From: Alvin Lee <alvin.lee2@xxxxxxx>
[Description]
Add extra logging for DCSURF_FLIP_CNTL, DCHUBP_CNTL,
OTG_MASTER_EN, and OTG_DOUBLE_BUFFER_CONTROL for more
debuggability for a system crash.
Reviewed-by: Samson Tam <samson.tam@xxxxxxx>
Acked-by: Roman Li <roman.li@xxxxxxx>
Signed-off-by: Alvin Lee <alvin.lee2@xxxxxxx>
Tested-by: Daniel Wheeler <daniel.wheeler@xxxxxxx>
---
drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hubp.h | 1 +
drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hubp.c | 6 ++++++
drivers/gpu/drm/amd/display/dc/dcn30/dcn30_hubp.c | 3 +++
drivers/gpu/drm/amd/display/dc/inc/hw/optc.h | 2 ++
drivers/gpu/drm/amd/display/dc/optc/dcn10/dcn10_optc.c | 3 +++
5 files changed, 15 insertions(+)
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 09784222cc03..69119b2fdce2 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hubp.h
+++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hubp.h
@@ -692,6 +692,7 @@ struct dcn_hubp_state {
uint32_t primary_meta_addr_hi;
uint32_t uclk_pstate_force;
uint32_t hubp_cntl;
+ uint32_t flip_control;
};
struct dcn10_hubp {
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 89c3bf0fe0c9..6bba020ad6fb 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hubp.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hubp.c
@@ -1331,6 +1331,12 @@ void hubp2_read_state(struct hubp *hubp)
SWATH_HEIGHT_C, &rq_regs->rq_regs_c.swath_height,
PTE_ROW_HEIGHT_LINEAR_C, &rq_regs->rq_regs_c.pte_row_height_linear);
+ if (REG(DCHUBP_CNTL))
+ s->hubp_cntl = REG_READ(DCHUBP_CNTL);
+
+ if (REG(DCSURF_FLIP_CONTROL))
+ s->flip_control = REG_READ(DCSURF_FLIP_CONTROL);
+
}
static void hubp2_validate_dml_output(struct hubp *hubp,
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 75547ce86c09..60a64d290352 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_hubp.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_hubp.c
@@ -455,6 +455,9 @@ void hubp3_read_state(struct hubp *hubp)
if (REG(DCHUBP_CNTL))
s->hubp_cntl = REG_READ(DCHUBP_CNTL);
+ if (REG(DCSURF_FLIP_CONTROL))
+ s->flip_control = REG_READ(DCSURF_FLIP_CONTROL);
+
}
void hubp3_setup(
diff --git a/drivers/gpu/drm/amd/display/dc/inc/hw/optc.h b/drivers/gpu/drm/amd/display/dc/inc/hw/optc.h
index 9a8bf6ec70ea..8d32e525f05a 100644
--- a/drivers/gpu/drm/amd/display/dc/inc/hw/optc.h
+++ b/drivers/gpu/drm/amd/display/dc/inc/hw/optc.h
@@ -93,6 +93,8 @@ struct dcn_otg_state {
uint32_t vertical_interrupt1_line;
uint32_t vertical_interrupt2_en;
uint32_t vertical_interrupt2_line;
+ uint32_t otg_master_update_lock;
+ uint32_t otg_double_buffer_control;
};
void optc1_read_otg_state(struct optc *optc1, struct dcn_otg_state *s);
diff --git a/drivers/gpu/drm/amd/display/dc/optc/dcn10/dcn10_optc.c b/drivers/gpu/drm/amd/display/dc/optc/dcn10/dcn10_optc.c
index 0e8f4f36c87c..f109a101d84f 100644
--- a/drivers/gpu/drm/amd/display/dc/optc/dcn10/dcn10_optc.c
+++ b/drivers/gpu/drm/amd/display/dc/optc/dcn10/dcn10_optc.c
@@ -1383,6 +1383,9 @@ void optc1_read_otg_state(struct optc *optc1,
REG_GET(OTG_VERTICAL_INTERRUPT2_POSITION,
OTG_VERTICAL_INTERRUPT2_LINE_START, &s->vertical_interrupt2_line);
+
+ s->otg_master_update_lock = REG_READ(OTG_MASTER_UPDATE_LOCK);
+ s->otg_double_buffer_control = REG_READ(OTG_DOUBLE_BUFFER_CONTROL);
}
bool optc1_get_otg_active_size(struct timing_generator *optc,
--
2.34.1
