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| author | Ben Skeggs <bskeggs@redhat.com> | 2021-01-13 17:12:52 +1000 |
|---|---|---|
| committer | Ben Skeggs <bskeggs@redhat.com> | 2021-01-15 10:25:16 +1000 |
| commit | 8ad95edc39100c22c29ab1d2588332b99f387c8e (patch) | |
| tree | 0ca0f0821408fafff3ea335847ae0161391bba1c /drivers/gpu/drm/nouveau/nvkm/subdev/i2c/aux.h | |
| parent | drm/nouveau/i2c/gk110: split out from i2c/gk104 (diff) | |
| download | linux-8ad95edc39100c22c29ab1d2588332b99f387c8e.tar.gz linux-8ad95edc39100c22c29ab1d2588332b99f387c8e.zip | |
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/aux.h')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/subdev/i2c/aux.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/aux.h b/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/aux.h index 30b48896965e..f920eabf8628 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/aux.h +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/aux.h @@ -3,6 +3,13 @@ #define __NVKM_I2C_AUX_H__ #include "pad.h" +static inline void +nvkm_i2c_aux_autodpcd(struct nvkm_i2c *i2c, int aux, bool enable) +{ + if (i2c->func->aux_autodpcd) + i2c->func->aux_autodpcd(i2c, aux, false); +} + struct nvkm_i2c_aux_func { bool address_only; int (*xfer)(struct nvkm_i2c_aux *, bool retry, u8 type, |