diff mbox series

[6.0,190/862] drm/amd/display: Fix watermark calculation

Message ID 20221019083258.376837892@linuxfoundation.org
State New
Headers
Series None |

Commit Message

Greg KH Oct. 19, 2022, 8:24 a.m. UTC 
  From: Alvin Lee <Alvin.Lee2@amd.com>

commit 9799702360d51a714e888fef4ab5fb9123dfb41f upstream.

Watermark calculation was incorrect due to missing brackets.

Fixes: 85f4bc0c333c ("drm/amd/display: Add SubVP required code")
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Reviewed-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Acked-by: Qingqing Zhuo <qingqing.zhuo@amd.com>
Signed-off-by: Alvin Lee <Alvin.Lee2@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org # 6.0
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 drivers/gpu/drm/amd/display/dc/dc_dmub_srv.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox series

Patch

--- a/drivers/gpu/drm/amd/display/dc/dc_dmub_srv.c
+++ b/drivers/gpu/drm/amd/display/dc/dc_dmub_srv.c
@@ -719,7 +719,7 @@  void dc_dmub_setup_subvp_dmub_command(st
 		// 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;
 	}