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path: root/drivers/gpu/drm/nouveau/nv50_crtc.c
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Diffstat (limited to 'drivers/gpu/drm/nouveau/nv50_crtc.c')
-rw-r--r--drivers/gpu/drm/nouveau/nv50_crtc.c798
1 files changed, 0 insertions, 798 deletions
diff --git a/drivers/gpu/drm/nouveau/nv50_crtc.c b/drivers/gpu/drm/nouveau/nv50_crtc.c
deleted file mode 100644
index 9023c4dbb44..00000000000
--- a/drivers/gpu/drm/nouveau/nv50_crtc.c
+++ /dev/null
@@ -1,798 +0,0 @@
-/*
- * 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_KMS(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_KMS(dev, "index %d\n", nv_crtc->index);
- NV_DEBUG_KMS(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.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 ||
- nv_crtc->fb.tile_flags == 0xfe00)
- OUT_RING(evo, NvEvoFB32);
- else
- if (nv_crtc->fb.tile_flags == 0x7000)
- OUT_RING(evo, NvEvoFB16);
- else
- OUT_RING(evo, NvEvoVRAM_LP);
- else
- OUT_RING(evo, NvEvoVRAM_LP);
- }
-
- 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_KMS(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_KMS(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)
-{
- struct drm_nouveau_private *dev_priv = dev->dev_private;
- struct pll_lims pll;
- uint32_t reg1, reg2;
- int ret, N1, M1, N2, M2, P;
-
- ret = get_pll_limits(dev, PLL_VPLL0 + head, &pll);
- if (ret)
- return ret;
-
- if (pll.vco2.maxfreq) {
- ret = nv50_calc_pll(dev, &pll, pclk, &N1, &M1, &N2, &M2, &P);
- if (ret <= 0)
- return 0;
-
- NV_DEBUG(dev, "pclk %d out %d NM1 %d %d NM2 %d %d P %d\n",
- pclk, ret, N1, M1, N2, M2, P);
-
- reg1 = nv_rd32(dev, pll.reg + 4) & 0xff00ff00;
- reg2 = nv_rd32(dev, pll.reg + 8) & 0x8000ff00;
- nv_wr32(dev, pll.reg + 0, 0x10000611);
- nv_wr32(dev, pll.reg + 4, reg1 | (M1 << 16) | N1);
- nv_wr32(dev, pll.reg + 8, reg2 | (P << 28) | (M2 << 16) | N2);
- } else
- if (dev_priv->chipset < NV_C0) {
- ret = nv50_calc_pll2(dev, &pll, pclk, &N1, &N2, &M1, &P);
- if (ret <= 0)
- return 0;
-
- NV_DEBUG(dev, "pclk %d out %d N %d fN 0x%04x M %d P %d\n",
- pclk, ret, N1, N2, M1, P);
-
- reg1 = nv_rd32(dev, pll.reg + 4) & 0xffc00000;
- nv_wr32(dev, pll.reg + 0, 0x50000610);
- nv_wr32(dev, pll.reg + 4, reg1 | (P << 16) | (M1 << 8) | N1);
- nv_wr32(dev, pll.reg + 8, N2);
- } else {
- ret = nv50_calc_pll2(dev, &pll, pclk, &N1, &N2, &M1, &P);
- if (ret <= 0)
- return 0;
-
- NV_DEBUG(dev, "pclk %d out %d N %d fN 0x%04x M %d P %d\n",
- pclk, ret, N1, N2, M1, P);
-
- nv_mask(dev, pll.reg + 0x0c, 0x00000000, 0x00000100);
- nv_wr32(dev, pll.reg + 0x04, (P << 16) | (N1 << 8) | M1);
- nv_wr32(dev, pll.reg + 0x10, N2 << 16);
- }
-
- return 0;
-}
-
-static void
-nv50_crtc_destroy(struct drm_crtc *crtc)
-{
- struct drm_device *dev;
- struct nouveau_crtc *nv_crtc;
-
- if (!crtc)
- return;
-
- dev = crtc->dev;
- nv_crtc = nouveau_crtc(crtc);
-
- NV_DEBUG_KMS(dev, "\n");
-
- drm_crtc_cleanup(&nv_crtc->base);
-
- nv50_cursor_fini(nv_crtc);
-
- nouveau_bo_unmap(nv_crtc->lut.nvbo);
- nouveau_bo_ref(NULL, &nv_crtc->lut.nvbo);
- nouveau_bo_unmap(nv_crtc->cursor.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 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 -ENOENT;
- 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.mem.start << PAGE_SHIFT);
- nv_crtc->cursor.show(nv_crtc, true);
-
-out:
- drm_gem_object_unreference_unlocked(gem);
- 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 start, uint32_t size)
-{
- int end = (start + size > 256) ? 256 : start + size, i;
- struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
-
- for (i = start; i < end; 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,
- .page_flip = nouveau_crtc_page_flip,
- .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;
-
- NV_DEBUG_KMS(dev, "index %d\n", nv_crtc->index);
-
- drm_vblank_pre_modeset(dev, nv_crtc->index);
- nv50_crtc_blank(nv_crtc, true);
-}
-
-static void
-nv50_crtc_commit(struct drm_crtc *crtc)
-{
- 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_KMS(dev, "index %d\n", nv_crtc->index);
-
- nv50_crtc_blank(nv_crtc, false);
- drm_vblank_post_modeset(dev, nv_crtc->index);
-
- 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,
- struct drm_framebuffer *passed_fb,
- int x, int y, bool update, bool atomic)
-{
- 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_KMS(dev, "index %d\n", nv_crtc->index);
-
- /* If atomic, we want to switch to the fb we were passed, so
- * now we update pointers to do that. (We don't pin; just
- * assume we're already pinned and update the base address.)
- */
- if (atomic) {
- drm_fb = passed_fb;
- fb = nouveau_framebuffer(passed_fb);
- }
- else {
- /* If not atomic, we can go ahead and pin, and unpin the
- * old fb we were passed.
- */
- ret = nouveau_bo_pin(fb->nvbo, TTM_PL_FLAG_VRAM);
- if (ret)
- return ret;
-
- if (passed_fb) {
- struct nouveau_framebuffer *ofb = nouveau_framebuffer(passed_fb);
- nouveau_bo_unpin(ofb->nvbo);
- }
- }
-
- 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;
- }
-
- nv_crtc->fb.offset = fb->nvbo->bo.mem.start << PAGE_SHIFT;
- nv_crtc->fb.tile_flags = nouveau_bo_tile_layout(fb->nvbo);
- 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 ||
- nv_crtc->fb.tile_flags == 0xfe00)
- OUT_RING(evo, NvEvoFB32);
- else
- if (nv_crtc->fb.tile_flags == 0x7000)
- OUT_RING(evo, NvEvoFB16);
- else
- OUT_RING(evo, NvEvoVRAM_LP);
- }
-
- 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 {
- u32 tile_mode = fb->nvbo->tile_mode;
- if (dev_priv->card_type >= NV_C0)
- tile_mode >>= 4;
- OUT_RING(evo, ((drm_fb->pitch / 4) << 4) | tile_mode);
- }
- if (dev_priv->chipset == 0x50)
- OUT_RING(evo, (nv_crtc->fb.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_KMS(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, old_fb, x, y, false, 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, old_fb, x, y, true, false);
-}
-
-static int
-nv50_crtc_mode_set_base_atomic(struct drm_crtc *crtc,
- struct drm_framebuffer *fb,
- int x, int y, enum mode_set_atomic state)
-{
- return nv50_crtc_do_mode_set_base(crtc, fb, x, y, true, 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,
- .mode_set_base_atomic = nv50_crtc_mode_set_base_atomic,
- .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_KMS(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;
-}
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-11-11 05:23:42 +0000