.c b/drivers/gpu/drm/nouveau/dispnv50/disp.c
index 255a281249bc8..612d98fa0a2dc 100644
--- a/drivers/gpu/drm/nouveau/dispnv50/disp.c
+++ b/drivers/gpu/drm/nouveau/dispnv50/disp.c
@@ -1630,19 +1630,22 @@ nv50_sor_disable(struct drm_encoder *encoder,
{
struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder);
struct nouveau_crtc *nv_crtc = nouveau_crtc(nv_encoder->crtc);
+ struct nouveau_connector *nv_connector =
+ nv50_outp_get_old_connector(nv_encoder, state);

nv_encoder->crtc = NULL;

if (nv_crtc) {
- struct nvkm_i2c_aux *aux = nv_encoder->aux;
+ struct drm_dp_aux *aux = &nv_connector->aux;
u8 pwr;

- if (aux) {
- int ret = nvkm_rdaux(aux, DP_SET_POWER, &pwr, 1);
+ if (nv_encoder->dcb->type == DCB_OUTPUT_DP) {
+ int ret = drm_dp_dpcd_readb(aux, DP_SET_POWER, &pwr);
+
if (ret == 0) {
pwr &= ~DP_SET_POWER_MASK;
pwr |= DP_SET_POWER_D3;
- nvkm_wraux(aux, DP_SET_POWER, &pwr, 1);
+ drm_dp_dpcd_writeb(aux, DP_SET_POWER, pwr);
}
}

--
2.26.2