[PATCH 06/31] drm/amd/display: i2c/aux Remove link index.
Harry Wentland
harry.wentland at amd.com
Fri May 12 15:20:39 UTC 2017
From: Andrey Grodzovsky <Andrey.Grodzovsky at amd.com>
Link index is an unnecessery level of inderection when
calling from kernel i2c/aux transfer into DAL.
Change-Id: I3413e46e12a8134f6be521a39884688f6caa1b56
Signed-off-by: Andrey Grodzovsky <Andrey.Grodzovsky at amd.com>
Change-Id: If9962dc66a4e0298b02fdc61c9579c843f959cdd
Signed-off-by: Andrey Grodzovsky <Andrey.Grodzovsky at amd.com>
---
.../amd/display/amdgpu_dm/amdgpu_dm_mst_types.c | 38 +++++++++++-----------
.../drm/amd/display/amdgpu_dm/amdgpu_dm_types.c | 22 +++++++++----
drivers/gpu/drm/amd/display/dc/core/dc.c | 19 ++++-------
drivers/gpu/drm/amd/display/dc/core/dc_link.c | 28 ++++++++--------
drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c | 4 +--
drivers/gpu/drm/amd/display/dc/dc.h | 9 ++---
drivers/gpu/drm/amd/display/dc/inc/core_types.h | 1 -
7 files changed, 58 insertions(+), 63 deletions(-)
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c
index 0e79ba920b06..8c767ef5abf4 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c
@@ -33,6 +33,8 @@
#include "dc.h"
#include "dm_helpers.h"
+#include "dc_link_ddc.h"
+
/* #define TRACE_DPCD */
#ifdef TRACE_DPCD
@@ -77,43 +79,41 @@ void log_dpcd(uint8_t type,
static ssize_t dm_dp_aux_transfer(struct drm_dp_aux *aux, struct drm_dp_aux_msg *msg)
{
- struct pci_dev *pdev = to_pci_dev(aux->dev);
- struct drm_device *drm_dev = pci_get_drvdata(pdev);
- struct amdgpu_device *adev = drm_dev->dev_private;
- struct dc *dc = adev->dm.dc;
enum i2c_mot_mode mot = (msg->request & DP_AUX_I2C_MOT) ? I2C_MOT_TRUE : I2C_MOT_FALSE;
- bool res;
+ enum ddc_result res;
switch (msg->request & ~DP_AUX_I2C_MOT) {
case DP_AUX_NATIVE_READ:
- res = dc_read_aux_dpcd(
- dc,
- TO_DM_AUX(aux)->link_index,
+ res = dal_ddc_service_read_dpcd_data(
+ TO_DM_AUX(aux)->ddc_service,
+ false,
+ I2C_MOT_UNDEF,
msg->address,
msg->buffer,
msg->size);
break;
case DP_AUX_NATIVE_WRITE:
- res = dc_write_aux_dpcd(
- dc,
- TO_DM_AUX(aux)->link_index,
+ res = dal_ddc_service_write_dpcd_data(
+ TO_DM_AUX(aux)->ddc_service,
+ false,
+ I2C_MOT_UNDEF,
msg->address,
msg->buffer,
msg->size);
break;
case DP_AUX_I2C_READ:
- res = dc_read_aux_i2c(
- dc,
- TO_DM_AUX(aux)->link_index,
+ res = dal_ddc_service_read_dpcd_data(
+ TO_DM_AUX(aux)->ddc_service,
+ true,
mot,
msg->address,
msg->buffer,
msg->size);
break;
case DP_AUX_I2C_WRITE:
- res = dc_write_aux_i2c(
- dc,
- TO_DM_AUX(aux)->link_index,
+ res = dal_ddc_service_write_dpcd_data(
+ TO_DM_AUX(aux)->ddc_service,
+ true,
mot,
msg->address,
msg->buffer,
@@ -128,7 +128,7 @@ static ssize_t dm_dp_aux_transfer(struct drm_dp_aux *aux, struct drm_dp_aux_msg
msg->address,
msg->buffer,
msg->size,
- res);
+ r == DDC_RESULT_SUCESSFULL);
#endif
return msg->size;
@@ -446,7 +446,7 @@ void amdgpu_dm_initialize_dp_connector(
aconnector->dm_dp_aux.aux.name = "dmdc";
aconnector->dm_dp_aux.aux.dev = dm->adev->dev;
aconnector->dm_dp_aux.aux.transfer = dm_dp_aux_transfer;
- aconnector->dm_dp_aux.link_index = aconnector->connector_id;
+ aconnector->dm_dp_aux.ddc_service = aconnector->dc_link->ddc;
drm_dp_aux_register(&aconnector->dm_dp_aux.aux);
aconnector->mst_mgr.cbs = &dm_mst_cbs;
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_types.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_types.c
index 1fd5d1a17019..9ba16cc512cb 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_types.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_types.c
@@ -51,6 +51,8 @@
#include "modules/inc/mod_freesync.h"
+#include "i2caux_interface.h"
+
struct dm_connector_state {
struct drm_connector_state base;
@@ -2183,6 +2185,7 @@ int amdgpu_dm_i2c_xfer(struct i2c_adapter *i2c_adap,
struct i2c_msg *msgs, int num)
{
struct amdgpu_i2c_adapter *i2c = i2c_get_adapdata(i2c_adap);
+ struct ddc_service *ddc_service = i2c->ddc_service;
struct i2c_command cmd;
int i;
int result = -EIO;
@@ -2203,11 +2206,13 @@ int amdgpu_dm_i2c_xfer(struct i2c_adapter *i2c_adap,
cmd.payloads[i].data = msgs[i].buf;
}
- if (dc_submit_i2c(i2c->dm->dc, i2c->link_index, &cmd))
+ if (dal_i2caux_submit_i2c_command(
+ ddc_service->ctx->i2caux,
+ ddc_service->ddc_pin,
+ &cmd))
result = num;
kfree(cmd.payloads);
-
return result;
}
@@ -2221,19 +2226,22 @@ static const struct i2c_algorithm amdgpu_dm_i2c_algo = {
.functionality = amdgpu_dm_i2c_func,
};
-struct amdgpu_i2c_adapter *create_i2c(unsigned int link_index, struct amdgpu_display_manager *dm, int *res)
+static struct amdgpu_i2c_adapter *create_i2c(
+ struct ddc_service *ddc_service,
+ int link_index,
+ int *res)
{
+ struct amdgpu_device *adev = ddc_service->ctx->driver_context;
struct amdgpu_i2c_adapter *i2c;
i2c = kzalloc(sizeof (struct amdgpu_i2c_adapter), GFP_KERNEL);
- i2c->dm = dm;
i2c->base.owner = THIS_MODULE;
i2c->base.class = I2C_CLASS_DDC;
- i2c->base.dev.parent = &dm->adev->pdev->dev;
+ i2c->base.dev.parent = &adev->pdev->dev;
i2c->base.algo = &amdgpu_dm_i2c_algo;
snprintf(i2c->base.name, sizeof (i2c->base.name), "AMDGPU DM i2c hw bus %d", link_index);
- i2c->link_index = link_index;
i2c_set_adapdata(&i2c->base, i2c);
+ i2c->ddc_service = ddc_service;
return i2c;
}
@@ -2255,7 +2263,7 @@ int amdgpu_dm_connector_init(
DRM_DEBUG_KMS("%s()\n", __func__);
- i2c = create_i2c(link->link_index, dm, &res);
+ i2c = create_i2c(link->ddc, link->link_index, &res);
aconnector->i2c = i2c;
res = i2c_add_adapter(&i2c->base);
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c
index 738acf0cc7db..d063a252ccd9 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc.c
@@ -1525,13 +1525,6 @@ const struct graphics_object_id dc_get_link_id_at_index(
return core_dc->links[link_index]->link_id;
}
-const struct ddc_service *dc_get_ddc_at_index(
- struct dc *dc, uint32_t link_index)
-{
- struct core_dc *core_dc = DC_TO_CORE(dc);
- return core_dc->links[link_index]->ddc;
-}
-
enum dc_irq_source dc_get_hpd_irq_source_at_index(
struct dc *dc, uint32_t link_index)
{
@@ -1639,7 +1632,7 @@ bool dc_read_aux_dpcd(
struct core_link *link = core_dc->links[link_index];
enum ddc_result r = dal_ddc_service_read_dpcd_data(
- link->ddc,
+ link->public.ddc,
false,
I2C_MOT_UNDEF,
address,
@@ -1659,7 +1652,7 @@ bool dc_write_aux_dpcd(
struct core_link *link = core_dc->links[link_index];
enum ddc_result r = dal_ddc_service_write_dpcd_data(
- link->ddc,
+ link->public.ddc,
false,
I2C_MOT_UNDEF,
address,
@@ -1680,7 +1673,7 @@ bool dc_read_aux_i2c(
struct core_link *link = core_dc->links[link_index];
enum ddc_result r = dal_ddc_service_read_dpcd_data(
- link->ddc,
+ link->public.ddc,
true,
mot,
address,
@@ -1701,7 +1694,7 @@ bool dc_write_aux_i2c(
struct core_link *link = core_dc->links[link_index];
enum ddc_result r = dal_ddc_service_write_dpcd_data(
- link->ddc,
+ link->public.ddc,
true,
mot,
address,
@@ -1724,7 +1717,7 @@ bool dc_query_ddc_data(
struct core_link *link = core_dc->links[link_index];
bool result = dal_ddc_service_query_ddc_data(
- link->ddc,
+ link->public.ddc,
address,
write_buf,
write_size,
@@ -1742,7 +1735,7 @@ bool dc_submit_i2c(
struct core_dc *core_dc = DC_TO_CORE(dc);
struct core_link *link = core_dc->links[link_index];
- struct ddc_service *ddc = link->ddc;
+ struct ddc_service *ddc = link->public.ddc;
return dal_i2caux_submit_i2c_command(
ddc->ctx->i2caux,
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link.c b/drivers/gpu/drm/amd/display/dc/core/dc_link.c
index 95d042a15409..97cfd5bd3853 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc_link.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc_link.c
@@ -66,8 +66,8 @@ static void destruct(struct core_link *link)
{
int i;
- if (link->ddc)
- dal_ddc_service_destroy(&link->ddc);
+ if (link->public.ddc)
+ dal_ddc_service_destroy(&link->public.ddc);
if(link->link_enc)
link->link_enc->funcs->destroy(&link->link_enc);
@@ -320,7 +320,7 @@ static bool is_dp_sink_present(struct core_link *link)
((connector_id == CONNECTOR_ID_DISPLAY_PORT) ||
(connector_id == CONNECTOR_ID_EDP));
- ddc = dal_ddc_service_get_ddc_pin(link->ddc);
+ ddc = dal_ddc_service_get_ddc_pin(link->public.ddc);
if (!ddc) {
BREAK_TO_DEBUGGER();
@@ -526,7 +526,7 @@ static void detect_dp(
}
} else {
/* DP passive dongles */
- sink_caps->signal = dp_passive_dongle_detection(link->ddc,
+ sink_caps->signal = dp_passive_dongle_detection(link->public.ddc,
sink_caps,
audio_support);
}
@@ -629,11 +629,11 @@ bool dc_link_detect(const struct dc_link *dc_link, bool boot)
link->dpcd_sink_count = 1;
dal_ddc_service_set_transaction_type(
- link->ddc,
+ link->public.ddc,
sink_caps.transaction_type);
link->public.aux_mode = dal_ddc_service_is_in_aux_transaction_mode(
- link->ddc);
+ link->public.ddc);
sink_init_data.link = &link->public;
sink_init_data.sink_signal = sink_caps.signal;
@@ -784,7 +784,7 @@ static enum channel_id get_ddc_line(struct core_link *link)
struct ddc *ddc;
enum channel_id channel = CHANNEL_ID_UNKNOWN;
- ddc = dal_ddc_service_get_ddc_pin(link->ddc);
+ ddc = dal_ddc_service_get_ddc_pin(link->public.ddc);
if (ddc) {
switch (dal_ddc_get_line(ddc)) {
@@ -971,16 +971,16 @@ static bool construct(
ddc_service_init_data.ctx = link->ctx;
ddc_service_init_data.id = link->link_id;
ddc_service_init_data.link = link;
- link->ddc = dal_ddc_service_create(&ddc_service_init_data);
+ link->public.ddc = dal_ddc_service_create(&ddc_service_init_data);
- if (NULL == link->ddc) {
+ if (link->public.ddc == NULL) {
DC_ERROR("Failed to create ddc_service!\n");
goto ddc_create_fail;
}
link->public.ddc_hw_inst =
dal_ddc_get_line(
- dal_ddc_service_get_ddc_pin(link->ddc));
+ dal_ddc_service_get_ddc_pin(link->public.ddc));
enc_init_data.ctx = dc_ctx;
bp_funcs->get_src_obj(dc_ctx->dc_bios, link->link_id, 0, &enc_init_data.encoder);
@@ -1049,7 +1049,7 @@ static bool construct(
device_tag_fail:
link->link_enc->funcs->destroy(&link->link_enc);
link_enc_create_fail:
- dal_ddc_service_destroy(&link->ddc);
+ dal_ddc_service_destroy(&link->public.ddc);
ddc_create_fail:
create_fail:
@@ -1256,7 +1256,7 @@ static void enable_link_hdmi(struct pipe_ctx *pipe_ctx)
if (dc_is_hdmi_signal(pipe_ctx->stream->signal))
dal_ddc_service_write_scdc_data(
- stream->sink->link->ddc,
+ stream->sink->link->public.ddc,
stream->phy_pix_clk,
stream->public.timing.flags.LTE_340MCSC_SCRAMBLE);
@@ -1276,7 +1276,7 @@ static void enable_link_hdmi(struct pipe_ctx *pipe_ctx)
stream->phy_pix_clk);
if (pipe_ctx->stream->signal == SIGNAL_TYPE_HDMI_TYPE_A)
- dal_ddc_service_read_scdc_data(link->ddc);
+ dal_ddc_service_read_scdc_data(link->public.ddc);
}
/****************************enable_link***********************************/
@@ -1474,7 +1474,7 @@ bool dc_link_setup_psr(const struct dc_link *dc_link,
&psr_configuration.raw,
sizeof(psr_configuration.raw));
- psr_context.channel = link->ddc->ddc_pin->hw_info.ddc_channel;
+ psr_context.channel = link->public.ddc->ddc_pin->hw_info.ddc_channel;
psr_context.transmitterId = link->link_enc->transmitter;
psr_context.engineId = link->link_enc->preferred_engine;
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c b/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c
index a0d192774a22..98048fe6239e 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c
@@ -1913,7 +1913,7 @@ static void get_active_converter_info(
/* decode converter info*/
if (!ds_port.fields.PORT_PRESENT) {
link->dpcd_caps.dongle_type = DISPLAY_DONGLE_NONE;
- ddc_service_set_dongle_type(link->ddc,
+ ddc_service_set_dongle_type(link->public.ddc,
link->dpcd_caps.dongle_type);
return;
}
@@ -1983,7 +1983,7 @@ static void get_active_converter_info(
}
}
- ddc_service_set_dongle_type(link->ddc, link->dpcd_caps.dongle_type);
+ ddc_service_set_dongle_type(link->public.ddc, link->dpcd_caps.dongle_type);
{
struct dp_device_vendor_id dp_id;
diff --git a/drivers/gpu/drm/amd/display/dc/dc.h b/drivers/gpu/drm/amd/display/dc/dc.h
index d74bbdce1090..c7e503a91f45 100644
--- a/drivers/gpu/drm/amd/display/dc/dc.h
+++ b/drivers/gpu/drm/amd/display/dc/dc.h
@@ -646,6 +646,8 @@ struct dc_link {
void *priv;
bool aux_mode;
+
+ struct ddc_service *ddc;
};
struct dpcd_caps {
@@ -829,13 +831,6 @@ void dc_set_power_state(
enum dc_acpi_cm_power_state power_state);
void dc_resume(const struct dc *dc);
-/*******************************************************************************
- * DDC Interfaces
- ******************************************************************************/
-
-const struct ddc_service *dc_get_ddc_at_index(
- struct dc *dc, uint32_t link_index);
-
/*
* DPCD access interfaces
*/
diff --git a/drivers/gpu/drm/amd/display/dc/inc/core_types.h b/drivers/gpu/drm/amd/display/dc/inc/core_types.h
index c1273d6142c4..fcda3c7db818 100644
--- a/drivers/gpu/drm/amd/display/dc/inc/core_types.h
+++ b/drivers/gpu/drm/amd/display/dc/inc/core_types.h
@@ -151,7 +151,6 @@ struct core_link {
struct dc_context *ctx; /* TODO: AUTO remove 'dal' when DC is complete*/
struct link_encoder *link_enc;
- struct ddc_service *ddc;
struct graphics_object_id link_id;
union ddi_channel_mapping ddi_channel_mapping;
struct connector_device_tag_info device_tag;
--
2.11.0
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