diff options
Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/4475-drm-amd-display-Add-hubp-clock-status-in-DTN-log-for.patch')
-rw-r--r-- | meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/4475-drm-amd-display-Add-hubp-clock-status-in-DTN-log-for.patch | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/4475-drm-amd-display-Add-hubp-clock-status-in-DTN-log-for.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/4475-drm-amd-display-Add-hubp-clock-status-in-DTN-log-for.patch new file mode 100644 index 00000000..2e708fec --- /dev/null +++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/4475-drm-amd-display-Add-hubp-clock-status-in-DTN-log-for.patch @@ -0,0 +1,37 @@ +From d6aad171628f54a3c309e4007e94fa31cb6bfae9 Mon Sep 17 00:00:00 2001 +From: "Leo (Hanghong) Ma" <hanghong.ma@amd.com> +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 <hanghong.ma@amd.com> +Reviewed-by: Harry Wentland <Harry.Wentland@amd.com> +Acked-by: Rodrigo Siqueira <Rodrigo.Siqueira@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 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 + |