[PATCH 117/156] drm/nouveau/nvif: rework outp "dp aux pwr" api

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- transition from "ioctl" interface

Signed-off-by: Ben Skeggs <bskeggs@xxxxxxxxxx>
---
 drivers/gpu/drm/nouveau/include/nvif/driverif.h |  2 ++
 drivers/gpu/drm/nouveau/include/nvif/if0012.h   |  9 ---------
 drivers/gpu/drm/nouveau/nvif/outp.c             |  8 ++------
 .../gpu/drm/nouveau/nvkm/engine/disp/uoutp.c    | 17 ++++++++---------
 4 files changed, 12 insertions(+), 24 deletions(-)

diff --git a/drivers/gpu/drm/nouveau/include/nvif/driverif.h b/drivers/gpu/drm/nouveau/include/nvif/driverif.h
index 742cf0e1678b..0dd85d4fa9ab 100644
--- a/drivers/gpu/drm/nouveau/include/nvif/driverif.h
+++ b/drivers/gpu/drm/nouveau/include/nvif/driverif.h
@@ -325,6 +325,8 @@ struct nvif_outp_impl {
 		u8 increased_wm;
 		u8 link_nr;
 		u32 link_bw;
+
+		int (*aux_pwr)(struct nvif_outp_priv *, bool enable);
 	} dp;
 };
 
diff --git a/drivers/gpu/drm/nouveau/include/nvif/if0012.h b/drivers/gpu/drm/nouveau/include/nvif/if0012.h
index 160387dfc2a0..c0981a5f9e87 100644
--- a/drivers/gpu/drm/nouveau/include/nvif/if0012.h
+++ b/drivers/gpu/drm/nouveau/include/nvif/if0012.h
@@ -4,7 +4,6 @@
 
 #include <drm/display/drm_dp.h>
 
-#define NVIF_OUTP_V0_DP_AUX_PWR    0x70
 #define NVIF_OUTP_V0_DP_AUX_XFER   0x71
 #define NVIF_OUTP_V0_DP_RATES      0x72
 #define NVIF_OUTP_V0_DP_TRAIN      0x73
@@ -14,14 +13,6 @@
 #define NVIF_OUTP_V0_DP_MST_ID_PUT 0x77
 #define NVIF_OUTP_V0_DP_MST_VCPI   0x78
 
-union nvif_outp_dp_aux_pwr_args {
-	struct nvif_outp_dp_aux_pwr_v0 {
-		__u8 version;
-		__u8 state;
-		__u8 pad02[6];
-	} v0;
-};
-
 union nvif_outp_dp_aux_xfer_args {
 	struct nvif_outp_dp_aux_xfer_v0 {
 		__u8  version;
diff --git a/drivers/gpu/drm/nouveau/nvif/outp.c b/drivers/gpu/drm/nouveau/nvif/outp.c
index cf79c56aae0c..8b09a7ae9876 100644
--- a/drivers/gpu/drm/nouveau/nvif/outp.c
+++ b/drivers/gpu/drm/nouveau/nvif/outp.c
@@ -181,14 +181,10 @@ nvif_outp_dp_aux_xfer(struct nvif_outp *outp, u8 type, u8 *psize, u32 addr, u8 *
 int
 nvif_outp_dp_aux_pwr(struct nvif_outp *outp, bool enable)
 {
-	struct nvif_outp_dp_aux_pwr_v0 args;
 	int ret;
 
-	args.version = 0;
-	args.state = enable;
-
-	ret = nvif_object_mthd(&outp->object, NVIF_OUTP_V0_DP_AUX_PWR, &args, sizeof(args));
-	NVIF_ERRON(ret, &outp->object, "[DP_AUX_PWR state:%d]", args.state);
+	ret = outp->impl->dp.aux_pwr(outp->priv, enable);
+	NVIF_ERRON(ret, &outp->object, "[DP_AUX_PWR state:%d]", enable);
 	return ret;
 }
 
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/uoutp.c b/drivers/gpu/drm/nouveau/nvkm/engine/disp/uoutp.c
index 7184f13f39f5..36b4ea9a10fd 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/disp/uoutp.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/uoutp.c
@@ -195,16 +195,15 @@ nvkm_uoutp_mthd_dp_aux_xfer(struct nvkm_outp *outp, void *argv, u32 argc)
 }
 
 static int
-nvkm_uoutp_mthd_dp_aux_pwr(struct nvkm_outp *outp, void *argv, u32 argc)
+nvkm_uoutp_dp_aux_pwr(struct nvif_outp_priv *uoutp, bool enable)
 {
-	union nvif_outp_dp_aux_pwr_args *args = argv;
-
-	if (argc != sizeof(args->v0) || args->v0.version != 0)
-		return -ENOSYS;
-	if (!outp->func->dp.aux_pwr)
-		return -EINVAL;
+	struct nvkm_outp *outp = uoutp->outp;
+	int ret;
 
-	return outp->func->dp.aux_pwr(outp, !!args->v0.state);
+	nvkm_uoutp_lock(uoutp);
+	ret = outp->func->dp.aux_pwr(outp, enable);
+	nvkm_uoutp_unlock(uoutp);
+	return ret;
 }
 
 static int
@@ -564,7 +563,6 @@ static int
 nvkm_uoutp_mthd_noacquire(struct nvkm_outp *outp, u32 mthd, void *argv, u32 argc, bool *invalid)
 {
 	switch (mthd) {
-	case NVIF_OUTP_V0_DP_AUX_PWR : return nvkm_uoutp_mthd_dp_aux_pwr (outp, argv, argc);
 	case NVIF_OUTP_V0_DP_AUX_XFER: return nvkm_uoutp_mthd_dp_aux_xfer(outp, argv, argc);
 	case NVIF_OUTP_V0_DP_RATES   : return nvkm_uoutp_mthd_dp_rates   (outp, argv, argc);
 	default:
@@ -705,6 +703,7 @@ nvkm_uoutp_new(struct nvkm_disp *disp, u8 id, const struct nvif_outp_impl **pimp
 		uoutp->impl.dp.increased_wm = outp->dp.increased_wm;
 		uoutp->impl.dp.link_nr = outp->info.dpconf.link_nr;
 		uoutp->impl.dp.link_bw = outp->info.dpconf.link_bw * 27000;
+		uoutp->impl.dp.aux_pwr = nvkm_uoutp_dp_aux_pwr;
 		break;
 	default:
 		WARN_ON(1);
-- 
2.41.0




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