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authorBen Skeggs <bskeggs@redhat.com>2021-01-13 17:12:52 +1000
committerBen Skeggs <bskeggs@redhat.com>2021-01-15 10:25:16 +1000
commit8ad95edc39100c22c29ab1d2588332b99f387c8e (patch)
tree0ca0f0821408fafff3ea335847ae0161391bba1c /drivers/gpu/drm/nouveau/nvkm/subdev/i2c/priv.h
parentb5510d1e21d80e2fa2286468ca8c2922f5895ef8 (diff)
drm/nouveau/i2c/gk110-: disable hw-initiated dpcd reads
RM does this around transactions, and it seemed to help while debugging AUXCH issues on GA102. Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/subdev/i2c/priv.h')
-rw-r--r--drivers/gpu/drm/nouveau/nvkm/subdev/i2c/priv.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/priv.h b/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/priv.h
index bd86bc298ebe..e35f6036fcfc 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/priv.h
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/priv.h
@@ -23,6 +23,10 @@ struct nvkm_i2c_func {
/* mask on/off interrupt types for a given set of auxch
*/
void (*aux_mask)(struct nvkm_i2c *, u32, u32, u32);
+
+ /* enable/disable HW-initiated DPCD reads
+ */
+ void (*aux_autodpcd)(struct nvkm_i2c *, int aux, bool enable);
};
void g94_aux_stat(struct nvkm_i2c *, u32 *, u32 *, u32 *, u32 *);