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drm/amd/display: Add hubp clock status in DTN log for Navi

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[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.ma@amd.com>
Reviewed-by: Harry Wentland <Harry.Wentland@amd.com>
Acked-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Leo (Hanghong) Ma 2019-10-25 09:40:13 -04:00 committed by Alex Deucher
parent db8ff9d38c
commit d3698cea22
1 changed files with 3 additions and 0 deletions
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3
drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hubp.c
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@ -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);