Re: [20/23] drm/amd/display: Fix watermark calculation

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On 10/6/2022 16:26, Qingqing Zhuo wrote:
From: Alvin Lee <Alvin.Lee2@xxxxxxx>

Watermark calculation was incorrect
due to missing brackets.

Reviewed-by: Rodrigo Siqueira <Rodrigo.Siqueira@xxxxxxx>
Acked-by: Qingqing Zhuo <qingqing.zhuo@xxxxxxx>
Signed-off-by: Alvin Lee <Alvin.Lee2@xxxxxxx>

This just landed upstream for 6.0 and is a trivial fix for what the intention was, it should go 6.0.y too.

Cc: stable@xxxxxxxxxxxxxxx # 6.0
Fixes: 85f4bc0c333c ("drm/amd/display: Add SubVP required code")

---
  drivers/gpu/drm/amd/display/dc/dc_dmub_srv.c | 2 +-
  1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/display/dc/dc_dmub_srv.c b/drivers/gpu/drm/amd/display/dc/dc_dmub_srv.c
index bbde635c56fc..0541e87e4f38 100644
--- a/drivers/gpu/drm/amd/display/dc/dc_dmub_srv.c
+++ b/drivers/gpu/drm/amd/display/dc/dc_dmub_srv.c
@@ -781,7 +781,7 @@ void dc_dmub_setup_subvp_dmub_command(struct dc *dc,
  		// Store the original watermark value for this SubVP config so we can lower it when the
  		// MCLK switch starts
  		wm_val_refclk = context->bw_ctx.bw.dcn.watermarks.a.cstate_pstate.pstate_change_ns *
-				dc->res_pool->ref_clocks.dchub_ref_clock_inKhz / 1000 / 1000;
+				(dc->res_pool->ref_clocks.dchub_ref_clock_inKhz / 1000) / 1000;
cmd.fw_assisted_mclk_switch_v2.config_data.watermark_a_cache = wm_val_refclk < 0xFFFF ? wm_val_refclk : 0xFFFF;
  	}




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