Adding upstream version 6.6.15.upstream/6.6.15

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 312 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..e9ac3fb27
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/dispnv04/disp.c
@@ -0,0 +1,312 @@
+/*
+ * 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_event_block(&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_event_allow(&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_event_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;
+
+	disp->drm = drm;
+
+	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) {
+		ret = nvif_event_ctor(&drm->channel->nvsw, "kmsFlip", 0, nv04_flip_complete,
+				      true, NULL, 0, &disp->flip);
+		if (ret)
+			return ret;
+	}
+
+	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;
+}