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drm/amd/display: add dp dto programming function to dccg

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[WHY&HOW]
Add support for programming dp dto via dccg.

Reviewed-by: Jun Lei <jun.lei@amd.com>
Acked-by: Stylon Wang <stylon.wang@amd.com>
Signed-off-by: Dillon Varone <dillon.varone@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Dillon Varone 2023-08-24 12:19:21 -04:00 committed by Alex Deucher
parent 77aac4c280
commit 8e6302ebed
2 changed files with 11 additions and 0 deletions
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1
drivers/gpu/drm/amd/display/dc/dce/dce_clock_source.c
View File

@ -34,6 +34,7 @@
#include "dce_clock_source.h"
#include "clk_mgr.h"
#include "dccg.h"
#include "reg_helper.h"

10
drivers/gpu/drm/amd/display/dc/inc/hw/dccg.h
View File

@ -56,6 +56,13 @@ enum dentist_dispclk_change_mode {
DISPCLK_CHANGE_MODE_RAMPING,
};
struct dp_dto_params {
int otg_inst;
enum signal_type signal;
long long pixclk_hz;
long long refclk_hz;
};
enum pixel_rate_div {
PIXEL_RATE_DIV_BY_1 = 0,
PIXEL_RATE_DIV_BY_2 = 1,
@ -182,6 +189,9 @@ struct dccg_funcs {
struct dccg *dccg,
uint32_t stream_enc_inst,
uint32_t link_enc_inst);
void (*set_dp_dto)(
struct dccg *dccg,
const struct dp_dto_params *params);
};
#endif //__DAL_DCCG_H__