[PATCH 4/7] drm/nouveau/pci: enable pcie link changes for pascal
Karol Herbst
kherbst at redhat.com
Wed Aug 14 21:31:15 UTC 2019
Signed-off-by: Karol Herbst <kherbst at redhat.com>
Reviewed-by: Lyude Paul <lyude at redhat.com>
CC: Alex Hung <alex.hung at canonical.com>
CC: Rafael J. Wysocki <rafael.j.wysocki at intel.com>
CC: Dave Airlie <airlied at redhat.com>
CC: Lyude Paul <lyude at redhat.com>
CC: Ben Skeggs <bskeggs at redhat.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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