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path: root/drivers/gpu/drm/amd/amdgpu/atombios_dp.c
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Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/atombios_dp.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/atombios_dp.c62
1 files changed, 35 insertions, 27 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/atombios_dp.c b/drivers/gpu/drm/amd/amdgpu/atombios_dp.c
index f81068ba4cc6..492813ab1b54 100644
--- a/drivers/gpu/drm/amd/amdgpu/atombios_dp.c
+++ b/drivers/gpu/drm/amd/amdgpu/atombios_dp.c
@@ -24,8 +24,10 @@
* Alex Deucher
* Jerome Glisse
*/
-#include <drm/drmP.h>
+
#include <drm/amdgpu_drm.h>
+#include <drm/display/drm_dp_helper.h>
+
#include "amdgpu.h"
#include "atom.h"
@@ -34,7 +36,6 @@
#include "atombios_dp.h"
#include "amdgpu_connectors.h"
#include "amdgpu_atombios.h"
-#include <drm/drm_dp_helper.h>
/* move these to drm_dp_helper.c/h */
#define DP_LINK_CONFIGURATION_SIZE 9
@@ -60,7 +61,7 @@ static int amdgpu_atombios_dp_process_aux_ch(struct amdgpu_i2c_chan *chan,
u8 delay, u8 *ack)
{
struct drm_device *dev = chan->dev;
- struct amdgpu_device *adev = dev->dev_private;
+ struct amdgpu_device *adev = drm_to_adev(dev);
union aux_channel_transaction args;
int index = GetIndexIntoMasterTable(COMMAND, ProcessAuxChannelTransaction);
unsigned char *base;
@@ -82,7 +83,7 @@ static int amdgpu_atombios_dp_process_aux_ch(struct amdgpu_i2c_chan *chan,
args.v2.ucDelay = delay / 10;
args.v2.ucHPD_ID = chan->rec.hpd;
- amdgpu_atom_execute_table(adev->mode_info.atom_context, index, (uint32_t *)&args);
+ amdgpu_atom_execute_table(adev->mode_info.atom_context, index, (uint32_t *)&args, sizeof(args));
*ack = args.v2.ucReplyStatus;
@@ -186,16 +187,12 @@ amdgpu_atombios_dp_aux_transfer(struct drm_dp_aux *aux, struct drm_dp_aux_msg *m
void amdgpu_atombios_dp_aux_init(struct amdgpu_connector *amdgpu_connector)
{
- int ret;
-
amdgpu_connector->ddc_bus->rec.hpd = amdgpu_connector->hpd.hpd;
- amdgpu_connector->ddc_bus->aux.dev = amdgpu_connector->base.kdev;
amdgpu_connector->ddc_bus->aux.transfer = amdgpu_atombios_dp_aux_transfer;
- ret = drm_dp_aux_register(&amdgpu_connector->ddc_bus->aux);
- if (!ret)
- amdgpu_connector->ddc_bus->has_aux = true;
+ amdgpu_connector->ddc_bus->aux.drm_dev = amdgpu_connector->base.dev;
- WARN(ret, "drm_dp_aux_register_i2c_bus() failed with error %d\n", ret);
+ drm_dp_aux_init(&amdgpu_connector->ddc_bus->aux);
+ amdgpu_connector->ddc_bus->has_aux = true;
}
/***** general DP utility functions *****/
@@ -304,14 +301,14 @@ static u8 amdgpu_atombios_dp_encoder_service(struct amdgpu_device *adev,
args.ucLaneNum = lane_num;
args.ucStatus = 0;
- amdgpu_atom_execute_table(adev->mode_info.atom_context, index, (uint32_t *)&args);
+ amdgpu_atom_execute_table(adev->mode_info.atom_context, index, (uint32_t *)&args, sizeof(args));
return args.ucStatus;
}
u8 amdgpu_atombios_dp_get_sinktype(struct amdgpu_connector *amdgpu_connector)
{
struct drm_device *dev = amdgpu_connector->base.dev;
- struct amdgpu_device *adev = dev->dev_private;
+ struct amdgpu_device *adev = drm_to_adev(dev);
return amdgpu_atombios_dp_encoder_service(adev, ATOM_DP_ACTION_GET_SINK_TYPE, 0,
amdgpu_connector->ddc_bus->rec.i2c_id, 0);
@@ -334,6 +331,22 @@ static void amdgpu_atombios_dp_probe_oui(struct amdgpu_connector *amdgpu_connect
buf[0], buf[1], buf[2]);
}
+static void amdgpu_atombios_dp_ds_ports(struct amdgpu_connector *amdgpu_connector)
+{
+ struct amdgpu_connector_atom_dig *dig_connector = amdgpu_connector->con_priv;
+ int ret;
+
+ if (dig_connector->dpcd[DP_DPCD_REV] > 0x10) {
+ ret = drm_dp_dpcd_read(&amdgpu_connector->ddc_bus->aux,
+ DP_DOWNSTREAM_PORT_0,
+ dig_connector->downstream_ports,
+ DP_MAX_DOWNSTREAM_PORTS);
+ if (ret)
+ memset(dig_connector->downstream_ports, 0,
+ DP_MAX_DOWNSTREAM_PORTS);
+ }
+}
+
int amdgpu_atombios_dp_get_dpcd(struct amdgpu_connector *amdgpu_connector)
{
struct amdgpu_connector_atom_dig *dig_connector = amdgpu_connector->con_priv;
@@ -349,7 +362,7 @@ int amdgpu_atombios_dp_get_dpcd(struct amdgpu_connector *amdgpu_connector)
dig_connector->dpcd);
amdgpu_atombios_dp_probe_oui(amdgpu_connector);
-
+ amdgpu_atombios_dp_ds_ports(amdgpu_connector);
return 0;
}
@@ -361,7 +374,6 @@ int amdgpu_atombios_dp_get_panel_mode(struct drm_encoder *encoder,
struct drm_connector *connector)
{
struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
- struct amdgpu_connector_atom_dig *dig_connector;
int panel_mode = DP_PANEL_MODE_EXTERNAL_DP_MODE;
u16 dp_bridge = amdgpu_connector_encoder_get_dp_bridge_encoder_id(connector);
u8 tmp;
@@ -369,8 +381,6 @@ int amdgpu_atombios_dp_get_panel_mode(struct drm_encoder *encoder,
if (!amdgpu_connector->con_priv)
return panel_mode;
- dig_connector = amdgpu_connector->con_priv;
-
if (dp_bridge != ENCODER_OBJECT_ID_NONE) {
/* DP bridge chips */
if (drm_dp_dpcd_readb(&amdgpu_connector->ddc_bus->aux,
@@ -420,7 +430,7 @@ void amdgpu_atombios_dp_set_link_config(struct drm_connector *connector,
}
int amdgpu_atombios_dp_mode_valid_helper(struct drm_connector *connector,
- struct drm_display_mode *mode)
+ const struct drm_display_mode *mode)
{
struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
struct amdgpu_connector_atom_dig *dig_connector;
@@ -448,8 +458,8 @@ bool amdgpu_atombios_dp_needs_link_train(struct amdgpu_connector *amdgpu_connect
u8 link_status[DP_LINK_STATUS_SIZE];
struct amdgpu_connector_atom_dig *dig = amdgpu_connector->con_priv;
- if (drm_dp_dpcd_read_link_status(&amdgpu_connector->ddc_bus->aux, link_status)
- <= 0)
+ if (drm_dp_dpcd_read_link_status(&amdgpu_connector->ddc_bus->aux,
+ link_status) < 0)
return false;
if (drm_dp_channel_eq_ok(link_status, dig->dp_lane_count))
return false;
@@ -603,10 +613,10 @@ amdgpu_atombios_dp_link_train_cr(struct amdgpu_atombios_dp_link_train_info *dp_i
dp_info->tries = 0;
voltage = 0xff;
while (1) {
- drm_dp_link_train_clock_recovery_delay(dp_info->dpcd);
+ drm_dp_link_train_clock_recovery_delay(dp_info->aux, dp_info->dpcd);
if (drm_dp_dpcd_read_link_status(dp_info->aux,
- dp_info->link_status) <= 0) {
+ dp_info->link_status) < 0) {
DRM_ERROR("displayport link status failed\n");
break;
}
@@ -668,10 +678,10 @@ amdgpu_atombios_dp_link_train_ce(struct amdgpu_atombios_dp_link_train_info *dp_i
dp_info->tries = 0;
channel_eq = false;
while (1) {
- drm_dp_link_train_channel_eq_delay(dp_info->dpcd);
+ drm_dp_link_train_channel_eq_delay(dp_info->aux, dp_info->dpcd);
if (drm_dp_dpcd_read_link_status(dp_info->aux,
- dp_info->link_status) <= 0) {
+ dp_info->link_status) < 0) {
DRM_ERROR("displayport link status failed\n");
break;
}
@@ -711,9 +721,8 @@ void amdgpu_atombios_dp_link_train(struct drm_encoder *encoder,
struct drm_connector *connector)
{
struct drm_device *dev = encoder->dev;
- struct amdgpu_device *adev = dev->dev_private;
+ struct amdgpu_device *adev = drm_to_adev(dev);
struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
- struct amdgpu_encoder_atom_dig *dig;
struct amdgpu_connector *amdgpu_connector;
struct amdgpu_connector_atom_dig *dig_connector;
struct amdgpu_atombios_dp_link_train_info dp_info;
@@ -721,7 +730,6 @@ void amdgpu_atombios_dp_link_train(struct drm_encoder *encoder,
if (!amdgpu_encoder->enc_priv)
return;
- dig = amdgpu_encoder->enc_priv;
amdgpu_connector = to_amdgpu_connector(connector);
if (!amdgpu_connector->con_priv)
generated by cgit (git 2.34.1) at 2025-12-24 20:58:16 +0000