linux-kernel - [RFC 07/20] drm/nouveau/kms/nv50-: Use drm_dp_dpcd_(readb|writeb)() in nv50_sor

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Message-Id: <20200811200457.134743-8-lyude@redhat.com>
Date:   Tue, 11 Aug 2020 16:04:44 -0400
From:   Lyude Paul <lyude@...hat.com>
To:     nouveau@...ts.freedesktop.org, intel-gfx@...ts.freedesktop.org,
        dri-devel@...ts.freedesktop.org
Cc:     Ben Skeggs <bskeggs@...hat.com>, David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        Dave Airlie <airlied@...il.com>,
        Pankaj Bharadiya <pankaj.laxminarayan.bharadiya@...el.com>,
        Alex Deucher <alexander.deucher@....com>,
        Takashi Iwai <tiwai@...e.de>, James Jones <jajones@...dia.com>,
        linux-kernel@...r.kernel.org (open list)
Subject: [RFC 07/20] drm/nouveau/kms/nv50-: Use drm_dp_dpcd_(readb|writeb)() in nv50_sor_disable()

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

Signed-off-by: Lyude Paul <lyude@...hat.com>
Reviewed-by: Ben Skeggs <bskeggs@...hat.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 71c65f0a68a27..e06e8537f21e1 100644
--- a/drivers/gpu/drm/nouveau/dispnv50/disp.c
+++ b/drivers/gpu/drm/nouveau/dispnv50/disp.c
@@ -1631,19 +1631,22 @@ 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