linux-kernel - [PATCH v3 03/44] drm/nouveau/gr/gf100-: lose contents of global ctxbufs across suspend

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Message-ID: <20230919220442.202488-4-lyude@redhat.com>
Date:   Tue, 19 Sep 2023 17:55:58 -0400
From:   Lyude Paul <lyude@...hat.com>
To:     dri-devel@...ts.freedesktop.org, nouveau@...ts.freedesktop.org
Cc:     Ben Skeggs <bskeggs@...hat.com>, Danilo Krummrich <me@...r.org>,
        Karol Herbst <kherbst@...hat.com>,
        David Airlie <airlied@...il.com>,
        Daniel Vetter <daniel@...ll.ch>,
        linux-kernel@...r.kernel.org (open list)
Subject: [PATCH v3 03/44] drm/nouveau/gr/gf100-: lose contents of global ctxbufs across suspend

From: Ben Skeggs <bskeggs@...hat.com>

Some of these buffers are quite large, and there's no need to preserve
them across suspend.

Mark the contents as lost to speedup suspend/resume.

Signed-off-by: Ben Skeggs <bskeggs@...hat.com>
Reviewed-by: Lyude Paul <lyude@...hat.com>
Acked-by: Danilo Krummrich <me@...r.org>
Signed-off-by: Lyude Paul <lyude@...hat.com>
---
 drivers/gpu/drm/nouveau/nvkm/engine/gr/gf100.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/gr/gf100.c b/drivers/gpu/drm/nouveau/nvkm/engine/gr/gf100.c
index 3648868bb9fc5..c494a1ff2d572 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/gr/gf100.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/gr/gf100.c
@@ -2032,18 +2032,18 @@ gf100_gr_oneinit(struct nvkm_gr *base)
 	}
 
 	/* Allocate global context buffers. */
-	ret = nvkm_memory_new(device, NVKM_MEM_TARGET_INST, gr->func->grctx->pagepool_size,
-			      0x100, false, &gr->pagepool);
+	ret = nvkm_memory_new(device, NVKM_MEM_TARGET_INST_SR_LOST,
+			      gr->func->grctx->pagepool_size, 0x100, false, &gr->pagepool);
 	if (ret)
 		return ret;
 
-	ret = nvkm_memory_new(device, NVKM_MEM_TARGET_INST, gr->func->grctx->bundle_size,
+	ret = nvkm_memory_new(device, NVKM_MEM_TARGET_INST_SR_LOST, gr->func->grctx->bundle_size,
 			      0x100, false, &gr->bundle_cb);
 	if (ret)
 		return ret;
 
-	ret = nvkm_memory_new(device, NVKM_MEM_TARGET_INST, gr->func->grctx->attrib_cb_size(gr),
-			      0x1000, false, &gr->attrib_cb);
+	ret = nvkm_memory_new(device, NVKM_MEM_TARGET_INST_SR_LOST,
+			      gr->func->grctx->attrib_cb_size(gr), 0x1000, false, &gr->attrib_cb);
 	if (ret)
 		return ret;
 
-- 
2.41.0