drm/nouveau/kms/nv50: separate out mode commit
This commit separates the calculation of EVO state from the commit, in order to make the same code useful for atomic modesetting. The legacy interfaces have been wrapped on top of them. Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This commit is contained in:
Ben Skeggs
parent
5a223daccb
commit
3dbd036b84
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@ -204,6 +204,10 @@ void nouveau_drm_device_remove(struct drm_device *dev);
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if (unlikely(drm_debug & DRM_UT_DRIVER)) \
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NV_PRINTK(info, &(drm)->client, f, ##a); \
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} while(0)
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#define NV_ATOMIC(drm,f,a...) do { \
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if (unlikely(drm_debug & DRM_UT_ATOMIC)) \
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NV_PRINTK(info, &(drm)->client, f, ##a); \
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} while(0)
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extern int nouveau_modeset;
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@ -62,6 +62,42 @@
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#define EVO_FLIP_SEM0(c) EVO_SYNC((c) + 1, 0x00)
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#define EVO_FLIP_SEM1(c) EVO_SYNC((c) + 1, 0x10)
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/******************************************************************************
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* Atomic state
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*****************************************************************************/
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#define nv50_head_atom(p) container_of((p), struct nv50_head_atom, state)
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struct nv50_head_atom {
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struct drm_crtc_state state;
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struct nv50_head_mode {
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bool interlace;
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u32 clock;
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struct {
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u16 active;
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u16 synce;
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u16 blanke;
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u16 blanks;
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} h;
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struct {
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u32 active;
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u16 synce;
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u16 blanke;
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u16 blanks;
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u16 blank2s;
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u16 blank2e;
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u16 blankus;
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} v;
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} mode;
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union {
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struct {
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bool mode:1;
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};
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u16 mask;
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} set;
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};
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/******************************************************************************
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* EVO channel
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*****************************************************************************/
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@ -386,6 +422,9 @@ struct nv50_head {
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struct nv50_sync sync;
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struct nv50_ovly ovly;
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struct nv50_oimm oimm;
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struct nv50_head_atom arm;
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struct nv50_head_atom asy;
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};
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#define nv50_head(c) ((struct nv50_head *)nouveau_crtc(c))
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@ -694,6 +733,120 @@ nv50_display_flip_next(struct drm_crtc *crtc, struct drm_framebuffer *fb,
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return 0;
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}
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/******************************************************************************
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* Head
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*****************************************************************************/
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static void
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nv50_head_mode(struct nv50_head *head, struct nv50_head_atom *asyh)
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{
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struct nv50_dmac *core = &nv50_disp(head->base.base.dev)->mast.base;
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struct nv50_head_mode *m = &asyh->mode;
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u32 *push;
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if ((push = evo_wait(core, 14))) {
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if (core->base.user.oclass < GF110_DISP_CORE_CHANNEL_DMA) {
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evo_mthd(push, 0x0804 + (head->base.index * 0x400), 2);
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evo_data(push, 0x00800000 | m->clock);
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evo_data(push, m->interlace ? 0x00000002 : 0x00000000);
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evo_mthd(push, 0x0810 + (head->base.index * 0x400), 6);
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evo_data(push, 0x00000000);
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evo_data(push, (m->v.active << 16) | m->h.active );
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evo_data(push, (m->v.synce << 16) | m->h.synce );
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evo_data(push, (m->v.blanke << 16) | m->h.blanke );
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evo_data(push, (m->v.blanks << 16) | m->h.blanks );
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evo_data(push, (m->v.blank2e << 16) | m->v.blank2s);
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evo_mthd(push, 0x082c + (head->base.index * 0x400), 1);
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evo_data(push, 0x00000000);
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} else {
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evo_mthd(push, 0x0410 + (head->base.index * 0x300), 6);
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evo_data(push, 0x00000000);
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evo_data(push, (m->v.active << 16) | m->h.active );
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evo_data(push, (m->v.synce << 16) | m->h.synce );
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evo_data(push, (m->v.blanke << 16) | m->h.blanke );
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evo_data(push, (m->v.blanks << 16) | m->h.blanks );
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evo_data(push, (m->v.blank2e << 16) | m->v.blank2s);
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evo_mthd(push, 0x042c + (head->base.index * 0x300), 2);
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evo_data(push, 0x00000000); /* ??? */
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evo_data(push, 0xffffff00);
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evo_mthd(push, 0x0450 + (head->base.index * 0x300), 3);
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evo_data(push, m->clock * 1000);
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evo_data(push, 0x00200000); /* ??? */
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evo_data(push, m->clock * 1000);
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}
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evo_kick(push, core);
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}
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}
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static void
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nv50_head_flush_set(struct nv50_head *head, struct nv50_head_atom *asyh)
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{
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if (asyh->set.mode ) nv50_head_mode (head, asyh);
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}
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static void
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nv50_head_atomic_check_mode(struct nv50_head *head, struct nv50_head_atom *asyh)
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{
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struct drm_display_mode *mode = &asyh->state.adjusted_mode;
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u32 ilace = (mode->flags & DRM_MODE_FLAG_INTERLACE) ? 2 : 1;
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u32 vscan = (mode->flags & DRM_MODE_FLAG_DBLSCAN) ? 2 : 1;
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u32 hbackp = mode->htotal - mode->hsync_end;
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u32 vbackp = (mode->vtotal - mode->vsync_end) * vscan / ilace;
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u32 hfrontp = mode->hsync_start - mode->hdisplay;
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u32 vfrontp = (mode->vsync_start - mode->vdisplay) * vscan / ilace;
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struct nv50_head_mode *m = &asyh->mode;
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m->h.active = mode->htotal;
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m->h.synce = mode->hsync_end - mode->hsync_start - 1;
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m->h.blanke = m->h.synce + hbackp;
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m->h.blanks = mode->htotal - hfrontp - 1;
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m->v.active = mode->vtotal * vscan / ilace;
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m->v.synce = ((mode->vsync_end - mode->vsync_start) * vscan / ilace) - 1;
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m->v.blanke = m->v.synce + vbackp;
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m->v.blanks = m->v.active - vfrontp - 1;
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/*XXX: Safe underestimate, even "0" works */
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m->v.blankus = (m->v.active - mode->vdisplay - 2) * m->h.active;
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m->v.blankus *= 1000;
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m->v.blankus /= mode->clock;
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if (mode->flags & DRM_MODE_FLAG_INTERLACE) {
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m->v.blank2e = m->v.active + m->v.synce + vbackp;
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m->v.blank2s = m->v.blank2e + (mode->vdisplay * vscan / ilace);
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m->v.active = (m->v.active * 2) + 1;
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m->interlace = true;
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} else {
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m->v.blank2e = 0;
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m->v.blank2s = 1;
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m->interlace = false;
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}
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m->clock = mode->clock;
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drm_mode_set_crtcinfo(mode, CRTC_INTERLACE_HALVE_V);
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asyh->set.mode = true;
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}
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static int
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nv50_head_atomic_check(struct drm_crtc *crtc, struct drm_crtc_state *state)
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{
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struct nouveau_drm *drm = nouveau_drm(crtc->dev);
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struct nv50_head *head = nv50_head(crtc);
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struct nv50_head_atom *armh = &head->arm;
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struct nv50_head_atom *asyh = nv50_head_atom(state);
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NV_ATOMIC(drm, "%s atomic_check %d\n", crtc->name, asyh->state.active);
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asyh->set.mask = 0;
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if (asyh->state.active) {
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if (asyh->state.mode_changed)
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nv50_head_atomic_check_mode(head, asyh);
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}
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memcpy(armh, asyh, sizeof(*asyh));
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asyh->state.mode_changed = 0;
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return 0;
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}
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/******************************************************************************
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* CRTC
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*****************************************************************************/
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@ -1142,79 +1295,34 @@ nv50_crtc_mode_set(struct drm_crtc *crtc, struct drm_display_mode *umode,
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struct nv50_mast *mast = nv50_mast(crtc->dev);
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struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
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struct nouveau_connector *nv_connector;
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u32 ilace = (mode->flags & DRM_MODE_FLAG_INTERLACE) ? 2 : 1;
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u32 vscan = (mode->flags & DRM_MODE_FLAG_DBLSCAN) ? 2 : 1;
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u32 hactive, hsynce, hbackp, hfrontp, hblanke, hblanks;
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u32 vactive, vsynce, vbackp, vfrontp, vblanke, vblanks;
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u32 vblan2e = 0, vblan2s = 1, vblankus = 0;
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u32 *push;
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int ret;
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struct nv50_head *head = nv50_head(crtc);
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struct nv50_head_atom *asyh = &head->asy;
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hactive = mode->htotal;
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hsynce = mode->hsync_end - mode->hsync_start - 1;
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hbackp = mode->htotal - mode->hsync_end;
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hblanke = hsynce + hbackp;
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hfrontp = mode->hsync_start - mode->hdisplay;
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hblanks = mode->htotal - hfrontp - 1;
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vactive = mode->vtotal * vscan / ilace;
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vsynce = ((mode->vsync_end - mode->vsync_start) * vscan / ilace) - 1;
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vbackp = (mode->vtotal - mode->vsync_end) * vscan / ilace;
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vblanke = vsynce + vbackp;
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vfrontp = (mode->vsync_start - mode->vdisplay) * vscan / ilace;
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vblanks = vactive - vfrontp - 1;
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/* XXX: Safe underestimate, even "0" works */
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vblankus = (vactive - mode->vdisplay - 2) * hactive;
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vblankus *= 1000;
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vblankus /= mode->clock;
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if (mode->flags & DRM_MODE_FLAG_INTERLACE) {
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vblan2e = vactive + vsynce + vbackp;
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vblan2s = vblan2e + (mode->vdisplay * vscan / ilace);
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vactive = (vactive * 2) + 1;
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}
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memcpy(&asyh->state.mode, umode, sizeof(*umode));
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memcpy(&asyh->state.adjusted_mode, mode, sizeof(*mode));
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asyh->state.active = true;
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asyh->state.mode_changed = true;
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nv50_head_atomic_check(&head->base.base, &asyh->state);
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ret = nv50_crtc_swap_fbs(crtc, old_fb);
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if (ret)
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return ret;
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nv50_head_flush_set(head, asyh);
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push = evo_wait(mast, 64);
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if (push) {
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if (nv50_vers(mast) < GF110_DISP_CORE_CHANNEL_DMA) {
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evo_mthd(push, 0x0804 + (nv_crtc->index * 0x400), 2);
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evo_data(push, 0x00800000 | mode->clock);
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evo_data(push, (ilace == 2) ? 2 : 0);
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evo_mthd(push, 0x0810 + (nv_crtc->index * 0x400), 6);
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evo_data(push, 0x00000000);
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evo_data(push, (vactive << 16) | hactive);
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evo_data(push, ( vsynce << 16) | hsynce);
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evo_data(push, (vblanke << 16) | hblanke);
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evo_data(push, (vblanks << 16) | hblanks);
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evo_data(push, (vblan2e << 16) | vblan2s);
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evo_mthd(push, 0x082c + (nv_crtc->index * 0x400), 1);
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evo_data(push, 0x00000000);
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evo_mthd(push, 0x0900 + (nv_crtc->index * 0x400), 2);
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evo_data(push, 0x00000311);
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evo_data(push, 0x00000100);
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} else {
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evo_mthd(push, 0x0410 + (nv_crtc->index * 0x300), 6);
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evo_data(push, 0x00000000);
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evo_data(push, (vactive << 16) | hactive);
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evo_data(push, ( vsynce << 16) | hsynce);
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evo_data(push, (vblanke << 16) | hblanke);
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evo_data(push, (vblanks << 16) | hblanks);
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evo_data(push, (vblan2e << 16) | vblan2s);
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evo_mthd(push, 0x042c + (nv_crtc->index * 0x300), 1);
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evo_data(push, 0x00000000); /* ??? */
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evo_mthd(push, 0x0450 + (nv_crtc->index * 0x300), 3);
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evo_data(push, mode->clock * 1000);
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evo_data(push, 0x00200000); /* ??? */
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evo_data(push, mode->clock * 1000);
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evo_mthd(push, 0x04d0 + (nv_crtc->index * 0x300), 2);
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evo_data(push, 0x00000311);
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evo_data(push, 0x00000100);
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}
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evo_kick(push, mast);
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}
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@ -1224,7 +1332,7 @@ nv50_crtc_mode_set(struct drm_crtc *crtc, struct drm_display_mode *umode,
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/* G94 only accepts this after setting scale */
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if (nv50_vers(mast) < GF110_DISP_CORE_CHANNEL_DMA)
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nv50_crtc_set_raster_vblank_dmi(nv_crtc, vblankus);
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nv50_crtc_set_raster_vblank_dmi(nv_crtc, asyh->mode.v.blankus);
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nv50_crtc_set_color_vibrance(nv_crtc, false);
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nv50_crtc_set_image(nv_crtc, crtc->primary->fb, x, y, false);
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