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Diffstat (limited to 'drivers/gpu/drm/nouveau/nouveau_display.c')
-rw-r--r--drivers/gpu/drm/nouveau/nouveau_display.c838
1 files changed, 838 insertions, 0 deletions
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 <acpi/video.h>
+
+#include <drm/drm_atomic.h>
+#include <drm/drm_atomic_helper.h>
+#include <drm/drm_crtc_helper.h>
+#include <drm/drm_fb_helper.h>
+#include <drm/drm_fourcc.h>
+#include <drm/drm_gem_framebuffer_helper.h>
+#include <drm/drm_probe_helper.h>
+#include <drm/drm_vblank.h>
+
+#include "nouveau_fbcon.h"
+#include "nouveau_crtc.h"
+#include "nouveau_gem.h"
+#include "nouveau_connector.h"
+#include "nv50_display.h"
+
+#include <nvif/class.h>
+#include <nvif/cl0046.h>
+#include <nvif/event.h>
+#include <dispnv50/crc.h>
+
+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;
+}