diff options
Diffstat (limited to 'drivers/gpu/drm/gma500/cdv_intel_dp.c')
| -rw-r--r-- | drivers/gpu/drm/gma500/cdv_intel_dp.c | 37 |
1 files changed, 19 insertions, 18 deletions
diff --git a/drivers/gpu/drm/gma500/cdv_intel_dp.c b/drivers/gpu/drm/gma500/cdv_intel_dp.c index f88a1815d87..6a7c2481d4a 100644 --- a/drivers/gpu/drm/gma500/cdv_intel_dp.c +++ b/drivers/gpu/drm/gma500/cdv_intel_dp.c @@ -483,7 +483,7 @@ cdv_intel_dp_aux_native_write(struct gma_encoder *encoder, if (send_bytes > 16) return -1; - msg[0] = AUX_NATIVE_WRITE << 4; + msg[0] = DP_AUX_NATIVE_WRITE << 4; msg[1] = address >> 8; msg[2] = address & 0xff; msg[3] = send_bytes - 1; @@ -493,9 +493,10 @@ cdv_intel_dp_aux_native_write(struct gma_encoder *encoder, ret = cdv_intel_dp_aux_ch(encoder, msg, msg_bytes, &ack, 1); if (ret < 0) return ret; - if ((ack & AUX_NATIVE_REPLY_MASK) == AUX_NATIVE_REPLY_ACK) + ack >>= 4; + if ((ack & DP_AUX_NATIVE_REPLY_MASK) == DP_AUX_NATIVE_REPLY_ACK) break; - else if ((ack & AUX_NATIVE_REPLY_MASK) == AUX_NATIVE_REPLY_DEFER) + else if ((ack & DP_AUX_NATIVE_REPLY_MASK) == DP_AUX_NATIVE_REPLY_DEFER) udelay(100); else return -EIO; @@ -523,7 +524,7 @@ cdv_intel_dp_aux_native_read(struct gma_encoder *encoder, uint8_t ack; int ret; - msg[0] = AUX_NATIVE_READ << 4; + msg[0] = DP_AUX_NATIVE_READ << 4; msg[1] = address >> 8; msg[2] = address & 0xff; msg[3] = recv_bytes - 1; @@ -538,12 +539,12 @@ cdv_intel_dp_aux_native_read(struct gma_encoder *encoder, return -EPROTO; if (ret < 0) return ret; - ack = reply[0]; - if ((ack & AUX_NATIVE_REPLY_MASK) == AUX_NATIVE_REPLY_ACK) { + ack = reply[0] >> 4; + if ((ack & DP_AUX_NATIVE_REPLY_MASK) == DP_AUX_NATIVE_REPLY_ACK) { memcpy(recv, reply + 1, ret - 1); return ret - 1; } - else if ((ack & AUX_NATIVE_REPLY_MASK) == AUX_NATIVE_REPLY_DEFER) + else if ((ack & DP_AUX_NATIVE_REPLY_MASK) == DP_AUX_NATIVE_REPLY_DEFER) udelay(100); else return -EIO; @@ -569,12 +570,12 @@ cdv_intel_dp_i2c_aux_ch(struct i2c_adapter *adapter, int mode, /* Set up the command byte */ if (mode & MODE_I2C_READ) - msg[0] = AUX_I2C_READ << 4; + msg[0] = DP_AUX_I2C_READ << 4; else - msg[0] = AUX_I2C_WRITE << 4; + msg[0] = DP_AUX_I2C_WRITE << 4; if (!(mode & MODE_I2C_STOP)) - msg[0] |= AUX_I2C_MOT << 4; + msg[0] |= DP_AUX_I2C_MOT << 4; msg[1] = address >> 8; msg[2] = address; @@ -606,16 +607,16 @@ cdv_intel_dp_i2c_aux_ch(struct i2c_adapter *adapter, int mode, return ret; } - switch (reply[0] & AUX_NATIVE_REPLY_MASK) { - case AUX_NATIVE_REPLY_ACK: + switch ((reply[0] >> 4) & DP_AUX_NATIVE_REPLY_MASK) { + case DP_AUX_NATIVE_REPLY_ACK: /* I2C-over-AUX Reply field is only valid * when paired with AUX ACK. */ break; - case AUX_NATIVE_REPLY_NACK: + case DP_AUX_NATIVE_REPLY_NACK: DRM_DEBUG_KMS("aux_ch native nack\n"); return -EREMOTEIO; - case AUX_NATIVE_REPLY_DEFER: + case DP_AUX_NATIVE_REPLY_DEFER: udelay(100); continue; default: @@ -624,16 +625,16 @@ cdv_intel_dp_i2c_aux_ch(struct i2c_adapter *adapter, int mode, return -EREMOTEIO; } - switch (reply[0] & AUX_I2C_REPLY_MASK) { - case AUX_I2C_REPLY_ACK: + switch ((reply[0] >> 4) & DP_AUX_I2C_REPLY_MASK) { + case DP_AUX_I2C_REPLY_ACK: if (mode == MODE_I2C_READ) { *read_byte = reply[1]; } return reply_bytes - 1; - case AUX_I2C_REPLY_NACK: + case DP_AUX_I2C_REPLY_NACK: DRM_DEBUG_KMS("aux_i2c nack\n"); return -EREMOTEIO; - case AUX_I2C_REPLY_DEFER: + case DP_AUX_I2C_REPLY_DEFER: DRM_DEBUG_KMS("aux_i2c defer\n"); udelay(100); break; |