1 files changed, 192 insertions, 60 deletions

diff --git a/drivers/gpu/drm/nouveau/dispnv04/disp.c b/drivers/gpu/drm/nouveau/dispnv04/disp.c
index 5b9d549aa791..f71199a39bc4 100644
--- a/drivers/gpu/drm/nouveau/dispnv04/disp.c
+++ b/drivers/gpu/drm/nouveau/dispnv04/disp.c
@@ -22,7 +22,6 @@
  * Author: Ben Skeggs
  */
 
-#include <drm/drmP.h>
 #include <drm/drm_crtc_helper.h>
 
 #include "nouveau_drv.h"
@@ -30,12 +29,189 @@
 #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 && !drm->headless)
+		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_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);
+}
 
 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 nvkm_i2c *i2c = nvxx_i2c(drm);
 	struct dcb_table *dcb = &drm->vbios.dcb;
 	struct drm_connector *connector, *ct;
 	struct drm_encoder *encoder;
@@ -44,17 +220,28 @@ nv04_display_create(struct drm_device *dev)
 	struct nv04_display *disp;
 	int i, ret;
 
-	disp = kzalloc(sizeof(*disp), GFP_KERNEL);
+	disp = vzalloc(sizeof(*disp));
 	if (!disp)
 		return -ENOMEM;
 
-	nvif_object_map(&drm->client.device.object);
+	disp->drm = drm;
 
 	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);
@@ -93,7 +280,7 @@ nv04_display_create(struct drm_device *dev)
 
 	list_for_each_entry_safe(connector, ct,
 				 &dev->mode_config.connector_list, head) {
-		if (!connector->encoder_ids[0]) {
+		if (!connector->possible_encoders) {
 			NV_WARN(drm, "%s has no encoders, removing\n",
 				connector->name);
 			connector->funcs->destroy(connector);
@@ -118,58 +305,3 @@ nv04_display_create(struct drm_device *dev)
 
 	return 0;
 }
-
-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);
-
-	nouveau_display(dev)->priv = NULL;
-	kfree(disp);
-
-	nvif_object_unmap(&drm->client.device.object);
-}
-
-int
-nv04_display_init(struct drm_device *dev)
-{
-	struct nouveau_encoder *encoder;
-	struct nouveau_crtc *crtc;
-
-	/* 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, base.head)
-		crtc->save(&crtc->base);
-
-	list_for_each_entry(encoder, &dev->mode_config.encoder_list, base.base.head)
-		encoder->enc_save(&encoder->base.base);
-
-	return 0;
-}
-
-void
-nv04_display_fini(struct drm_device *dev)
-{
-	/* 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);
-}