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| author | Ben Skeggs <bskeggs@redhat.com> | 2014-09-24 04:41:50 +0400 |
|---|---|---|
| committer | Ben Skeggs <bskeggs@redhat.com> | 2014-12-02 08:43:45 +0300 |
| commit | 5b34cebe994b51a0d8a039be49b48756c0d3f7a7 (patch) | |
| tree | d53882d4e370da44bba13a2f83f5e26dd33beae1 /drivers/gpu/drm/nouveau/core | |
| parent | 309a5702c23f556d2125c38f7370eab4da0e479d (diff) | |
| download | linux-5b34cebe994b51a0d8a039be49b48756c0d3f7a7.tar.xz | |
drm/nouveau/i2c: segregate aux channel adapter indices from bit-banged i2c
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/nouveau/core')
4 files changed, 14 insertions, 3 deletions
diff --git a/drivers/gpu/drm/nouveau/core/engine/disp/outp.c b/drivers/gpu/drm/nouveau/core/engine/disp/outp.c index a5ff00a9cedc..bbd9b6fdc90f 100644 --- a/drivers/gpu/drm/nouveau/core/engine/disp/outp.c +++ b/drivers/gpu/drm/nouveau/core/engine/disp/outp.c @@ -85,7 +85,10 @@ nvkm_output_create_(struct nouveau_object *parent, dcbE->sorconf.link : 0, dcbE->connector, dcbE->i2c_index, dcbE->bus, dcbE->heads); - outp->port = i2c->find(i2c, outp->info.i2c_index); + if (outp->info.type != DCB_OUTPUT_DP) + outp->port = i2c->find(i2c, NV_I2C_PORT(outp->info.i2c_index)); + else + outp->port = i2c->find(i2c, NV_I2C_AUX(outp->info.i2c_index)); outp->edid = outp->port; data = nvbios_connEp(bios, outp->info.connector, &ver, &hdr, &connE); diff --git a/drivers/gpu/drm/nouveau/core/include/subdev/i2c.h b/drivers/gpu/drm/nouveau/core/include/subdev/i2c.h index 1b937c2c25ae..50453dd0f1d8 100644 --- a/drivers/gpu/drm/nouveau/core/include/subdev/i2c.h +++ b/drivers/gpu/drm/nouveau/core/include/subdev/i2c.h @@ -8,6 +8,8 @@ #include <subdev/bios/i2c.h> #define NV_I2C_PORT(n) (0x00 + (n)) +#define NV_I2C_AUX(n) (0x10 + (n)) +#define NV_I2C_EXT(n) (0x20 + (n)) #define NV_I2C_DEFAULT(n) (0x80 + (n)) #define NV_I2C_TYPE_DCBI2C(n) (0x0000 | (n)) diff --git a/drivers/gpu/drm/nouveau/core/subdev/bios/init.c b/drivers/gpu/drm/nouveau/core/subdev/bios/init.c index 2c9f2c36f8cc..0c0889e85024 100644 --- a/drivers/gpu/drm/nouveau/core/subdev/bios/init.c +++ b/drivers/gpu/drm/nouveau/core/subdev/bios/init.c @@ -255,6 +255,8 @@ init_i2c(struct nvbios_init *init, int index) } index = init->outp->i2c_index; + if (init->outp->type == DCB_OUTPUT_DP) + index += NV_I2C_AUX(0); } return i2c->find(i2c, index); diff --git a/drivers/gpu/drm/nouveau/core/subdev/i2c/base.c b/drivers/gpu/drm/nouveau/core/subdev/i2c/base.c index 90d1660b8efa..3376356aba43 100644 --- a/drivers/gpu/drm/nouveau/core/subdev/i2c/base.c +++ b/drivers/gpu/drm/nouveau/core/subdev/i2c/base.c @@ -549,8 +549,12 @@ nouveau_i2c_create_(struct nouveau_object *parent, case DCB_I2C_NV04_BIT: case DCB_I2C_NV4E_BIT: case DCB_I2C_NVIO_BIT: + nouveau_i2c_create_port(i2c, NV_I2C_PORT(index), + info.type, &info); + break; case DCB_I2C_NVIO_AUX: - nouveau_i2c_create_port(i2c, index, info.type, &info); + nouveau_i2c_create_port(i2c, NV_I2C_AUX(index), + info.type, &info); break; case DCB_I2C_UNUSED: default: @@ -562,7 +566,7 @@ nouveau_i2c_create_(struct nouveau_object *parent, * may be ddc/aux channels hiding behind external tmds/dp/etc * transmitters. */ - index = ((index + 0x0f) / 0x10) * 0x10; + index = NV_I2C_EXT(0); i = -1; while ((data = dcb_outp_parse(bios, ++i, &ver, &hdr, &outp))) { if (!outp.location || !outp.extdev) |