drm/nouveau/kms/nv50: modify core allocation so the code can be split

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

diff --git a/drivers/gpu/drm/nouveau/dispnv50/disp.c b/drivers/gpu/drm/nouveau/dispnv50/disp.c
index f0edf9b..abdf39e 100644 (file)
--- a/drivers/gpu/drm/nouveau/dispnv50/disp.c
+++ b/drivers/gpu/drm/nouveau/dispnv50/disp.c
@@ -426,39 +426,6 @@ nv50_dmac_create(struct nvif_device *device, struct nvif_object *disp,
 }
 
 /******************************************************************************
- * Core
- *****************************************************************************/
-
-struct nv50_mast {
-       struct nv50_dmac base;
-};
-
-static int
-nv50_core_create(struct nvif_device *device, struct nvif_object *disp,
-                u64 syncbuf, struct nv50_mast *core)
-{
-       struct nv50_disp_core_channel_dma_v0 args = {};
-       static const s32 oclass[] = {
-               GP102_DISP_CORE_CHANNEL_DMA,
-               GP100_DISP_CORE_CHANNEL_DMA,
-               GM200_DISP_CORE_CHANNEL_DMA,
-               GM107_DISP_CORE_CHANNEL_DMA,
-               GK110_DISP_CORE_CHANNEL_DMA,
-               GK104_DISP_CORE_CHANNEL_DMA,
-               GF110_DISP_CORE_CHANNEL_DMA,
-               GT214_DISP_CORE_CHANNEL_DMA,
-               GT206_DISP_CORE_CHANNEL_DMA,
-               GT200_DISP_CORE_CHANNEL_DMA,
-               G82_DISP_CORE_CHANNEL_DMA,
-               NV50_DISP_CORE_CHANNEL_DMA,
-               0
-       };
-
-       return nv50_dmac_create(device, disp, oclass, 0, &args, sizeof(args),
-                               syncbuf, &core->base);
-}
-
-/******************************************************************************
  * Base
  *****************************************************************************/
 
@@ -477,14 +444,10 @@ struct nv50_head {
 };
 
 #define nv50_head(c) ((struct nv50_head *)nouveau_crtc(c))
-#define nv50_ovly(c) (&nv50_head(c)->ovly)
-#define nv50_oimm(c) (&nv50_head(c)->oimm)
-#define nv50_chan(c) (&(c)->base.base)
-#define nv50_vers(c) nv50_chan(c)->user.oclass
 
 struct nv50_disp {
        struct nvif_disp *disp;
-       struct nv50_mast mast;
+       struct nv50_core *core;
 
        struct nouveau_bo *sync;
 
@@ -497,7 +460,41 @@ nv50_disp(struct drm_device *dev)
        return nouveau_display(dev)->priv;
 }
 
-#define nv50_mast(d) (&nv50_disp(d)->mast)
+/******************************************************************************
+ * Core
+ *****************************************************************************/
+
+struct nv50_core {
+       const struct nv50_core_func *func;
+       struct nv50_dmac chan;
+};
+
+struct nv50_core_func {
+};
+
+static int
+core507d_new_(const struct nv50_core_func *func, struct nouveau_drm *drm,
+             s32 oclass, struct nv50_core **pcore)
+{
+       struct nv50_disp_core_channel_dma_v0 args = {};
+       struct nv50_disp *disp = nv50_disp(drm->dev);
+       struct nv50_core *core;
+       int ret;
+
+       if (!(core = *pcore = kzalloc(sizeof(*core), GFP_KERNEL)))
+               return -ENOMEM;
+       core->func = func;
+
+       ret = nv50_dmac_create(&drm->client.device, &disp->disp->object,
+                              &oclass, 0, &args, sizeof(args),
+                              disp->sync->bo.offset, &core->chan);
+       if (ret) {
+               NV_ERROR(drm, "core%04x allocation failed: %d\n", oclass, ret);
+               return ret;
+       }
+
+       return 0;
+}
 
 /******************************************************************************
  * EVO channel helpers
@@ -1175,7 +1172,7 @@ static void
 nv50_curs_prepare(struct nv50_wndw *wndw, struct nv50_head_atom *asyh,
                  struct nv50_wndw_atom *asyw)
 {
-       u32 handle = nv50_disp(wndw->plane.dev)->mast.base.vram.handle;
+       u32 handle = nv50_disp(wndw->plane.dev)->core->chan.vram.handle;
        u32 offset = asyw->image.offset;
        if (asyh->curs.handle != handle || asyh->curs.offset != offset) {
                asyh->curs.handle = handle;
@@ -1263,7 +1260,7 @@ curs507a_new_(const struct nv50_wimm_func *func, struct nouveau_drm *drm,
 
        nvif_object_map(&wndw->wimm.base.user, NULL, 0);
        wndw->immd = func;
-       wndw->ctxdma.parent = &disp->mast.base.base.user;
+       wndw->ctxdma.parent = &disp->core->chan.base.user;
        return 0;
 }
 
@@ -1616,7 +1613,7 @@ nv50_base_new(struct nouveau_drm *drm, int head, struct nv50_wndw **pwndw)
 static void
 nv50_head_procamp(struct nv50_head *head, struct nv50_head_atom *asyh)
 {
-       struct nv50_dmac *core = &nv50_disp(head->base.base.dev)->mast.base;
+       struct nv50_dmac *core = &nv50_disp(head->base.base.dev)->core->chan;
        u32 *push;
        if ((push = evo_wait(core, 2))) {
                if (core->base.user.oclass < GF110_DISP_CORE_CHANNEL_DMA)
@@ -1632,7 +1629,7 @@ nv50_head_procamp(struct nv50_head *head, struct nv50_head_atom *asyh)
 static void
 nv50_head_dither(struct nv50_head *head, struct nv50_head_atom *asyh)
 {
-       struct nv50_dmac *core = &nv50_disp(head->base.base.dev)->mast.base;
+       struct nv50_dmac *core = &nv50_disp(head->base.base.dev)->core->chan;
        u32 *push;
        if ((push = evo_wait(core, 2))) {
                if (core->base.user.oclass < GF110_DISP_CORE_CHANNEL_DMA)
@@ -1652,7 +1649,7 @@ nv50_head_dither(struct nv50_head *head, struct nv50_head_atom *asyh)
 static void
 nv50_head_ovly(struct nv50_head *head, struct nv50_head_atom *asyh)
 {
-       struct nv50_dmac *core = &nv50_disp(head->base.base.dev)->mast.base;
+       struct nv50_dmac *core = &nv50_disp(head->base.base.dev)->core->chan;
        u32 bounds = 0;
        u32 *push;
 
@@ -1681,7 +1678,7 @@ nv50_head_ovly(struct nv50_head *head, struct nv50_head_atom *asyh)
 static void
 nv50_head_base(struct nv50_head *head, struct nv50_head_atom *asyh)
 {
-       struct nv50_dmac *core = &nv50_disp(head->base.base.dev)->mast.base;
+       struct nv50_dmac *core = &nv50_disp(head->base.base.dev)->core->chan;
        u32 bounds = 0;
        u32 *push;
 
@@ -1711,7 +1708,7 @@ nv50_head_base(struct nv50_head *head, struct nv50_head_atom *asyh)
 static void
 nv50_head_curs_clr(struct nv50_head *head)
 {
-       struct nv50_dmac *core = &nv50_disp(head->base.base.dev)->mast.base;
+       struct nv50_dmac *core = &nv50_disp(head->base.base.dev)->core->chan;
        u32 *push;
        if ((push = evo_wait(core, 4))) {
                if (core->base.user.oclass < G82_DISP_CORE_CHANNEL_DMA) {
@@ -1736,7 +1733,7 @@ nv50_head_curs_clr(struct nv50_head *head)
 static void
 nv50_head_curs_set(struct nv50_head *head, struct nv50_head_atom *asyh)
 {
-       struct nv50_dmac *core = &nv50_disp(head->base.base.dev)->mast.base;
+       struct nv50_dmac *core = &nv50_disp(head->base.base.dev)->core->chan;
        u32 *push;
        if ((push = evo_wait(core, 5))) {
                if (core->base.user.oclass < G82_DISP_BASE_CHANNEL_DMA) {
@@ -1767,7 +1764,7 @@ nv50_head_curs_set(struct nv50_head *head, struct nv50_head_atom *asyh)
 static void
 nv50_head_core_clr(struct nv50_head *head)
 {
-       struct nv50_dmac *core = &nv50_disp(head->base.base.dev)->mast.base;
+       struct nv50_dmac *core = &nv50_disp(head->base.base.dev)->core->chan;
        u32 *push;
        if ((push = evo_wait(core, 2))) {
                if (core->base.user.oclass < GF110_DISP_CORE_CHANNEL_DMA)
@@ -1782,7 +1779,7 @@ nv50_head_core_clr(struct nv50_head *head)
 static void
 nv50_head_core_set(struct nv50_head *head, struct nv50_head_atom *asyh)
 {
-       struct nv50_dmac *core = &nv50_disp(head->base.base.dev)->mast.base;
+       struct nv50_dmac *core = &nv50_disp(head->base.base.dev)->core->chan;
        u32 *push;
        if ((push = evo_wait(core, 9))) {
                if (core->base.user.oclass < G82_DISP_CORE_CHANNEL_DMA) {
@@ -1836,7 +1833,7 @@ nv50_head_core_set(struct nv50_head *head, struct nv50_head_atom *asyh)
 static void
 nv50_head_lut_clr(struct nv50_head *head)
 {
-       struct nv50_dmac *core = &nv50_disp(head->base.base.dev)->mast.base;
+       struct nv50_dmac *core = &nv50_disp(head->base.base.dev)->core->chan;
        u32 *push;
        if ((push = evo_wait(core, 4))) {
                if (core->base.user.oclass < G82_DISP_CORE_CHANNEL_DMA) {
@@ -1909,7 +1906,7 @@ nv50_head_lut_load(struct drm_property_blob *blob, int mode,
 static void
 nv50_head_lut_set(struct nv50_head *head, struct nv50_head_atom *asyh)
 {
-       struct nv50_dmac *core = &nv50_disp(head->base.base.dev)->mast.base;
+       struct nv50_dmac *core = &nv50_disp(head->base.base.dev)->core->chan;
        u32 *push;
        if ((push = evo_wait(core, 7))) {
                if (core->base.user.oclass < G82_DISP_CORE_CHANNEL_DMA) {
@@ -1939,7 +1936,7 @@ nv50_head_lut_set(struct nv50_head *head, struct nv50_head_atom *asyh)
 static void
 nv50_head_mode(struct nv50_head *head, struct nv50_head_atom *asyh)
 {
-       struct nv50_dmac *core = &nv50_disp(head->base.base.dev)->mast.base;
+       struct nv50_dmac *core = &nv50_disp(head->base.base.dev)->core->chan;
        struct nv50_head_mode *m = &asyh->mode;
        u32 *push;
        if ((push = evo_wait(core, 14))) {
@@ -1980,7 +1977,7 @@ nv50_head_mode(struct nv50_head *head, struct nv50_head_atom *asyh)
 static void
 nv50_head_view(struct nv50_head *head, struct nv50_head_atom *asyh)
 {
-       struct nv50_dmac *core = &nv50_disp(head->base.base.dev)->mast.base;
+       struct nv50_dmac *core = &nv50_disp(head->base.base.dev)->core->chan;
        u32 *push;
        if ((push = evo_wait(core, 10))) {
                if (core->base.user.oclass < GF110_DISP_CORE_CHANNEL_DMA) {
@@ -2191,7 +2188,7 @@ nv50_head_atomic_check_lut(struct nv50_head *head,
                asyh->lut.mode = 7;
                asyh->set.ilut = asyh->state.color_mgmt_changed;
        }
-       asyh->lut.handle = disp->mast.base.vram.handle;
+       asyh->lut.handle = disp->core->chan.vram.handle;
 }
 
 static void
@@ -2311,7 +2308,7 @@ nv50_head_atomic_check(struct drm_crtc *crtc, struct drm_crtc_state *state)
                        asyh->core.w = asyh->state.mode.hdisplay;
                        asyh->core.h = asyh->state.mode.vdisplay;
                }
-               asyh->core.handle = disp->mast.base.vram.handle;
+               asyh->core.handle = disp->core->chan.vram.handle;
                asyh->core.offset = 0;
                asyh->core.format = 0xcf;
                asyh->core.kind = 0;
@@ -2483,6 +2480,61 @@ out:
        return ret;
 }
 
+static const struct nv50_core_func
+core507d = {
+};
+
+static int
+core507d_new(struct nouveau_drm *drm, s32 oclass, struct nv50_core **pcore)
+{
+       return core507d_new_(&core507d, drm, oclass, pcore);
+}
+
+static void
+nv50_core_del(struct nv50_core **pcore)
+{
+       struct nv50_core *core = *pcore;
+       if (core) {
+               nv50_dmac_destroy(&core->chan);
+               kfree(*pcore);
+               *pcore = NULL;
+       }
+}
+
+static int
+nv50_core_new(struct nouveau_drm *drm, struct nv50_core **pcore)
+{
+       struct {
+               s32 oclass;
+               int version;
+               int (*new)(struct nouveau_drm *, s32, struct nv50_core **);
+       } cores[] = {
+               { GP102_DISP_CORE_CHANNEL_DMA, 0, core507d_new },
+               { GP100_DISP_CORE_CHANNEL_DMA, 0, core507d_new },
+               { GM200_DISP_CORE_CHANNEL_DMA, 0, core507d_new },
+               { GM107_DISP_CORE_CHANNEL_DMA, 0, core507d_new },
+               { GK110_DISP_CORE_CHANNEL_DMA, 0, core507d_new },
+               { GK104_DISP_CORE_CHANNEL_DMA, 0, core507d_new },
+               { GF110_DISP_CORE_CHANNEL_DMA, 0, core507d_new },
+               { GT214_DISP_CORE_CHANNEL_DMA, 0, core507d_new },
+               { GT206_DISP_CORE_CHANNEL_DMA, 0, core507d_new },
+               { GT200_DISP_CORE_CHANNEL_DMA, 0, core507d_new },
+               {   G82_DISP_CORE_CHANNEL_DMA, 0, core507d_new },
+               {  NV50_DISP_CORE_CHANNEL_DMA, 0, core507d_new },
+               {}
+       };
+       struct nv50_disp *disp = nv50_disp(drm->dev);
+       int cid;
+
+       cid = nvif_mclass(&disp->disp->object, cores);
+       if (cid < 0) {
+               NV_ERROR(drm, "No supported core channel class\n");
+               return cid;
+       }
+
+       return cores[cid].new(drm, cores[cid].oclass, pcore);
+}
+
 /******************************************************************************
  * Output path helpers
  *****************************************************************************/
@@ -2591,21 +2643,21 @@ static void
 nv50_dac_disable(struct drm_encoder *encoder)
 {
        struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder);
-       struct nv50_mast *mast = nv50_mast(encoder->dev);
+       struct nv50_dmac *core = &nv50_disp(encoder->dev)->core->chan;
        const int or = nv_encoder->or;
        u32 *push;
 
        if (nv_encoder->crtc) {
-               push = evo_wait(mast, 4);
+               push = evo_wait(core, 4);
                if (push) {
-                       if (nv50_vers(mast) < GF110_DISP_CORE_CHANNEL_DMA) {
+                       if (core->base.user.oclass < GF110_DISP_CORE_CHANNEL_DMA) {
                                evo_mthd(push, 0x0400 + (or * 0x080), 1);
                                evo_data(push, 0x00000000);
                        } else {
                                evo_mthd(push, 0x0180 + (or * 0x020), 1);
                                evo_data(push, 0x00000000);
                        }
-                       evo_kick(push, mast);
+                       evo_kick(push, core);
                }
        }
 
@@ -2616,7 +2668,7 @@ nv50_dac_disable(struct drm_encoder *encoder)
 static void
 nv50_dac_enable(struct drm_encoder *encoder)
 {
-       struct nv50_mast *mast = nv50_mast(encoder->dev);
+       struct nv50_dmac *core = &nv50_disp(encoder->dev)->core->chan;
        struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder);
        struct nouveau_crtc *nv_crtc = nouveau_crtc(encoder->crtc);
        struct drm_display_mode *mode = &nv_crtc->base.state->adjusted_mode;
@@ -2624,9 +2676,9 @@ nv50_dac_enable(struct drm_encoder *encoder)
 
        nv50_outp_acquire(nv_encoder);
 
-       push = evo_wait(mast, 8);
+       push = evo_wait(core, 8);
        if (push) {
-               if (nv50_vers(mast) < GF110_DISP_CORE_CHANNEL_DMA) {
+               if (core->base.user.oclass < GF110_DISP_CORE_CHANNEL_DMA) {
                        u32 syncs = 0x00000000;
 
                        if (mode->flags & DRM_MODE_FLAG_NHSYNC)
@@ -2656,7 +2708,7 @@ nv50_dac_enable(struct drm_encoder *encoder)
                        evo_data(push, 1 << nv_crtc->index);
                }
 
-               evo_kick(push, mast);
+               evo_kick(push, core);
        }
 
        nv_encoder->crtc = encoder->crtc;
@@ -3526,7 +3578,8 @@ static void
 nv50_sor_update(struct nouveau_encoder *nv_encoder, u8 head,
                struct drm_display_mode *mode, u8 proto, u8 depth)
 {
-       struct nv50_dmac *core = &nv50_mast(nv_encoder->base.base.dev)->base;
+       struct nv50_disp *disp = nv50_disp(nv_encoder->base.base.dev);
+       struct nv50_dmac *core = &disp->core->chan;
        u32 *push;
 
        if (!mode) {
@@ -3809,18 +3862,18 @@ static void
 nv50_pior_disable(struct drm_encoder *encoder)
 {
        struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder);
-       struct nv50_mast *mast = nv50_mast(encoder->dev);
+       struct nv50_dmac *core = &nv50_disp(encoder->dev)->core->chan;
        const int or = nv_encoder->or;
        u32 *push;
 
        if (nv_encoder->crtc) {
-               push = evo_wait(mast, 4);
+               push = evo_wait(core, 4);
                if (push) {
-                       if (nv50_vers(mast) < GF110_DISP_CORE_CHANNEL_DMA) {
+                       if (core->base.user.oclass < GF110_DISP_CORE_CHANNEL_DMA) {
                                evo_mthd(push, 0x0700 + (or * 0x040), 1);
                                evo_data(push, 0x00000000);
                        }
-                       evo_kick(push, mast);
+                       evo_kick(push, core);
                }
        }
 
@@ -3831,7 +3884,7 @@ nv50_pior_disable(struct drm_encoder *encoder)
 static void
 nv50_pior_enable(struct drm_encoder *encoder)
 {
-       struct nv50_mast *mast = nv50_mast(encoder->dev);
+       struct nv50_dmac *core = &nv50_disp(encoder->dev)->core->chan;
        struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder);
        struct nouveau_crtc *nv_crtc = nouveau_crtc(encoder->crtc);
        struct nouveau_connector *nv_connector;
@@ -3860,9 +3913,9 @@ nv50_pior_enable(struct drm_encoder *encoder)
                break;
        }
 
-       push = evo_wait(mast, 8);
+       push = evo_wait(core, 8);
        if (push) {
-               if (nv50_vers(mast) < GF110_DISP_CORE_CHANNEL_DMA) {
+               if (core->base.user.oclass < GF110_DISP_CORE_CHANNEL_DMA) {
                        u32 ctrl = (depth << 16) | (proto << 8) | owner;
                        if (mode->flags & DRM_MODE_FLAG_NHSYNC)
                                ctrl |= 0x00001000;
@@ -3872,7 +3925,7 @@ nv50_pior_enable(struct drm_encoder *encoder)
                        evo_data(push, ctrl);
                }
 
-               evo_kick(push, mast);
+               evo_kick(push, core);
        }
 
        nv_encoder->crtc = encoder->crtc;
@@ -3950,7 +4003,7 @@ static void
 nv50_disp_atomic_commit_core(struct nouveau_drm *drm, u32 interlock)
 {
        struct nv50_disp *disp = nv50_disp(drm->dev);
-       struct nv50_dmac *core = &disp->mast.base;
+       struct nv50_dmac *core = &disp->core->chan;
        struct nv50_mstm *mstm;
        struct drm_encoder *encoder;
        u32 *push;
@@ -4134,11 +4187,11 @@ nv50_disp_atomic_commit_tail(struct drm_atomic_state *state)
        /* Flush update. */
        if (interlock_core) {
                if (!interlock_chan && atom->state.legacy_cursor_update) {
-                       u32 *push = evo_wait(&disp->mast, 2);
+                       u32 *push = evo_wait(&disp->core->chan, 2);
                        if (push) {
                                evo_mthd(push, 0x0080, 1);
                                evo_data(push, 0x00000000);
-                               evo_kick(push, &disp->mast);
+                               evo_kick(push, &disp->core->chan);
                        }
                } else {
                        nv50_disp_atomic_commit_core(drm, interlock_chan);
@@ -4442,17 +4495,18 @@ nv50_display_fini(struct drm_device *dev)
 int
 nv50_display_init(struct drm_device *dev)
 {
+       struct nv50_dmac *core = &nv50_disp(dev)->core->chan;
        struct drm_encoder *encoder;
        struct drm_plane *plane;
        u32 *push;
 
-       push = evo_wait(nv50_mast(dev), 32);
+       push = evo_wait(core, 32);
        if (!push)
                return -EBUSY;
 
        evo_mthd(push, 0x0088, 1);
-       evo_data(push, nv50_mast(dev)->base.sync.handle);
-       evo_kick(push, nv50_mast(dev));
+       evo_data(push, core->sync.handle);
+       evo_kick(push, core);
 
        list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
                if (encoder->encoder_type != DRM_MODE_ENCODER_DPMST) {
@@ -4477,7 +4531,7 @@ nv50_display_destroy(struct drm_device *dev)
 {
        struct nv50_disp *disp = nv50_disp(dev);
 
-       nv50_dmac_destroy(&disp->mast.base);
+       nv50_core_del(&disp->core);
 
        nouveau_bo_unmap(disp->sync);
        if (disp->sync)
@@ -4537,8 +4591,7 @@ nv50_display_create(struct drm_device *dev)
                goto out;
 
        /* allocate master evo channel */
-       ret = nv50_core_create(device, &disp->disp->object,
-                              disp->sync->bo.offset, &disp->mast);
+       ret = nv50_core_new(drm, &disp->core);
        if (ret)
                goto out;