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path: root/drivers/gpu/drm/nouveau/nouveau_display.c
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Diffstat (limited to 'drivers/gpu/drm/nouveau/nouveau_display.c')
-rw-r--r--drivers/gpu/drm/nouveau/nouveau_display.c714
1 files changed, 714 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 0000000..f17dc2a
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nouveau_display.c
@@ -0,0 +1,714 @@
+/*
+ * 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 <drm/drmP.h>
+#include <drm/drm_crtc_helper.h>
+
+#include "nouveau_fbcon.h"
+#include "dispnv04/hw.h"
+#include "nouveau_crtc.h"
+#include "nouveau_dma.h"
+#include "nouveau_gem.h"
+#include "nouveau_connector.h"
+#include "nv50_display.h"
+
+#include "nouveau_fence.h"
+
+#include <subdev/bios/gpio.h>
+#include <subdev/gpio.h>
+#include <engine/disp.h>
+
+#include <core/class.h>
+
+static void
+nouveau_user_framebuffer_destroy(struct drm_framebuffer *drm_fb)
+{
+ struct nouveau_framebuffer *fb = nouveau_framebuffer(drm_fb);
+
+ if (fb->nvbo)
+ drm_gem_object_unreference_unlocked(fb->nvbo->gem);
+
+ drm_framebuffer_cleanup(drm_fb);
+ kfree(fb);
+}
+
+static int
+nouveau_user_framebuffer_create_handle(struct drm_framebuffer *drm_fb,
+ struct drm_file *file_priv,
+ unsigned int *handle)
+{
+ struct nouveau_framebuffer *fb = nouveau_framebuffer(drm_fb);
+
+ return drm_gem_handle_create(file_priv, fb->nvbo->gem, handle);
+}
+
+static const struct drm_framebuffer_funcs nouveau_framebuffer_funcs = {
+ .destroy = nouveau_user_framebuffer_destroy,
+ .create_handle = nouveau_user_framebuffer_create_handle,
+};
+
+int
+nouveau_framebuffer_init(struct drm_device *dev,
+ struct nouveau_framebuffer *nv_fb,
+ struct drm_mode_fb_cmd2 *mode_cmd,
+ struct nouveau_bo *nvbo)
+{
+ struct nouveau_drm *drm = nouveau_drm(dev);
+ struct drm_framebuffer *fb = &nv_fb->base;
+ int ret;
+
+ drm_helper_mode_fill_fb_struct(fb, mode_cmd);
+ nv_fb->nvbo = nvbo;
+
+ if (nv_device(drm->device)->card_type >= NV_50) {
+ u32 tile_flags = nouveau_bo_tile_layout(nvbo);
+ if (tile_flags == 0x7a00 ||
+ tile_flags == 0xfe00)
+ nv_fb->r_dma = NvEvoFB32;
+ else
+ if (tile_flags == 0x7000)
+ nv_fb->r_dma = NvEvoFB16;
+ else
+ nv_fb->r_dma = NvEvoVRAM_LP;
+
+ switch (fb->depth) {
+ case 8: nv_fb->r_format = 0x1e00; break;
+ case 15: nv_fb->r_format = 0xe900; break;
+ case 16: nv_fb->r_format = 0xe800; break;
+ case 24:
+ case 32: nv_fb->r_format = 0xcf00; break;
+ case 30: nv_fb->r_format = 0xd100; break;
+ default:
+ NV_ERROR(drm, "unknown depth %d\n", fb->depth);
+ return -EINVAL;
+ }
+
+ if (nv_device(drm->device)->chipset == 0x50)
+ nv_fb->r_format |= (tile_flags << 8);
+
+ if (!tile_flags) {
+ if (nv_device(drm->device)->card_type < NV_D0)
+ nv_fb->r_pitch = 0x00100000 | fb->pitches[0];
+ else
+ nv_fb->r_pitch = 0x01000000 | fb->pitches[0];
+ } else {
+ u32 mode = nvbo->tile_mode;
+ if (nv_device(drm->device)->card_type >= NV_C0)
+ mode >>= 4;
+ nv_fb->r_pitch = ((fb->pitches[0] / 4) << 4) | mode;
+ }
+ }
+
+ ret = drm_framebuffer_init(dev, fb, &nouveau_framebuffer_funcs);
+ if (ret) {
+ return ret;
+ }
+
+ return 0;
+}
+
+static struct drm_framebuffer *
+nouveau_user_framebuffer_create(struct drm_device *dev,
+ struct drm_file *file_priv,
+ struct drm_mode_fb_cmd2 *mode_cmd)
+{
+ struct nouveau_framebuffer *nouveau_fb;
+ struct drm_gem_object *gem;
+ int ret;
+
+ gem = drm_gem_object_lookup(dev, file_priv, mode_cmd->handles[0]);
+ if (!gem)
+ return ERR_PTR(-ENOENT);
+
+ nouveau_fb = kzalloc(sizeof(struct nouveau_framebuffer), GFP_KERNEL);
+ if (!nouveau_fb)
+ return ERR_PTR(-ENOMEM);
+
+ ret = nouveau_framebuffer_init(dev, nouveau_fb, mode_cmd, nouveau_gem_object(gem));
+ if (ret) {
+ drm_gem_object_unreference(gem);
+ return ERR_PTR(ret);
+ }
+
+ return &nouveau_fb->base;
+}
+
+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); \
+ c = 0; \
+ while (p && l->gen_mask) { \
+ if (l->gen_mask & (1 << (gen))) { \
+ drm_property_add_enum(p, c, l->type, l->name); \
+ c++; \
+ } \
+ l++; \
+ } \
+ } \
+} while(0)
+
+int
+nouveau_display_init(struct drm_device *dev)
+{
+ struct nouveau_drm *drm = nouveau_drm(dev);
+ struct nouveau_display *disp = nouveau_display(dev);
+ struct nouveau_gpio *gpio = nouveau_gpio(drm->device);
+ struct drm_connector *connector;
+ int ret;
+
+ ret = disp->init(dev);
+ if (ret)
+ return ret;
+
+ /* enable polling for external displays */
+ drm_kms_helper_poll_enable(dev);
+
+ /* enable hotplug interrupts */
+ list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
+ struct nouveau_connector *conn = nouveau_connector(connector);
+ if (gpio && conn->hpd.func != DCB_GPIO_UNUSED) {
+ nouveau_event_get(gpio->events, conn->hpd.line,
+ &conn->hpd_func);
+ }
+ }
+
+ return ret;
+}
+
+void
+nouveau_display_fini(struct drm_device *dev)
+{
+ struct nouveau_drm *drm = nouveau_drm(dev);
+ struct nouveau_display *disp = nouveau_display(dev);
+ struct nouveau_gpio *gpio = nouveau_gpio(drm->device);
+ struct drm_connector *connector;
+
+ /* disable hotplug interrupts */
+ list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
+ struct nouveau_connector *conn = nouveau_connector(connector);
+ if (gpio && conn->hpd.func != DCB_GPIO_UNUSED) {
+ nouveau_event_put(gpio->events, conn->hpd.line,
+ &conn->hpd_func);
+ }
+ }
+
+ drm_kms_helper_poll_disable(dev);
+ disp->fini(dev);
+}
+
+int
+nouveau_display_create(struct drm_device *dev)
+{
+ struct nouveau_drm *drm = nouveau_drm(dev);
+ struct nouveau_display *disp;
+ u32 pclass = dev->pdev->class >> 8;
+ int ret, gen;
+
+ 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);
+
+ if (nv_device(drm->device)->card_type < NV_50)
+ gen = 0;
+ else
+ if (nv_device(drm->device)->card_type < NV_D0)
+ 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) {
+ /* -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);
+ }
+
+ dev->mode_config.funcs = &nouveau_mode_config_funcs;
+ dev->mode_config.fb_base = pci_resource_start(dev->pdev, 1);
+
+ dev->mode_config.min_width = 0;
+ dev->mode_config.min_height = 0;
+ if (nv_device(drm->device)->card_type < NV_10) {
+ dev->mode_config.max_width = 2048;
+ dev->mode_config.max_height = 2048;
+ } else
+ if (nv_device(drm->device)->card_type < NV_50) {
+ dev->mode_config.max_width = 4096;
+ dev->mode_config.max_height = 4096;
+ } else {
+ dev->mode_config.max_width = 8192;
+ dev->mode_config.max_height = 8192;
+ }
+
+ dev->mode_config.preferred_depth = 24;
+ dev->mode_config.prefer_shadow = 1;
+
+ drm_kms_helper_poll_init(dev);
+ drm_kms_helper_poll_disable(dev);
+
+ if (nouveau_modeset == 1 ||
+ (nouveau_modeset < 0 && pclass == PCI_CLASS_DISPLAY_VGA)) {
+ if (nv_device(drm->device)->card_type < NV_50)
+ ret = nv04_display_create(dev);
+ else
+ ret = nv50_display_create(dev);
+ if (ret)
+ goto disp_create_err;
+
+ if (dev->mode_config.num_crtc) {
+ ret = drm_vblank_init(dev, dev->mode_config.num_crtc);
+ if (ret)
+ goto vblank_err;
+ }
+
+ nouveau_backlight_init(dev);
+ }
+
+ 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);
+
+ nouveau_backlight_exit(dev);
+ drm_vblank_cleanup(dev);
+
+ drm_kms_helper_poll_fini(dev);
+ drm_mode_config_cleanup(dev);
+
+ if (disp->dtor)
+ disp->dtor(dev);
+
+ nouveau_drm(dev)->display = NULL;
+ kfree(disp);
+}
+
+int
+nouveau_display_suspend(struct drm_device *dev)
+{
+ struct nouveau_drm *drm = nouveau_drm(dev);
+ struct drm_crtc *crtc;
+
+ nouveau_display_fini(dev);
+
+ NV_INFO(drm, "unpinning framebuffer(s)...\n");
+ list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
+ struct nouveau_framebuffer *nouveau_fb;
+
+ nouveau_fb = nouveau_framebuffer(crtc->fb);
+ if (!nouveau_fb || !nouveau_fb->nvbo)
+ continue;
+
+ nouveau_bo_unpin(nouveau_fb->nvbo);
+ }
+
+ list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
+ struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
+
+ nouveau_bo_unmap(nv_crtc->cursor.nvbo);
+ nouveau_bo_unpin(nv_crtc->cursor.nvbo);
+ }
+
+ return 0;
+}
+
+void
+nouveau_display_resume(struct drm_device *dev)
+{
+ struct nouveau_drm *drm = nouveau_drm(dev);
+ struct drm_crtc *crtc;
+ int ret;
+
+ list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
+ struct nouveau_framebuffer *nouveau_fb;
+
+ nouveau_fb = nouveau_framebuffer(crtc->fb);
+ if (!nouveau_fb || !nouveau_fb->nvbo)
+ continue;
+
+ nouveau_bo_pin(nouveau_fb->nvbo, TTM_PL_FLAG_VRAM);
+ }
+
+ list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
+ struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
+
+ ret = nouveau_bo_pin(nv_crtc->cursor.nvbo, TTM_PL_FLAG_VRAM);
+ if (!ret)
+ ret = nouveau_bo_map(nv_crtc->cursor.nvbo);
+ if (ret)
+ NV_ERROR(drm, "Could not pin/map cursor.\n");
+ }
+
+ nouveau_fbcon_set_suspend(dev, 0);
+ nouveau_fbcon_zfill_all(dev);
+
+ nouveau_display_init(dev);
+
+ /* Force CLUT to get re-loaded during modeset */
+ list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
+ struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
+
+ nv_crtc->lut.depth = 0;
+ }
+
+ drm_helper_resume_force_mode(dev);
+
+ list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
+ struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
+ u32 offset = nv_crtc->cursor.nvbo->bo.offset;
+
+ nv_crtc->cursor.set_offset(nv_crtc, offset);
+ nv_crtc->cursor.set_pos(nv_crtc, nv_crtc->cursor_saved_x,
+ nv_crtc->cursor_saved_y);
+ }
+}
+
+static int
+nouveau_page_flip_reserve(struct nouveau_bo *old_bo,
+ struct nouveau_bo *new_bo)
+{
+ int ret;
+
+ ret = nouveau_bo_pin(new_bo, TTM_PL_FLAG_VRAM);
+ if (ret)
+ return ret;
+
+ ret = ttm_bo_reserve(&new_bo->bo, false, false, false, 0);
+ if (ret)
+ goto fail;
+
+ if (likely(old_bo != new_bo)) {
+ ret = ttm_bo_reserve(&old_bo->bo, false, false, false, 0);
+ if (ret)
+ goto fail_unreserve;
+ }
+
+ return 0;
+
+fail_unreserve:
+ ttm_bo_unreserve(&new_bo->bo);
+fail:
+ nouveau_bo_unpin(new_bo);
+ return ret;
+}
+
+static void
+nouveau_page_flip_unreserve(struct nouveau_bo *old_bo,
+ struct nouveau_bo *new_bo,
+ struct nouveau_fence *fence)
+{
+ nouveau_bo_fence(new_bo, fence);
+ ttm_bo_unreserve(&new_bo->bo);
+
+ if (likely(old_bo != new_bo)) {
+ nouveau_bo_fence(old_bo, fence);
+ ttm_bo_unreserve(&old_bo->bo);
+ }
+
+ nouveau_bo_unpin(old_bo);
+}
+
+static int
+nouveau_page_flip_emit(struct nouveau_channel *chan,
+ struct nouveau_bo *old_bo,
+ struct nouveau_bo *new_bo,
+ struct nouveau_page_flip_state *s,
+ struct nouveau_fence **pfence)
+{
+ struct nouveau_fence_chan *fctx = chan->fence;
+ struct nouveau_drm *drm = chan->drm;
+ struct drm_device *dev = drm->dev;
+ unsigned long flags;
+ int ret;
+
+ /* Queue it to the pending list */
+ spin_lock_irqsave(&dev->event_lock, flags);
+ list_add_tail(&s->head, &fctx->flip);
+ spin_unlock_irqrestore(&dev->event_lock, flags);
+
+ /* Synchronize with the old framebuffer */
+ ret = nouveau_fence_sync(old_bo->bo.sync_obj, chan);
+ if (ret)
+ goto fail;
+
+ /* Emit the pageflip */
+ ret = RING_SPACE(chan, 3);
+ if (ret)
+ goto fail;
+
+ if (nv_device(drm->device)->card_type < NV_C0) {
+ BEGIN_NV04(chan, NvSubSw, NV_SW_PAGE_FLIP, 1);
+ OUT_RING (chan, 0x00000000);
+ OUT_RING (chan, 0x00000000);
+ } else {
+ BEGIN_NVC0(chan, 0, NV10_SUBCHAN_REF_CNT, 1);
+ OUT_RING (chan, 0);
+ BEGIN_IMC0(chan, 0, NVSW_SUBCHAN_PAGE_FLIP, 0x0000);
+ }
+ FIRE_RING (chan);
+
+ ret = nouveau_fence_new(chan, false, pfence);
+ if (ret)
+ goto fail;
+
+ return 0;
+fail:
+ spin_lock_irqsave(&dev->event_lock, flags);
+ list_del(&s->head);
+ spin_unlock_irqrestore(&dev->event_lock, flags);
+ return ret;
+}
+
+int
+nouveau_crtc_page_flip(struct drm_crtc *crtc, struct drm_framebuffer *fb,
+ struct drm_pending_vblank_event *event)
+{
+ struct drm_device *dev = crtc->dev;
+ struct nouveau_drm *drm = nouveau_drm(dev);
+ struct nouveau_bo *old_bo = nouveau_framebuffer(crtc->fb)->nvbo;
+ struct nouveau_bo *new_bo = nouveau_framebuffer(fb)->nvbo;
+ struct nouveau_page_flip_state *s;
+ struct nouveau_channel *chan = NULL;
+ struct nouveau_fence *fence;
+ int ret;
+
+ if (!drm->channel)
+ return -ENODEV;
+
+ s = kzalloc(sizeof(*s), GFP_KERNEL);
+ if (!s)
+ return -ENOMEM;
+
+ /* Don't let the buffers go away while we flip */
+ ret = nouveau_page_flip_reserve(old_bo, new_bo);
+ if (ret)
+ goto fail_free;
+
+ /* Initialize a page flip struct */
+ *s = (struct nouveau_page_flip_state)
+ { { }, event, nouveau_crtc(crtc)->index,
+ fb->bits_per_pixel, fb->pitches[0], crtc->x, crtc->y,
+ new_bo->bo.offset };
+
+ /* Choose the channel the flip will be handled in */
+ fence = new_bo->bo.sync_obj;
+ if (fence)
+ chan = fence->channel;
+ if (!chan)
+ chan = drm->channel;
+ mutex_lock(&chan->cli->mutex);
+
+ /* Emit a page flip */
+ if (nv_device(drm->device)->card_type >= NV_50) {
+ ret = nv50_display_flip_next(crtc, fb, chan, 0);
+ if (ret) {
+ mutex_unlock(&chan->cli->mutex);
+ goto fail_unreserve;
+ }
+ }
+
+ ret = nouveau_page_flip_emit(chan, old_bo, new_bo, s, &fence);
+ mutex_unlock(&chan->cli->mutex);
+ 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 nouveau_fence_chan *fctx = chan->fence;
+ struct nouveau_drm *drm = chan->drm;
+ struct drm_device *dev = drm->dev;
+ struct nouveau_page_flip_state *s;
+ unsigned long flags;
+
+ spin_lock_irqsave(&dev->event_lock, flags);
+
+ if (list_empty(&fctx->flip)) {
+ NV_ERROR(drm, "unexpected pageflip\n");
+ spin_unlock_irqrestore(&dev->event_lock, flags);
+ return -EINVAL;
+ }
+
+ s = list_first_entry(&fctx->flip, struct nouveau_page_flip_state, head);
+ if (s->event)
+ drm_send_vblank_event(dev, -1, s->event);
+
+ list_del(&s->head);
+ if (ps)
+ *ps = *s;
+ kfree(s);
+
+ spin_unlock_irqrestore(&dev->event_lock, flags);
+ return 0;
+}
+
+int
+nouveau_flip_complete(void *data)
+{
+ struct nouveau_channel *chan = data;
+ struct nouveau_drm *drm = chan->drm;
+ struct nouveau_page_flip_state state;
+
+ if (!nouveau_finish_page_flip(chan, &state)) {
+ if (nv_device(drm->device)->card_type < NV_50) {
+ nv_set_crtc_base(drm->dev, state.crtc, state.offset +
+ state.y * state.pitch +
+ state.x * state.bpp / 8);
+ }
+ }
+
+ 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, NOUVEAU_GEM_DOMAIN_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;
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-02 12:32:23 +0000