From d6aad171628f54a3c309e4007e94fa31cb6bfae9 Mon Sep 17 00:00:00 2001 From: "Leo (Hanghong) Ma" Date: Fri, 25 Oct 2019 09:40:13 -0400 Subject: [PATCH 4475/4736] drm/amd/display: Add hubp clock status in DTN log for Navi [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 Reviewed-by: Harry Wentland Acked-by: Rodrigo Siqueira --- 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 69e2aae42394..391f0629b955 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hubp.c +++ b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hubp.c @@ -1204,6 +1204,9 @@ 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); -- 2.17.1