Merge remote branch 'nouveau/for-airlied' of ../drm-nouveau-next into…

… drm-linus

* 'nouveau/for-airlied' of ../drm-nouveau-next:
  drm/nv50: prevent switching off SOR when in use for DVI-over-DP
  drm/nv50: fail auxch transaction if reply count not what we expect
  drm/nouveau: fix failure path if userspace specifies no valid memtypes
  drm/nouveau: report LVDS as disconnected if lid closed
  drm/nv50: prevent accidently turning off encoders we're actually using
  drm/nv50: fix alignment of per-channel fifo cache
  drm/nouveau: Evict buffers in VRAM before freeing sgdma
  drm/nouveau: Acknowledge DMA_VTX_PROTECTION PGRAPH interrupts
  drm/nouveau: fix thinko in nv04_instmem.c
  drm/nouveau: fix a race condition in nouveau_dma_wait()

drivers/gpu/drm/nouveau/nouveau_connector.c

@@ -24,9 +24,12 @@
  *
  */
 
+#include <acpi/button.h>
+
 #include "drmP.h"
 #include "drm_edid.h"
 #include "drm_crtc_helper.h"
+
 #include "nouveau_reg.h"
 #include "nouveau_drv.h"
 #include "nouveau_encoder.h"
@@ -235,6 +238,10 @@ nouveau_connector_detect(struct drm_connector *connector)
 	if (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)
 		nv_encoder = find_encoder_by_type(connector, OUTPUT_LVDS);
 	if (nv_encoder && nv_connector->native_mode) {
+#ifdef CONFIG_ACPI
+		if (!nouveau_ignorelid && !acpi_lid_open())
+			return connector_status_disconnected;
+#endif
 		nouveau_connector_set_encoder(connector, nv_encoder);
 		return connector_status_connected;
 	}

drivers/gpu/drm/nouveau/nouveau_dma.c

@@ -126,47 +126,52 @@ OUT_RINGp(struct nouveau_channel *chan, const void *data, unsigned nr_dwords)
 	chan->dma.cur += nr_dwords;
 }
 
-static inline bool
-READ_GET(struct nouveau_channel *chan, uint32_t *get)
+/* Fetch and adjust GPU GET pointer
+ *
+ * Returns:
+ *  value >= 0, the adjusted GET pointer
+ *  -EINVAL if GET pointer currently outside main push buffer
+ *  -EBUSY if timeout exceeded
+ */
+static inline int
+READ_GET(struct nouveau_channel *chan, uint32_t *prev_get, uint32_t *timeout)
 {
 	uint32_t val;
 
 	val = nvchan_rd32(chan, chan->user_get);
-	if (val < chan->pushbuf_base ||
-	    val > chan->pushbuf_base + (chan->dma.max << 2)) {
-		/* meaningless to dma_wait() except to know whether the
-		 * GPU has stalled or not
-		 */
-		*get = val;
-		return false;
+
+	/* reset counter as long as GET is still advancing, this is
+	 * to avoid misdetecting a GPU lockup if the GPU happens to
+	 * just be processing an operation that takes a long time
+	 */
+	if (val != *prev_get) {
+		*prev_get = val;
+		*timeout = 0;
+	}
+
+	if ((++*timeout & 0xff) == 0) {
+		DRM_UDELAY(1);
+		if (*timeout > 100000)
+			return -EBUSY;
 	}
 
-	*get = (val - chan->pushbuf_base) >> 2;
-	return true;
+	if (val < chan->pushbuf_base ||
+	    val > chan->pushbuf_base + (chan->dma.max << 2))
+		return -EINVAL;
+
+	return (val - chan->pushbuf_base) >> 2;
 }
 
 int
 nouveau_dma_wait(struct nouveau_channel *chan, int size)
 {
-	uint32_t get, prev_get = 0, cnt = 0;
-	bool get_valid;
+	uint32_t prev_get = 0, cnt = 0;
+	int get;
 
 	while (chan->dma.free < size) {
-		/* reset counter as long as GET is still advancing, this is
-		 * to avoid misdetecting a GPU lockup if the GPU happens to
-		 * just be processing an operation that takes a long time
-		 */
-		get_valid = READ_GET(chan, &get);
-		if (get != prev_get) {
-			prev_get = get;
-			cnt = 0;
-		}
-
-		if ((++cnt & 0xff) == 0) {
-			DRM_UDELAY(1);
-			if (cnt > 100000)
-				return -EBUSY;
-		}
+		get = READ_GET(chan, &prev_get, &cnt);
+		if (unlikely(get == -EBUSY))
+			return -EBUSY;
 
 		/* loop until we have a usable GET pointer.  the value
 		 * we read from the GPU may be outside the main ring if
@@ -177,7 +182,7 @@ nouveau_dma_wait(struct nouveau_channel *chan, int size)
 		 * from the SKIPS area, so the code below doesn't have to deal
 		 * with some fun corner cases.
 		 */
-		if (!get_valid || get < NOUVEAU_DMA_SKIPS)
+		if (unlikely(get == -EINVAL) || get < NOUVEAU_DMA_SKIPS)
 			continue;
 
 		if (get <= chan->dma.cur) {
@@ -203,6 +208,19 @@ nouveau_dma_wait(struct nouveau_channel *chan, int size)
 			 * after processing the currently pending commands.
 			 */
 			OUT_RING(chan, chan->pushbuf_base | 0x20000000);
+
+			/* wait for GET to depart from the skips area.
+			 * prevents writing GET==PUT and causing a race
+			 * condition that causes us to think the GPU is
+			 * idle when it's not.
+			 */
+			do {
+				get = READ_GET(chan, &prev_get, &cnt);
+				if (unlikely(get == -EBUSY))
+					return -EBUSY;
+				if (unlikely(get == -EINVAL))
+					continue;
+			} while (get <= NOUVEAU_DMA_SKIPS);
 			WRITE_PUT(NOUVEAU_DMA_SKIPS);
 
 			/* we're now submitting commands at the start of

drivers/gpu/drm/nouveau/nouveau_dp.c

@@ -490,7 +490,8 @@ nouveau_dp_auxch(struct nouveau_i2c_chan *auxch, int cmd, int addr,
 		if (!nv_wait(NV50_AUXCH_CTRL(index), 0x00010000, 0x00000000)) {
 			NV_ERROR(dev, "expected bit 16 == 0, got 0x%08x\n",
 				 nv_rd32(dev, NV50_AUXCH_CTRL(index)));
-			return -EBUSY;
+			ret = -EBUSY;
+			goto out;
 		}
 
 		udelay(400);
@@ -501,6 +502,11 @@ nouveau_dp_auxch(struct nouveau_i2c_chan *auxch, int cmd, int addr,
 			break;
 	}
 
+	if ((stat & NV50_AUXCH_STAT_COUNT) != data_nr) {
+		ret = -EREMOTEIO;
+		goto out;
+	}
+
 	if (cmd & 1) {
 		for (i = 0; i < 4; i++) {
 			data32[i] = nv_rd32(dev, NV50_AUXCH_DATA_IN(index, i));

drivers/gpu/drm/nouveau/nouveau_drv.c

@@ -71,6 +71,10 @@ MODULE_PARM_DESC(uscript_tmds, "TMDS output script table ID (>=GeForce 8)");
 int nouveau_uscript_tmds = -1;
 module_param_named(uscript_tmds, nouveau_uscript_tmds, int, 0400);
 
+MODULE_PARM_DESC(ignorelid, "Ignore ACPI lid status");
+int nouveau_ignorelid = 0;
+module_param_named(ignorelid, nouveau_ignorelid, int, 0400);
+
 MODULE_PARM_DESC(tv_norm, "Default TV norm.\n"
 		 "\t\tSupported: PAL, PAL-M, PAL-N, PAL-Nc, NTSC-M, NTSC-J,\n"
 		 "\t\t\thd480i, hd480p, hd576i, hd576p, hd720p, hd1080i.\n"

drivers/gpu/drm/nouveau/nouveau_drv.h

@@ -677,6 +677,7 @@ extern char *nouveau_tv_norm;
 extern int nouveau_reg_debug;
 extern char *nouveau_vbios;
 extern int nouveau_ctxfw;
+extern int nouveau_ignorelid;
 
 /* nouveau_state.c */
 extern void nouveau_preclose(struct drm_device *dev, struct drm_file *);

drivers/gpu/drm/nouveau/nouveau_gem.c

@@ -321,6 +321,7 @@ validate_init(struct nouveau_channel *chan, struct drm_file *file_priv,
 		else {
 			NV_ERROR(dev, "invalid valid domains: 0x%08x\n",
 				 b->valid_domains);
+			list_add_tail(&nvbo->entry, &op->both_list);
 			validate_fini(op, NULL);
 			return -EINVAL;
 		}

drivers/gpu/drm/nouveau/nouveau_irq.c

@@ -483,6 +483,13 @@ nouveau_pgraph_intr_error(struct drm_device *dev, uint32_t nsource)
 	if (nsource & NV03_PGRAPH_NSOURCE_ILLEGAL_MTHD) {
 		if (nouveau_pgraph_intr_swmthd(dev, &trap))
 			unhandled = 1;
+	} else if (nsource & NV03_PGRAPH_NSOURCE_DMA_VTX_PROTECTION) {
+		uint32_t v = nv_rd32(dev, 0x402000);
+		nv_wr32(dev, 0x402000, v);
+
+		/* dump the error anyway for now: it's useful for
+		   Gallium development */
+		unhandled = 1;
 	} else {
 		unhandled = 1;
 	}

drivers/gpu/drm/nouveau/nouveau_mem.c

@@ -386,7 +386,6 @@ void nouveau_mem_close(struct drm_device *dev)
 	nouveau_bo_unpin(dev_priv->vga_ram);
 	nouveau_bo_ref(NULL, &dev_priv->vga_ram);
 
-	ttm_bo_clean_mm(&dev_priv->ttm.bdev, TTM_PL_VRAM);
 	ttm_bo_device_release(&dev_priv->ttm.bdev);
 
 	nouveau_ttm_global_release(dev_priv);

drivers/gpu/drm/nouveau/nouveau_state.c

@@ -525,6 +525,7 @@ static void nouveau_card_takedown(struct drm_device *dev)
 		engine->mc.takedown(dev);
 
 		mutex_lock(&dev->struct_mutex);
+		ttm_bo_clean_mm(&dev_priv->ttm.bdev, TTM_PL_VRAM);
 		ttm_bo_clean_mm(&dev_priv->ttm.bdev, TTM_PL_TT);
 		mutex_unlock(&dev->struct_mutex);
 		nouveau_sgdma_takedown(dev);

drivers/gpu/drm/nouveau/nv04_instmem.c

@@ -30,7 +30,7 @@ nv04_instmem_determine_amount(struct drm_device *dev)
 		 * of vram.  For now, only reserve a small piece until we know
 		 * more about what each chipset requires.
 		 */
-		switch (dev_priv->chipset & 0xf0) {
+		switch (dev_priv->chipset) {
 		case 0x40:
 		case 0x47:
 		case 0x49:

drivers/gpu/drm/nouveau/nv50_crtc.c

@@ -432,16 +432,36 @@ nv50_crtc_prepare(struct drm_crtc *crtc)
 	struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
 	struct drm_device *dev = crtc->dev;
 	struct drm_encoder *encoder;
+	uint32_t dac = 0, sor = 0;
 
 	NV_DEBUG_KMS(dev, "index %d\n", nv_crtc->index);
 
 	/* Disconnect all unused encoders. */
 	list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
 		struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder);
 
-		if (drm_helper_encoder_in_use(encoder))
+		if (!drm_helper_encoder_in_use(encoder))
 			continue;
 
+		if (nv_encoder->dcb->type == OUTPUT_ANALOG ||
+		    nv_encoder->dcb->type == OUTPUT_TV)
+			dac |= (1 << nv_encoder->or);
+		else
+			sor |= (1 << nv_encoder->or);
+	}
+
+	list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
+		struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder);
+
+		if (nv_encoder->dcb->type == OUTPUT_ANALOG ||
+		    nv_encoder->dcb->type == OUTPUT_TV) {
+			if (dac & (1 << nv_encoder->or))
+				continue;
+		} else {
+			if (sor & (1 << nv_encoder->or))
+				continue;
+		}
+
 		nv_encoder->disconnect(nv_encoder);
 	}
 

drivers/gpu/drm/nouveau/nv50_fifo.c

@@ -272,7 +272,7 @@ nv50_fifo_create_context(struct nouveau_channel *chan)
 			return ret;
 		ramfc = chan->ramfc->gpuobj;
 
-		ret = nouveau_gpuobj_new_ref(dev, chan, NULL, 0, 4096, 256,
+		ret = nouveau_gpuobj_new_ref(dev, chan, NULL, 0, 4096, 1024,
 					     0, &chan->cache);
 		if (ret)
 			return ret;

drivers/gpu/drm/nouveau/nv50_sor.c

@@ -90,11 +90,24 @@ nv50_sor_dpms(struct drm_encoder *encoder, int mode)
 {
 	struct drm_device *dev = encoder->dev;
 	struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder);
+	struct drm_encoder *enc;
 	uint32_t val;
 	int or = nv_encoder->or;
 
 	NV_DEBUG_KMS(dev, "or %d mode %d\n", or, mode);
 
+	nv_encoder->last_dpms = mode;
+	list_for_each_entry(enc, &dev->mode_config.encoder_list, head) {
+		struct nouveau_encoder *nvenc = nouveau_encoder(enc);
+
+		if (nvenc == nv_encoder ||
+		    nvenc->dcb->or != nv_encoder->dcb->or)
+			continue;
+
+		if (nvenc->last_dpms == DRM_MODE_DPMS_ON)
+			return;
+	}
+
 	/* wait for it to be done */
 	if (!nv_wait(NV50_PDISPLAY_SOR_DPMS_CTRL(or),
 		     NV50_PDISPLAY_SOR_DPMS_CTRL_PENDING, 0)) {