[PATCH 17/28] drm/amd/display: add dp dto programming function to dccg
Stylon Wang
stylon.wang at amd.com
Wed Sep 6 12:28:22 UTC 2023
From: Dillon Varone <dillon.varone at amd.com>
[WHY&HOW]
Add support for programming dp dto via dccg.
Reviewed-by: Jun Lei <jun.lei at amd.com>
Acked-by: Stylon Wang <stylon.wang at amd.com>
Signed-off-by: Dillon Varone <dillon.varone at amd.com>
---
drivers/gpu/drm/amd/display/dc/dce/dce_clock_source.c | 1 +
drivers/gpu/drm/amd/display/dc/inc/hw/dccg.h | 10 ++++++++++
2 files changed, 11 insertions(+)
diff --git a/drivers/gpu/drm/amd/display/dc/dce/dce_clock_source.c b/drivers/gpu/drm/amd/display/dc/dce/dce_clock_source.c
index ed8936405dfa..75cf4ab8ae3c 100644
--- a/drivers/gpu/drm/amd/display/dc/dce/dce_clock_source.c
+++ b/drivers/gpu/drm/amd/display/dc/dce/dce_clock_source.c
@@ -34,6 +34,7 @@
#include "dce_clock_source.h"
#include "clk_mgr.h"
+#include "dccg.h"
#include "reg_helper.h"
diff --git a/drivers/gpu/drm/amd/display/dc/inc/hw/dccg.h b/drivers/gpu/drm/amd/display/dc/inc/hw/dccg.h
index 3e2f0f64c98c..65bb7cd05385 100644
--- a/drivers/gpu/drm/amd/display/dc/inc/hw/dccg.h
+++ b/drivers/gpu/drm/amd/display/dc/inc/hw/dccg.h
@@ -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__
--
2.42.0
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