[RESEND RFC 01/18] drm/amdgpu/dc/mst: Rename dp_mst_stream_allocation(_table)

Lyude Paul
2022-06-08T00:27:05Z

Just to make this more clear to outside contributors that these are
DC-specific structs, as this also threw me into a loop a number of times
before I figured out the purpose of this.

Signed-off-by: Lyude Paul <lyude@redhat.com>
Cc: Wayne Lin <Wayne.Lin@amd.com>
Cc: Fangzhi Zuo <Jerry.Zuo@amd.com>
---
.../gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c | 9 ++++-----
drivers/gpu/drm/amd/display/dc/core/dc_link.c | 10 +++++-----
drivers/gpu/drm/amd/display/dc/dm_helpers.h | 4 ++--
.../gpu/drm/amd/display/include/link_service_types.h | 11 ++++++++---
4 files changed, 19 insertions(+), 15 deletions(-)

diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c
index 7c799ddc1d27..1bd70d306c22 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c
@@ -153,9 +153,8 @@ enum dc_edid_status dm_helpers_parse_edid_caps(
return result;
}

-static void get_payload_table(
- struct amdgpu_dm_connector *aconnector,
- struct dp_mst_stream_allocation_table *proposed_table)
+static void get_payload_table(struct amdgpu_dm_connector *aconnector,
+ struct dc_dp_mst_stream_allocation_table *proposed_table)
{
int i;
struct drm_dp_mst_topology_mgr *mst_mgr =
@@ -177,7 +176,7 @@ static void get_payload_table(
mst_mgr->payloads[i].payload_state ==
DP_PAYLOAD_REMOTE) {

- struct dp_mst_stream_allocation *sa =
+ struct dc_dp_mst_stream_allocation *sa =
&proposed_table->stream_allocations[
proposed_table->stream_count];

@@ -201,7 +200,7 @@ void dm_helpers_dp_update_branch_info(
bool dm_helpers_dp_mst_write_payload_allocation_table(
struct dc_context *ctx,
const struct dc_stream_state *stream,
- struct dp_mst_stream_allocation_table *proposed_table,
+ struct dc_dp_mst_stream_allocation_table *proposed_table,
bool enable)
{
struct amdgpu_dm_connector *aconnector;
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 a789ea8af27f..db0f5158a0c2 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc_link.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc_link.c
@@ -3424,7 +3424,7 @@ static void update_mst_stream_alloc_table(
struct dc_link *link,
struct stream_encoder *stream_enc,
struct hpo_dp_stream_encoder *hpo_dp_stream_enc, // TODO: Rename stream_enc to dio_stream_enc?
- const struct dp_mst_stream_allocation_table *proposed_table)
+ const struct dc_dp_mst_stream_allocation_table *proposed_table)
{
struct link_mst_stream_allocation work_table[MAX_CONTROLLER_NUM] = { 0 };
struct link_mst_stream_allocation *dc_alloc;
@@ -3586,7 +3586,7 @@ enum dc_status dc_link_allocate_mst_payload(struct pipe_ctx *pipe_ctx)
{
struct dc_stream_state *stream = pipe_ctx->stream;
struct dc_link *link = stream->link;
- struct dp_mst_stream_allocation_table proposed_table = {0};
+ struct dc_dp_mst_stream_allocation_table proposed_table = {0};
struct fixed31_32 avg_time_slots_per_mtp;
struct fixed31_32 pbn;
struct fixed31_32 pbn_per_slot;
@@ -3691,7 +3691,7 @@ enum dc_status dc_link_reduce_mst_payload(struct pipe_ctx *pipe_ctx, uint32_t bw
struct fixed31_32 avg_time_slots_per_mtp;
struct fixed31_32 pbn;
struct fixed31_32 pbn_per_slot;
- struct dp_mst_stream_allocation_table proposed_table = {0};
+ struct dc_dp_mst_stream_allocation_table proposed_table = {0};
uint8_t i;
enum act_return_status ret;
const struct link_hwss *link_hwss = get_link_hwss(link, &pipe_ctx->link_res);
@@ -3779,7 +3779,7 @@ enum dc_status dc_link_increase_mst_payload(struct pipe_ctx *pipe_ctx, uint32_t
struct fixed31_32 pbn;
struct fixed31_32 pbn_per_slot;
struct link_encoder *link_encoder = link->link_enc;
- struct dp_mst_stream_allocation_table proposed_table = {0};
+ struct dc_dp_mst_stream_allocation_table proposed_table = {0};
uint8_t i;
enum act_return_status ret;
const struct link_hwss *link_hwss = get_link_hwss(link, &pipe_ctx->link_res);
@@ -3855,7 +3855,7 @@ static enum dc_status deallocate_mst_payload(struct pipe_ctx *pipe_ctx)
{
struct dc_stream_state *stream = pipe_ctx->stream;
struct dc_link *link = stream->link;
- struct dp_mst_stream_allocation_table proposed_table = {0};
+ struct dc_dp_mst_stream_allocation_table proposed_table = {0};
struct fixed31_32 avg_time_slots_per_mtp = dc_fixpt_from_int(0);
int i;
bool mst_mode = (link->type == dc_connection_mst_branch);
diff --git a/drivers/gpu/drm/amd/display/dc/dm_helpers.h b/drivers/gpu/drm/amd/display/dc/dm_helpers.h
index fb6a2d7b6470..8173f4b80424 100644
--- a/drivers/gpu/drm/amd/display/dc/dm_helpers.h
+++ b/drivers/gpu/drm/amd/display/dc/dm_helpers.h
@@ -33,7 +33,7 @@
#include "dc_types.h"
#include "dc.h"

-struct dp_mst_stream_allocation_table;
+struct dc_dp_mst_stream_allocation_table;
struct aux_payload;
enum aux_return_code_type;

@@ -77,7 +77,7 @@ void dm_helpers_dp_update_branch_info(
bool dm_helpers_dp_mst_write_payload_allocation_table(
struct dc_context *ctx,
const struct dc_stream_state *stream,
- struct dp_mst_stream_allocation_table *proposed_table,
+ struct dc_dp_mst_stream_allocation_table *proposed_table,
bool enable);

/*
diff --git a/drivers/gpu/drm/amd/display/include/link_service_types.h b/drivers/gpu/drm/amd/display/include/link_service_types.h
index 447a56286dd0..91bffc5bf52c 100644
--- a/drivers/gpu/drm/amd/display/include/link_service_types.h
+++ b/drivers/gpu/drm/amd/display/include/link_service_types.h
@@ -245,8 +245,13 @@ union dpcd_training_lane_set {
};

+/* AMD's copy of various payload data for MST. We have two copies of the payload table (one in DRM,
+ * one in DC) since DRM's MST helpers can't be accessed here. This stream allocation table should
+ * _ONLY_ be filled out from DM and then passed to DC, do NOT use these for _any_ kind of atomic
+ * state calculations in DM, or you will break something.
+ */
/* DP MST stream allocation (payload bandwidth number) */
-struct dp_mst_stream_allocation {
+struct dc_dp_mst_stream_allocation {
uint8_t vcp_id;
/* number of slots required for the DP stream in
* transport packet */
@@ -254,11 +259,11 @@ struct dp_mst_stream_allocation {
};

/* DP MST stream allocation table */
-struct dp_mst_stream_allocation_table {
+struct dc_dp_mst_stream_allocation_table {
/* number of DP video streams */
int stream_count;
/* array of stream allocations */
- struct dp_mst_stream_allocation stream_allocations[MAX_CONTROLLER_NUM];
+ struct dc_dp_mst_stream_allocation stream_allocations[MAX_CONTROLLER_NUM];
};

#endif /*__DAL_LINK_SERVICE_TYPES_H__*/
--
2.35.3