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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
commit2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch)
tree848558de17fb3008cdf4d861b01ac7781903ce39 /drivers/gpu/drm/nouveau/dispnv04/disp.c
parentInitial commit. (diff)
downloadlinux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz
linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip
Adding upstream version 6.1.76.upstream/6.1.76
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/gpu/drm/nouveau/dispnv04/disp.c')
-rw-r--r--drivers/gpu/drm/nouveau/dispnv04/disp.c309
1 files changed, 309 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/dispnv04/disp.c b/drivers/gpu/drm/nouveau/dispnv04/disp.c
new file mode 100644
index 000000000..99fee4d8c
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/dispnv04/disp.c
@@ -0,0 +1,309 @@
+/*
+ * Copyright 2009 Red Hat Inc.
+ *
+ * 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 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 HOLDER(S) OR AUTHOR(S) 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.
+ *
+ * Author: Ben Skeggs
+ */
+
+#include <drm/drm_crtc_helper.h>
+
+#include "nouveau_drv.h"
+#include "nouveau_reg.h"
+#include "hw.h"
+#include "nouveau_encoder.h"
+#include "nouveau_connector.h"
+#include "nouveau_bo.h"
+#include "nouveau_gem.h"
+#include "nouveau_chan.h"
+
+#include <nvif/if0004.h>
+
+struct nouveau_connector *
+nv04_encoder_get_connector(struct nouveau_encoder *encoder)
+{
+ struct drm_device *dev = to_drm_encoder(encoder)->dev;
+ struct drm_connector *connector;
+ struct drm_connector_list_iter conn_iter;
+ struct nouveau_connector *nv_connector = NULL;
+
+ drm_connector_list_iter_begin(dev, &conn_iter);
+ drm_for_each_connector_iter(connector, &conn_iter) {
+ if (connector->encoder == to_drm_encoder(encoder))
+ nv_connector = nouveau_connector(connector);
+ }
+ drm_connector_list_iter_end(&conn_iter);
+
+ return nv_connector;
+}
+
+static void
+nv04_display_fini(struct drm_device *dev, bool runtime, bool suspend)
+{
+ struct nouveau_drm *drm = nouveau_drm(dev);
+ struct nv04_display *disp = nv04_display(dev);
+ struct drm_crtc *crtc;
+
+ /* Disable flip completion events. */
+ nvif_notify_put(&disp->flip);
+
+ /* Disable vblank interrupts. */
+ NVWriteCRTC(dev, 0, NV_PCRTC_INTR_EN_0, 0);
+ if (nv_two_heads(dev))
+ NVWriteCRTC(dev, 1, NV_PCRTC_INTR_EN_0, 0);
+
+ if (!runtime)
+ cancel_work_sync(&drm->hpd_work);
+
+ if (!suspend)
+ return;
+
+ /* Un-pin FB and cursors so they'll be evicted to system memory. */
+ list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
+ struct drm_framebuffer *fb = crtc->primary->fb;
+ struct nouveau_bo *nvbo;
+
+ if (!fb || !fb->obj[0])
+ continue;
+ nvbo = nouveau_gem_object(fb->obj[0]);
+ nouveau_bo_unpin(nvbo);
+ }
+
+ list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
+ struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
+ if (nv_crtc->cursor.nvbo) {
+ if (nv_crtc->cursor.set_offset)
+ nouveau_bo_unmap(nv_crtc->cursor.nvbo);
+ nouveau_bo_unpin(nv_crtc->cursor.nvbo);
+ }
+ }
+}
+
+static int
+nv04_display_init(struct drm_device *dev, bool resume, bool runtime)
+{
+ struct nv04_display *disp = nv04_display(dev);
+ struct nouveau_drm *drm = nouveau_drm(dev);
+ struct nouveau_encoder *encoder;
+ struct drm_crtc *crtc;
+ int ret;
+
+ /* meh.. modeset apparently doesn't setup all the regs and depends
+ * on pre-existing state, for now load the state of the card *before*
+ * nouveau was loaded, and then do a modeset.
+ *
+ * best thing to do probably is to make save/restore routines not
+ * save/restore "pre-load" state, but more general so we can save
+ * on suspend too.
+ */
+ list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
+ struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
+ nv_crtc->save(&nv_crtc->base);
+ }
+
+ list_for_each_entry(encoder, &dev->mode_config.encoder_list, base.base.head)
+ encoder->enc_save(&encoder->base.base);
+
+ /* Enable flip completion events. */
+ nvif_notify_get(&disp->flip);
+
+ if (!resume)
+ return 0;
+
+ /* Re-pin FB/cursors. */
+ list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
+ struct drm_framebuffer *fb = crtc->primary->fb;
+ struct nouveau_bo *nvbo;
+
+ if (!fb || !fb->obj[0])
+ continue;
+ nvbo = nouveau_gem_object(fb->obj[0]);
+ ret = nouveau_bo_pin(nvbo, NOUVEAU_GEM_DOMAIN_VRAM, true);
+ if (ret)
+ NV_ERROR(drm, "Could not pin framebuffer\n");
+ }
+
+ list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
+ struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
+ if (!nv_crtc->cursor.nvbo)
+ continue;
+
+ ret = nouveau_bo_pin(nv_crtc->cursor.nvbo,
+ NOUVEAU_GEM_DOMAIN_VRAM, true);
+ if (!ret && nv_crtc->cursor.set_offset)
+ ret = nouveau_bo_map(nv_crtc->cursor.nvbo);
+ if (ret)
+ NV_ERROR(drm, "Could not pin/map cursor.\n");
+ }
+
+ /* 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;
+ }
+
+ /* This should ensure we don't hit a locking problem when someone
+ * wakes us up via a connector. We should never go into suspend
+ * while the display is on anyways.
+ */
+ if (runtime)
+ return 0;
+
+ /* Restore mode. */
+ 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);
+
+ if (!nv_crtc->cursor.nvbo)
+ continue;
+
+ if (nv_crtc->cursor.set_offset)
+ nv_crtc->cursor.set_offset(nv_crtc,
+ nv_crtc->cursor.nvbo->offset);
+ nv_crtc->cursor.set_pos(nv_crtc, nv_crtc->cursor_saved_x,
+ nv_crtc->cursor_saved_y);
+ }
+
+ return 0;
+}
+
+static void
+nv04_display_destroy(struct drm_device *dev)
+{
+ struct nv04_display *disp = nv04_display(dev);
+ struct nouveau_drm *drm = nouveau_drm(dev);
+ struct nouveau_encoder *encoder;
+ struct nouveau_crtc *nv_crtc;
+
+ /* Restore state */
+ list_for_each_entry(encoder, &dev->mode_config.encoder_list, base.base.head)
+ encoder->enc_restore(&encoder->base.base);
+
+ list_for_each_entry(nv_crtc, &dev->mode_config.crtc_list, base.head)
+ nv_crtc->restore(&nv_crtc->base);
+
+ nouveau_hw_save_vga_fonts(dev, 0);
+
+ nvif_notify_dtor(&disp->flip);
+
+ nouveau_display(dev)->priv = NULL;
+ vfree(disp);
+
+ nvif_object_unmap(&drm->client.device.object);
+}
+
+int
+nv04_display_create(struct drm_device *dev)
+{
+ struct nouveau_drm *drm = nouveau_drm(dev);
+ struct nvkm_i2c *i2c = nvxx_i2c(&drm->client.device);
+ struct dcb_table *dcb = &drm->vbios.dcb;
+ struct drm_connector *connector, *ct;
+ struct drm_encoder *encoder;
+ struct nouveau_encoder *nv_encoder;
+ struct nouveau_crtc *crtc;
+ struct nv04_display *disp;
+ int i, ret;
+
+ disp = vzalloc(sizeof(*disp));
+ if (!disp)
+ return -ENOMEM;
+
+ nvif_object_map(&drm->client.device.object, NULL, 0);
+
+ nouveau_display(dev)->priv = disp;
+ nouveau_display(dev)->dtor = nv04_display_destroy;
+ nouveau_display(dev)->init = nv04_display_init;
+ nouveau_display(dev)->fini = nv04_display_fini;
+
+ /* Pre-nv50 doesn't support atomic, so don't expose the ioctls */
+ dev->driver_features &= ~DRIVER_ATOMIC;
+
+ /* Request page flip completion event. */
+ if (drm->channel) {
+ nvif_notify_ctor(&drm->channel->nvsw, "kmsFlip", nv04_flip_complete,
+ false, NV04_NVSW_NTFY_UEVENT,
+ NULL, 0, 0, &disp->flip);
+ }
+
+ nouveau_hw_save_vga_fonts(dev, 1);
+
+ nv04_crtc_create(dev, 0);
+ if (nv_two_heads(dev))
+ nv04_crtc_create(dev, 1);
+
+ for (i = 0; i < dcb->entries; i++) {
+ struct dcb_output *dcbent = &dcb->entry[i];
+
+ connector = nouveau_connector_create(dev, dcbent);
+ if (IS_ERR(connector))
+ continue;
+
+ switch (dcbent->type) {
+ case DCB_OUTPUT_ANALOG:
+ ret = nv04_dac_create(connector, dcbent);
+ break;
+ case DCB_OUTPUT_LVDS:
+ case DCB_OUTPUT_TMDS:
+ ret = nv04_dfp_create(connector, dcbent);
+ break;
+ case DCB_OUTPUT_TV:
+ if (dcbent->location == DCB_LOC_ON_CHIP)
+ ret = nv17_tv_create(connector, dcbent);
+ else
+ ret = nv04_tv_create(connector, dcbent);
+ break;
+ default:
+ NV_WARN(drm, "DCB type %d not known\n", dcbent->type);
+ continue;
+ }
+
+ if (ret)
+ continue;
+ }
+
+ list_for_each_entry_safe(connector, ct,
+ &dev->mode_config.connector_list, head) {
+ if (!connector->possible_encoders) {
+ NV_WARN(drm, "%s has no encoders, removing\n",
+ connector->name);
+ connector->funcs->destroy(connector);
+ }
+ }
+
+ list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
+ struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder);
+ struct nvkm_i2c_bus *bus =
+ nvkm_i2c_bus_find(i2c, nv_encoder->dcb->i2c_index);
+ nv_encoder->i2c = bus ? &bus->i2c : NULL;
+ }
+
+ /* Save previous state */
+ list_for_each_entry(crtc, &dev->mode_config.crtc_list, base.head)
+ crtc->save(&crtc->base);
+
+ list_for_each_entry(nv_encoder, &dev->mode_config.encoder_list, base.base.head)
+ nv_encoder->enc_save(&nv_encoder->base.base);
+
+ nouveau_overlay_init(dev);
+
+ return 0;
+}