From 2c3c1048746a4622d8c89a29670120dc8fab93c4 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 20:49:45 +0200 Subject: Adding upstream version 6.1.76. Signed-off-by: Daniel Baumann --- drivers/gpu/drm/nouveau/nouveau_display.c | 838 ++++++++++++++++++++++++++++++ 1 file changed, 838 insertions(+) create mode 100644 drivers/gpu/drm/nouveau/nouveau_display.c (limited to 'drivers/gpu/drm/nouveau/nouveau_display.c') diff --git a/drivers/gpu/drm/nouveau/nouveau_display.c b/drivers/gpu/drm/nouveau/nouveau_display.c new file mode 100644 index 000000000..a2f5df568 --- /dev/null +++ b/drivers/gpu/drm/nouveau/nouveau_display.c @@ -0,0 +1,838 @@ +/* + * 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 + +#include +#include +#include +#include +#include +#include +#include +#include + +#include "nouveau_fbcon.h" +#include "nouveau_crtc.h" +#include "nouveau_gem.h" +#include "nouveau_connector.h" +#include "nv50_display.h" + +#include +#include +#include +#include + +int +nouveau_display_vblank_enable(struct drm_crtc *crtc) +{ + struct nouveau_crtc *nv_crtc; + + nv_crtc = nouveau_crtc(crtc); + nvif_notify_get(&nv_crtc->vblank); + + return 0; +} + +void +nouveau_display_vblank_disable(struct drm_crtc *crtc) +{ + struct nouveau_crtc *nv_crtc; + + nv_crtc = nouveau_crtc(crtc); + nvif_notify_put(&nv_crtc->vblank); +} + +static inline int +calc(int blanks, int blanke, int total, int line) +{ + if (blanke >= blanks) { + if (line >= blanks) + line -= total; + } else { + if (line >= blanks) + line -= total; + line -= blanke + 1; + } + return line; +} + +static bool +nouveau_display_scanoutpos_head(struct drm_crtc *crtc, int *vpos, int *hpos, + ktime_t *stime, ktime_t *etime) +{ + struct { + struct nv04_disp_mthd_v0 base; + struct nv04_disp_scanoutpos_v0 scan; + } args = { + .base.method = NV04_DISP_SCANOUTPOS, + .base.head = nouveau_crtc(crtc)->index, + }; + struct nouveau_display *disp = nouveau_display(crtc->dev); + struct drm_vblank_crtc *vblank = &crtc->dev->vblank[drm_crtc_index(crtc)]; + int retry = 20; + bool ret = false; + + do { + ret = nvif_mthd(&disp->disp.object, 0, &args, sizeof(args)); + if (ret != 0) + return false; + + if (args.scan.vline) { + ret = true; + break; + } + + if (retry) ndelay(vblank->linedur_ns); + } while (retry--); + + *hpos = args.scan.hline; + *vpos = calc(args.scan.vblanks, args.scan.vblanke, + args.scan.vtotal, args.scan.vline); + if (stime) *stime = ns_to_ktime(args.scan.time[0]); + if (etime) *etime = ns_to_ktime(args.scan.time[1]); + + return ret; +} + +bool +nouveau_display_scanoutpos(struct drm_crtc *crtc, + bool in_vblank_irq, int *vpos, int *hpos, + ktime_t *stime, ktime_t *etime, + const struct drm_display_mode *mode) +{ + return nouveau_display_scanoutpos_head(crtc, vpos, hpos, + stime, etime); +} + +static const struct drm_framebuffer_funcs nouveau_framebuffer_funcs = { + .destroy = drm_gem_fb_destroy, + .create_handle = drm_gem_fb_create_handle, +}; + +static void +nouveau_decode_mod(struct nouveau_drm *drm, + uint64_t modifier, + uint32_t *tile_mode, + uint8_t *kind) +{ + struct nouveau_display *disp = nouveau_display(drm->dev); + BUG_ON(!tile_mode || !kind); + + if (modifier == DRM_FORMAT_MOD_LINEAR) { + /* tile_mode will not be used in this case */ + *tile_mode = 0; + *kind = 0; + } else { + /* + * Extract the block height and kind from the corresponding + * modifier fields. See drm_fourcc.h for details. + */ + + if ((modifier & (0xffull << 12)) == 0ull) { + /* Legacy modifier. Translate to this dev's 'kind.' */ + modifier |= disp->format_modifiers[0] & (0xffull << 12); + } + + *tile_mode = (uint32_t)(modifier & 0xF); + *kind = (uint8_t)((modifier >> 12) & 0xFF); + + if (drm->client.device.info.chipset >= 0xc0) + *tile_mode <<= 4; + } +} + +void +nouveau_framebuffer_get_layout(struct drm_framebuffer *fb, + uint32_t *tile_mode, + uint8_t *kind) +{ + if (fb->flags & DRM_MODE_FB_MODIFIERS) { + struct nouveau_drm *drm = nouveau_drm(fb->dev); + + nouveau_decode_mod(drm, fb->modifier, tile_mode, kind); + } else { + const struct nouveau_bo *nvbo = nouveau_gem_object(fb->obj[0]); + + *tile_mode = nvbo->mode; + *kind = nvbo->kind; + } +} + +static const u64 legacy_modifiers[] = { + DRM_FORMAT_MOD_NVIDIA_16BX2_BLOCK(0), + DRM_FORMAT_MOD_NVIDIA_16BX2_BLOCK(1), + DRM_FORMAT_MOD_NVIDIA_16BX2_BLOCK(2), + DRM_FORMAT_MOD_NVIDIA_16BX2_BLOCK(3), + DRM_FORMAT_MOD_NVIDIA_16BX2_BLOCK(4), + DRM_FORMAT_MOD_NVIDIA_16BX2_BLOCK(5), + DRM_FORMAT_MOD_INVALID +}; + +static int +nouveau_validate_decode_mod(struct nouveau_drm *drm, + uint64_t modifier, + uint32_t *tile_mode, + uint8_t *kind) +{ + struct nouveau_display *disp = nouveau_display(drm->dev); + int mod; + + if (drm->client.device.info.family < NV_DEVICE_INFO_V0_TESLA) { + return -EINVAL; + } + + BUG_ON(!disp->format_modifiers); + + for (mod = 0; + (disp->format_modifiers[mod] != DRM_FORMAT_MOD_INVALID) && + (disp->format_modifiers[mod] != modifier); + mod++); + + if (disp->format_modifiers[mod] == DRM_FORMAT_MOD_INVALID) { + for (mod = 0; + (legacy_modifiers[mod] != DRM_FORMAT_MOD_INVALID) && + (legacy_modifiers[mod] != modifier); + mod++); + if (legacy_modifiers[mod] == DRM_FORMAT_MOD_INVALID) + return -EINVAL; + } + + nouveau_decode_mod(drm, modifier, tile_mode, kind); + + return 0; +} + +static inline uint32_t +nouveau_get_width_in_blocks(uint32_t stride) +{ + /* GOBs per block in the x direction is always one, and GOBs are + * 64 bytes wide + */ + static const uint32_t log_block_width = 6; + + return (stride + (1 << log_block_width) - 1) >> log_block_width; +} + +static inline uint32_t +nouveau_get_height_in_blocks(struct nouveau_drm *drm, + uint32_t height, + uint32_t log_block_height_in_gobs) +{ + uint32_t log_gob_height; + uint32_t log_block_height; + + BUG_ON(drm->client.device.info.family < NV_DEVICE_INFO_V0_TESLA); + + if (drm->client.device.info.family < NV_DEVICE_INFO_V0_FERMI) + log_gob_height = 2; + else + log_gob_height = 3; + + log_block_height = log_block_height_in_gobs + log_gob_height; + + return (height + (1 << log_block_height) - 1) >> log_block_height; +} + +static int +nouveau_check_bl_size(struct nouveau_drm *drm, struct nouveau_bo *nvbo, + uint32_t offset, uint32_t stride, uint32_t h, + uint32_t tile_mode) +{ + uint32_t gob_size, bw, bh; + uint64_t bl_size; + + BUG_ON(drm->client.device.info.family < NV_DEVICE_INFO_V0_TESLA); + + if (drm->client.device.info.chipset >= 0xc0) { + if (tile_mode & 0xF) + return -EINVAL; + tile_mode >>= 4; + } + + if (tile_mode & 0xFFFFFFF0) + return -EINVAL; + + if (drm->client.device.info.family < NV_DEVICE_INFO_V0_FERMI) + gob_size = 256; + else + gob_size = 512; + + bw = nouveau_get_width_in_blocks(stride); + bh = nouveau_get_height_in_blocks(drm, h, tile_mode); + + bl_size = bw * bh * (1 << tile_mode) * gob_size; + + DRM_DEBUG_KMS("offset=%u stride=%u h=%u tile_mode=0x%02x bw=%u bh=%u gob_size=%u bl_size=%llu size=%zu\n", + offset, stride, h, tile_mode, bw, bh, gob_size, bl_size, + nvbo->bo.base.size); + + if (bl_size + offset > nvbo->bo.base.size) + return -ERANGE; + + return 0; +} + +int +nouveau_framebuffer_new(struct drm_device *dev, + const struct drm_mode_fb_cmd2 *mode_cmd, + struct drm_gem_object *gem, + struct drm_framebuffer **pfb) +{ + struct nouveau_drm *drm = nouveau_drm(dev); + struct nouveau_bo *nvbo = nouveau_gem_object(gem); + struct drm_framebuffer *fb; + const struct drm_format_info *info; + unsigned int height, i; + uint32_t tile_mode; + uint8_t kind; + int ret; + + /* YUV overlays have special requirements pre-NV50 */ + if (drm->client.device.info.family < NV_DEVICE_INFO_V0_TESLA && + + (mode_cmd->pixel_format == DRM_FORMAT_YUYV || + mode_cmd->pixel_format == DRM_FORMAT_UYVY || + mode_cmd->pixel_format == DRM_FORMAT_NV12 || + mode_cmd->pixel_format == DRM_FORMAT_NV21) && + (mode_cmd->pitches[0] & 0x3f || /* align 64 */ + mode_cmd->pitches[0] >= 0x10000 || /* at most 64k pitch */ + (mode_cmd->pitches[1] && /* pitches for planes must match */ + mode_cmd->pitches[0] != mode_cmd->pitches[1]))) { + DRM_DEBUG_KMS("Unsuitable framebuffer: format: %p4cc; pitches: 0x%x\n 0x%x\n", + &mode_cmd->pixel_format, + mode_cmd->pitches[0], mode_cmd->pitches[1]); + return -EINVAL; + } + + if (mode_cmd->flags & DRM_MODE_FB_MODIFIERS) { + if (nouveau_validate_decode_mod(drm, mode_cmd->modifier[0], + &tile_mode, &kind)) { + DRM_DEBUG_KMS("Unsupported modifier: 0x%llx\n", + mode_cmd->modifier[0]); + return -EINVAL; + } + } else { + tile_mode = nvbo->mode; + kind = nvbo->kind; + } + + info = drm_get_format_info(dev, mode_cmd); + + for (i = 0; i < info->num_planes; i++) { + height = drm_format_info_plane_height(info, + mode_cmd->height, + i); + + if (kind) { + ret = nouveau_check_bl_size(drm, nvbo, + mode_cmd->offsets[i], + mode_cmd->pitches[i], + height, tile_mode); + if (ret) + return ret; + } else { + uint32_t size = mode_cmd->pitches[i] * height; + + if (size + mode_cmd->offsets[i] > nvbo->bo.base.size) + return -ERANGE; + } + } + + if (!(fb = *pfb = kzalloc(sizeof(*fb), GFP_KERNEL))) + return -ENOMEM; + + drm_helper_mode_fill_fb_struct(dev, fb, mode_cmd); + fb->obj[0] = gem; + + ret = drm_framebuffer_init(dev, fb, &nouveau_framebuffer_funcs); + if (ret) + kfree(fb); + return ret; +} + +struct drm_framebuffer * +nouveau_user_framebuffer_create(struct drm_device *dev, + struct drm_file *file_priv, + const struct drm_mode_fb_cmd2 *mode_cmd) +{ + struct drm_framebuffer *fb; + struct drm_gem_object *gem; + int ret; + + gem = drm_gem_object_lookup(file_priv, mode_cmd->handles[0]); + if (!gem) + return ERR_PTR(-ENOENT); + + ret = nouveau_framebuffer_new(dev, mode_cmd, gem, &fb); + if (ret == 0) + return fb; + + drm_gem_object_put(gem); + return ERR_PTR(ret); +} + +static const struct drm_mode_config_funcs nouveau_mode_config_funcs = { + .fb_create = nouveau_user_framebuffer_create, + .output_poll_changed = nouveau_fbcon_output_poll_changed, +}; + + +struct nouveau_drm_prop_enum_list { + u8 gen_mask; + int type; + char *name; +}; + +static struct nouveau_drm_prop_enum_list underscan[] = { + { 6, UNDERSCAN_AUTO, "auto" }, + { 6, UNDERSCAN_OFF, "off" }, + { 6, UNDERSCAN_ON, "on" }, + {} +}; + +static struct nouveau_drm_prop_enum_list dither_mode[] = { + { 7, DITHERING_MODE_AUTO, "auto" }, + { 7, DITHERING_MODE_OFF, "off" }, + { 1, DITHERING_MODE_ON, "on" }, + { 6, DITHERING_MODE_STATIC2X2, "static 2x2" }, + { 6, DITHERING_MODE_DYNAMIC2X2, "dynamic 2x2" }, + { 4, DITHERING_MODE_TEMPORAL, "temporal" }, + {} +}; + +static struct nouveau_drm_prop_enum_list dither_depth[] = { + { 6, DITHERING_DEPTH_AUTO, "auto" }, + { 6, DITHERING_DEPTH_6BPC, "6 bpc" }, + { 6, DITHERING_DEPTH_8BPC, "8 bpc" }, + {} +}; + +#define PROP_ENUM(p,gen,n,list) do { \ + struct nouveau_drm_prop_enum_list *l = (list); \ + int c = 0; \ + while (l->gen_mask) { \ + if (l->gen_mask & (1 << (gen))) \ + c++; \ + l++; \ + } \ + if (c) { \ + p = drm_property_create(dev, DRM_MODE_PROP_ENUM, n, c); \ + l = (list); \ + while (p && l->gen_mask) { \ + if (l->gen_mask & (1 << (gen))) { \ + drm_property_add_enum(p, l->type, l->name); \ + } \ + l++; \ + } \ + } \ +} while(0) + +void +nouveau_display_hpd_resume(struct drm_device *dev) +{ + struct nouveau_drm *drm = nouveau_drm(dev); + + mutex_lock(&drm->hpd_lock); + drm->hpd_pending = ~0; + mutex_unlock(&drm->hpd_lock); + + schedule_work(&drm->hpd_work); +} + +static void +nouveau_display_hpd_work(struct work_struct *work) +{ + struct nouveau_drm *drm = container_of(work, typeof(*drm), hpd_work); + struct drm_device *dev = drm->dev; + struct drm_connector *connector; + struct drm_connector_list_iter conn_iter; + u32 pending; + bool changed = false; + + pm_runtime_get_sync(dev->dev); + + mutex_lock(&drm->hpd_lock); + pending = drm->hpd_pending; + drm->hpd_pending = 0; + mutex_unlock(&drm->hpd_lock); + + /* Nothing to do, exit early without updating the last busy counter */ + if (!pending) + goto noop; + + mutex_lock(&dev->mode_config.mutex); + drm_connector_list_iter_begin(dev, &conn_iter); + + nouveau_for_each_non_mst_connector_iter(connector, &conn_iter) { + enum drm_connector_status old_status = connector->status; + u64 old_epoch_counter = connector->epoch_counter; + + if (!(pending & drm_connector_mask(connector))) + continue; + + connector->status = drm_helper_probe_detect(connector, NULL, + false); + if (old_epoch_counter == connector->epoch_counter) + continue; + + changed = true; + drm_dbg_kms(dev, "[CONNECTOR:%d:%s] status updated from %s to %s (epoch counter %llu->%llu)\n", + connector->base.id, connector->name, + drm_get_connector_status_name(old_status), + drm_get_connector_status_name(connector->status), + old_epoch_counter, connector->epoch_counter); + } + + drm_connector_list_iter_end(&conn_iter); + mutex_unlock(&dev->mode_config.mutex); + + if (changed) + drm_kms_helper_hotplug_event(dev); + + pm_runtime_mark_last_busy(drm->dev->dev); +noop: + pm_runtime_put_autosuspend(dev->dev); +} + +#ifdef CONFIG_ACPI + +static int +nouveau_display_acpi_ntfy(struct notifier_block *nb, unsigned long val, + void *data) +{ + struct nouveau_drm *drm = container_of(nb, typeof(*drm), acpi_nb); + struct acpi_bus_event *info = data; + int ret; + + if (!strcmp(info->device_class, ACPI_VIDEO_CLASS)) { + if (info->type == ACPI_VIDEO_NOTIFY_PROBE) { + ret = pm_runtime_get(drm->dev->dev); + if (ret == 1 || ret == -EACCES) { + /* If the GPU is already awake, or in a state + * where we can't wake it up, it can handle + * it's own hotplug events. + */ + pm_runtime_put_autosuspend(drm->dev->dev); + } else if (ret == 0 || ret == -EINPROGRESS) { + /* We've started resuming the GPU already, so + * it will handle scheduling a full reprobe + * itself + */ + NV_DEBUG(drm, "ACPI requested connector reprobe\n"); + pm_runtime_put_noidle(drm->dev->dev); + } else { + NV_WARN(drm, "Dropped ACPI reprobe event due to RPM error: %d\n", + ret); + } + + /* acpi-video should not generate keypresses for this */ + return NOTIFY_BAD; + } + } + + return NOTIFY_DONE; +} +#endif + +int +nouveau_display_init(struct drm_device *dev, bool resume, bool runtime) +{ + struct nouveau_display *disp = nouveau_display(dev); + struct drm_connector *connector; + struct drm_connector_list_iter conn_iter; + int ret; + + /* + * Enable hotplug interrupts (done as early as possible, since we need + * them for MST) + */ + drm_connector_list_iter_begin(dev, &conn_iter); + nouveau_for_each_non_mst_connector_iter(connector, &conn_iter) { + struct nouveau_connector *conn = nouveau_connector(connector); + nvif_notify_get(&conn->hpd); + } + drm_connector_list_iter_end(&conn_iter); + + ret = disp->init(dev, resume, runtime); + if (ret) + return ret; + + /* enable connector detection and polling for connectors without HPD + * support + */ + drm_kms_helper_poll_enable(dev); + + return ret; +} + +void +nouveau_display_fini(struct drm_device *dev, bool suspend, bool runtime) +{ + struct nouveau_display *disp = nouveau_display(dev); + struct nouveau_drm *drm = nouveau_drm(dev); + struct drm_connector *connector; + struct drm_connector_list_iter conn_iter; + + if (!suspend) { + if (drm_drv_uses_atomic_modeset(dev)) + drm_atomic_helper_shutdown(dev); + else + drm_helper_force_disable_all(dev); + } + + /* disable hotplug interrupts */ + drm_connector_list_iter_begin(dev, &conn_iter); + nouveau_for_each_non_mst_connector_iter(connector, &conn_iter) { + struct nouveau_connector *conn = nouveau_connector(connector); + nvif_notify_put(&conn->hpd); + } + drm_connector_list_iter_end(&conn_iter); + + if (!runtime) + cancel_work_sync(&drm->hpd_work); + + drm_kms_helper_poll_disable(dev); + disp->fini(dev, runtime, suspend); +} + +static void +nouveau_display_create_properties(struct drm_device *dev) +{ + struct nouveau_display *disp = nouveau_display(dev); + int gen; + + if (disp->disp.object.oclass < NV50_DISP) + gen = 0; + else + if (disp->disp.object.oclass < GF110_DISP) + gen = 1; + else + gen = 2; + + PROP_ENUM(disp->dithering_mode, gen, "dithering mode", dither_mode); + PROP_ENUM(disp->dithering_depth, gen, "dithering depth", dither_depth); + PROP_ENUM(disp->underscan_property, gen, "underscan", underscan); + + disp->underscan_hborder_property = + drm_property_create_range(dev, 0, "underscan hborder", 0, 128); + + disp->underscan_vborder_property = + drm_property_create_range(dev, 0, "underscan vborder", 0, 128); + + if (gen < 1) + return; + + /* -90..+90 */ + disp->vibrant_hue_property = + drm_property_create_range(dev, 0, "vibrant hue", 0, 180); + + /* -100..+100 */ + disp->color_vibrance_property = + drm_property_create_range(dev, 0, "color vibrance", 0, 200); +} + +int +nouveau_display_create(struct drm_device *dev) +{ + struct nouveau_drm *drm = nouveau_drm(dev); + struct nvkm_device *device = nvxx_device(&drm->client.device); + struct nouveau_display *disp; + int ret; + + disp = drm->display = kzalloc(sizeof(*disp), GFP_KERNEL); + if (!disp) + return -ENOMEM; + + drm_mode_config_init(dev); + drm_mode_create_scaling_mode_property(dev); + drm_mode_create_dvi_i_properties(dev); + + dev->mode_config.funcs = &nouveau_mode_config_funcs; + dev->mode_config.fb_base = device->func->resource_addr(device, 1); + + dev->mode_config.min_width = 0; + dev->mode_config.min_height = 0; + if (drm->client.device.info.family < NV_DEVICE_INFO_V0_CELSIUS) { + dev->mode_config.max_width = 2048; + dev->mode_config.max_height = 2048; + } else + if (drm->client.device.info.family < NV_DEVICE_INFO_V0_TESLA) { + dev->mode_config.max_width = 4096; + dev->mode_config.max_height = 4096; + } else + if (drm->client.device.info.family < NV_DEVICE_INFO_V0_FERMI) { + dev->mode_config.max_width = 8192; + dev->mode_config.max_height = 8192; + } else { + dev->mode_config.max_width = 16384; + dev->mode_config.max_height = 16384; + } + + dev->mode_config.preferred_depth = 24; + dev->mode_config.prefer_shadow = 1; + + if (drm->client.device.info.chipset < 0x11) + dev->mode_config.async_page_flip = false; + else + dev->mode_config.async_page_flip = true; + + drm_kms_helper_poll_init(dev); + drm_kms_helper_poll_disable(dev); + + if (nouveau_modeset != 2 && drm->vbios.dcb.entries) { + ret = nvif_disp_ctor(&drm->client.device, "kmsDisp", 0, + &disp->disp); + if (ret == 0) { + nouveau_display_create_properties(dev); + if (disp->disp.object.oclass < NV50_DISP) { + dev->mode_config.fb_modifiers_not_supported = true; + ret = nv04_display_create(dev); + } else { + ret = nv50_display_create(dev); + } + } + } else { + ret = 0; + } + + if (ret) + goto disp_create_err; + + drm_mode_config_reset(dev); + + if (dev->mode_config.num_crtc) { + ret = drm_vblank_init(dev, dev->mode_config.num_crtc); + if (ret) + goto vblank_err; + + if (disp->disp.object.oclass >= NV50_DISP) + nv50_crc_init(dev); + } + + INIT_WORK(&drm->hpd_work, nouveau_display_hpd_work); + mutex_init(&drm->hpd_lock); +#ifdef CONFIG_ACPI + drm->acpi_nb.notifier_call = nouveau_display_acpi_ntfy; + register_acpi_notifier(&drm->acpi_nb); +#endif + + return 0; + +vblank_err: + disp->dtor(dev); +disp_create_err: + drm_kms_helper_poll_fini(dev); + drm_mode_config_cleanup(dev); + return ret; +} + +void +nouveau_display_destroy(struct drm_device *dev) +{ + struct nouveau_display *disp = nouveau_display(dev); + struct nouveau_drm *drm = nouveau_drm(dev); + +#ifdef CONFIG_ACPI + unregister_acpi_notifier(&drm->acpi_nb); +#endif + + drm_kms_helper_poll_fini(dev); + drm_mode_config_cleanup(dev); + + if (disp->dtor) + disp->dtor(dev); + + nvif_disp_dtor(&disp->disp); + + nouveau_drm(dev)->display = NULL; + mutex_destroy(&drm->hpd_lock); + kfree(disp); +} + +int +nouveau_display_suspend(struct drm_device *dev, bool runtime) +{ + struct nouveau_display *disp = nouveau_display(dev); + + if (drm_drv_uses_atomic_modeset(dev)) { + if (!runtime) { + disp->suspend = drm_atomic_helper_suspend(dev); + if (IS_ERR(disp->suspend)) { + int ret = PTR_ERR(disp->suspend); + disp->suspend = NULL; + return ret; + } + } + } + + nouveau_display_fini(dev, true, runtime); + return 0; +} + +void +nouveau_display_resume(struct drm_device *dev, bool runtime) +{ + struct nouveau_display *disp = nouveau_display(dev); + + nouveau_display_init(dev, true, runtime); + + if (drm_drv_uses_atomic_modeset(dev)) { + if (disp->suspend) { + drm_atomic_helper_resume(dev, disp->suspend); + disp->suspend = NULL; + } + return; + } +} + +int +nouveau_display_dumb_create(struct drm_file *file_priv, struct drm_device *dev, + struct drm_mode_create_dumb *args) +{ + struct nouveau_cli *cli = nouveau_cli(file_priv); + struct nouveau_bo *bo; + uint32_t domain; + int ret; + + args->pitch = roundup(args->width * (args->bpp / 8), 256); + args->size = args->pitch * args->height; + args->size = roundup(args->size, PAGE_SIZE); + + /* Use VRAM if there is any ; otherwise fallback to system memory */ + if (nouveau_drm(dev)->client.device.info.ram_size != 0) + domain = NOUVEAU_GEM_DOMAIN_VRAM; + else + domain = NOUVEAU_GEM_DOMAIN_GART; + + ret = nouveau_gem_new(cli, args->size, 0, domain, 0, 0, &bo); + if (ret) + return ret; + + ret = drm_gem_handle_create(file_priv, &bo->bo.base, &args->handle); + drm_gem_object_put(&bo->bo.base); + return ret; +} -- cgit v1.2.3