drm/nouveau/disp: add output lvds config method

- was previously part of acquire()
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Reviewed-by: Lyude Paul <lyude@redhat.com>
Acked-by: Danilo Krummrich <me@dakr.org>
Signed-off-by: Lyude Paul <lyude@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230919220442.202488-25-lyude@redhat.com

drivers/gpu/drm/nouveau/dispnv50/disp.c

@@ -1665,7 +1665,7 @@ nv50_sor_atomic_enable(struct drm_encoder *encoder, struct drm_atomic_state *sta
 				lvds_8bpc = true;
 		}
 
-		nvif_outp_acquire_lvds(&nv_encoder->outp, lvds_dual, lvds_8bpc);
+		nvif_outp_lvds(&nv_encoder->outp, lvds_dual, lvds_8bpc);
 		break;
 	case DCB_OUTPUT_DP:
 		nvif_outp_acquire_dp(&nv_encoder->outp, nv_encoder->dp.dpcd, 0, 0, hda, false);

drivers/gpu/drm/nouveau/include/nvif/if0012.h

@@ -24,6 +24,8 @@ union nvif_outp_args {
 #define NVIF_OUTP_V0_BL_GET        0x30
 #define NVIF_OUTP_V0_BL_SET        0x31
 
+#define NVIF_OUTP_V0_LVDS          0x40
+
 #define NVIF_OUTP_V0_HDMI          0x50
 
 #define NVIF_OUTP_V0_INFOFRAME     0x60
@@ -67,7 +69,6 @@ union nvif_outp_acquire_args {
 #define NVIF_OUTP_ACQUIRE_V0_DAC  0x00
 #define NVIF_OUTP_ACQUIRE_V0_SOR  0x01
 #define NVIF_OUTP_ACQUIRE_V0_PIOR 0x02
-#define NVIF_OUTP_ACQUIRE_V0_LVDS    0x03
 #define NVIF_OUTP_ACQUIRE_V0_DP      0x04
 		__u8 type;
 		__u8 or;
@@ -77,11 +78,6 @@ union nvif_outp_acquire_args {
 			struct {
 				__u8 hda;
 			} sor;
-			struct {
-				__u8 dual;
-				__u8 bpc8;
-				__u8 pad02[6];
-			} lvds;
 			struct {
 				__u8 link_nr; /* 0 = highest possible. */
 				__u8 link_bw; /* 0 = highest possible, DP BW code otherwise. */
@@ -135,6 +131,14 @@ union nvif_outp_bl_set_args {
 	} v0;
 };
 
+union nvif_outp_lvds_args {
+	struct nvif_outp_lvds_v0 {
+		__u8  version;
+		__u8  dual;
+		__u8  bpc8;
+	} v0;
+};
+
 union nvif_outp_hdmi_args {
 	struct nvif_outp_hdmi_v0 {
 		__u8 version;

drivers/gpu/drm/nouveau/include/nvif/outp.h

@@ -31,7 +31,6 @@ int nvif_outp_load_detect(struct nvif_outp *, u32 loadval);
 int nvif_outp_acquire_dac(struct nvif_outp *);
 int nvif_outp_acquire_sor(struct nvif_outp *, bool hda);
 int nvif_outp_acquire_pior(struct nvif_outp *);
-int nvif_outp_acquire_lvds(struct nvif_outp *, bool dual, bool bpc8);
 int nvif_outp_acquire_dp(struct nvif_outp *outp, u8 dpcd[DP_RECEIVER_CAP_SIZE],
 			 int link_nr, int link_bw, bool hda, bool mst);
 int nvif_outp_inherit_rgb_crt(struct nvif_outp *outp, u8 *proto_out);
@@ -50,6 +49,8 @@ nvif_outp_acquired(struct nvif_outp *outp)
 int nvif_outp_bl_get(struct nvif_outp *);
 int nvif_outp_bl_set(struct nvif_outp *, int level);
 
+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);
 

drivers/gpu/drm/nouveau/nvif/outp.c

@@ -150,18 +150,17 @@ nvif_outp_hdmi(struct nvif_outp *outp, int head, bool enable, u8 max_ac_packet,
 }
 
 int
-nvif_outp_acquire_lvds(struct nvif_outp *outp, bool dual, bool bpc8)
+nvif_outp_lvds(struct nvif_outp *outp, bool dual, bool bpc8)
 {
-	struct nvif_outp_acquire_v0 args;
+	struct nvif_outp_lvds_v0 args;
 	int ret;
 
-	args.lvds.dual = dual;
-	args.lvds.bpc8 = bpc8;
+	args.version = 0;
+	args.dual = dual;
+	args.bpc8 = bpc8;
 
-	ret = nvif_outp_acquire(outp, NVIF_OUTP_ACQUIRE_V0_LVDS, &args);
-	NVIF_ERRON(ret, &outp->object,
-		   "[ACQUIRE proto:LVDS dual:%d 8bpc:%d] or:%d link:%d",
-		   args.lvds.dual, args.lvds.bpc8, args.or, args.link);
+	ret = nvif_mthd(&outp->object, NVIF_OUTP_V0_LVDS, &args, sizeof(args));
+	NVIF_ERRON(ret, &outp->object, "[LVDS dual:%d 8bpc:%d]", args.dual, args.bpc8);
 	return ret;
 }
 

drivers/gpu/drm/nouveau/nvkm/engine/disp/uoutp.c

@@ -171,13 +171,17 @@ nvkm_uoutp_mthd_hdmi(struct nvkm_outp *outp, void *argv, u32 argc)
 }
 
 static int
-nvkm_uoutp_mthd_acquire_lvds(struct nvkm_outp *outp, bool dual, bool bpc8)
+nvkm_uoutp_mthd_lvds(struct nvkm_outp *outp, void *argv, u32 argc)
 {
+	union nvif_outp_lvds_args *args = argv;
+
+	if (argc != sizeof(args->v0) || args->v0.version != 0)
+		return -ENOSYS;
 	if (outp->info.type != DCB_OUTPUT_LVDS)
 		return -EINVAL;
 
-	outp->lvds.dual = dual;
-	outp->lvds.bpc8 = bpc8;
+	outp->lvds.dual = !!args->v0.dual;
+	outp->lvds.bpc8 = !!args->v0.bpc8;
 	return 0;
 }
 
@@ -253,9 +257,6 @@ nvkm_uoutp_mthd_acquire(struct nvkm_outp *outp, void *argv, u32 argc)
 	case NVIF_OUTP_ACQUIRE_V0_SOR:
 		ret = nvkm_outp_acquire_or(outp, NVKM_OUTP_USER, args->v0.sor.hda);
 		break;
-	case NVIF_OUTP_ACQUIRE_V0_LVDS:
-		ret = nvkm_uoutp_mthd_acquire_lvds(outp, args->v0.lvds.dual, args->v0.lvds.bpc8);
-		break;
 	case NVIF_OUTP_ACQUIRE_V0_DP:
 		ret = nvkm_uoutp_mthd_acquire_dp(outp, args->v0.dp.dpcd,
 						       args->v0.dp.link_nr,
@@ -406,6 +407,7 @@ nvkm_uoutp_mthd_acquired(struct nvkm_outp *outp, u32 mthd, void *argv, u32 argc)
 {
 	switch (mthd) {
 	case NVIF_OUTP_V0_RELEASE      : return nvkm_uoutp_mthd_release      (outp, argv, argc);
+	case NVIF_OUTP_V0_LVDS         : return nvkm_uoutp_mthd_lvds         (outp, argv, argc);
 	case NVIF_OUTP_V0_HDMI         : return nvkm_uoutp_mthd_hdmi         (outp, argv, argc);
 	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);