From: Ben Skeggs <bskeggs@redhat.com>
Date: Thu, 14 Apr 2016 05:36:16 +0000 (+1000)
Subject: drm/nouveau/gr/gm200-: fix bad hardcoding of a max-tpcs-per-gpc value
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=06d4f26cc33b11be4b41fa0409130cbdf34d9343;p=GitHub%2FLineageOS%2Fandroid_kernel_motorola_exynos9610.git

drm/nouveau/gr/gm200-: fix bad hardcoding of a max-tpcs-per-gpc value

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
---

diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/gr/ctxgm200.c b/drivers/gpu/drm/nouveau/nvkm/engine/gr/ctxgm200.c
index 7a78d974ee1a..e65b70a01a88 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/gr/ctxgm200.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/gr/ctxgm200.c
@@ -33,7 +33,7 @@ gm200_grctx_generate_tpcid(struct gf100_gr *gr)
 	struct nvkm_device *device = gr->base.engine.subdev.device;
 	int gpc, tpc, id;
 
-	for (tpc = 0, id = 0; tpc < 4; tpc++) {
+	for (tpc = 0, id = 0; tpc < TPC_MAX_PER_GPC; tpc++) {
 		for (gpc = 0; gpc < gr->gpc_nr; gpc++) {
 			if (tpc < gr->tpc_nr[gpc]) {
 				nvkm_wr32(device, TPC_UNIT(gpc, tpc, 0x698), id);
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/gr/gf100.h b/drivers/gpu/drm/nouveau/nvkm/engine/gr/gf100.h
index be32330c58da..9a2c7bacc0e6 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/gr/gf100.h
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/gr/gf100.h
@@ -31,7 +31,8 @@
 #include <subdev/mmu.h>
 
 #define GPC_MAX 32
-#define TPC_MAX (GPC_MAX * 8)
+#define TPC_MAX_PER_GPC 8
+#define TPC_MAX (GPC_MAX * TPC_MAX_PER_GPC)
 
 #define ROP_BCAST(r)      (0x408800 + (r))
 #define ROP_UNIT(u, r)    (0x410000 + (u) * 0x400 + (r))