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drm/amd/display: Add LSDMA Linear Sub Window Copy support

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[WHAT]
Add support for LSDMA Linear Sub Window Copy command.

Reviewed-by: Alvin Lee <alvin.lee2@amd.com>
Signed-off-by: Rafal Ostrowski <rostrows@amd.com>
Signed-off-by: Alex Hung <alex.hung@amd.com>
Tested-by: Dan Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Rafal Ostrowski 2025-07-11 13:13:27 +02:00 committed by Alex Deucher
parent d2fa0ec6e0
commit f3358399ce
2 changed files with 88 additions and 6 deletions
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58
drivers/gpu/drm/amd/display/dc/dc_dmub_srv.c
View File

@ -2010,11 +2010,12 @@ bool dmub_lsdma_init(struct dc_dmub_srv *dc_dmub_srv)
return result;
}
bool dmub_lsdma_send_linear_copy_packet(
bool dmub_lsdma_send_linear_copy_command(
struct dc_dmub_srv *dc_dmub_srv,
uint64_t src_addr,
uint64_t dst_addr,
uint32_t count)
uint32_t count
)
{
struct dc_context *dc_ctx = dc_dmub_srv->ctx;
union dmub_rb_cmd cmd;
@ -2042,9 +2043,54 @@ bool dmub_lsdma_send_linear_copy_packet(
return result;
}
bool dmub_lsdma_send_linear_sub_window_copy_command(
struct dc_dmub_srv *dc_dmub_srv,
struct lsdma_linear_sub_window_copy_params copy_data
)
{
struct dc_context *dc_ctx = dc_dmub_srv->ctx;
union dmub_rb_cmd cmd;
enum dm_dmub_wait_type wait_type;
struct dmub_cmd_lsdma_data *lsdma_data = &cmd.lsdma.lsdma_data;
bool result;
memset(&cmd, 0, sizeof(cmd));
cmd.cmd_common.header.type = DMUB_CMD__LSDMA;
cmd.cmd_common.header.sub_type = DMUB_CMD__LSDMA_LINEAR_SUB_WINDOW_COPY;
wait_type = DM_DMUB_WAIT_TYPE_NO_WAIT;
lsdma_data->u.linear_sub_window_copy_data.tmz = copy_data.tmz;
lsdma_data->u.linear_sub_window_copy_data.element_size = copy_data.element_size;
lsdma_data->u.linear_sub_window_copy_data.src_lo = copy_data.src_lo;
lsdma_data->u.linear_sub_window_copy_data.src_hi = copy_data.src_hi;
lsdma_data->u.linear_sub_window_copy_data.src_x = copy_data.src_x;
lsdma_data->u.linear_sub_window_copy_data.src_y = copy_data.src_y;
lsdma_data->u.linear_sub_window_copy_data.src_pitch = copy_data.src_pitch - 1;
lsdma_data->u.linear_sub_window_copy_data.src_slice_pitch = copy_data.src_slice_pitch - 1;
lsdma_data->u.linear_sub_window_copy_data.dst_lo = copy_data.dst_lo;
lsdma_data->u.linear_sub_window_copy_data.dst_hi = copy_data.dst_hi;
lsdma_data->u.linear_sub_window_copy_data.dst_x = copy_data.dst_x;
lsdma_data->u.linear_sub_window_copy_data.dst_y = copy_data.dst_y;
lsdma_data->u.linear_sub_window_copy_data.dst_pitch = copy_data.dst_pitch - 1;
lsdma_data->u.linear_sub_window_copy_data.dst_slice_pitch = copy_data.dst_slice_pitch - 1;
lsdma_data->u.linear_sub_window_copy_data.rect_x = copy_data.rect_x - 1;
lsdma_data->u.linear_sub_window_copy_data.rect_y = copy_data.rect_y - 1;
lsdma_data->u.linear_sub_window_copy_data.src_cache_policy = copy_data.src_cache_policy;
lsdma_data->u.linear_sub_window_copy_data.dst_cache_policy = copy_data.dst_cache_policy;
result = dc_wake_and_execute_dmub_cmd(dc_ctx, &cmd, wait_type);
if (!result)
DC_ERROR("LSDMA Linear Sub Window Copy failed in DMUB");
return result;
}
bool dmub_lsdma_send_tiled_to_tiled_copy_command(
struct dc_dmub_srv *dc_dmub_srv,
struct lsdma_send_tiled_to_tiled_copy_command_params params)
struct lsdma_send_tiled_to_tiled_copy_command_params params
)
{
struct dc_context *dc_ctx = dc_dmub_srv->ctx;
union dmub_rb_cmd cmd;
@ -2097,7 +2143,8 @@ bool dmub_lsdma_send_pio_copy_command(
uint64_t src_addr,
uint64_t dst_addr,
uint32_t byte_count,
uint32_t overlap_disable)
uint32_t overlap_disable
)
{
struct dc_context *dc_ctx = dc_dmub_srv->ctx;
union dmub_rb_cmd cmd;
@ -2130,7 +2177,8 @@ bool dmub_lsdma_send_pio_constfill_command(
struct dc_dmub_srv *dc_dmub_srv,
uint64_t dst_addr,
uint32_t byte_count,
uint32_t data)
uint32_t data
)
{
struct dc_context *dc_ctx = dc_dmub_srv->ctx;
union dmub_rb_cmd cmd;

36
drivers/gpu/drm/amd/display/dc/dc_dmub_srv.h
View File

@ -211,11 +211,45 @@ void dc_dmub_srv_fams2_passthrough_flip(
int surface_count);
bool dmub_lsdma_init(struct dc_dmub_srv *dc_dmub_srv);
bool dmub_lsdma_send_linear_copy_packet(
bool dmub_lsdma_send_linear_copy_command(
struct dc_dmub_srv *dc_dmub_srv,
uint64_t src_addr,
uint64_t dst_addr,
uint32_t count);
struct lsdma_linear_sub_window_copy_params {
uint32_t src_lo;
uint32_t src_hi;
uint32_t dst_lo;
uint32_t dst_hi;
uint32_t src_x : 16;
uint32_t src_y : 16;
uint32_t dst_x : 16;
uint32_t dst_y : 16;
uint32_t rect_x : 16;
uint32_t rect_y : 16;
uint32_t src_pitch : 16;
uint32_t dst_pitch : 16;
uint32_t src_slice_pitch;
uint32_t dst_slice_pitch;
uint32_t tmz : 1;
uint32_t element_size : 3;
uint32_t src_cache_policy : 3;
uint32_t dst_cache_policy : 3;
uint32_t padding : 22;
};
bool dmub_lsdma_send_linear_sub_window_copy_command(
struct dc_dmub_srv *dc_dmub_srv,
struct lsdma_linear_sub_window_copy_params copy_data
);
bool dmub_lsdma_send_pio_copy_command(
struct dc_dmub_srv *dc_dmub_srv,
uint64_t src_addr,