drm/nouveau/kms/nv50-: modify base 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 33cb358..f0edf9b 100644 (file)
--- a/drivers/gpu/drm/nouveau/dispnv50/disp.c
+++ b/drivers/gpu/drm/nouveau/dispnv50/disp.c
@@ -468,28 +468,6 @@ struct nv50_sync {
        u32 data;
 };
 
-static int
-nv50_base_create(struct nvif_device *device, struct nvif_object *disp,
-                int head, u64 syncbuf, struct nv50_sync *base)
-{
-       struct nv50_disp_base_channel_dma_v0 args = {
-               .head = head,
-       };
-       static const s32 oclass[] = {
-               GK110_DISP_BASE_CHANNEL_DMA,
-               GK104_DISP_BASE_CHANNEL_DMA,
-               GF110_DISP_BASE_CHANNEL_DMA,
-               GT214_DISP_BASE_CHANNEL_DMA,
-               GT200_DISP_BASE_CHANNEL_DMA,
-               G82_DISP_BASE_CHANNEL_DMA,
-               NV50_DISP_BASE_CHANNEL_DMA,
-               0
-       };
-
-       return nv50_dmac_create(device, disp, oclass, head, &args, sizeof(args),
-                               syncbuf, &base->base);
-}
-
 struct nv50_head {
        struct nouveau_crtc base;
        struct {
@@ -581,7 +559,6 @@ evo_kick(u32 *push, void *evoc)
 struct nv50_wndw {
        const struct nv50_wndw_func *func;
        const struct nv50_wimm_func *immd;
-       struct nv50_dmac *dmac;
        int id;
 
        struct {
@@ -601,7 +578,6 @@ struct nv50_wndw {
 };
 
 struct nv50_wndw_func {
-       void *(*dtor)(struct nv50_wndw *);
        int (*acquire)(struct nv50_wndw *, struct nv50_wndw_atom *asyw,
                       struct nv50_head_atom *asyh);
        void (*release)(struct nv50_wndw *, struct nv50_wndw_atom *asyw,
@@ -959,19 +935,16 @@ nv50_wndw_destroy(struct drm_plane *plane)
 {
        struct nv50_wndw *wndw = nv50_wndw(plane);
        struct nv50_wndw_ctxdma *ctxdma, *ctxtmp;
-       void *data = wndw;
 
        list_for_each_entry_safe(ctxdma, ctxtmp, &wndw->ctxdma.list, head) {
                nv50_wndw_ctxdma_del(ctxdma);
        }
 
        nvif_notify_fini(&wndw->notify);
-       if (wndw->func->dtor)
-               data = wndw->func->dtor(wndw);
        nv50_dmac_destroy(&wndw->wimm);
        nv50_dmac_destroy(&wndw->wndw);
        drm_plane_cleanup(&wndw->plane);
-       kfree(data);
+       kfree(wndw);
 }
 
 static const struct drm_plane_funcs
@@ -984,6 +957,12 @@ nv50_wndw = {
        .atomic_destroy_state = nv50_wndw_atomic_destroy_state,
 };
 
+static int
+nv50_wndw_notify(struct nvif_notify *notify)
+{
+       return NVIF_NOTIFY_KEEP;
+}
+
 static void
 nv50_wndw_fini(struct nv50_wndw *wndw)
 {
@@ -997,29 +976,6 @@ nv50_wndw_init(struct nv50_wndw *wndw)
 }
 
 static int
-nv50_wndw_ctor(const struct nv50_wndw_func *func, struct drm_device *dev,
-              enum drm_plane_type type, const char *name, int index,
-              struct nv50_dmac *dmac, const u32 *format, int nformat,
-              struct nv50_wndw *wndw)
-{
-       int ret;
-
-       wndw->func = func;
-       wndw->dmac = dmac;
-       wndw->ctxdma.parent = &dmac->base.user;
-
-       ret = drm_universal_plane_init(dev, &wndw->plane, 0, &nv50_wndw,
-                                      format, nformat, NULL,
-                                      type, "%s-%d", name, index);
-       if (ret)
-               return ret;
-
-       drm_plane_helper_add(&wndw->plane, &nv50_wndw_helper);
-       INIT_LIST_HEAD(&wndw->ctxdma.list);
-       return 0;
-}
-
-static int
 nv50_wndw_new_(const struct nv50_wndw_func *func, struct drm_device *dev,
               enum drm_plane_type type, const char *name, int index,
               const u32 *format, struct nv50_wndw **pwndw)
@@ -1030,18 +986,27 @@ nv50_wndw_new_(const struct nv50_wndw_func *func, struct drm_device *dev,
 
        if (!(wndw = *pwndw = kzalloc(sizeof(*wndw), GFP_KERNEL)))
                return -ENOMEM;
+       wndw->func = func;
        wndw->id = index;
 
+       wndw->ctxdma.parent = &wndw->wndw.base.user;
+       INIT_LIST_HEAD(&wndw->ctxdma.list);
+
        for (nformat = 0; format[nformat]; nformat++);
 
-       ret = nv50_wndw_ctor(func, dev, type, name, index,
-                            &wndw->wndw, format, nformat, wndw);
+       ret = drm_universal_plane_init(dev, &wndw->plane, 0, &nv50_wndw,
+                                      format, nformat, NULL,
+                                      type, "%s-%d", name, index);
        if (ret) {
                kfree(*pwndw);
                *pwndw = NULL;
+               return ret;
        }
 
-       return ret;
+       drm_plane_helper_add(&wndw->plane, &nv50_wndw_helper);
+
+       wndw->notify.func = nv50_wndw_notify;
+       return 0;
 }
 
 /******************************************************************************
@@ -1339,53 +1304,36 @@ nv50_curs_new(struct nouveau_drm *drm, int head, struct nv50_wndw **pwndw)
 /******************************************************************************
  * Primary plane
  *****************************************************************************/
-#define nv50_base(p) container_of((p), struct nv50_base, wndw)
-
-struct nv50_base {
-       struct nv50_wndw wndw;
-       struct nv50_sync chan;
-       int id;
-};
-
-static int
-nv50_base_notify(struct nvif_notify *notify)
-{
-       return NVIF_NOTIFY_KEEP;
-}
-
 static void
 nv50_base_lut(struct nv50_wndw *wndw, struct nv50_wndw_atom *asyw)
 {
-       struct nv50_base *base = nv50_base(wndw);
        u32 *push;
-       if ((push = evo_wait(&base->chan, 2))) {
+       if ((push = evo_wait(&wndw->wndw, 2))) {
                evo_mthd(push, 0x00e0, 1);
                evo_data(push, asyw->lut.enable << 30);
-               evo_kick(push, &base->chan);
+               evo_kick(push, &wndw->wndw);
        }
 }
 
 static void
 nv50_base_image_clr(struct nv50_wndw *wndw)
 {
-       struct nv50_base *base = nv50_base(wndw);
        u32 *push;
-       if ((push = evo_wait(&base->chan, 4))) {
+       if ((push = evo_wait(&wndw->wndw, 4))) {
                evo_mthd(push, 0x0084, 1);
                evo_data(push, 0x00000000);
                evo_mthd(push, 0x00c0, 1);
                evo_data(push, 0x00000000);
-               evo_kick(push, &base->chan);
+               evo_kick(push, &wndw->wndw);
        }
 }
 
 static void
 nv50_base_image_set(struct nv50_wndw *wndw, struct nv50_wndw_atom *asyw)
 {
-       struct nv50_base *base = nv50_base(wndw);
-       const s32 oclass = base->chan.base.base.user.oclass;
+       const s32 oclass = wndw->wndw.base.user.oclass;
        u32 *push;
-       if ((push = evo_wait(&base->chan, 10))) {
+       if ((push = evo_wait(&wndw->wndw, 10))) {
                evo_mthd(push, 0x0084, 1);
                evo_data(push, (asyw->image.mode << 8) |
                               (asyw->image.interval << 4));
@@ -1421,77 +1369,72 @@ nv50_base_image_set(struct nv50_wndw *wndw, struct nv50_wndw_atom *asyw)
                                        asyw->image.block);
                        evo_data(push, asyw->image.format << 8);
                }
-               evo_kick(push, &base->chan);
+               evo_kick(push, &wndw->wndw);
        }
 }
 
 static void
 nv50_base_ntfy_clr(struct nv50_wndw *wndw)
 {
-       struct nv50_base *base = nv50_base(wndw);
        u32 *push;
-       if ((push = evo_wait(&base->chan, 2))) {
+       if ((push = evo_wait(&wndw->wndw, 2))) {
                evo_mthd(push, 0x00a4, 1);
                evo_data(push, 0x00000000);
-               evo_kick(push, &base->chan);
+               evo_kick(push, &wndw->wndw);
        }
 }
 
 static void
 nv50_base_ntfy_set(struct nv50_wndw *wndw, struct nv50_wndw_atom *asyw)
 {
-       struct nv50_base *base = nv50_base(wndw);
        u32 *push;
-       if ((push = evo_wait(&base->chan, 3))) {
+       if ((push = evo_wait(&wndw->wndw, 3))) {
                evo_mthd(push, 0x00a0, 2);
                evo_data(push, (asyw->ntfy.awaken << 30) | asyw->ntfy.offset);
                evo_data(push, asyw->ntfy.handle);
-               evo_kick(push, &base->chan);
+               evo_kick(push, &wndw->wndw);
        }
 }
 
 static void
 nv50_base_sema_clr(struct nv50_wndw *wndw)
 {
-       struct nv50_base *base = nv50_base(wndw);
        u32 *push;
-       if ((push = evo_wait(&base->chan, 2))) {
+       if ((push = evo_wait(&wndw->wndw, 2))) {
                evo_mthd(push, 0x0094, 1);
                evo_data(push, 0x00000000);
-               evo_kick(push, &base->chan);
+               evo_kick(push, &wndw->wndw);
        }
 }
 
 static void
 nv50_base_sema_set(struct nv50_wndw *wndw, struct nv50_wndw_atom *asyw)
 {
-       struct nv50_base *base = nv50_base(wndw);
        u32 *push;
-       if ((push = evo_wait(&base->chan, 5))) {
+       if ((push = evo_wait(&wndw->wndw, 5))) {
                evo_mthd(push, 0x0088, 4);
                evo_data(push, asyw->sema.offset);
                evo_data(push, asyw->sema.acquire);
                evo_data(push, asyw->sema.release);
                evo_data(push, asyw->sema.handle);
-               evo_kick(push, &base->chan);
+               evo_kick(push, &wndw->wndw);
        }
 }
 
 static u32
 nv50_base_update(struct nv50_wndw *wndw, u32 interlock)
 {
-       struct nv50_base *base = nv50_base(wndw);
        u32 *push;
 
-       if (!(push = evo_wait(&base->chan, 2)))
+       if (!(push = evo_wait(&wndw->wndw, 2)))
                return 0;
        evo_mthd(push, 0x0080, 1);
        evo_data(push, interlock);
-       evo_kick(push, &base->chan);
+       evo_kick(push, &wndw->wndw);
 
-       if (base->chan.base.base.user.oclass < GF110_DISP_BASE_CHANNEL_DMA)
-               return interlock ? 2 << (base->id * 8) : 0;
-       return interlock ? 2 << (base->id * 4) : 0;
+       if (wndw->wndw.base.user.oclass < GF110_DISP_BASE_CHANNEL_DMA)
+               return interlock ? 2 << (wndw->id * 8) : 0;
+       return interlock ? 2 << (wndw->id * 4) : 0;
 }
 
 static int
@@ -1561,14 +1504,6 @@ nv50_base_acquire(struct nv50_wndw *wndw, struct nv50_wndw_atom *asyw,
        return 0;
 }
 
-static void *
-nv50_base_dtor(struct nv50_wndw *wndw)
-{
-       struct nv50_base *base = nv50_base(wndw);
-       nv50_dmac_destroy(&base->chan.base);
-       return base;
-}
-
 static const u32
 nv50_base_format[] = {
        DRM_FORMAT_C8,
@@ -1581,11 +1516,11 @@ nv50_base_format[] = {
        DRM_FORMAT_ABGR2101010,
        DRM_FORMAT_XBGR8888,
        DRM_FORMAT_ABGR8888,
+       0
 };
 
 static const struct nv50_wndw_func
 nv50_base = {
-       .dtor = nv50_base_dtor,
        .acquire = nv50_base_acquire,
        .release = nv50_base_release,
        .sema_set = nv50_base_sema_set,
@@ -1600,41 +1535,79 @@ nv50_base = {
 };
 
 static int
-nv50_base_new(struct nouveau_drm *drm, struct nv50_head *head,
-             struct nv50_base **pbase)
+base507c_new_(const struct nv50_wndw_func *func, const u32 *format,
+             struct nouveau_drm *drm, int head, s32 oclass,
+             struct nv50_wndw **pwndw)
 {
+       struct nv50_disp_base_channel_dma_v0 args = {
+               .head = head,
+       };
        struct nv50_disp *disp = nv50_disp(drm->dev);
-       struct nv50_base *base;
+       struct nv50_wndw *wndw;
        int ret;
 
-       if (!(base = *pbase = kzalloc(sizeof(*base), GFP_KERNEL)))
-               return -ENOMEM;
-       base->id = head->base.index;
-       base->wndw.ntfy = EVO_FLIP_NTFY0(base->id);
-       base->wndw.sema = EVO_FLIP_SEM0(base->id);
-       base->wndw.data = 0x00000000;
-
-       ret = nv50_wndw_ctor(&nv50_base, drm->dev, DRM_PLANE_TYPE_PRIMARY,
-                            "base", base->id, &base->chan.base,
-                            nv50_base_format, ARRAY_SIZE(nv50_base_format),
-                            &base->wndw);
+       ret = nv50_wndw_new_(func, drm->dev, DRM_PLANE_TYPE_PRIMARY,
+                            "base", head, format, &wndw);
+       if (*pwndw = wndw, ret)
+               return ret;
+
+       ret = nv50_dmac_create(&drm->client.device, &disp->disp->object,
+                              &oclass, head, &args, sizeof(args),
+                              disp->sync->bo.offset, &wndw->wndw);
        if (ret) {
-               kfree(base);
+               NV_ERROR(drm, "base%04x allocation failed: %d\n", oclass, ret);
                return ret;
        }
 
-       ret = nv50_base_create(&drm->client.device, &disp->disp->object,
-                              base->id, disp->sync->bo.offset, &base->chan);
+       ret = nvif_notify_init(&wndw->wndw.base.user, wndw->notify.func,
+                              false, NV50_DISP_BASE_CHANNEL_DMA_V0_NTFY_UEVENT,
+                              &(struct nvif_notify_uevent_req) {},
+                              sizeof(struct nvif_notify_uevent_req),
+                              sizeof(struct nvif_notify_uevent_rep),
+                              &wndw->notify);
        if (ret)
                return ret;
 
-       return nvif_notify_init(&base->chan.base.base.user, nv50_base_notify,
-                               false,
-                               NV50_DISP_BASE_CHANNEL_DMA_V0_NTFY_UEVENT,
-                               &(struct nvif_notify_uevent_req) {},
-                               sizeof(struct nvif_notify_uevent_req),
-                               sizeof(struct nvif_notify_uevent_rep),
-                               &base->wndw.notify);
+       wndw->ntfy = EVO_FLIP_NTFY0(wndw->id);
+       wndw->sema = EVO_FLIP_SEM0(wndw->id);
+       wndw->data = 0x00000000;
+       return 0;
+}
+
+static int
+base507c_new(struct nouveau_drm *drm, int head, s32 oclass,
+            struct nv50_wndw **pwndw)
+{
+       return base507c_new_(&nv50_base, nv50_base_format, drm, head, oclass, pwndw);
+}
+
+static int
+nv50_base_new(struct nouveau_drm *drm, int head, struct nv50_wndw **pwndw)
+{
+       struct {
+               s32 oclass;
+               int version;
+               int (*new)(struct nouveau_drm *, int, s32, struct nv50_wndw **);
+       } bases[] = {
+               { GK110_DISP_BASE_CHANNEL_DMA, 0, base507c_new },
+               { GK104_DISP_BASE_CHANNEL_DMA, 0, base507c_new },
+               { GF110_DISP_BASE_CHANNEL_DMA, 0, base507c_new },
+               { GT214_DISP_BASE_CHANNEL_DMA, 0, base507c_new },
+               { GT200_DISP_BASE_CHANNEL_DMA, 0, base507c_new },
+               {   G82_DISP_BASE_CHANNEL_DMA, 0, base507c_new },
+               {  NV50_DISP_BASE_CHANNEL_DMA, 0, base507c_new },
+               {}
+       };
+       struct nv50_disp *disp = nv50_disp(drm->dev);
+       int cid;
+
+       cid = nvif_mclass(&disp->disp->object, bases);
+       if (cid < 0) {
+               NV_ERROR(drm, "No supported base class\n");
+               return cid;
+       }
+
+       return bases[cid].new(drm, head, bases[cid].oclass, pwndw);
 }
 
 /******************************************************************************
@@ -2471,7 +2444,6 @@ nv50_head_create(struct drm_device *dev, int index)
 {
        struct nouveau_drm *drm = nouveau_drm(dev);
        struct nv50_head *head;
-       struct nv50_base *base;
        struct nv50_wndw *curs, *wndw;
        struct drm_crtc *crtc;
        int ret, i;
@@ -2481,7 +2453,7 @@ nv50_head_create(struct drm_device *dev, int index)
                return -ENOMEM;
 
        head->base.index = index;
-       ret = nv50_base_new(drm, head, &base);
+       ret = nv50_base_new(drm, head->base.index, &wndw);
        if (ret == 0)
                ret = nv50_curs_new(drm, head->base.index, &curs);
        if (ret) {
@@ -2490,7 +2462,7 @@ nv50_head_create(struct drm_device *dev, int index)
        }
 
        crtc = &head->base.base;
-       drm_crtc_init_with_planes(dev, crtc, &base->wndw.plane, &curs->plane,
+       drm_crtc_init_with_planes(dev, crtc, &wndw->plane, &curs->plane,
                                  &nv50_head_func, "head-%d", head->base.index);
        drm_crtc_helper_add(crtc, &nv50_head_help);
        drm_mode_crtc_set_gamma_size(crtc, 256);
@@ -4256,7 +4228,7 @@ nv50_disp_atomic_commit(struct drm_device *dev,
                struct nv50_wndw *wndw = nv50_wndw(plane);
 
                if (asyw->set.image) {
-                       asyw->ntfy.handle = wndw->dmac->sync.handle;
+                       asyw->ntfy.handle = wndw->wndw.sync.handle;
                        asyw->ntfy.offset = wndw->ntfy;
                        asyw->ntfy.awaken = false;
                        asyw->set.ntfy = true;