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From 1de6265ba83176376a4be2863694dd35a48ccda7 Mon Sep 17 00:00:00 2001
From: Aidan Wood <Aidan.Wood@amd.com>
Date: Fri, 22 Mar 2019 14:45:12 -0400
Subject: [PATCH 2481/2940] drm/amd/display: Properly set u clock
[Why]
u clk set request was being sent in units of mts, when it needed to be
in units of Mhz
[How]
add a division by 16 to convert from mts to Mhz
Signed-off-by: Aidan Wood <Aidan.Wood@amd.com>
Reviewed-by: Jun Lei <Jun.Lei@amd.com>
Acked-by: Leo Li <sunpeng.li@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c
index 6bc4b3f3301f..7aa2859b35fc 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c
@@ -2132,7 +2132,7 @@ bool dcn20_validate_bandwidth(struct dc *dc,
context->bw_ctx.bw.dcn.clk.dispclk_khz = context->bw_ctx.dml.vba.DISPCLK * 1000;
context->bw_ctx.bw.dcn.clk.dcfclk_khz = context->bw_ctx.dml.vba.DCFCLK * 1000;
context->bw_ctx.bw.dcn.clk.socclk_khz = context->bw_ctx.dml.vba.SOCCLK * 1000;
- context->bw_ctx.bw.dcn.clk.dramclk_khz = context->bw_ctx.dml.vba.DRAMSpeed * 1000;
+ context->bw_ctx.bw.dcn.clk.dramclk_khz = context->bw_ctx.dml.vba.DRAMSpeed * 1000 / 16;
context->bw_ctx.bw.dcn.clk.dcfclk_deep_sleep_khz = context->bw_ctx.dml.vba.DCFCLKDeepSleep * 1000;
context->bw_ctx.bw.dcn.clk.fclk_khz = context->bw_ctx.dml.vba.FabricClock * 1000;
context->bw_ctx.bw.dcn.clk.p_state_change_support =
--
2.17.1
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