581 lines
15 KiB
C
581 lines
15 KiB
C
/*
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* Copyright (C) 2008 Maarten Maathuis.
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* All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice (including the
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* next paragraph) shall be included in all copies or substantial
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* portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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* IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
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* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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*/
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#include "drmP.h"
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#include "drm_crtc_helper.h"
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#include "nouveau_drv.h"
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#include "nouveau_fb.h"
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#include "nouveau_fbcon.h"
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#include "nouveau_hw.h"
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#include "nouveau_crtc.h"
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#include "nouveau_dma.h"
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#include "nouveau_connector.h"
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#include "nv50_display.h"
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static void
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nouveau_user_framebuffer_destroy(struct drm_framebuffer *drm_fb)
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{
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struct nouveau_framebuffer *fb = nouveau_framebuffer(drm_fb);
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if (fb->nvbo)
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drm_gem_object_unreference_unlocked(fb->nvbo->gem);
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drm_framebuffer_cleanup(drm_fb);
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kfree(fb);
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}
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static int
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nouveau_user_framebuffer_create_handle(struct drm_framebuffer *drm_fb,
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struct drm_file *file_priv,
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unsigned int *handle)
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{
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struct nouveau_framebuffer *fb = nouveau_framebuffer(drm_fb);
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return drm_gem_handle_create(file_priv, fb->nvbo->gem, handle);
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}
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static const struct drm_framebuffer_funcs nouveau_framebuffer_funcs = {
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.destroy = nouveau_user_framebuffer_destroy,
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.create_handle = nouveau_user_framebuffer_create_handle,
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};
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int
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nouveau_framebuffer_init(struct drm_device *dev,
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struct nouveau_framebuffer *nv_fb,
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struct drm_mode_fb_cmd2 *mode_cmd,
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struct nouveau_bo *nvbo)
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{
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struct drm_nouveau_private *dev_priv = dev->dev_private;
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struct drm_framebuffer *fb = &nv_fb->base;
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int ret;
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ret = drm_framebuffer_init(dev, fb, &nouveau_framebuffer_funcs);
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if (ret) {
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return ret;
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}
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drm_helper_mode_fill_fb_struct(fb, mode_cmd);
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nv_fb->nvbo = nvbo;
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if (dev_priv->card_type >= NV_50) {
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u32 tile_flags = nouveau_bo_tile_layout(nvbo);
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if (tile_flags == 0x7a00 ||
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tile_flags == 0xfe00)
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nv_fb->r_dma = NvEvoFB32;
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else
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if (tile_flags == 0x7000)
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nv_fb->r_dma = NvEvoFB16;
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else
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nv_fb->r_dma = NvEvoVRAM_LP;
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switch (fb->depth) {
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case 8: nv_fb->r_format = NV50_EVO_CRTC_FB_DEPTH_8; break;
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case 15: nv_fb->r_format = NV50_EVO_CRTC_FB_DEPTH_15; break;
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case 16: nv_fb->r_format = NV50_EVO_CRTC_FB_DEPTH_16; break;
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case 24:
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case 32: nv_fb->r_format = NV50_EVO_CRTC_FB_DEPTH_24; break;
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case 30: nv_fb->r_format = NV50_EVO_CRTC_FB_DEPTH_30; break;
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default:
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NV_ERROR(dev, "unknown depth %d\n", fb->depth);
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return -EINVAL;
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}
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if (dev_priv->chipset == 0x50)
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nv_fb->r_format |= (tile_flags << 8);
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if (!tile_flags) {
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if (dev_priv->card_type < NV_D0)
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nv_fb->r_pitch = 0x00100000 | fb->pitches[0];
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else
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nv_fb->r_pitch = 0x01000000 | fb->pitches[0];
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} else {
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u32 mode = nvbo->tile_mode;
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if (dev_priv->card_type >= NV_C0)
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mode >>= 4;
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nv_fb->r_pitch = ((fb->pitches[0] / 4) << 4) | mode;
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}
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}
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return 0;
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}
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static struct drm_framebuffer *
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nouveau_user_framebuffer_create(struct drm_device *dev,
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struct drm_file *file_priv,
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struct drm_mode_fb_cmd2 *mode_cmd)
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{
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struct nouveau_framebuffer *nouveau_fb;
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struct drm_gem_object *gem;
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int ret;
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gem = drm_gem_object_lookup(dev, file_priv, mode_cmd->handles[0]);
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if (!gem)
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return ERR_PTR(-ENOENT);
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nouveau_fb = kzalloc(sizeof(struct nouveau_framebuffer), GFP_KERNEL);
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if (!nouveau_fb)
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return ERR_PTR(-ENOMEM);
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ret = nouveau_framebuffer_init(dev, nouveau_fb, mode_cmd, nouveau_gem_object(gem));
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if (ret) {
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drm_gem_object_unreference(gem);
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return ERR_PTR(ret);
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}
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return &nouveau_fb->base;
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}
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static const struct drm_mode_config_funcs nouveau_mode_config_funcs = {
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.fb_create = nouveau_user_framebuffer_create,
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.output_poll_changed = nouveau_fbcon_output_poll_changed,
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};
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struct drm_prop_enum_list {
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u8 gen_mask;
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int type;
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char *name;
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};
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static struct drm_prop_enum_list underscan[] = {
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{ 6, UNDERSCAN_AUTO, "auto" },
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{ 6, UNDERSCAN_OFF, "off" },
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{ 6, UNDERSCAN_ON, "on" },
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{}
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};
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static struct drm_prop_enum_list dither_mode[] = {
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{ 7, DITHERING_MODE_AUTO, "auto" },
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{ 7, DITHERING_MODE_OFF, "off" },
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{ 1, DITHERING_MODE_ON, "on" },
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{ 6, DITHERING_MODE_STATIC2X2, "static 2x2" },
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{ 6, DITHERING_MODE_DYNAMIC2X2, "dynamic 2x2" },
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{ 4, DITHERING_MODE_TEMPORAL, "temporal" },
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{}
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};
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static struct drm_prop_enum_list dither_depth[] = {
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{ 6, DITHERING_DEPTH_AUTO, "auto" },
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{ 6, DITHERING_DEPTH_6BPC, "6 bpc" },
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{ 6, DITHERING_DEPTH_8BPC, "8 bpc" },
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{}
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};
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#define PROP_ENUM(p,gen,n,list) do { \
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struct drm_prop_enum_list *l = (list); \
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int c = 0; \
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while (l->gen_mask) { \
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if (l->gen_mask & (1 << (gen))) \
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c++; \
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l++; \
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} \
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if (c) { \
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p = drm_property_create(dev, DRM_MODE_PROP_ENUM, n, c); \
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l = (list); \
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c = 0; \
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while (p && l->gen_mask) { \
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if (l->gen_mask & (1 << (gen))) { \
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drm_property_add_enum(p, c, l->type, l->name); \
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c++; \
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} \
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l++; \
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} \
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} \
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} while(0)
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int
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nouveau_display_init(struct drm_device *dev)
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{
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struct drm_nouveau_private *dev_priv = dev->dev_private;
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struct nouveau_display_engine *disp = &dev_priv->engine.display;
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int ret;
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ret = disp->init(dev);
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if (ret == 0) {
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drm_kms_helper_poll_enable(dev);
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}
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return ret;
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}
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void
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nouveau_display_fini(struct drm_device *dev)
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{
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struct drm_nouveau_private *dev_priv = dev->dev_private;
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struct nouveau_display_engine *disp = &dev_priv->engine.display;
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drm_kms_helper_poll_disable(dev);
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disp->fini(dev);
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}
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int
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nouveau_display_create(struct drm_device *dev)
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{
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struct drm_nouveau_private *dev_priv = dev->dev_private;
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struct nouveau_display_engine *disp = &dev_priv->engine.display;
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int ret, gen;
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drm_mode_config_init(dev);
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drm_mode_create_scaling_mode_property(dev);
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drm_mode_create_dvi_i_properties(dev);
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if (dev_priv->card_type < NV_50)
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gen = 0;
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else
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if (dev_priv->card_type < NV_D0)
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gen = 1;
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else
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gen = 2;
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PROP_ENUM(disp->dithering_mode, gen, "dithering mode", dither_mode);
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PROP_ENUM(disp->dithering_depth, gen, "dithering depth", dither_depth);
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PROP_ENUM(disp->underscan_property, gen, "underscan", underscan);
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disp->underscan_hborder_property =
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drm_property_create(dev, DRM_MODE_PROP_RANGE,
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"underscan hborder", 2);
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disp->underscan_hborder_property->values[0] = 0;
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disp->underscan_hborder_property->values[1] = 128;
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disp->underscan_vborder_property =
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drm_property_create(dev, DRM_MODE_PROP_RANGE,
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"underscan vborder", 2);
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disp->underscan_vborder_property->values[0] = 0;
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disp->underscan_vborder_property->values[1] = 128;
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dev->mode_config.funcs = (void *)&nouveau_mode_config_funcs;
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dev->mode_config.fb_base = pci_resource_start(dev->pdev, 1);
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dev->mode_config.min_width = 0;
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dev->mode_config.min_height = 0;
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if (dev_priv->card_type < NV_10) {
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dev->mode_config.max_width = 2048;
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dev->mode_config.max_height = 2048;
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} else
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if (dev_priv->card_type < NV_50) {
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dev->mode_config.max_width = 4096;
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dev->mode_config.max_height = 4096;
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} else {
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dev->mode_config.max_width = 8192;
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dev->mode_config.max_height = 8192;
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}
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drm_kms_helper_poll_init(dev);
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drm_kms_helper_poll_disable(dev);
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ret = disp->create(dev);
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if (ret)
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return ret;
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if (dev->mode_config.num_crtc) {
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ret = drm_vblank_init(dev, dev->mode_config.num_crtc);
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if (ret)
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return ret;
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}
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return ret;
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}
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void
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nouveau_display_destroy(struct drm_device *dev)
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{
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struct drm_nouveau_private *dev_priv = dev->dev_private;
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struct nouveau_display_engine *disp = &dev_priv->engine.display;
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drm_vblank_cleanup(dev);
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disp->destroy(dev);
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drm_kms_helper_poll_fini(dev);
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drm_mode_config_cleanup(dev);
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}
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int
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nouveau_vblank_enable(struct drm_device *dev, int crtc)
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{
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struct drm_nouveau_private *dev_priv = dev->dev_private;
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if (dev_priv->card_type >= NV_50)
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nv_mask(dev, NV50_PDISPLAY_INTR_EN_1, 0,
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NV50_PDISPLAY_INTR_EN_1_VBLANK_CRTC_(crtc));
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else
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NVWriteCRTC(dev, crtc, NV_PCRTC_INTR_EN_0,
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NV_PCRTC_INTR_0_VBLANK);
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return 0;
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}
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void
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nouveau_vblank_disable(struct drm_device *dev, int crtc)
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{
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struct drm_nouveau_private *dev_priv = dev->dev_private;
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if (dev_priv->card_type >= NV_50)
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nv_mask(dev, NV50_PDISPLAY_INTR_EN_1,
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NV50_PDISPLAY_INTR_EN_1_VBLANK_CRTC_(crtc), 0);
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else
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NVWriteCRTC(dev, crtc, NV_PCRTC_INTR_EN_0, 0);
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}
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static int
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nouveau_page_flip_reserve(struct nouveau_bo *old_bo,
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struct nouveau_bo *new_bo)
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{
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int ret;
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ret = nouveau_bo_pin(new_bo, TTM_PL_FLAG_VRAM);
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if (ret)
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return ret;
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ret = ttm_bo_reserve(&new_bo->bo, false, false, false, 0);
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if (ret)
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goto fail;
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ret = ttm_bo_reserve(&old_bo->bo, false, false, false, 0);
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if (ret)
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goto fail_unreserve;
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return 0;
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fail_unreserve:
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ttm_bo_unreserve(&new_bo->bo);
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fail:
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nouveau_bo_unpin(new_bo);
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return ret;
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}
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static void
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nouveau_page_flip_unreserve(struct nouveau_bo *old_bo,
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struct nouveau_bo *new_bo,
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struct nouveau_fence *fence)
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{
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nouveau_bo_fence(new_bo, fence);
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ttm_bo_unreserve(&new_bo->bo);
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nouveau_bo_fence(old_bo, fence);
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ttm_bo_unreserve(&old_bo->bo);
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nouveau_bo_unpin(old_bo);
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}
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static int
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nouveau_page_flip_emit(struct nouveau_channel *chan,
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struct nouveau_bo *old_bo,
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struct nouveau_bo *new_bo,
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struct nouveau_page_flip_state *s,
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struct nouveau_fence **pfence)
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{
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struct drm_nouveau_private *dev_priv = chan->dev->dev_private;
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struct drm_device *dev = chan->dev;
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unsigned long flags;
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int ret;
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/* Queue it to the pending list */
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spin_lock_irqsave(&dev->event_lock, flags);
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list_add_tail(&s->head, &chan->nvsw.flip);
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spin_unlock_irqrestore(&dev->event_lock, flags);
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/* Synchronize with the old framebuffer */
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ret = nouveau_fence_sync(old_bo->bo.sync_obj, chan);
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if (ret)
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goto fail;
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|
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/* Emit the pageflip */
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ret = RING_SPACE(chan, 2);
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if (ret)
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goto fail;
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if (dev_priv->card_type < NV_C0)
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BEGIN_RING(chan, NvSubSw, NV_SW_PAGE_FLIP, 1);
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else
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BEGIN_NVC0(chan, 2, NvSubM2MF, 0x0500, 1);
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OUT_RING (chan, 0);
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FIRE_RING (chan);
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ret = nouveau_fence_new(chan, pfence, true);
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if (ret)
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goto fail;
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return 0;
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fail:
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spin_lock_irqsave(&dev->event_lock, flags);
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list_del(&s->head);
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spin_unlock_irqrestore(&dev->event_lock, flags);
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return ret;
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}
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|
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int
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nouveau_crtc_page_flip(struct drm_crtc *crtc, struct drm_framebuffer *fb,
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struct drm_pending_vblank_event *event)
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{
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struct drm_device *dev = crtc->dev;
|
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struct drm_nouveau_private *dev_priv = dev->dev_private;
|
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struct nouveau_bo *old_bo = nouveau_framebuffer(crtc->fb)->nvbo;
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struct nouveau_bo *new_bo = nouveau_framebuffer(fb)->nvbo;
|
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struct nouveau_page_flip_state *s;
|
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struct nouveau_channel *chan;
|
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struct nouveau_fence *fence;
|
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int ret;
|
|
|
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if (!dev_priv->channel)
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return -ENODEV;
|
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|
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s = kzalloc(sizeof(*s), GFP_KERNEL);
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if (!s)
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return -ENOMEM;
|
|
|
|
/* Don't let the buffers go away while we flip */
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ret = nouveau_page_flip_reserve(old_bo, new_bo);
|
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if (ret)
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goto fail_free;
|
|
|
|
/* Initialize a page flip struct */
|
|
*s = (struct nouveau_page_flip_state)
|
|
{ { }, event, nouveau_crtc(crtc)->index,
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fb->bits_per_pixel, fb->pitches[0], crtc->x, crtc->y,
|
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new_bo->bo.offset };
|
|
|
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/* Choose the channel the flip will be handled in */
|
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chan = nouveau_fence_channel(new_bo->bo.sync_obj);
|
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if (!chan)
|
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chan = nouveau_channel_get_unlocked(dev_priv->channel);
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mutex_lock(&chan->mutex);
|
|
|
|
/* Emit a page flip */
|
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if (dev_priv->card_type >= NV_50) {
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if (dev_priv->card_type >= NV_D0)
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ret = nvd0_display_flip_next(crtc, fb, chan, 0);
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else
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ret = nv50_display_flip_next(crtc, fb, chan);
|
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if (ret) {
|
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nouveau_channel_put(&chan);
|
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goto fail_unreserve;
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}
|
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}
|
|
|
|
ret = nouveau_page_flip_emit(chan, old_bo, new_bo, s, &fence);
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nouveau_channel_put(&chan);
|
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if (ret)
|
|
goto fail_unreserve;
|
|
|
|
/* Update the crtc struct and cleanup */
|
|
crtc->fb = fb;
|
|
|
|
nouveau_page_flip_unreserve(old_bo, new_bo, fence);
|
|
nouveau_fence_unref(&fence);
|
|
return 0;
|
|
|
|
fail_unreserve:
|
|
nouveau_page_flip_unreserve(old_bo, new_bo, NULL);
|
|
fail_free:
|
|
kfree(s);
|
|
return ret;
|
|
}
|
|
|
|
int
|
|
nouveau_finish_page_flip(struct nouveau_channel *chan,
|
|
struct nouveau_page_flip_state *ps)
|
|
{
|
|
struct drm_device *dev = chan->dev;
|
|
struct nouveau_page_flip_state *s;
|
|
unsigned long flags;
|
|
|
|
spin_lock_irqsave(&dev->event_lock, flags);
|
|
|
|
if (list_empty(&chan->nvsw.flip)) {
|
|
NV_ERROR(dev, "Unexpected pageflip in channel %d.\n", chan->id);
|
|
spin_unlock_irqrestore(&dev->event_lock, flags);
|
|
return -EINVAL;
|
|
}
|
|
|
|
s = list_first_entry(&chan->nvsw.flip,
|
|
struct nouveau_page_flip_state, head);
|
|
if (s->event) {
|
|
struct drm_pending_vblank_event *e = s->event;
|
|
struct timeval now;
|
|
|
|
do_gettimeofday(&now);
|
|
e->event.sequence = 0;
|
|
e->event.tv_sec = now.tv_sec;
|
|
e->event.tv_usec = now.tv_usec;
|
|
list_add_tail(&e->base.link, &e->base.file_priv->event_list);
|
|
wake_up_interruptible(&e->base.file_priv->event_wait);
|
|
}
|
|
|
|
list_del(&s->head);
|
|
if (ps)
|
|
*ps = *s;
|
|
kfree(s);
|
|
|
|
spin_unlock_irqrestore(&dev->event_lock, flags);
|
|
return 0;
|
|
}
|
|
|
|
int
|
|
nouveau_display_dumb_create(struct drm_file *file_priv, struct drm_device *dev,
|
|
struct drm_mode_create_dumb *args)
|
|
{
|
|
struct nouveau_bo *bo;
|
|
int ret;
|
|
|
|
args->pitch = roundup(args->width * (args->bpp / 8), 256);
|
|
args->size = args->pitch * args->height;
|
|
args->size = roundup(args->size, PAGE_SIZE);
|
|
|
|
ret = nouveau_gem_new(dev, args->size, 0, TTM_PL_FLAG_VRAM, 0, 0, &bo);
|
|
if (ret)
|
|
return ret;
|
|
|
|
ret = drm_gem_handle_create(file_priv, bo->gem, &args->handle);
|
|
drm_gem_object_unreference_unlocked(bo->gem);
|
|
return ret;
|
|
}
|
|
|
|
int
|
|
nouveau_display_dumb_destroy(struct drm_file *file_priv, struct drm_device *dev,
|
|
uint32_t handle)
|
|
{
|
|
return drm_gem_handle_delete(file_priv, handle);
|
|
}
|
|
|
|
int
|
|
nouveau_display_dumb_map_offset(struct drm_file *file_priv,
|
|
struct drm_device *dev,
|
|
uint32_t handle, uint64_t *poffset)
|
|
{
|
|
struct drm_gem_object *gem;
|
|
|
|
gem = drm_gem_object_lookup(dev, file_priv, handle);
|
|
if (gem) {
|
|
struct nouveau_bo *bo = gem->driver_private;
|
|
*poffset = bo->bo.addr_space_offset;
|
|
drm_gem_object_unreference_unlocked(gem);
|
|
return 0;
|
|
}
|
|
|
|
return -ENOENT;
|
|
}
|