From: "Leo (Hanghong) Ma" <hanghong...@amd.com>
[Why]
For debug purpose, we need to check HUBP_CLOCK_ENABLE in DTN
log debugfs on Navi.
[How]
Add related register read in dcn20_hubp.c.
Signed-off-by: Leo (Hanghong) Ma <hanghong...@amd.com>
Reviewed-by: Harry Wentland <harry.wentl...@amd.com>
Acked-by: Rodrigo Siqueira <rodrigo.sique...@amd.com>
---
drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hubp.c | 3 +++
1 file changed, 3 insertions(+)
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 f04325604f6c..7d9ffb81584a 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hubp.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hubp.c
@@ -1202,6 +1202,9 @@ void hubp2_read_state_common(struct hubp *hubp)
HUBP_TTU_DISABLE, &s->ttu_disable,
HUBP_UNDERFLOW_STATUS, &s->underflow_status);
+ REG_GET(HUBP_CLK_CNTL,
+ HUBP_CLOCK_ENABLE, &s->clock_en);
+
REG_GET(DCN_GLOBAL_TTU_CNTL,
MIN_TTU_VBLANK, &s->min_ttu_vblank);
--
2.24.0
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