diff options
| -rw-r--r-- | drivers/gpu/drm/nouveau/nv50_display.c | 162 |
1 files changed, 109 insertions, 53 deletions
diff --git a/drivers/gpu/drm/nouveau/nv50_display.c b/drivers/gpu/drm/nouveau/nv50_display.c index 973a41262139..dd8d4352ed99 100644 --- a/drivers/gpu/drm/nouveau/nv50_display.c +++ b/drivers/gpu/drm/nouveau/nv50_display.c @@ -137,8 +137,10 @@ struct nv50_head_atom { } mode; struct { + bool visible; u32 handle; u64 offset:40; + u8 mode:4; } lut; struct { @@ -192,6 +194,7 @@ struct nv50_head_atom { union { struct { + bool ilut:1; bool core:1; bool curs:1; }; @@ -200,6 +203,7 @@ struct nv50_head_atom { union { struct { + bool ilut:1; bool core:1; bool curs:1; bool view:1; @@ -661,7 +665,8 @@ nv50_ovly_create(struct nvif_device *device, struct nvif_object *disp, struct nv50_head { struct nouveau_crtc base; struct { - struct nouveau_bo *nvbo[1]; + struct nouveau_bo *nvbo[2]; + int next; } lut; struct nv50_ovly ovly; struct nv50_oimm oimm; @@ -1798,6 +1803,54 @@ nv50_head_lut_clr(struct nv50_head *head) } static void +nv50_head_lut_load(struct drm_property_blob *blob, int mode, + struct nouveau_bo *nvbo) +{ + struct drm_color_lut *in = (struct drm_color_lut *)blob->data; + void __iomem *lut = (u8 *)nvbo_kmap_obj_iovirtual(nvbo); + const int size = blob->length / sizeof(*in); + int bits, shift, i; + u16 zero, r, g, b; + + /* This can't happen.. But it shuts the compiler up. */ + if (WARN_ON(size != 256)) + return; + + switch (mode) { + case 0: /* LORES. */ + case 1: /* HIRES. */ + bits = 11; + shift = 3; + zero = 0x0000; + break; + case 7: /* INTERPOLATE_257_UNITY_RANGE. */ + bits = 14; + shift = 0; + zero = 0x6000; + break; + default: + WARN_ON(1); + return; + } + + for (i = 0; i < size; i++) { + r = (drm_color_lut_extract(in[i]. red, bits) + zero) << shift; + g = (drm_color_lut_extract(in[i].green, bits) + zero) << shift; + b = (drm_color_lut_extract(in[i]. blue, bits) + zero) << shift; + writew(r, lut + (i * 0x08) + 0); + writew(g, lut + (i * 0x08) + 2); + writew(b, lut + (i * 0x08) + 4); + } + + /* INTERPOLATE modes require a "next" entry to interpolate with, + * so we replicate the last entry to deal with this for now. + */ + writew(r, lut + (i * 0x08) + 0); + writew(g, lut + (i * 0x08) + 2); + writew(b, lut + (i * 0x08) + 4); +} + +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; @@ -1805,20 +1858,18 @@ nv50_head_lut_set(struct nv50_head *head, struct nv50_head_atom *asyh) if ((push = evo_wait(core, 7))) { if (core->base.user.oclass < G82_DISP_CORE_CHANNEL_DMA) { evo_mthd(push, 0x0840 + (head->base.index * 0x400), 2); - evo_data(push, asyh->base.depth == 8 ? - 0x80000000 : 0xc0000000); + evo_data(push, 0x80000000 | asyh->lut.mode << 30); evo_data(push, asyh->lut.offset >> 8); } else if (core->base.user.oclass < GF110_DISP_CORE_CHANNEL_DMA) { evo_mthd(push, 0x0840 + (head->base.index * 0x400), 2); - evo_data(push, asyh->base.depth == 8 ? - 0x80000000 : 0xc0000000); + evo_data(push, 0x80000000 | asyh->lut.mode << 30); evo_data(push, asyh->lut.offset >> 8); evo_mthd(push, 0x085c + (head->base.index * 0x400), 1); evo_data(push, asyh->lut.handle); } else { evo_mthd(push, 0x0440 + (head->base.index * 0x300), 4); - evo_data(push, 0x87000000); + evo_data(push, 0x80000000 | asyh->lut.mode << 24); evo_data(push, asyh->lut.offset >> 8); evo_data(push, 0x00000000); evo_data(push, 0x00000000); @@ -1901,7 +1952,7 @@ nv50_head_view(struct nv50_head *head, struct nv50_head_atom *asyh) static void nv50_head_flush_clr(struct nv50_head *head, struct nv50_head_atom *asyh, bool y) { - if (asyh->clr.core && (!asyh->set.core || y)) + if (asyh->clr.ilut && (!asyh->set.ilut || y)) nv50_head_lut_clr(head); if (asyh->clr.core && (!asyh->set.core || y)) nv50_head_core_clr(head); @@ -1914,7 +1965,15 @@ nv50_head_flush_set(struct nv50_head *head, struct nv50_head_atom *asyh) { if (asyh->set.view ) nv50_head_view (head, asyh); if (asyh->set.mode ) nv50_head_mode (head, asyh); - if (asyh->set.core ) nv50_head_lut_set (head, asyh); + if (asyh->set.ilut ) { + struct nouveau_bo *nvbo = head->lut.nvbo[head->lut.next]; + struct drm_property_blob *blob = asyh->state.gamma_lut; + if (blob) + nv50_head_lut_load(blob, asyh->lut.mode, nvbo); + asyh->lut.offset = nvbo->bo.offset; + head->lut.next ^= 1; + nv50_head_lut_set(head, asyh); + } if (asyh->set.core ) nv50_head_core_set(head, asyh); if (asyh->set.curs ) nv50_head_curs_set(head, asyh); if (asyh->set.base ) nv50_head_base (head, asyh); @@ -2049,6 +2108,37 @@ nv50_head_atomic_check_view(struct nv50_head_atom *armh, } static void +nv50_head_atomic_check_lut(struct nv50_head *head, + struct nv50_head_atom *armh, + struct nv50_head_atom *asyh) +{ + struct nv50_disp *disp = nv50_disp(head->base.base.dev); + + /* An I8 surface without an input LUT makes no sense, and + * EVO will throw an error if you try. + * + * Legacy clients actually cause this due to the order in + * which they call ioctls, so we will enable the LUT with + * whatever contents the buffer already contains to avoid + * triggering the error check. + */ + if (!asyh->state.gamma_lut && asyh->base.cpp != 1) { + asyh->lut.handle = 0; + asyh->clr.ilut = armh->lut.visible; + return; + } + + if (disp->disp->oclass < GF110_DISP) { + asyh->lut.mode = (asyh->base.cpp == 1) ? 0 : 1; + asyh->set.ilut = true; + } else { + asyh->lut.mode = 7; + asyh->set.ilut = asyh->state.color_mgmt_changed; + } + asyh->lut.handle = disp->mast.base.vram.handle; +} + +static void nv50_head_atomic_check_mode(struct nv50_head *head, struct nv50_head_atom *asyh) { struct drm_display_mode *mode = &asyh->state.adjusted_mode; @@ -2133,6 +2223,11 @@ nv50_head_atomic_check(struct drm_crtc *crtc, struct drm_crtc_state *state) if (asyh->state.mode_changed) nv50_head_atomic_check_mode(head, asyh); + if (asyh->state.color_mgmt_changed || + asyh->base.cpp != armh->base.cpp) + nv50_head_atomic_check_lut(head, armh, asyh); + asyh->lut.visible = asyh->lut.handle != 0; + if (asyc) { if (asyc->set.scaler) nv50_head_atomic_check_view(armh, asyh, asyc); @@ -2148,7 +2243,8 @@ nv50_head_atomic_check(struct drm_crtc *crtc, struct drm_crtc_state *state) asyh->core.w = asyh->base.w; asyh->core.h = asyh->base.h; } else - if ((asyh->core.visible = asyh->curs.visible)) { + if ((asyh->core.visible = asyh->curs.visible) || + (asyh->core.visible = asyh->lut.visible)) { /*XXX: We need to either find some way of having the * primary base layer appear black, while still * being able to display the other layers, or we @@ -2166,11 +2262,10 @@ nv50_head_atomic_check(struct drm_crtc *crtc, struct drm_crtc_state *state) asyh->core.layout = 1; asyh->core.block = 0; asyh->core.pitch = ALIGN(asyh->core.w, 64) * 4; - asyh->lut.handle = disp->mast.base.vram.handle; - asyh->lut.offset = head->lut.nvbo[0]->bo.offset; asyh->set.base = armh->base.cpp != asyh->base.cpp; asyh->set.ovly = armh->ovly.cpp != asyh->ovly.cpp; } else { + asyh->lut.visible = false; asyh->core.visible = false; asyh->curs.visible = false; asyh->base.cpp = 0; @@ -2194,8 +2289,10 @@ nv50_head_atomic_check(struct drm_crtc *crtc, struct drm_crtc_state *state) asyh->clr.curs = true; } } else { + asyh->clr.ilut = armh->lut.visible; asyh->clr.core = armh->core.visible; asyh->clr.curs = armh->curs.visible; + asyh->set.ilut = asyh->lut.visible; asyh->set.core = asyh->core.visible; asyh->set.curs = asyh->curs.visible; } @@ -2205,47 +2302,11 @@ nv50_head_atomic_check(struct drm_crtc *crtc, struct drm_crtc_state *state) return 0; } -static void -nv50_head_lut_load(struct drm_crtc *crtc) -{ - struct nv50_disp *disp = nv50_disp(crtc->dev); - struct nv50_head *head = nv50_head(crtc); - void __iomem *lut = nvbo_kmap_obj_iovirtual(head->lut.nvbo[0]); - u16 *r, *g, *b; - int i; - - r = crtc->gamma_store; - g = r + crtc->gamma_size; - b = g + crtc->gamma_size; - - for (i = 0; i < 256; i++) { - if (disp->disp->oclass < GF110_DISP) { - writew((*r++ >> 2) + 0x0000, lut + (i * 0x08) + 0); - writew((*g++ >> 2) + 0x0000, lut + (i * 0x08) + 2); - writew((*b++ >> 2) + 0x0000, lut + (i * 0x08) + 4); - } else { - /* 0x6000 interferes with the 14-bit color??? */ - writew((*r++ >> 2) + 0x6000, lut + (i * 0x08) + 0); - writew((*g++ >> 2) + 0x6000, lut + (i * 0x08) + 2); - writew((*b++ >> 2) + 0x6000, lut + (i * 0x08) + 4); - } - } -} - static const struct drm_crtc_helper_funcs nv50_head_help = { .atomic_check = nv50_head_atomic_check, }; -static int -nv50_head_gamma_set(struct drm_crtc *crtc, u16 *r, u16 *g, u16 *b, - uint32_t size, - struct drm_modeset_acquire_ctx *ctx) -{ - nv50_head_lut_load(crtc); - return 0; -} - static void nv50_head_atomic_destroy_state(struct drm_crtc *crtc, struct drm_crtc_state *state) @@ -2318,7 +2379,7 @@ nv50_head_destroy(struct drm_crtc *crtc) static const struct drm_crtc_funcs nv50_head_func = { .reset = nv50_head_reset, - .gamma_set = nv50_head_gamma_set, + .gamma_set = drm_atomic_helper_legacy_gamma_set, .destroy = nv50_head_destroy, .set_config = drm_atomic_helper_set_config, .page_flip = drm_atomic_helper_page_flip, @@ -4345,7 +4406,6 @@ nv50_display_init(struct drm_device *dev) { struct drm_encoder *encoder; struct drm_plane *plane; - struct drm_crtc *crtc; u32 *push; push = evo_wait(nv50_mast(dev), 32); @@ -4364,10 +4424,6 @@ nv50_display_init(struct drm_device *dev) } } - drm_for_each_crtc(crtc, dev) { - nv50_head_lut_load(crtc); - } - drm_for_each_plane(plane, dev) { struct nv50_wndw *wndw = nv50_wndw(plane); if (plane->funcs != &nv50_wndw) |
