/*
* 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 "wndw.h"
#include "wimm.h"
#include <nvif/class.h>
#include <nvif/cl0002.h>
#include <drm/drm_atomic_helper.h>
#include "nouveau_bo.h"
static void
nv50_wndw_ctxdma_del(struct nv50_wndw_ctxdma *ctxdma)
{
nvif_object_fini(&ctxdma->object);
list_del(&ctxdma->head);
kfree(ctxdma);
}
static struct nv50_wndw_ctxdma *
nv50_wndw_ctxdma_new(struct nv50_wndw *wndw, struct nouveau_framebuffer *fb)
{
struct nouveau_drm *drm = nouveau_drm(fb->base.dev);
struct nv50_wndw_ctxdma *ctxdma;
const u8 kind = fb->nvbo->kind;
const u32 handle = 0xfb000000 | kind;
struct {
struct nv_dma_v0 base;
union {
struct nv50_dma_v0 nv50;
struct gf100_dma_v0 gf100;
struct gf119_dma_v0 gf119;
};
} args = {};
u32 argc = sizeof(args.base);
int ret;
list_for_each_entry(ctxdma, &wndw->ctxdma.list, head) {
if (ctxdma->object.handle == handle)
return ctxdma;
}
if (!(ctxdma = kzalloc(sizeof(*ctxdma), GFP_KERNEL)))
return ERR_PTR(-ENOMEM);
list_add(&ctxdma->head, &wndw->ctxdma.list);
args.base.target = NV_DMA_V0_TARGET_VRAM;
args.base.access = NV_DMA_V0_ACCESS_RDWR;
args.base.start = 0;
args.base.limit = drm->client.device.info.ram_user - 1;
if (drm->client.device.info.chipset < 0x80) {
args.nv50.part = NV50_DMA_V0_PART_256;
argc += sizeof(args.nv50);
} else
if (drm->client.device.info.chipset < 0xc0) {
args.nv50.part = NV50_DMA_V0_PART_256;
args.nv50.kind = kind;
argc += sizeof(args.nv50);
} else
if (drm->client.device.info.chipset < 0xd0) {
args.gf100.kind = kind;
argc += sizeof(args.gf100);
} else {
args.gf119.page = GF119_DMA_V0_PAGE_LP;
args.gf119.kind = kind;
argc += sizeof(args.gf119);
}
ret = nvif_object_init(wndw->ctxdma.parent, handle, NV_DMA_IN_MEMORY,
&args, argc, &ctxdma->object);
if (ret) {
nv50_wndw_ctxdma_del(ctxdma);
return ERR_PTR(ret);
}
return ctxdma;
}
int
nv50_wndw_wait_armed(struct nv50_wndw *wndw, struct nv50_wndw_atom *asyw)
{
struct nv50_disp *disp = nv50_disp(wndw->plane.dev);
if (asyw->set.ntfy) {
return wndw->func->ntfy_wait_begun(disp->sync,
asyw->ntfy.offset,
wndw->wndw.base.device);
}
return 0;
}
void
nv50_wndw_flush_clr(struct nv50_wndw *wndw, u32 *interlock, bool flush,
struct nv50_wndw_atom *asyw)
{
union nv50_wndw_atom_mask clr = {
.mask = asyw->clr.mask & ~(flush ? 0 : asyw->set.mask),
};
if (clr.sema ) wndw->func-> sema_clr(wndw);
if (clr.ntfy ) wndw->func-> ntfy_clr(wndw);
if (clr.xlut ) wndw->func-> xlut_clr(wndw);
if (clr.image) wndw->func->image_clr(wndw);
interlock[wndw->interlock.type] |= wndw->interlock.data;
}
void
nv50_wndw_flush_set(struct nv50_wndw *wndw, u32 *interlock,
struct nv50_wndw_atom *asyw)
{
if (interlock) {
asyw->image.mode = 0;
asyw->image.interval = 1;
}
if (asyw->set.sema ) wndw->func->sema_set (wndw, asyw);
if (asyw->set.ntfy ) wndw->func->ntfy_set (wndw, asyw);
if (asyw->set.image) wndw->func->image_set(wndw, asyw);
if (asyw->set.xlut ) {
if (asyw->ilut) {
asyw->xlut.i.offset =
nv50_lut_load(&wndw->ilut, asyw->xlut.i.buffer,
asyw->ilut, asyw->xlut.i.load);
}
wndw->func->xlut_set(wndw, asyw);
}
if (asyw->set.scale) wndw->func->scale_set(wndw, asyw);
if (asyw->set.point) {
if (asyw->set.point = false, asyw->set.mask)
interlock[wndw->interlock.type] |= wndw->interlock.data;
interlock[NV50_DISP_INTERLOCK_WIMM] |= wndw->interlock.data;
wndw->immd->point(wndw, asyw);
wndw->immd->update(wndw, interlock);
} else {
interlock[wndw->interlock.type] |= wndw->interlock.data;
}
}
void
nv50_wndw_ntfy_enable(struct nv50_wndw *wndw, struct nv50_wndw_atom *asyw)
{
struct nv50_disp *disp = nv50_disp(wndw->plane.dev);
asyw->ntfy.handle = wndw->wndw.sync.handle;
asyw->ntfy.offset = wndw->ntfy;
asyw->ntfy.awaken = false;
asyw->set.ntfy = true;
wndw->func->ntfy_reset(disp->sync, wndw->ntfy);
wndw->ntfy ^= 0x10;
}
static void
nv50_wndw_atomic_check_release(struct nv50_wndw *wndw,
struct nv50_wndw_atom *asyw,
struct nv50_head_atom *asyh)
{
struct nouveau_drm *drm = nouveau_drm(wndw->plane.dev);
NV_ATOMIC(drm, "%s release\n", wndw->plane.name);
wndw->func->release(wndw, asyw, asyh);
asyw->ntfy.handle = 0;
asyw->sema.handle = 0;
}
static int
nv50_wndw_atomic_check_acquire_yuv(struct nv50_wndw_atom *asyw)
{
switch (asyw->state.fb->format->format) {
case DRM_FORMAT_YUYV: asyw->image.format = 0x28; break;
case DRM_FORMAT_UYVY: asyw->image.format = 0x29; break;
default:
WARN_ON(1);
return -EINVAL;
}
asyw->image.colorspace = 1;
return 0;
}
static int
nv50_wndw_atomic_check_acquire_rgb(struct nv50_wndw_atom *asyw)
{
switch (asyw->state.fb->format->format) {
case DRM_FORMAT_C8 : asyw->image.format = 0x1e; break;
case DRM_FORMAT_XRGB8888 :
case DRM_FORMAT_ARGB8888 : asyw->image.format = 0xcf; break;
case DRM_FORMAT_RGB565 : asyw->image.format = 0xe8; break;
case DRM_FORMAT_XRGB1555 :
case DRM_FORMAT_ARGB1555 : asyw->image.format = 0xe9; break;
case DRM_FORMAT_XBGR2101010:
case DRM_FORMAT_ABGR2101010: asyw->image.format = 0xd1; break;
case DRM_FORMAT_XBGR8888 :
case DRM_FORMAT_ABGR8888 : asyw->image.format = 0xd5; break;
case DRM_FORMAT_XRGB2101010:
case DRM_FORMAT_ARGB2101010: asyw->image.format = 0xdf; break;
default:
return -EINVAL;
}
asyw->image.colorspace = 0;
return 0;
}
static int
nv50_wndw_atomic_check_acquire(struct nv50_wndw *wndw, bool modeset,
struct nv50_wndw_atom *armw,
struct nv50_wndw_atom *asyw,
struct nv50_head_atom *asyh)
{
struct nouveau_framebuffer *fb = nouveau_framebuffer(asyw->state.fb);
struct nouveau_drm *drm = nouveau_drm(wndw->plane.dev);
int ret;
NV_ATOMIC(drm, "%s acquire\n", wndw->plane.name);
if (asyw->state.fb != armw->state.fb || !armw->visible || modeset) {
asyw->image.w = fb->base.width;
asyw->image.h = fb->base.height;
asyw->image.kind = fb->nvbo->kind;
ret = nv50_wndw_atomic_check_acquire_rgb(asyw);
if (ret) {
ret = nv50_wndw_atomic_check_acquire_yuv(asyw);
if (ret)
return ret;
}
if (asyw->image.kind) {
asyw->image.layout = 0;
if (drm->client.device.info.chipset >= 0xc0)
asyw->image.blockh = fb->nvbo->mode >> 4;
else
asyw->image.blockh = fb->nvbo->mode;
asyw->image.blocks[0] = fb->base.pitches[0] / 64;
asyw->image.pitch[0] = 0;
} else {
asyw->image.layout = 1;
asyw->image.blockh = 0;
asyw->image.blocks[0] = 0;
asyw->image.pitch[0] = fb->base.pitches[0];
}
if (!(asyh->state.pageflip_flags & DRM_MODE_PAGE_FLIP_ASYNC))
asyw->image.interval = 1;
else
asyw->image.interval = 0;
asyw->image.mode = asyw->image.interval ? 0 : 1;
asyw->set.image = wndw->func->image_set != NULL;
}
if (wndw->func->scale_set) {
asyw->scale.sx = asyw->state.src_x >> 16;
asyw->scale.sy = asyw->state.src_y >> 16;
asyw->scale.sw = asyw->state.src_w >> 16;
asyw->scale.sh = asyw->state.src_h >> 16;
asyw->scale.dw = asyw->state.crtc_w;
asyw->scale.dh = asyw->state.crtc_h;
if (memcmp(&armw->scale, &asyw->scale, sizeof(asyw->scale)))
asyw->set.scale = true;
}
if (wndw->immd) {
asyw->point.x = asyw->state.crtc_x;
asyw->point.y = asyw->state.crtc_y;
if (memcmp(&armw->point, &asyw->point, sizeof(asyw->point)))
asyw->set.point = true;
}
return wndw->func->acquire(wndw, asyw, asyh);
}
static void
nv50_wndw_atomic_check_lut(struct nv50_wndw *wndw,
struct nv50_wndw_atom *armw,
struct nv50_wndw_atom *asyw,
struct nv50_head_atom *asyh)
{
struct drm_property_blob *ilut = asyh->state.degamma_lut;
/* I8 format without an input LUT makes no sense, and the
* HW error-checks for this.
*
* In order to handle legacy gamma, when there's no input
* LUT we need to steal the output LUT and use it instead.
*/
if (!ilut && asyw->state.fb->format->format == DRM_FORMAT_C8) {
/* This should be an error, but there's legacy clients
* that do a modeset before providing a gamma table.
*
* We keep the window disabled to avoid angering HW.
*/
if (!(ilut = asyh->state.gamma_lut)) {
asyw->visible = false;
return;
}
if (wndw->func->ilut)
asyh->wndw.olut |= BIT(wndw->id);
} else {
asyh->wndw.olut &= ~BIT(wndw->id);
}
if (!ilut && wndw->func->ilut_identity) {
static struct drm_property_blob dummy = {};
ilut = &dummy;
}
/* Recalculate LUT state. */
memset(&asyw->xlut, 0x00, sizeof(asyw->xlut));
if ((asyw->ilut = wndw->func->ilut ? ilut : NULL)) {
wndw->func->ilut(wndw, asyw);
asyw->xlut.handle = wndw->wndw.vram.handle;
asyw->xlut.i.buffer = !asyw->xlut.i.buffer;
asyw->set.xlut = true;
}
/* Handle setting base SET_OUTPUT_LUT_LO_ENABLE_USE_CORE_LUT. */
if (wndw->func->olut_core &&
(!armw->visible || (armw->xlut.handle && !asyw->xlut.handle)))
asyw->set.xlut = true;
/* Can't do an immediate flip while changing the LUT. */
asyh->state.pageflip_flags &= ~DRM_MODE_PAGE_FLIP_ASYNC;
}
static int
nv50_wndw_atomic_check(struct drm_plane *plane, struct drm_plane_state *state)
{
struct nouveau_drm *drm = nouveau_drm(plane->dev);
struct nv50_wndw *wndw = nv50_wndw(plane);
struct nv50_wndw_atom *armw = nv50_wndw_atom(wndw->plane.state);
struct nv50_wndw_atom *asyw = nv50_wndw_atom(state);
struct nv50_head_atom *harm = NULL, *asyh = NULL;
bool modeset = false;
int ret;
NV_ATOMIC(drm, "%s atomic_check\n", plane->name);
/* Fetch the assembly state for the head the window will belong to,
* and determine whether the window will be visible.
*/
if (asyw->state.crtc) {
asyh = nv50_head_atom_get(asyw->state.state, asyw->state.crtc);
if (IS_ERR(asyh))
return PTR_ERR(asyh);
modeset = drm_atomic_crtc_needs_modeset(&asyh->state);
asyw->visible = asyh->state.active;
} else {
asyw->visible = false;
}
/* Fetch assembly state for the head the window used to belong to. */
if (armw->state.crtc) {
harm = nv50_head_atom_get(asyw->state.state, armw->state.crtc);
if (IS_ERR(harm))
return PTR_ERR(harm);
}
/* LUT configuration can potentially cause the window to be disabled. */
if (asyw->visible && wndw->func->xlut_set &&
(!armw->visible ||
asyh->state.color_mgmt_changed ||
asyw->state.fb->format->format !=
armw->state.fb->format->format))
nv50_wndw_atomic_check_lut(wndw, armw, asyw, asyh);
/* Calculate new window state. */
if (asyw->visible) {
ret = nv50_wndw_atomic_check_acquire(wndw, modeset,
armw, asyw, asyh);
if (ret)
return ret;
asyh->wndw.mask |= BIT(wndw->id);
} else
if (armw->visible) {
nv50_wndw_atomic_check_release(wndw, asyw, harm);
harm->wndw.mask &= ~BIT(wndw->id);
} else {
return 0;
}
/* Aside from the obvious case where the window is actively being
* disabled, we might also need to temporarily disable the window
* when performing certain modeset operations.
*/
if (!asyw->visible || modeset) {
asyw->clr.ntfy = armw->ntfy.handle != 0;
asyw->clr.sema = armw->sema.handle != 0;
asyw->clr.xlut = armw->xlut.handle != 0;
if (wndw->func->image_clr)
asyw->clr.image = armw->image.handle[0] != 0;
}
return 0;
}
static void
nv50_wndw_cleanup_fb(struct drm_plane *plane, struct drm_plane_state *old_state)
{
struct nouveau_framebuffer *fb = nouveau_framebuffer(old_state->fb);
struct nouveau_drm *drm = nouveau_drm(plane->dev);
NV_ATOMIC(drm, "%s cleanup: %p\n", plane->name, old_state->fb);
if (!old_state->fb)
return;
nouveau_bo_unpin(fb->nvbo);
}
static int
nv50_wndw_prepare_fb(struct drm_plane *plane, struct drm_plane_state *state)
{
struct nouveau_framebuffer *fb = nouveau_framebuffer(state->fb);
struct nouveau_drm *drm = nouveau_drm(plane->dev);
struct nv50_wndw *wndw = nv50_wndw(plane);
struct nv50_wndw_atom *asyw = nv50_wndw_atom(state);
struct nv50_head_atom *asyh;
struct nv50_wndw_ctxdma *ctxdma;
int ret;
NV_ATOMIC(drm, "%s prepare: %p\n", plane->name, state->fb);
if (!asyw->state.fb)
return 0;
ret = nouveau_bo_pin(fb->nvbo, TTM_PL_FLAG_VRAM, true);
if (ret)
return ret;
if (wndw->ctxdma.parent) {
ctxdma = nv50_wndw_ctxdma_new(wndw, fb);
if (IS_ERR(ctxdma)) {
nouveau_bo_unpin(fb->nvbo);
return PTR_ERR(ctxdma);
}
asyw->image.handle[0] = ctxdma->object.handle;
}
asyw->state.fence = reservation_object_get_excl_rcu(fb->nvbo->bo.resv);
asyw->image.offset[0] = fb->nvbo->bo.offset;
if (wndw->func->prepare) {
asyh = nv50_head_atom_get(asyw->state.state, asyw->state.crtc);
if (IS_ERR(asyh))
return PTR_ERR(asyh);
wndw->func->prepare(wndw, asyh, asyw);
}
return 0;
}
static const struct drm_plane_helper_funcs
nv50_wndw_helper = {
.prepare_fb = nv50_wndw_prepare_fb,
.cleanup_fb = nv50_wndw_cleanup_fb,
.atomic_check = nv50_wndw_atomic_check,
};
static void
nv50_wndw_atomic_destroy_state(struct drm_plane *plane,
struct drm_plane_state *state)
{
struct nv50_wndw_atom *asyw = nv50_wndw_atom(state);
__drm_atomic_helper_plane_destroy_state(&asyw->state);
kfree(asyw);
}
static struct drm_plane_state *
nv50_wndw_atomic_duplicate_state(struct drm_plane *plane)
{
struct nv50_wndw_atom *armw = nv50_wndw_atom(plane->state);
struct nv50_wndw_atom *asyw;
if (!(asyw = kmalloc(sizeof(*asyw), GFP_KERNEL)))
return NULL;
__drm_atomic_helper_plane_duplicate_state(plane, &asyw->state);
asyw->sema = armw->sema;
asyw->ntfy = armw->ntfy;
asyw->ilut = NULL;
asyw->xlut = armw->xlut;
asyw->image = armw->image;
asyw->point = armw->point;
asyw->clr.mask = 0;
asyw->set.mask = 0;
return &asyw->state;
}
static void
nv50_wndw_reset(struct drm_plane *plane)
{
struct nv50_wndw_atom *asyw;
if (WARN_ON(!(asyw = kzalloc(sizeof(*asyw), GFP_KERNEL))))
return;
if (plane->state)
plane->funcs->atomic_destroy_state(plane, plane->state);
plane->state = &asyw->state;
plane->state->plane = plane;
plane->state->rotation = DRM_MODE_ROTATE_0;
}
static void
nv50_wndw_destroy(struct drm_plane *plane)
{
struct nv50_wndw *wndw = nv50_wndw(plane);
struct nv50_wndw_ctxdma *ctxdma, *ctxtmp;
list_for_each_entry_safe(ctxdma, ctxtmp, &wndw->ctxdma.list, head) {
nv50_wndw_ctxdma_del(ctxdma);
}
nvif_notify_fini(&wndw->notify);
nv50_dmac_destroy(&wndw->wimm);
nv50_dmac_destroy(&wndw->wndw);
nv50_lut_fini(&wndw->ilut);
drm_plane_cleanup(&wndw->plane);
kfree(wndw);
}
const struct drm_plane_funcs
nv50_wndw = {
.update_plane = drm_atomic_helper_update_plane,
.disable_plane = drm_atomic_helper_disable_plane,
.destroy = nv50_wndw_destroy,
.reset = nv50_wndw_reset,
.atomic_duplicate_state = nv50_wndw_atomic_duplicate_state,
.atomic_destroy_state = nv50_wndw_atomic_destroy_state,
};
static int
nv50_wndw_notify(struct nvif_notify *notify)
{
return NVIF_NOTIFY_KEEP;
}
void
nv50_wndw_fini(struct nv50_wndw *wndw)
{
nvif_notify_put(&wndw->notify);
}
void
nv50_wndw_init(struct nv50_wndw *wndw)
{
nvif_notify_get(&wndw->notify);
}
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, u32 heads,
enum nv50_disp_interlock_type interlock_type, u32 interlock_data,
struct nv50_wndw **pwndw)
{
struct nouveau_drm *drm = nouveau_drm(dev);
struct nvif_mmu *mmu = &drm->client.mmu;
struct nv50_disp *disp = nv50_disp(dev);
struct nv50_wndw *wndw;
int nformat;
int ret;
if (!(wndw = *pwndw = kzalloc(sizeof(*wndw), GFP_KERNEL)))
return -ENOMEM;
wndw->func = func;
wndw->id = index;
wndw->interlock.type = interlock_type;
wndw->interlock.data = interlock_data;
wndw->ctxdma.parent = &wndw->wndw.base.user;
INIT_LIST_HEAD(&wndw->ctxdma.list);
for (nformat = 0; format[nformat]; nformat++);
ret = drm_universal_plane_init(dev, &wndw->plane, heads, &nv50_wndw,
format, nformat, NULL,
type, "%s-%d", name, index);
if (ret) {
kfree(*pwndw);
*pwndw = NULL;
return ret;
}
drm_plane_helper_add(&wndw->plane, &nv50_wndw_helper);
if (wndw->func->ilut) {
ret = nv50_lut_init(disp, mmu, &wndw->ilut);
if (ret)
return ret;
}
wndw->notify.func = nv50_wndw_notify;
return 0;
}
int
nv50_wndw_new(struct nouveau_drm *drm, enum drm_plane_type type, int index,
struct nv50_wndw **pwndw)
{
struct {
s32 oclass;
int version;
int (*new)(struct nouveau_drm *, enum drm_plane_type,
int, s32, struct nv50_wndw **);
} wndws[] = {
{ TU104_DISP_WINDOW_CHANNEL_DMA, 0, wndwc57e_new },
{ GV100_DISP_WINDOW_CHANNEL_DMA, 0, wndwc37e_new },
{}
};
struct nv50_disp *disp = nv50_disp(drm->dev);
int cid, ret;
cid = nvif_mclass(&disp->disp->object, wndws);
if (cid < 0) {
NV_ERROR(drm, "No supported window class\n");
return cid;
}
ret = wndws[cid].new(drm, type, index, wndws[cid].oclass, pwndw);
if (ret)
return ret;
return nv50_wimm_init(drm, *pwndw);
}
