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author | Ben Skeggs <bskeggs@redhat.com> | 2018-05-08 20:39:48 +1000 |
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committer | Ben Skeggs <bskeggs@redhat.com> | 2018-05-18 15:01:46 +1000 |
commit | facaed62b4cba3a6334fc1798fa8f51ea6a1962d (patch) | |
tree | 5c05fb78990e9a0b920312974c8d2ab61411b3bb /drivers/gpu/drm/nouveau/dispnv50/wimmc37b.c | |
parent | 290ffeafcc1a953aa287c8a7bf7f6d9af25b7e77 (diff) | |
download | linux-facaed62b4cba3a6334fc1798fa8f51ea6a1962d.tar.bz2 |
drm/nouveau/kms/gv100: initial support
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/nouveau/dispnv50/wimmc37b.c')
-rw-r--r-- | drivers/gpu/drm/nouveau/dispnv50/wimmc37b.c | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/dispnv50/wimmc37b.c b/drivers/gpu/drm/nouveau/dispnv50/wimmc37b.c new file mode 100644 index 000000000000..9103b8494279 --- /dev/null +++ b/drivers/gpu/drm/nouveau/dispnv50/wimmc37b.c @@ -0,0 +1,86 @@ +/* + * Copyright 2018 Red Hat Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + */ +#include "wimm.h" +#include "atom.h" +#include "wndw.h" + +#include <nvif/clc37b.h> + +static void +wimmc37b_update(struct nv50_wndw *wndw, u32 *interlock) +{ + u32 *push; + if ((push = evo_wait(&wndw->wimm, 2))) { + evo_mthd(push, 0x0200, 1); + if (interlock[NV50_DISP_INTERLOCK_WNDW] & wndw->interlock.data) + evo_data(push, 0x00000003); + else + evo_data(push, 0x00000001); + evo_kick(push, &wndw->wimm); + } +} + +static void +wimmc37b_point(struct nv50_wndw *wndw, struct nv50_wndw_atom *asyw) +{ + u32 *push; + if ((push = evo_wait(&wndw->wimm, 2))) { + evo_mthd(push, 0x0208, 1); + evo_data(push, asyw->point.y << 16 | asyw->point.x); + evo_kick(push, &wndw->wimm); + } +} + +static const struct nv50_wimm_func +wimmc37b = { + .point = wimmc37b_point, + .update = wimmc37b_update, +}; + +static int +wimmc37b_init_(const struct nv50_wimm_func *func, struct nouveau_drm *drm, + s32 oclass, struct nv50_wndw *wndw) +{ + struct nvc37b_window_imm_channel_dma_v0 args = { + .pushbuf = 0xb0007b00 | wndw->id, + .index = wndw->id, + }; + struct nv50_disp *disp = nv50_disp(drm->dev); + int ret; + + ret = nv50_dmac_create(&drm->client.device, &disp->disp->object, + &oclass, 0, &args, sizeof(args), 0, + &wndw->wimm); + if (ret) { + NV_ERROR(drm, "wimm%04x allocation failed: %d\n", oclass, ret); + return ret; + } + + wndw->immd = func; + return 0; +} + +int +wimmc37b_init(struct nouveau_drm *drm, s32 oclass, struct nv50_wndw *wndw) +{ + return wimmc37b_init_(&wimmc37b, drm, oclass, wndw); +} |