[PATCH 115/156] drm/nouveau/nvif: rework outp "infoframe" api

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- transition from "ioctl" interface

Signed-off-by: Ben Skeggs <bskeggs@xxxxxxxxxx>
---
 drivers/gpu/drm/nouveau/dispnv50/disp.c       | 18 +++------
 .../gpu/drm/nouveau/include/nvif/driverif.h   |  7 ++++
 drivers/gpu/drm/nouveau/include/nvif/if0012.h | 13 -------
 drivers/gpu/drm/nouveau/include/nvif/outp.h   |  3 +-
 drivers/gpu/drm/nouveau/nvif/outp.c           |  7 ++--
 .../gpu/drm/nouveau/nvkm/engine/disp/uoutp.c  | 38 +++++++++++--------
 6 files changed, 40 insertions(+), 46 deletions(-)

diff --git a/drivers/gpu/drm/nouveau/dispnv50/disp.c b/drivers/gpu/drm/nouveau/dispnv50/disp.c
index e2d71916326f..0bac0e813184 100644
--- a/drivers/gpu/drm/nouveau/dispnv50/disp.c
+++ b/drivers/gpu/drm/nouveau/dispnv50/disp.c
@@ -755,10 +755,7 @@ nv50_hdmi_enable(struct drm_encoder *encoder, struct nouveau_crtc *nv_crtc,
 	union hdmi_infoframe infoframe = { 0 };
 	const u8 rekey = 56; /* binary driver, and tegra, constant */
 	u32 max_ac_packet;
-	struct {
-		struct nvif_outp_infoframe_v0 infoframe;
-		u8 data[17];
-	} args = { 0 };
+	u8 data[17] = {};
 	int ret, size;
 
 	max_ac_packet  = mode->htotal - mode->hdisplay;
@@ -795,29 +792,26 @@ nv50_hdmi_enable(struct drm_encoder *encoder, struct nouveau_crtc *nv_crtc,
 		return;
 
 	/* AVI InfoFrame. */
-	args.infoframe.version = 0;
-	args.infoframe.head = nv_crtc->index;
-
 	if (!drm_hdmi_avi_infoframe_from_display_mode(&infoframe.avi, &nv_connector->base, mode)) {
 		drm_hdmi_avi_infoframe_quant_range(&infoframe.avi, &nv_connector->base, mode,
 						   HDMI_QUANTIZATION_RANGE_FULL);
 
-		size = hdmi_infoframe_pack(&infoframe, args.data, ARRAY_SIZE(args.data));
+		size = hdmi_infoframe_pack(&infoframe, data, ARRAY_SIZE(data));
 	} else {
 		size = 0;
 	}
 
-	nvif_outp_infoframe(&nv_encoder->outp, NVIF_OUTP_INFOFRAME_V0_AVI, &args.infoframe, size);
+	nvif_outp_infoframe(&nv_encoder->outp, nv_crtc->index, NVIF_OUTP_INFOFRAME_AVI, data, size);
 
 	/* Vendor InfoFrame. */
-	memset(&args.data, 0, sizeof(args.data));
+	memset(data, 0, sizeof(data));
 	if (!drm_hdmi_vendor_infoframe_from_display_mode(&infoframe.vendor.hdmi,
 							 &nv_connector->base, mode))
-		size = hdmi_infoframe_pack(&infoframe, args.data, ARRAY_SIZE(args.data));
+		size = hdmi_infoframe_pack(&infoframe, data, ARRAY_SIZE(data));
 	else
 		size = 0;
 
-	nvif_outp_infoframe(&nv_encoder->outp, NVIF_OUTP_INFOFRAME_V0_VSI, &args.infoframe, size);
+	nvif_outp_infoframe(&nv_encoder->outp, nv_crtc->index, NVIF_OUTP_INFOFRAME_VSI, data, size);
 
 	nv_encoder->hdmi.enabled = true;
 }
diff --git a/drivers/gpu/drm/nouveau/include/nvif/driverif.h b/drivers/gpu/drm/nouveau/include/nvif/driverif.h
index 6f1ec831b4d7..cef19e04f208 100644
--- a/drivers/gpu/drm/nouveau/include/nvif/driverif.h
+++ b/drivers/gpu/drm/nouveau/include/nvif/driverif.h
@@ -244,6 +244,11 @@ struct nvif_conn_impl {
 		     const struct nvif_event_impl **, struct nvif_event_priv **);
 };
 
+enum nvif_outp_infoframe_type {
+	NVIF_OUTP_INFOFRAME_AVI,
+	NVIF_OUTP_INFOFRAME_VSI,
+};
+
 enum nvif_outp_detect_status {
 	NVIF_OUTP_DETECT_NOT_PRESENT,
 	NVIF_OUTP_DETECT_PRESENT,
@@ -295,6 +300,8 @@ struct nvif_outp_impl {
 		int (*config)(struct nvif_outp_priv *, u8 head, bool enable, u8 max_ac_packet,
 			      u8 rekey, u32 khz, bool scdc, bool scdc_scrambling,
 			      bool scdc_low_rates);
+		int (*infoframe)(struct nvif_outp_priv *, u8 head, enum nvif_outp_infoframe_type,
+				 u8 *data, u8 size);
 	} hdmi;
 
 	struct {
diff --git a/drivers/gpu/drm/nouveau/include/nvif/if0012.h b/drivers/gpu/drm/nouveau/include/nvif/if0012.h
index c2a3af721116..a045c66fc1ca 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_INFOFRAME     0x60
 #define NVIF_OUTP_V0_HDA_ELD       0x61
 
 #define NVIF_OUTP_V0_DP_AUX_PWR    0x70
@@ -17,18 +16,6 @@
 #define NVIF_OUTP_V0_DP_MST_ID_PUT 0x77
 #define NVIF_OUTP_V0_DP_MST_VCPI   0x78
 
-union nvif_outp_infoframe_args {
-	struct nvif_outp_infoframe_v0 {
-		__u8 version;
-#define NVIF_OUTP_INFOFRAME_V0_AVI 0
-#define NVIF_OUTP_INFOFRAME_V0_VSI 1
-		__u8 type;
-		__u8 head;
-		__u8 pad03[5];
-		__u8 data[];
-	} v0;
-};
-
 union nvif_outp_hda_eld_args {
 	struct nvif_outp_hda_eld_v0 {
 		__u8  version;
diff --git a/drivers/gpu/drm/nouveau/include/nvif/outp.h b/drivers/gpu/drm/nouveau/include/nvif/outp.h
index 7a64a7d2ac97..8be799c88aff 100644
--- a/drivers/gpu/drm/nouveau/include/nvif/outp.h
+++ b/drivers/gpu/drm/nouveau/include/nvif/outp.h
@@ -49,7 +49,8 @@ int nvif_outp_lvds(struct nvif_outp *, bool dual, bool bpc8);
 int nvif_outp_hdmi(struct nvif_outp *, int head, bool enable, u8 max_ac_packet, u8 rekey, u32 khz,
 		   bool scdc, bool scdc_scrambling, bool scdc_low_rates);
 
-int nvif_outp_infoframe(struct nvif_outp *, u8 type, struct nvif_outp_infoframe_v0 *, u32 size);
+int nvif_outp_infoframe(struct nvif_outp *, int head, enum nvif_outp_infoframe_type,
+			u8 *data, u8 size);
 int nvif_outp_hda_eld(struct nvif_outp *, int head, void *data, u32 size);
 
 int nvif_outp_dp_aux_pwr(struct nvif_outp *, bool enable);
diff --git a/drivers/gpu/drm/nouveau/nvif/outp.c b/drivers/gpu/drm/nouveau/nvif/outp.c
index 99a1e0073166..4ecdc44eb84a 100644
--- a/drivers/gpu/drm/nouveau/nvif/outp.c
+++ b/drivers/gpu/drm/nouveau/nvif/outp.c
@@ -214,13 +214,12 @@ nvif_outp_hda_eld(struct nvif_outp *outp, int head, void *data, u32 size)
 }
 
 int
-nvif_outp_infoframe(struct nvif_outp *outp, u8 type, struct nvif_outp_infoframe_v0 *args, u32 size)
+nvif_outp_infoframe(struct nvif_outp *outp, int head, enum nvif_outp_infoframe_type type,
+		    u8 *data, u8 size)
 {
 	int ret;
 
-	args->type = type;
-
-	ret = nvif_mthd(&outp->object, NVIF_OUTP_V0_INFOFRAME, args, sizeof(*args) + size);
+	ret = outp->impl->hdmi.infoframe(outp->priv, head, type, data, size);
 	NVIF_ERRON(ret, &outp->object, "[INFOFRAME type:%d size:%d]", type, size);
 	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 325af91075ab..a694a43fd495 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/disp/uoutp.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/uoutp.c
@@ -245,29 +245,35 @@ nvkm_uoutp_mthd_hda_eld(struct nvkm_outp *outp, void *argv, u32 argc)
 }
 
 static int
-nvkm_uoutp_mthd_infoframe(struct nvkm_outp *outp, void *argv, u32 argc)
+nvkm_uoutp_infoframe(struct nvif_outp_priv *uoutp, u8 head,
+		     enum nvif_outp_infoframe_type type, u8 *data, u8 size)
 {
-	struct nvkm_ior *ior = outp->ior;
-	union nvif_outp_infoframe_args *args = argv;
-	ssize_t size = argc - sizeof(*args);
+	struct nvkm_ior *ior;
+	int ret;
 
-	if (argc < sizeof(args->v0) || args->v0.version != 0)
-		return -ENOSYS;
-	if (!nvkm_head_find(outp->disp, args->v0.head))
+	if (!nvkm_head_find(uoutp->outp->disp, head))
 		return -EINVAL;
 
-	switch (ior->func->hdmi ? args->v0.type : 0xff) {
-	case NVIF_OUTP_INFOFRAME_V0_AVI:
-		ior->func->hdmi->infoframe_avi(ior, args->v0.head, &args->v0.data, size);
-		return 0;
-	case NVIF_OUTP_INFOFRAME_V0_VSI:
-		ior->func->hdmi->infoframe_vsi(ior, args->v0.head, &args->v0.data, size);
-		return 0;
+	ret = nvkm_uoutp_lock_acquired(uoutp);
+	if (ret)
+		return ret;
+
+	ior = uoutp->outp->ior;
+
+	switch (ior->func->hdmi ? type : 0xff) {
+	case NVIF_OUTP_INFOFRAME_AVI:
+		ior->func->hdmi->infoframe_avi(ior, head, data, size);
+		break;
+	case NVIF_OUTP_INFOFRAME_VSI:
+		ior->func->hdmi->infoframe_vsi(ior, head, data, size);
+		break;
 	default:
+		ret = -EINVAL;
 		break;
 	}
 
-	return -EINVAL;
+	nvkm_uoutp_unlock(uoutp);
+	return ret;
 }
 
 static int
@@ -533,7 +539,6 @@ static int
 nvkm_uoutp_mthd_acquired(struct nvkm_outp *outp, u32 mthd, void *argv, u32 argc)
 {
 	switch (mthd) {
-	case NVIF_OUTP_V0_INFOFRAME    : return nvkm_uoutp_mthd_infoframe    (outp, argv, argc);
 	case NVIF_OUTP_V0_HDA_ELD      : return nvkm_uoutp_mthd_hda_eld      (outp, argv, argc);
 	case NVIF_OUTP_V0_DP_TRAIN     : return nvkm_uoutp_mthd_dp_train     (outp, argv, argc);
 	case NVIF_OUTP_V0_DP_DRIVE     : return nvkm_uoutp_mthd_dp_drive     (outp, argv, argc);
@@ -670,6 +675,7 @@ nvkm_uoutp_new(struct nvkm_disp *disp, u8 id, const struct nvif_outp_impl **pimp
 		}
 		uoutp->impl.proto = NVIF_OUTP_TMDS;
 		uoutp->impl.hdmi.config = nvkm_uoutp_hdmi;
+		uoutp->impl.hdmi.infoframe = nvkm_uoutp_infoframe;
 		break;
 	case DCB_OUTPUT_LVDS:
 		uoutp->impl.type = NVIF_OUTP_SOR;
-- 
2.41.0




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