Merge branch 'drm-nouveau-next' of git://anongit.freedesktop.org/git/…

…nouveau/linux-2.6 into drm-next

This is bigger because it regenerates the internal firmwares after a fix.

* 'drm-nouveau-next' of git://anongit.freedesktop.org/git/nouveau/linux-2.6:
  drm/nouveau/doc: update the thermal documentation
  drm/nouveau/pwr: fix typo in fifo wrap handling
  drm/nv50/disp: fix a potential oops in supervisor handling
  drm/nouveau/disp/dp: don't touch link config after success
  drm/nouveau/kms: reference vblank for crtc during pageflip.
  drm/gk104/fb/ram: fixups from an earlier search+replace
  drm/nv50/gr: remove an unneeded write while initialising PGRAPH
  drm/nv50/gr: fix overlap while zeroing zcull regions
  drm/gf100-/gr: report class data to host on fwmthd failure
  drm/gk104/ibus: increase various random timeouts
  drm/gk104/clk: only touch divider for mode we'll be using

Documentation/thermal/nouveau_thermal

@@ -4,7 +4,7 @@ Kernel driver nouveau
 Supported chips:
 * NV43+
 
-Authors: Martin Peres (mupuf) <martin.peres@labri.fr>
+Authors: Martin Peres (mupuf) <martin.peres@free.fr>
 
 Description
 ---------
@@ -68,8 +68,9 @@ Your fan can be driven in different modes:
 
 NOTE: Be sure to use the manual mode if you want to drive the fan speed manually
 
-NOTE2: Not all fan management modes may be supported on all chipsets. We are
-working on it.
+NOTE2: When operating in manual mode outside the vbios-defined
+[PWM_min, PWM_max] range, the reported fan speed (RPM) may not be accurate
+depending on your hardware.
 
 Bug reports
 ---------

drivers/gpu/drm/nouveau/core/engine/disp/dport.c

@@ -241,7 +241,9 @@ dp_link_train_eq(struct dp_state *dp)
 		dp_set_training_pattern(dp, 2);
 
 	do {
-		if (dp_link_train_update(dp, dp->pc2, 400))
+		if ((tries &&
+		    dp_link_train_commit(dp, dp->pc2)) ||
+		    dp_link_train_update(dp, dp->pc2, 400))
 			break;
 
 		eq_done = !!(dp->stat[2] & DPCD_LS04_INTERLANE_ALIGN_DONE);
@@ -253,9 +255,6 @@ dp_link_train_eq(struct dp_state *dp)
 			    !(lane & DPCD_LS02_LANE0_SYMBOL_LOCKED))
 				eq_done = false;
 		}
-
-		if (dp_link_train_commit(dp, dp->pc2))
-			break;
 	} while (!eq_done && cr_done && ++tries <= 5);
 
 	return eq_done ? 0 : -1;

drivers/gpu/drm/nouveau/core/engine/disp/nv50.c

@@ -1270,7 +1270,7 @@ exec_clkcmp(struct nv50_disp_priv *priv, int head, int id, u32 pclk, u32 *conf)
 	i--;
 
 	outp = exec_lookup(priv, head, i, ctrl, &data, &ver, &hdr, &cnt, &len, &info1);
-	if (!data)
+	if (!outp)
 		return NULL;
 
 	if (outp->info.location == 0) {

drivers/gpu/drm/nouveau/core/engine/graph/fuc/gpc.fuc

@@ -54,7 +54,7 @@ mmio_list_base:
 #ifdef INCLUDE_CODE
 // reports an exception to the host
 //
-// In: $r15 error code (see nvc0.fuc)
+// In: $r15 error code (see os.h)
 //
 error:
 	push $r14

drivers/gpu/drm/nouveau/core/engine/graph/fuc/hub.fuc

@@ -49,7 +49,7 @@ hub_mmio_list_next:
 #ifdef INCLUDE_CODE
 // reports an exception to the host
 //
-// In: $r15 error code (see nvc0.fuc)
+// In: $r15 error code (see os.h)
 //
 error:
 	nv_iowr(NV_PGRAPH_FECS_CC_SCRATCH_VAL(5), 0, $r15)
@@ -343,13 +343,25 @@ ih:
 	ih_no_ctxsw:
 	and $r11 $r10 NV_PGRAPH_FECS_INTR_FWMTHD
 	bra e #ih_no_fwmthd
-		// none we handle, ack, and fall-through to unhandled
+		// none we handle; report to host and ack
+		nv_rd32($r15, NV_PGRAPH_TRAPPED_DATA_LO)
+		nv_iowr(NV_PGRAPH_FECS_CC_SCRATCH_VAL(4), 0, $r15)
+		nv_rd32($r15, NV_PGRAPH_TRAPPED_ADDR)
+		nv_iowr(NV_PGRAPH_FECS_CC_SCRATCH_VAL(3), 0, $r15)
+		extr $r14 $r15 16:18
+		shl b32 $r14 $r14 2
+		imm32($r15, NV_PGRAPH_FE_OBJECT_TABLE(0))
+		add b32 $r14 $r15
+		call(nv_rd32)
+		nv_iowr(NV_PGRAPH_FECS_CC_SCRATCH_VAL(2), 0, $r15)
+		mov $r15 E_BAD_FWMTHD
+		call(error)
 		mov $r11 0x100
 		nv_wr32(0x400144, $r11)
 
 	// anything we didn't handle, bring it to the host's attention
 	ih_no_fwmthd:
-	mov $r11 0x104 // FIFO | CHSW
+	mov $r11 0x504 // FIFO | CHSW | FWMTHD
 	not b32 $r11
 	and $r11 $r10 $r11
 	bra e #ih_no_other