From: Wesley Chalmers <Wesley.Chalmers@xxxxxxx>
[WHY]
HUBP blanking sequence on DCN30 requires us to check if HUBP is in blank
and also toggle HUBP_DISABLE, which should instead be called
HUBP_SOFT_RESET for what it does in HW.
Signed-off-by: Wesley Chalmers <Wesley.Chalmers@xxxxxxx>
Acked-by: Bindu Ramamurthy <bindu.r@xxxxxxx>
---
.../gpu/drm/amd/display/dc/dcn10/dcn10_hubp.c | 18 ++++++++++++++++++
.../gpu/drm/amd/display/dc/dcn10/dcn10_hubp.h | 4 ++++
.../gpu/drm/amd/display/dc/dcn20/dcn20_hubp.c | 2 ++
.../gpu/drm/amd/display/dc/dcn30/dcn30_hubp.c | 2 ++
drivers/gpu/drm/amd/display/dc/inc/hw/hubp.h | 2 ++
5 files changed, 28 insertions(+)
diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hubp.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hubp.c
index 41679ad531c5..9e796dfeac20 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hubp.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hubp.c
@@ -1241,6 +1241,22 @@ void hubp1_vtg_sel(struct hubp *hubp, uint32_t otg_inst)
REG_UPDATE(DCHUBP_CNTL, HUBP_VTG_SEL, otg_inst);
}
+bool hubp1_in_blank(struct hubp *hubp)
+{
+ uint32_t in_blank;
+ struct dcn10_hubp *hubp1 = TO_DCN10_HUBP(hubp);
+
+ REG_GET(DCHUBP_CNTL, HUBP_IN_BLANK, &in_blank);
+ return in_blank ? true : false;
+}
+
+void hubp1_soft_reset(struct hubp *hubp, bool reset)
+{
+ struct dcn10_hubp *hubp1 = TO_DCN10_HUBP(hubp);
+
+ REG_UPDATE(DCHUBP_CNTL, HUBP_DISABLE, reset ? 1 : 0);
+}
+
void hubp1_init(struct hubp *hubp)
{
//do nothing
@@ -1272,6 +1288,8 @@ static const struct hubp_funcs dcn10_hubp_funcs = {
.dmdata_set_attributes = NULL,
.dmdata_load = NULL,
+ .hubp_soft_reset = hubp1_soft_reset,
+ .hubp_in_blank = hubp1_in_blank,
};
/*****************************************/
diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hubp.h b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hubp.h
index 780af5b3c16f..a9a6ed7f4f99 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hubp.h
+++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hubp.h
@@ -260,6 +260,7 @@
HUBP_SF(HUBP0_DCHUBP_CNTL, HUBP_NO_OUTSTANDING_REQ, mask_sh),\
HUBP_SF(HUBP0_DCHUBP_CNTL, HUBP_VTG_SEL, mask_sh),\
HUBP_SF(HUBP0_DCHUBP_CNTL, HUBP_DISABLE, mask_sh),\
+ HUBP_SF(HUBP0_DCHUBP_CNTL, HUBP_IN_BLANK, mask_sh),\
HUBP_SF(HUBP0_DCSURF_ADDR_CONFIG, NUM_PIPES, mask_sh),\
HUBP_SF(HUBP0_DCSURF_ADDR_CONFIG, NUM_BANKS, mask_sh),\
HUBP_SF(HUBP0_DCSURF_ADDR_CONFIG, PIPE_INTERLEAVE, mask_sh),\
@@ -455,6 +456,7 @@
type HUBP_VTG_SEL;\
type HUBP_UNDERFLOW_STATUS;\
type HUBP_UNDERFLOW_CLEAR;\
+ type HUBP_IN_BLANK;\
type NUM_PIPES;\
type NUM_BANKS;\
type PIPE_INTERLEAVE;\
@@ -772,5 +774,7 @@ void hubp1_vready_workaround(struct hubp *hubp,
void hubp1_init(struct hubp *hubp);
void hubp1_read_state_common(struct hubp *hubp);
+bool hubp1_in_blank(struct hubp *hubp);
+void hubp1_soft_reset(struct hubp *hubp, bool reset);
#endif
diff --git a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hubp.c b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hubp.c
index b7e44e53a342..0df0da2e6a4d 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hubp.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hubp.c
@@ -1595,6 +1595,8 @@ static struct hubp_funcs dcn20_hubp_funcs = {
.hubp_set_flip_control_surface_gsl = hubp2_set_flip_control_surface_gsl,
.hubp_init = hubp1_init,
.validate_dml_output = hubp2_validate_dml_output,
+ .hubp_in_blank = hubp1_in_blank,
+ .hubp_soft_reset = hubp1_soft_reset,
};
diff --git a/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_hubp.c b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_hubp.c
index af462fe4260d..88ffa9ff1ed1 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_hubp.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_hubp.c
@@ -509,6 +509,8 @@ static struct hubp_funcs dcn30_hubp_funcs = {
.hubp_clear_underflow = hubp2_clear_underflow,
.hubp_set_flip_control_surface_gsl = hubp2_set_flip_control_surface_gsl,
.hubp_init = hubp3_init,
+ .hubp_in_blank = hubp1_in_blank,
+ .hubp_soft_reset = hubp1_soft_reset,
};
bool hubp3_construct(
diff --git a/drivers/gpu/drm/amd/display/dc/inc/hw/hubp.h b/drivers/gpu/drm/amd/display/dc/inc/hw/hubp.h
index 315e3061c592..22f3f643ed1b 100644
--- a/drivers/gpu/drm/amd/display/dc/inc/hw/hubp.h
+++ b/drivers/gpu/drm/amd/display/dc/inc/hw/hubp.h
@@ -188,6 +188,8 @@ struct hubp_funcs {
void (*set_unbounded_requesting)(
struct hubp *hubp,
bool enable);
+ bool (*hubp_in_blank)(struct hubp *hubp);
+ void (*hubp_soft_reset)(struct hubp *hubp, bool reset);
};
--
2.25.1
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