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From 44cfb929dce3ec82a8c4072e8a49547dc301f2ba Mon Sep 17 00:00:00 2001
From: Joseph Gravenor <joseph.gravenor@amd.com>
Date: Mon, 4 Nov 2019 16:39:35 -0500
Subject: [PATCH 4671/4736] drm/amd/display: fix DalDramClockChangeLatencyNs
override
[why]
pstate_latency_us never gets updated from the hard coded value
in rn_clk_mgr.c
[how]
update the wm table's values before we do calculations with them
Signed-off-by: Joseph Gravenor <joseph.gravenor@amd.com>
Reviewed-by: Eric Yang <eric.yang2@amd.com>
Acked-by: Leo Li <sunpeng.li@amd.com>
---
drivers/gpu/drm/amd/display/dc/dcn21/dcn21_resource.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/display/dc/dcn21/dcn21_resource.c b/drivers/gpu/drm/amd/display/dc/dcn21/dcn21_resource.c
index 94a5611972cc..23727c3f2e01 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn21/dcn21_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn21/dcn21_resource.c
@@ -1013,9 +1013,12 @@ static void patch_bounding_box(struct dc *dc, struct _vcs_dpi_soc_bounding_box_s
}
if (dc->bb_overrides.dram_clock_change_latency_ns) {
- bb->dram_clock_change_latency_us =
+ for (i = 0; i < WM_SET_COUNT; i++) {
+ dc->clk_mgr->bw_params->wm_table.entries[i].pstate_latency_us =
dc->bb_overrides.dram_clock_change_latency_ns / 1000.0;
+ }
}
+
kernel_fpu_end();
}
--
2.17.1
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