drm/nouveau/disp: move LVDS protocol information into acquire

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Reviewed-by: Lyude Paul <lyude@redhat.com>

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

@@ -1635,15 +1635,6 @@ nv50_sor_atomic_enable(struct drm_encoder *encoder, struct drm_atomic_state *sta
 	struct nv50_head_atom *asyh =
 		nv50_head_atom(drm_atomic_get_new_crtc_state(state, &nv_crtc->base));
 	struct drm_display_mode *mode = &asyh->state.adjusted_mode;
-	struct {
-		struct nv50_disp_mthd_v1 base;
-		struct nv50_disp_sor_lvds_script_v0 lvds;
-	} lvds = {
-		.base.version = 1,
-		.base.method  = NV50_DISP_MTHD_V1_SOR_LVDS_SCRIPT,
-		.base.hasht   = nv_encoder->dcb->hasht,
-		.base.hashm   = nv_encoder->dcb->hashm,
-	};
 	struct nv50_disp *disp = nv50_disp(encoder->dev);
 	struct drm_device *dev = encoder->dev;
 	struct nouveau_drm *drm = nouveau_drm(dev);
@@ -1652,7 +1643,7 @@ nv50_sor_atomic_enable(struct drm_encoder *encoder, struct drm_atomic_state *sta
 	struct nouveau_backlight *backlight;
 #endif
 	struct nvbios *bios = &drm->vbios;
-	bool hda = false;
+	bool lvds_dual = false, lvds_8bpc = false, hda = false;
 	u8 proto = NV507D_SOR_SET_CONTROL_PROTOCOL_CUSTOM;
 	u8 depth = NV837D_SOR_SET_CONTROL_PIXEL_DEPTH_DEFAULT;
 
@@ -1689,33 +1680,30 @@ nv50_sor_atomic_enable(struct drm_encoder *encoder, struct drm_atomic_state *sta
 		proto = NV507D_SOR_SET_CONTROL_PROTOCOL_LVDS_CUSTOM;
 
 		if (bios->fp_no_ddc) {
-			if (bios->fp.dual_link)
-				lvds.lvds.script |= 0x0100;
-			if (bios->fp.if_is_24bit)
-				lvds.lvds.script |= 0x0200;
+			lvds_dual = bios->fp.dual_link;
+			lvds_8bpc = bios->fp.if_is_24bit;
 		} else {
 			if (nv_connector->type == DCB_CONNECTOR_LVDS_SPWG) {
 				if (((u8 *)nv_connector->edid)[121] == 2)
-					lvds.lvds.script |= 0x0100;
+					lvds_dual = true;
 			} else
 			if (mode->clock >= bios->fp.duallink_transition_clk) {
-				lvds.lvds.script |= 0x0100;
+				lvds_dual = true;
 			}
 
-			if (lvds.lvds.script & 0x0100) {
+			if (lvds_dual) {
 				if (bios->fp.strapless_is_24bit & 2)
-					lvds.lvds.script |= 0x0200;
+					lvds_8bpc = true;
 			} else {
 				if (bios->fp.strapless_is_24bit & 1)
-					lvds.lvds.script |= 0x0200;
+					lvds_8bpc = true;
 			}
 
 			if (asyh->or.bpc == 8)
-				lvds.lvds.script |= 0x0200;
+				lvds_8bpc = true;
 		}
 
-		nvif_outp_acquire_lvds(&nv_encoder->outp);
-		nvif_mthd(&disp->disp->object, 0, &lvds, sizeof(lvds));
+		nvif_outp_acquire_lvds(&nv_encoder->outp, lvds_dual, lvds_8bpc);
 		break;
 	case DCB_OUTPUT_DP:
 		nvif_outp_acquire_dp(&nv_encoder->outp, hda);

drivers/gpu/drm/nouveau/include/nvif/cl5070.h

@@ -30,7 +30,6 @@ struct nv50_disp_mthd_v1 {
 	__u8  version;
 #define NV50_DISP_MTHD_V1_SOR_HDA_ELD                                      0x21
 #define NV50_DISP_MTHD_V1_SOR_HDMI_PWR                                     0x22
-#define NV50_DISP_MTHD_V1_SOR_LVDS_SCRIPT                                  0x23
 #define NV50_DISP_MTHD_V1_SOR_DP_MST_LINK                                  0x25
 #define NV50_DISP_MTHD_V1_SOR_DP_MST_VCPI                                  0x26
 	__u8  method;
@@ -58,13 +57,6 @@ struct nv50_disp_sor_hdmi_pwr_v0 {
 	__u8  pad07[1];
 };
 
-struct nv50_disp_sor_lvds_script_v0 {
-	__u8  version;
-	__u8  pad01[1];
-	__u16 script;
-	__u8  pad04[4];
-};
-
 struct nv50_disp_sor_dp_mst_link_v0 {
 	__u8  version;
 	__u8  state;

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

@@ -40,6 +40,11 @@ union nvif_outp_acquire_args {
 				__u8 hda;
 				__u8 pad01[7];
 			} tmds;
+			struct {
+				__u8 dual;
+				__u8 bpc8;
+				__u8 pad02[6];
+			} lvds;
 			struct {
 				__u8 hda;
 				__u8 pad01[7];

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

@@ -18,7 +18,7 @@ void nvif_outp_dtor(struct nvif_outp *);
 int nvif_outp_load_detect(struct nvif_outp *, u32 loadval);
 int nvif_outp_acquire_rgb_crt(struct nvif_outp *);
 int nvif_outp_acquire_tmds(struct nvif_outp *, bool hda);
-int nvif_outp_acquire_lvds(struct nvif_outp *);
+int nvif_outp_acquire_lvds(struct nvif_outp *, bool dual, bool bpc8);
 int nvif_outp_acquire_dp(struct nvif_outp *, bool hda);
 void nvif_outp_release(struct nvif_outp *);
 #endif

drivers/gpu/drm/nouveau/include/nvkm/engine/disp.h

@@ -31,13 +31,7 @@ struct nvkm_disp {
 	struct {
 		unsigned long mask;
 		int nr;
-	} wndw, head, dac;
-
-	struct {
-		unsigned long mask;
-		int nr;
-		u32 lvdsconf;
-	} sor;
+	} wndw, head, dac, sor;
 
 	struct {
 		unsigned long mask;

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

@@ -66,13 +66,18 @@ nvif_outp_acquire_dp(struct nvif_outp *outp,  bool hda)
 }
 
 int
-nvif_outp_acquire_lvds(struct nvif_outp *outp)
+nvif_outp_acquire_lvds(struct nvif_outp *outp, bool dual, bool bpc8)
 {
 	struct nvif_outp_acquire_v0 args;
 	int ret;
 
+	args.lvds.dual = dual;
+	args.lvds.bpc8 = bpc8;
+
 	ret = nvif_outp_acquire(outp, NVIF_OUTP_ACQUIRE_V0_LVDS, &args);
-	NVIF_ERRON(ret, &outp->object, "[ACQUIRE proto:LVDS] or:%d link:%d", args.or, args.link);
+	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);
 	return ret;
 }
 

drivers/gpu/drm/nouveau/nvkm/engine/disp/nv50.c

@@ -1238,6 +1238,8 @@ nv50_disp_super_2_2(struct nvkm_disp *disp, struct nvkm_head *head)
 	if (!ior)
 		return;
 
+	outp = ior->asy.outp;
+
 	/* For some reason, NVIDIA decided not to:
 	 *
 	 * A) Give dual-link LVDS a separate EVO protocol, like for TMDS.
@@ -1247,13 +1249,13 @@ nv50_disp_super_2_2(struct nvkm_disp *disp, struct nvkm_head *head)
 	 * Override the values we usually read from HW with the same
 	 * data we pass though an ioctl instead.
 	 */
-	if (ior->type == SOR && ior->asy.proto == LVDS) {
-		head->asy.or.depth = (disp->sor.lvdsconf & 0x0200) ? 24 : 18;
-		ior->asy.link      = (disp->sor.lvdsconf & 0x0100) ? 3  : 1;
+	if (outp && ior->type == SOR && ior->asy.proto == LVDS) {
+		head->asy.or.depth = outp->lvds.bpc8 ? 24 : 18;
+		ior->asy.link      = outp->lvds.dual ? 3 : 1;
 	}
 
 	/* Handle any link training, etc. */
-	if ((outp = ior->asy.outp) && outp->func->acquire)
+	if (outp && outp->func->acquire)
 		outp->func->acquire(outp);
 
 	/* Execute OnInt2 IED script. */

drivers/gpu/drm/nouveau/nvkm/engine/disp/outp.h

@@ -27,6 +27,11 @@ struct nvkm_outp {
 	struct nvkm_ior *ior;
 
 	union {
+		struct {
+			bool dual;
+			bool bpc8;
+		} lvds;
+
 		struct {
 			struct nvbios_dpout info;
 			u8 version;

drivers/gpu/drm/nouveau/nvkm/engine/disp/rootnv50.c

@@ -169,22 +169,6 @@ nv50_disp_root_mthd_(struct nvkm_object *object, u32 mthd, void *data, u32 size)
 		return 0;
 	}
 		break;
-	case NV50_DISP_MTHD_V1_SOR_LVDS_SCRIPT: {
-		union {
-			struct nv50_disp_sor_lvds_script_v0 v0;
-		} *args = data;
-		int ret = -ENOSYS;
-		nvif_ioctl(object, "disp sor lvds script size %d\n", size);
-		if (!(ret = nvif_unpack(ret, &data, &size, args->v0, 0, 0, false))) {
-			nvif_ioctl(object, "disp sor lvds script "
-					   "vers %d name %04x\n",
-				   args->v0.version, args->v0.script);
-			disp->sor.lvdsconf = args->v0.script;
-			return 0;
-		} else
-			return ret;
-	}
-		break;
 	case NV50_DISP_MTHD_V1_SOR_DP_MST_LINK: {
 		union {
 			struct nv50_disp_sor_dp_mst_link_v0 v0;

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

@@ -37,6 +37,18 @@ nvkm_uoutp_mthd_release(struct nvkm_outp *outp, void *argv, u32 argc)
 	return 0;
 }
 
+static int
+nvkm_uoutp_mthd_acquire_lvds(struct nvkm_outp *outp, bool dual, bool bpc8)
+{
+	if (outp->info.type != DCB_OUTPUT_LVDS)
+		return -EINVAL;
+
+	outp->lvds.dual = dual;
+	outp->lvds.bpc8 = bpc8;
+
+	return nvkm_outp_acquire(outp, NVKM_OUTP_USER, false);
+}
+
 static int
 nvkm_uoutp_mthd_acquire(struct nvkm_outp *outp, void *argv, u32 argc)
 {
@@ -48,13 +60,15 @@ nvkm_uoutp_mthd_acquire(struct nvkm_outp *outp, void *argv, u32 argc)
 
 	switch (args->v0.proto) {
 	case NVIF_OUTP_ACQUIRE_V0_RGB_CRT:
-	case NVIF_OUTP_ACQUIRE_V0_LVDS:
 		ret = nvkm_outp_acquire(outp, NVKM_OUTP_USER, false);
 		break;
 	case NVIF_OUTP_ACQUIRE_V0_TMDS:
 	case NVIF_OUTP_ACQUIRE_V0_DP:
 		ret = nvkm_outp_acquire(outp, NVKM_OUTP_USER, args->v0.dp.hda);
 		break;
+	case NVIF_OUTP_ACQUIRE_V0_LVDS:
+		ret = nvkm_uoutp_mthd_acquire_lvds(outp, args->v0.lvds.dual, args->v0.lvds.bpc8);
+		break;
 	default:
 		ret = -EINVAL;
 		break;