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authorBen Skeggs <bskeggs@redhat.com>2023-09-19 06:21:18 +1000
committerDave Airlie <airlied@redhat.com>2023-10-31 15:08:11 +1000
commita25a5d560dada2d2edec1891bf1a89c12d9808ad (patch)
treeb756c9767805f1c86cb19c5eb72916edaa18d644
parent2cfad4b0489cc13a1f980782ca4af070e2675128 (diff)
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drm/nouveau/i2c/tu102-: prepare for GSP-RM
- disable I2C completely when GSP-RM detected Signed-off-by: Ben Skeggs <bskeggs@redhat.com> Signed-off-by: Dave Airlie <airlied@redhat.com> Link: https://patchwork.freedesktop.org/patch/msgid/20230918202149.4343-14-skeggsb@gmail.com
-rw-r--r--drivers/gpu/drm/nouveau/nvkm/subdev/i2c/gm200.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/gm200.c b/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/gm200.c
index 46917eb600f9..049477511312 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/gm200.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/gm200.c
@@ -24,6 +24,8 @@
#include "priv.h"
#include "pad.h"
+#include <subdev/gsp.h>
+
static void
gm200_aux_autodpcd(struct nvkm_i2c *i2c, int aux, bool enable)
{
@@ -44,5 +46,8 @@ int
gm200_i2c_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst,
struct nvkm_i2c **pi2c)
{
+ if (nvkm_gsp_rm(device->gsp))
+ return -ENODEV;
+
return nvkm_i2c_new_(&gm200_i2c, device, type, inst, pi2c);
}