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Message-Id: <20190814213118.28473-5-kherbst@redhat.com>
Date:   Wed, 14 Aug 2019 23:31:15 +0200
From:   Karol Herbst <kherbst@...hat.com>
To:     linux-kernel@...r.kernel.org, linux-acpi@...r.kernel.org,
        dri-devel@...ts.freedesktop.org, nouveau@...ts.freedesktop.org
Cc:     Karol Herbst <kherbst@...hat.com>, Lyude Paul <lyude@...hat.com>,
        Alex Hung <alex.hung@...onical.com>,
        "Rafael J . Wysocki" <rafael.j.wysocki@...el.com>,
        Dave Airlie <airlied@...hat.com>,
        Ben Skeggs <bskeggs@...hat.com>
Subject: [PATCH 4/7] drm/nouveau/pci: enable pcie link changes for pascal

Signed-off-by: Karol Herbst <kherbst@...hat.com>
Reviewed-by: Lyude Paul <lyude@...hat.com>
CC: Alex Hung <alex.hung@...onical.com>
CC: Rafael J. Wysocki <rafael.j.wysocki@...el.com>
CC: Dave Airlie <airlied@...hat.com>
CC: Lyude Paul <lyude@...hat.com>
CC: Ben Skeggs <bskeggs@...hat.com>
---
 drivers/gpu/drm/nouveau/nvkm/subdev/pci/gk104.c |  8 ++++----
 drivers/gpu/drm/nouveau/nvkm/subdev/pci/gp100.c | 10 ++++++++++
 drivers/gpu/drm/nouveau/nvkm/subdev/pci/priv.h  |  5 +++++
 3 files changed, 19 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/pci/gk104.c b/drivers/gpu/drm/nouveau/nvkm/subdev/pci/gk104.c
index e68030507d88..664890185e15 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/pci/gk104.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/pci/gk104.c
@@ -23,7 +23,7 @@
  */
 #include "priv.h"
 
-static int
+int
 gk104_pcie_version_supported(struct nvkm_pci *pci)
 {
 	return (nvkm_rd32(pci->subdev.device, 0x8c1c0) & 0x4) == 0x4 ? 2 : 1;
@@ -108,7 +108,7 @@ gk104_pcie_lnkctl_speed(struct nvkm_pci *pci)
 	return -1;
 }
 
-static enum nvkm_pcie_speed
+enum nvkm_pcie_speed
 gk104_pcie_max_speed(struct nvkm_pci *pci)
 {
 	u32 max_speed = nvkm_rd32(pci->subdev.device, 0x8c1c0) & 0x300000;
@@ -146,7 +146,7 @@ gk104_pcie_set_link_speed(struct nvkm_pci *pci, enum nvkm_pcie_speed speed)
 	nvkm_mask(device, 0x8c040, 0x1, 0x1);
 }
 
-static int
+int
 gk104_pcie_init(struct nvkm_pci * pci)
 {
 	enum nvkm_pcie_speed lnkctl_speed, max_speed, cap_speed;
@@ -178,7 +178,7 @@ gk104_pcie_init(struct nvkm_pci * pci)
 	return 0;
 }
 
-static int
+int
 gk104_pcie_set_link(struct nvkm_pci *pci, enum nvkm_pcie_speed speed, u8 width)
 {
 	struct nvkm_subdev *subdev = &pci->subdev;
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/pci/gp100.c b/drivers/gpu/drm/nouveau/nvkm/subdev/pci/gp100.c
index 82c5234a06ff..eb19c7a44561 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/pci/gp100.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/pci/gp100.c
@@ -35,6 +35,16 @@ gp100_pci_func = {
 	.wr08 = nv40_pci_wr08,
 	.wr32 = nv40_pci_wr32,
 	.msi_rearm = gp100_pci_msi_rearm,
+
+	.pcie.init = gk104_pcie_init,
+	.pcie.set_link = gk104_pcie_set_link,
+
+	.pcie.max_speed = gk104_pcie_max_speed,
+	.pcie.cur_speed = g84_pcie_cur_speed,
+
+	.pcie.set_version = gf100_pcie_set_version,
+	.pcie.version = gf100_pcie_version,
+	.pcie.version_supported = gk104_pcie_version_supported,
 };
 
 int
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/pci/priv.h b/drivers/gpu/drm/nouveau/nvkm/subdev/pci/priv.h
index 7009aad86b6e..162ed5dc6fc3 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/pci/priv.h
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/pci/priv.h
@@ -54,6 +54,11 @@ int gf100_pcie_cap_speed(struct nvkm_pci *);
 int gf100_pcie_init(struct nvkm_pci *);
 int gf100_pcie_set_link(struct nvkm_pci *, enum nvkm_pcie_speed, u8);
 
+int gk104_pcie_init(struct nvkm_pci *);
+int gk104_pcie_set_link(struct nvkm_pci *, enum nvkm_pcie_speed, u8 width);
+enum nvkm_pcie_speed gk104_pcie_max_speed(struct nvkm_pci *);
+int gk104_pcie_version_supported(struct nvkm_pci *);
+
 int nvkm_pcie_oneinit(struct nvkm_pci *);
 int nvkm_pcie_init(struct nvkm_pci *);
 #endif
-- 
2.21.0

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