diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nv50_crtc.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nv50_crtc.c | 769 |
1 files changed, 769 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nv50_crtc.c b/drivers/gpu/drm/nouveau/nv50_crtc.c new file mode 100644 index 00000000000..f8e28a1e44e --- /dev/null +++ b/drivers/gpu/drm/nouveau/nv50_crtc.c @@ -0,0 +1,769 @@ +/* + * Copyright (C) 2008 Maarten Maathuis. + * All Rights Reserved. + * + * 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 (including the + * next paragraph) 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 OWNER(S) AND/OR ITS SUPPLIERS 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 "drmP.h" +#include "drm_mode.h" +#include "drm_crtc_helper.h" + +#define NOUVEAU_DMA_DEBUG (nouveau_reg_debug & NOUVEAU_REG_DEBUG_EVO) +#include "nouveau_reg.h" +#include "nouveau_drv.h" +#include "nouveau_hw.h" +#include "nouveau_encoder.h" +#include "nouveau_crtc.h" +#include "nouveau_fb.h" +#include "nouveau_connector.h" +#include "nv50_display.h" + +static void +nv50_crtc_lut_load(struct drm_crtc *crtc) +{ + struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc); + void __iomem *lut = nvbo_kmap_obj_iovirtual(nv_crtc->lut.nvbo); + int i; + + NV_DEBUG(crtc->dev, "\n"); + + for (i = 0; i < 256; i++) { + writew(nv_crtc->lut.r[i] >> 2, lut + 8*i + 0); + writew(nv_crtc->lut.g[i] >> 2, lut + 8*i + 2); + writew(nv_crtc->lut.b[i] >> 2, lut + 8*i + 4); + } + + if (nv_crtc->lut.depth == 30) { + writew(nv_crtc->lut.r[i - 1] >> 2, lut + 8*i + 0); + writew(nv_crtc->lut.g[i - 1] >> 2, lut + 8*i + 2); + writew(nv_crtc->lut.b[i - 1] >> 2, lut + 8*i + 4); + } +} + +int +nv50_crtc_blank(struct nouveau_crtc *nv_crtc, bool blanked) +{ + struct drm_device *dev = nv_crtc->base.dev; + struct drm_nouveau_private *dev_priv = dev->dev_private; + struct nouveau_channel *evo = dev_priv->evo; + int index = nv_crtc->index, ret; + + NV_DEBUG(dev, "index %d\n", nv_crtc->index); + NV_DEBUG(dev, "%s\n", blanked ? "blanked" : "unblanked"); + + if (blanked) { + nv_crtc->cursor.hide(nv_crtc, false); + + ret = RING_SPACE(evo, dev_priv->chipset != 0x50 ? 7 : 5); + if (ret) { + NV_ERROR(dev, "no space while blanking crtc\n"); + return ret; + } + BEGIN_RING(evo, 0, NV50_EVO_CRTC(index, CLUT_MODE), 2); + OUT_RING(evo, NV50_EVO_CRTC_CLUT_MODE_BLANK); + OUT_RING(evo, 0); + if (dev_priv->chipset != 0x50) { + BEGIN_RING(evo, 0, NV84_EVO_CRTC(index, CLUT_DMA), 1); + OUT_RING(evo, NV84_EVO_CRTC_CLUT_DMA_HANDLE_NONE); + } + + BEGIN_RING(evo, 0, NV50_EVO_CRTC(index, FB_DMA), 1); + OUT_RING(evo, NV50_EVO_CRTC_FB_DMA_HANDLE_NONE); + } else { + if (nv_crtc->cursor.visible) + nv_crtc->cursor.show(nv_crtc, false); + else + nv_crtc->cursor.hide(nv_crtc, false); + + ret = RING_SPACE(evo, dev_priv->chipset != 0x50 ? 10 : 8); + if (ret) { + NV_ERROR(dev, "no space while unblanking crtc\n"); + return ret; + } + BEGIN_RING(evo, 0, NV50_EVO_CRTC(index, CLUT_MODE), 2); + OUT_RING(evo, nv_crtc->lut.depth == 8 ? + NV50_EVO_CRTC_CLUT_MODE_OFF : + NV50_EVO_CRTC_CLUT_MODE_ON); + OUT_RING(evo, (nv_crtc->lut.nvbo->bo.mem.mm_node->start << + PAGE_SHIFT) >> 8); + if (dev_priv->chipset != 0x50) { + BEGIN_RING(evo, 0, NV84_EVO_CRTC(index, CLUT_DMA), 1); + OUT_RING(evo, NvEvoVRAM); + } + + BEGIN_RING(evo, 0, NV50_EVO_CRTC(index, FB_OFFSET), 2); + OUT_RING(evo, nv_crtc->fb.offset >> 8); + OUT_RING(evo, 0); + BEGIN_RING(evo, 0, NV50_EVO_CRTC(index, FB_DMA), 1); + if (dev_priv->chipset != 0x50) + if (nv_crtc->fb.tile_flags == 0x7a00) + OUT_RING(evo, NvEvoFB32); + else + if (nv_crtc->fb.tile_flags == 0x7000) + OUT_RING(evo, NvEvoFB16); + else + OUT_RING(evo, NvEvoVRAM); + else + OUT_RING(evo, NvEvoVRAM); + } + + nv_crtc->fb.blanked = blanked; + return 0; +} + +static int +nv50_crtc_set_dither(struct nouveau_crtc *nv_crtc, bool on, bool update) +{ + struct drm_device *dev = nv_crtc->base.dev; + struct drm_nouveau_private *dev_priv = dev->dev_private; + struct nouveau_channel *evo = dev_priv->evo; + int ret; + + NV_DEBUG(dev, "\n"); + + ret = RING_SPACE(evo, 2 + (update ? 2 : 0)); + if (ret) { + NV_ERROR(dev, "no space while setting dither\n"); + return ret; + } + + BEGIN_RING(evo, 0, NV50_EVO_CRTC(nv_crtc->index, DITHER_CTRL), 1); + if (on) + OUT_RING(evo, NV50_EVO_CRTC_DITHER_CTRL_ON); + else + OUT_RING(evo, NV50_EVO_CRTC_DITHER_CTRL_OFF); + + if (update) { + BEGIN_RING(evo, 0, NV50_EVO_UPDATE, 1); + OUT_RING(evo, 0); + FIRE_RING(evo); + } + + return 0; +} + +struct nouveau_connector * +nouveau_crtc_connector_get(struct nouveau_crtc *nv_crtc) +{ + struct drm_device *dev = nv_crtc->base.dev; + struct drm_connector *connector; + struct drm_crtc *crtc = to_drm_crtc(nv_crtc); + + /* The safest approach is to find an encoder with the right crtc, that + * is also linked to a connector. */ + list_for_each_entry(connector, &dev->mode_config.connector_list, head) { + if (connector->encoder) + if (connector->encoder->crtc == crtc) + return nouveau_connector(connector); + } + + return NULL; +} + +static int +nv50_crtc_set_scale(struct nouveau_crtc *nv_crtc, int scaling_mode, bool update) +{ + struct nouveau_connector *nv_connector = + nouveau_crtc_connector_get(nv_crtc); + struct drm_device *dev = nv_crtc->base.dev; + struct drm_nouveau_private *dev_priv = dev->dev_private; + struct nouveau_channel *evo = dev_priv->evo; + struct drm_display_mode *native_mode = NULL; + struct drm_display_mode *mode = &nv_crtc->base.mode; + uint32_t outX, outY, horiz, vert; + int ret; + + NV_DEBUG(dev, "\n"); + + switch (scaling_mode) { + case DRM_MODE_SCALE_NONE: + break; + default: + if (!nv_connector || !nv_connector->native_mode) { + NV_ERROR(dev, "No native mode, forcing panel scaling\n"); + scaling_mode = DRM_MODE_SCALE_NONE; + } else { + native_mode = nv_connector->native_mode; + } + break; + } + + switch (scaling_mode) { + case DRM_MODE_SCALE_ASPECT: + horiz = (native_mode->hdisplay << 19) / mode->hdisplay; + vert = (native_mode->vdisplay << 19) / mode->vdisplay; + + if (vert > horiz) { + outX = (mode->hdisplay * horiz) >> 19; + outY = (mode->vdisplay * horiz) >> 19; + } else { + outX = (mode->hdisplay * vert) >> 19; + outY = (mode->vdisplay * vert) >> 19; + } + break; + case DRM_MODE_SCALE_FULLSCREEN: + outX = native_mode->hdisplay; + outY = native_mode->vdisplay; + break; + case DRM_MODE_SCALE_CENTER: + case DRM_MODE_SCALE_NONE: + default: + outX = mode->hdisplay; + outY = mode->vdisplay; + break; + } + + ret = RING_SPACE(evo, update ? 7 : 5); + if (ret) + return ret; + + /* Got a better name for SCALER_ACTIVE? */ + /* One day i've got to really figure out why this is needed. */ + BEGIN_RING(evo, 0, NV50_EVO_CRTC(nv_crtc->index, SCALE_CTRL), 1); + if ((mode->flags & DRM_MODE_FLAG_DBLSCAN) || + (mode->flags & DRM_MODE_FLAG_INTERLACE) || + mode->hdisplay != outX || mode->vdisplay != outY) { + OUT_RING(evo, NV50_EVO_CRTC_SCALE_CTRL_ACTIVE); + } else { + OUT_RING(evo, NV50_EVO_CRTC_SCALE_CTRL_INACTIVE); + } + + BEGIN_RING(evo, 0, NV50_EVO_CRTC(nv_crtc->index, SCALE_RES1), 2); + OUT_RING(evo, outY << 16 | outX); + OUT_RING(evo, outY << 16 | outX); + + if (update) { + BEGIN_RING(evo, 0, NV50_EVO_UPDATE, 1); + OUT_RING(evo, 0); + FIRE_RING(evo); + } + + return 0; +} + +int +nv50_crtc_set_clock(struct drm_device *dev, int head, int pclk) +{ + uint32_t pll_reg = NV50_PDISPLAY_CRTC_CLK_CTRL1(head); + struct nouveau_pll_vals pll; + struct pll_lims limits; + uint32_t reg1, reg2; + int ret; + + ret = get_pll_limits(dev, pll_reg, &limits); + if (ret) + return ret; + + ret = nouveau_calc_pll_mnp(dev, &limits, pclk, &pll); + if (ret <= 0) + return ret; + + if (limits.vco2.maxfreq) { + reg1 = nv_rd32(dev, pll_reg + 4) & 0xff00ff00; + reg2 = nv_rd32(dev, pll_reg + 8) & 0x8000ff00; + nv_wr32(dev, pll_reg, 0x10000611); + nv_wr32(dev, pll_reg + 4, reg1 | (pll.M1 << 16) | pll.N1); + nv_wr32(dev, pll_reg + 8, + reg2 | (pll.log2P << 28) | (pll.M2 << 16) | pll.N2); + } else { + reg1 = nv_rd32(dev, pll_reg + 4) & 0xffc00000; + nv_wr32(dev, pll_reg, 0x50000610); + nv_wr32(dev, pll_reg + 4, reg1 | + (pll.log2P << 16) | (pll.M1 << 8) | pll.N1); + } + + return 0; +} + +static void +nv50_crtc_destroy(struct drm_crtc *crtc) +{ + struct drm_device *dev = crtc->dev; + struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc); + + NV_DEBUG(dev, "\n"); + + if (!crtc) + return; + + drm_crtc_cleanup(&nv_crtc->base); + + nv50_cursor_fini(nv_crtc); + + nouveau_bo_ref(NULL, &nv_crtc->lut.nvbo); + nouveau_bo_ref(NULL, &nv_crtc->cursor.nvbo); + kfree(nv_crtc->mode); + kfree(nv_crtc); +} + +int +nv50_crtc_cursor_set(struct drm_crtc *crtc, struct drm_file *file_priv, + uint32_t buffer_handle, uint32_t width, uint32_t height) +{ + struct drm_device *dev = crtc->dev; + struct drm_nouveau_private *dev_priv = dev->dev_private; + struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc); + struct nouveau_bo *cursor = NULL; + struct drm_gem_object *gem; + int ret = 0, i; + + if (width != 64 || height != 64) + return -EINVAL; + + if (!buffer_handle) { + nv_crtc->cursor.hide(nv_crtc, true); + return 0; + } + + gem = drm_gem_object_lookup(dev, file_priv, buffer_handle); + if (!gem) + return -EINVAL; + cursor = nouveau_gem_object(gem); + + ret = nouveau_bo_map(cursor); + if (ret) + goto out; + + /* The simple will do for now. */ + for (i = 0; i < 64 * 64; i++) + nouveau_bo_wr32(nv_crtc->cursor.nvbo, i, nouveau_bo_rd32(cursor, i)); + + nouveau_bo_unmap(cursor); + + nv_crtc->cursor.set_offset(nv_crtc, nv_crtc->cursor.nvbo->bo.offset - + dev_priv->vm_vram_base); + nv_crtc->cursor.show(nv_crtc, true); + +out: + mutex_lock(&dev->struct_mutex); + drm_gem_object_unreference(gem); + mutex_unlock(&dev->struct_mutex); + return ret; +} + +int +nv50_crtc_cursor_move(struct drm_crtc *crtc, int x, int y) +{ + struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc); + + nv_crtc->cursor.set_pos(nv_crtc, x, y); + return 0; +} + +static void +nv50_crtc_gamma_set(struct drm_crtc *crtc, u16 *r, u16 *g, u16 *b, + uint32_t size) +{ + struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc); + int i; + + if (size != 256) + return; + + for (i = 0; i < 256; i++) { + nv_crtc->lut.r[i] = r[i]; + nv_crtc->lut.g[i] = g[i]; + nv_crtc->lut.b[i] = b[i]; + } + + /* We need to know the depth before we upload, but it's possible to + * get called before a framebuffer is bound. If this is the case, + * mark the lut values as dirty by setting depth==0, and it'll be + * uploaded on the first mode_set_base() + */ + if (!nv_crtc->base.fb) { + nv_crtc->lut.depth = 0; + return; + } + + nv50_crtc_lut_load(crtc); +} + +static void +nv50_crtc_save(struct drm_crtc *crtc) +{ + NV_ERROR(crtc->dev, "!!\n"); +} + +static void +nv50_crtc_restore(struct drm_crtc *crtc) +{ + NV_ERROR(crtc->dev, "!!\n"); +} + +static const struct drm_crtc_funcs nv50_crtc_funcs = { + .save = nv50_crtc_save, + .restore = nv50_crtc_restore, + .cursor_set = nv50_crtc_cursor_set, + .cursor_move = nv50_crtc_cursor_move, + .gamma_set = nv50_crtc_gamma_set, + .set_config = drm_crtc_helper_set_config, + .destroy = nv50_crtc_destroy, +}; + +static void +nv50_crtc_dpms(struct drm_crtc *crtc, int mode) +{ +} + +static void +nv50_crtc_prepare(struct drm_crtc *crtc) +{ + struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc); + struct drm_device *dev = crtc->dev; + struct drm_encoder *encoder; + + NV_DEBUG(dev, "index %d\n", nv_crtc->index); + + /* Disconnect all unused encoders. */ + list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) { + struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder); + + if (drm_helper_encoder_in_use(encoder)) + continue; + + nv_encoder->disconnect(nv_encoder); + } + + nv50_crtc_blank(nv_crtc, true); +} + +static void +nv50_crtc_commit(struct drm_crtc *crtc) +{ + struct drm_crtc *crtc2; + struct drm_device *dev = crtc->dev; + struct drm_nouveau_private *dev_priv = dev->dev_private; + struct nouveau_channel *evo = dev_priv->evo; + struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc); + int ret; + + NV_DEBUG(dev, "index %d\n", nv_crtc->index); + + nv50_crtc_blank(nv_crtc, false); + + /* Explicitly blank all unused crtc's. */ + list_for_each_entry(crtc2, &dev->mode_config.crtc_list, head) { + if (!drm_helper_crtc_in_use(crtc2)) + nv50_crtc_blank(nouveau_crtc(crtc2), true); + } + + ret = RING_SPACE(evo, 2); + if (ret) { + NV_ERROR(dev, "no space while committing crtc\n"); + return; + } + BEGIN_RING(evo, 0, NV50_EVO_UPDATE, 1); + OUT_RING(evo, 0); + FIRE_RING(evo); +} + +static bool +nv50_crtc_mode_fixup(struct drm_crtc *crtc, struct drm_display_mode *mode, + struct drm_display_mode *adjusted_mode) +{ + return true; +} + +static int +nv50_crtc_do_mode_set_base(struct drm_crtc *crtc, int x, int y, + struct drm_framebuffer *old_fb, bool update) +{ + struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc); + struct drm_device *dev = nv_crtc->base.dev; + struct drm_nouveau_private *dev_priv = dev->dev_private; + struct nouveau_channel *evo = dev_priv->evo; + struct drm_framebuffer *drm_fb = nv_crtc->base.fb; + struct nouveau_framebuffer *fb = nouveau_framebuffer(drm_fb); + int ret, format; + + NV_DEBUG(dev, "index %d\n", nv_crtc->index); + + switch (drm_fb->depth) { + case 8: + format = NV50_EVO_CRTC_FB_DEPTH_8; + break; + case 15: + format = NV50_EVO_CRTC_FB_DEPTH_15; + break; + case 16: + format = NV50_EVO_CRTC_FB_DEPTH_16; + break; + case 24: + case 32: + format = NV50_EVO_CRTC_FB_DEPTH_24; + break; + case 30: + format = NV50_EVO_CRTC_FB_DEPTH_30; + break; + default: + NV_ERROR(dev, "unknown depth %d\n", drm_fb->depth); + return -EINVAL; + } + + ret = nouveau_bo_pin(fb->nvbo, TTM_PL_FLAG_VRAM); + if (ret) + return ret; + + if (old_fb) { + struct nouveau_framebuffer *ofb = nouveau_framebuffer(old_fb); + nouveau_bo_unpin(ofb->nvbo); + } + + nv_crtc->fb.offset = fb->nvbo->bo.offset - dev_priv->vm_vram_base; + nv_crtc->fb.tile_flags = fb->nvbo->tile_flags; + nv_crtc->fb.cpp = drm_fb->bits_per_pixel / 8; + if (!nv_crtc->fb.blanked && dev_priv->chipset != 0x50) { + ret = RING_SPACE(evo, 2); + if (ret) + return ret; + + BEGIN_RING(evo, 0, NV50_EVO_CRTC(nv_crtc->index, FB_DMA), 1); + if (nv_crtc->fb.tile_flags == 0x7a00) + OUT_RING(evo, NvEvoFB32); + else + if (nv_crtc->fb.tile_flags == 0x7000) + OUT_RING(evo, NvEvoFB16); + else + OUT_RING(evo, NvEvoVRAM); + } + + ret = RING_SPACE(evo, 12); + if (ret) + return ret; + + BEGIN_RING(evo, 0, NV50_EVO_CRTC(nv_crtc->index, FB_OFFSET), 5); + OUT_RING(evo, nv_crtc->fb.offset >> 8); + OUT_RING(evo, 0); + OUT_RING(evo, (drm_fb->height << 16) | drm_fb->width); + if (!nv_crtc->fb.tile_flags) { + OUT_RING(evo, drm_fb->pitch | (1 << 20)); + } else { + OUT_RING(evo, ((drm_fb->pitch / 4) << 4) | + fb->nvbo->tile_mode); + } + if (dev_priv->chipset == 0x50) + OUT_RING(evo, (fb->nvbo->tile_flags << 8) | format); + else + OUT_RING(evo, format); + + BEGIN_RING(evo, 0, NV50_EVO_CRTC(nv_crtc->index, CLUT_MODE), 1); + OUT_RING(evo, fb->base.depth == 8 ? + NV50_EVO_CRTC_CLUT_MODE_OFF : NV50_EVO_CRTC_CLUT_MODE_ON); + + BEGIN_RING(evo, 0, NV50_EVO_CRTC(nv_crtc->index, COLOR_CTRL), 1); + OUT_RING(evo, NV50_EVO_CRTC_COLOR_CTRL_COLOR); + BEGIN_RING(evo, 0, NV50_EVO_CRTC(nv_crtc->index, FB_POS), 1); + OUT_RING(evo, (y << 16) | x); + + if (nv_crtc->lut.depth != fb->base.depth) { + nv_crtc->lut.depth = fb->base.depth; + nv50_crtc_lut_load(crtc); + } + + if (update) { + ret = RING_SPACE(evo, 2); + if (ret) + return ret; + BEGIN_RING(evo, 0, NV50_EVO_UPDATE, 1); + OUT_RING(evo, 0); + FIRE_RING(evo); + } + + return 0; +} + +static int +nv50_crtc_mode_set(struct drm_crtc *crtc, struct drm_display_mode *mode, + struct drm_display_mode *adjusted_mode, int x, int y, + struct drm_framebuffer *old_fb) +{ + struct drm_device *dev = crtc->dev; + struct drm_nouveau_private *dev_priv = dev->dev_private; + struct nouveau_channel *evo = dev_priv->evo; + struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc); + struct nouveau_connector *nv_connector = NULL; + uint32_t hsync_dur, vsync_dur, hsync_start_to_end, vsync_start_to_end; + uint32_t hunk1, vunk1, vunk2a, vunk2b; + int ret; + + /* Find the connector attached to this CRTC */ + nv_connector = nouveau_crtc_connector_get(nv_crtc); + + *nv_crtc->mode = *adjusted_mode; + + NV_DEBUG(dev, "index %d\n", nv_crtc->index); + + hsync_dur = adjusted_mode->hsync_end - adjusted_mode->hsync_start; + vsync_dur = adjusted_mode->vsync_end - adjusted_mode->vsync_start; + hsync_start_to_end = adjusted_mode->htotal - adjusted_mode->hsync_start; + vsync_start_to_end = adjusted_mode->vtotal - adjusted_mode->vsync_start; + /* I can't give this a proper name, anyone else can? */ + hunk1 = adjusted_mode->htotal - + adjusted_mode->hsync_start + adjusted_mode->hdisplay; + vunk1 = adjusted_mode->vtotal - + adjusted_mode->vsync_start + adjusted_mode->vdisplay; + /* Another strange value, this time only for interlaced adjusted_modes. */ + vunk2a = 2 * adjusted_mode->vtotal - + adjusted_mode->vsync_start + adjusted_mode->vdisplay; + vunk2b = adjusted_mode->vtotal - + adjusted_mode->vsync_start + adjusted_mode->vtotal; + + if (adjusted_mode->flags & DRM_MODE_FLAG_INTERLACE) { + vsync_dur /= 2; + vsync_start_to_end /= 2; + vunk1 /= 2; + vunk2a /= 2; + vunk2b /= 2; + /* magic */ + if (adjusted_mode->flags & DRM_MODE_FLAG_DBLSCAN) { + vsync_start_to_end -= 1; + vunk1 -= 1; + vunk2a -= 1; + vunk2b -= 1; + } + } + + ret = RING_SPACE(evo, 17); + if (ret) + return ret; + + BEGIN_RING(evo, 0, NV50_EVO_CRTC(nv_crtc->index, CLOCK), 2); + OUT_RING(evo, adjusted_mode->clock | 0x800000); + OUT_RING(evo, (adjusted_mode->flags & DRM_MODE_FLAG_INTERLACE) ? 2 : 0); + + BEGIN_RING(evo, 0, NV50_EVO_CRTC(nv_crtc->index, DISPLAY_START), 5); + OUT_RING(evo, 0); + OUT_RING(evo, (adjusted_mode->vtotal << 16) | adjusted_mode->htotal); + OUT_RING(evo, (vsync_dur - 1) << 16 | (hsync_dur - 1)); + OUT_RING(evo, (vsync_start_to_end - 1) << 16 | + (hsync_start_to_end - 1)); + OUT_RING(evo, (vunk1 - 1) << 16 | (hunk1 - 1)); + + if (adjusted_mode->flags & DRM_MODE_FLAG_INTERLACE) { + BEGIN_RING(evo, 0, NV50_EVO_CRTC(nv_crtc->index, UNK0824), 1); + OUT_RING(evo, (vunk2b - 1) << 16 | (vunk2a - 1)); + } else { + OUT_RING(evo, 0); + OUT_RING(evo, 0); + } + + BEGIN_RING(evo, 0, NV50_EVO_CRTC(nv_crtc->index, UNK082C), 1); + OUT_RING(evo, 0); + + /* This is the actual resolution of the mode. */ + BEGIN_RING(evo, 0, NV50_EVO_CRTC(nv_crtc->index, REAL_RES), 1); + OUT_RING(evo, (mode->vdisplay << 16) | mode->hdisplay); + BEGIN_RING(evo, 0, NV50_EVO_CRTC(nv_crtc->index, SCALE_CENTER_OFFSET), 1); + OUT_RING(evo, NV50_EVO_CRTC_SCALE_CENTER_OFFSET_VAL(0, 0)); + + nv_crtc->set_dither(nv_crtc, nv_connector->use_dithering, false); + nv_crtc->set_scale(nv_crtc, nv_connector->scaling_mode, false); + + return nv50_crtc_do_mode_set_base(crtc, x, y, old_fb, false); +} + +static int +nv50_crtc_mode_set_base(struct drm_crtc *crtc, int x, int y, + struct drm_framebuffer *old_fb) +{ + return nv50_crtc_do_mode_set_base(crtc, x, y, old_fb, true); +} + +static const struct drm_crtc_helper_funcs nv50_crtc_helper_funcs = { + .dpms = nv50_crtc_dpms, + .prepare = nv50_crtc_prepare, + .commit = nv50_crtc_commit, + .mode_fixup = nv50_crtc_mode_fixup, + .mode_set = nv50_crtc_mode_set, + .mode_set_base = nv50_crtc_mode_set_base, + .load_lut = nv50_crtc_lut_load, +}; + +int +nv50_crtc_create(struct drm_device *dev, int index) +{ + struct nouveau_crtc *nv_crtc = NULL; + int ret, i; + + NV_DEBUG(dev, "\n"); + + nv_crtc = kzalloc(sizeof(*nv_crtc), GFP_KERNEL); + if (!nv_crtc) + return -ENOMEM; + + nv_crtc->mode = kzalloc(sizeof(*nv_crtc->mode), GFP_KERNEL); + if (!nv_crtc->mode) { + kfree(nv_crtc); + return -ENOMEM; + } + + /* Default CLUT parameters, will be activated on the hw upon + * first mode set. + */ + for (i = 0; i < 256; i++) { + nv_crtc->lut.r[i] = i << 8; + nv_crtc->lut.g[i] = i << 8; + nv_crtc->lut.b[i] = i << 8; + } + nv_crtc->lut.depth = 0; + + ret = nouveau_bo_new(dev, NULL, 4096, 0x100, TTM_PL_FLAG_VRAM, + 0, 0x0000, false, true, &nv_crtc->lut.nvbo); + if (!ret) { + ret = nouveau_bo_pin(nv_crtc->lut.nvbo, TTM_PL_FLAG_VRAM); + if (!ret) + ret = nouveau_bo_map(nv_crtc->lut.nvbo); + if (ret) + nouveau_bo_ref(NULL, &nv_crtc->lut.nvbo); + } + + if (ret) { + kfree(nv_crtc->mode); + kfree(nv_crtc); + return ret; + } + + nv_crtc->index = index; + + /* set function pointers */ + nv_crtc->set_dither = nv50_crtc_set_dither; + nv_crtc->set_scale = nv50_crtc_set_scale; + + drm_crtc_init(dev, &nv_crtc->base, &nv50_crtc_funcs); + drm_crtc_helper_add(&nv_crtc->base, &nv50_crtc_helper_funcs); + drm_mode_crtc_set_gamma_size(&nv_crtc->base, 256); + + ret = nouveau_bo_new(dev, NULL, 64*64*4, 0x100, TTM_PL_FLAG_VRAM, + 0, 0x0000, false, true, &nv_crtc->cursor.nvbo); + if (!ret) { + ret = nouveau_bo_pin(nv_crtc->cursor.nvbo, TTM_PL_FLAG_VRAM); + if (!ret) + ret = nouveau_bo_map(nv_crtc->cursor.nvbo); + if (ret) + nouveau_bo_ref(NULL, &nv_crtc->cursor.nvbo); + } + + nv50_cursor_init(nv_crtc); + return 0; +} |