From: Alex Hung <alex.hung@xxxxxxx>
[WHAT]
Add a function to enable and disable DWB's frame captures.
Reviewed-by: Harry Wentland <harry.wentland@xxxxxxx>
Signed-off-by: Alex Hung <alex.hung@xxxxxxx>
---
.../gpu/drm/amd/display/dc/dcn30/dcn30_dwb.c | 23 +++++++++++++++++++
.../gpu/drm/amd/display/dc/dcn30/dcn30_dwb.h | 2 ++
drivers/gpu/drm/amd/display/dc/inc/hw/dwb.h | 4 ++++
3 files changed, 29 insertions(+)
diff --git a/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_dwb.c b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_dwb.c
index 0d98918bf0fc..1b9d9495f76d 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_dwb.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_dwb.c
@@ -130,6 +130,28 @@ bool dwb3_disable(struct dwbc *dwbc)
return true;
}
+void dwb3_set_fc_enable(struct dwbc *dwbc, enum dwb_frame_capture_enable enable)
+{
+ struct dcn30_dwbc *dwbc30 = TO_DCN30_DWBC(dwbc);
+ unsigned int pre_locked;
+
+ REG_GET(DWB_UPDATE_CTRL, DWB_UPDATE_LOCK, &pre_locked);
+
+ /* Lock DWB registers */
+ if (pre_locked == 0)
+ REG_UPDATE(DWB_UPDATE_CTRL, DWB_UPDATE_LOCK, 1);
+
+ /* Disable FC */
+ REG_UPDATE(FC_MODE_CTRL, FC_FRAME_CAPTURE_EN, enable);
+
+ /* Unlock DWB registers */
+ if (pre_locked == 0)
+ REG_UPDATE(DWB_UPDATE_CTRL, DWB_UPDATE_LOCK, 0);
+
+ DC_LOG_DWB("%s dwb3_fc_disabled at inst = %d", __func__, dwbc->inst);
+}
+
+
bool dwb3_update(struct dwbc *dwbc, struct dc_dwb_params *params)
{
struct dcn30_dwbc *dwbc30 = TO_DCN30_DWBC(dwbc);
@@ -226,6 +248,7 @@ static const struct dwbc_funcs dcn30_dwbc_funcs = {
.disable = dwb3_disable,
.update = dwb3_update,
.is_enabled = dwb3_is_enabled,
+ .set_fc_enable = dwb3_set_fc_enable,
.set_stereo = dwb3_set_stereo,
.set_new_content = dwb3_set_new_content,
.dwb_program_output_csc = NULL,
diff --git a/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_dwb.h b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_dwb.h
index a5d1b81e768d..332634b76aac 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_dwb.h
+++ b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_dwb.h
@@ -877,6 +877,8 @@ bool dwb3_update(struct dwbc *dwbc, struct dc_dwb_params *params);
bool dwb3_is_enabled(struct dwbc *dwbc);
+void dwb3_set_fc_enable(struct dwbc *dwbc, enum dwb_frame_capture_enable enable);
+
void dwb3_set_stereo(struct dwbc *dwbc,
struct dwb_stereo_params *stereo_params);
diff --git a/drivers/gpu/drm/amd/display/dc/inc/hw/dwb.h b/drivers/gpu/drm/amd/display/dc/inc/hw/dwb.h
index 86b711dcc785..729ca0064e94 100644
--- a/drivers/gpu/drm/amd/display/dc/inc/hw/dwb.h
+++ b/drivers/gpu/drm/amd/display/dc/inc/hw/dwb.h
@@ -188,6 +188,10 @@ struct dwbc_funcs {
bool (*is_enabled)(
struct dwbc *dwbc);
+ void (*set_fc_enable)(
+ struct dwbc *dwbc,
+ enum dwb_frame_capture_enable enable);
+
void (*set_stereo)(
struct dwbc *dwbc,
struct dwb_stereo_params *stereo_params);
--
2.42.0
