linux-kernel - [PATCH] dc_dmub_srv: Use max()/min() function for better coding conventions

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Date:   Mon, 10 Jul 2023 09:30:20 +0800
From:   Yang Rong <yangrong@...o.com>
To:     Harry Wentland <harry.wentland@....com>,
        Leo Li <sunpeng.li@....com>,
        Rodrigo Siqueira <Rodrigo.Siqueira@....com>,
        Alex Deucher <alexander.deucher@....com>,
        Christian König <christian.koenig@....com>,
        "Pan, Xinhui" <Xinhui.Pan@....com>,
        David Airlie <airlied@...il.com>,
        Daniel Vetter <daniel@...ll.ch>,
        Alvin Lee <Alvin.Lee2@....com>, Jun Lei <Jun.Lei@....com>,
        Qingqing Zhuo <qingqing.zhuo@....com>,
        Josip Pavic <Josip.Pavic@....com>,
        Max Tseng <Max.Tseng@....com>,
        Cruise Hung <cruise.hung@....com>,
        Eric Yang <Eric.Yang2@....com>,
        amd-gfx@...ts.freedesktop.org (open list:AMD DISPLAY CORE),
        dri-devel@...ts.freedesktop.org (open list:DRM DRIVERS),
        linux-kernel@...r.kernel.org (open list)
Cc:     opensource.kernel@...o.com, luhongfei@...o.com,
        Yang Rong <yangrong@...o.com>
Subject: [PATCH] dc_dmub_srv: Use max()/min() function for better coding conventions

It is advisable to utilize the max() function in the dc_dmub_srv.c file, 
as it conforms better to programming conventions.

Signed-off-by: Yang Rong <yangrong@...o.com>
---
 drivers/gpu/drm/amd/display/dc/dc_dmub_srv.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)
 mode change 100644 => 100755 drivers/gpu/drm/amd/display/dc/dc_dmub_srv.c

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 c753c6f30dd7..df79aea49a3c
--- a/drivers/gpu/drm/amd/display/dc/dc_dmub_srv.c
+++ b/drivers/gpu/drm/amd/display/dc/dc_dmub_srv.c
@@ -22,7 +22,7 @@
  * Authors: AMD
  *
  */
-
+#include <linux/minmax.h>
 #include "dc.h"
 #include "dc_dmub_srv.h"
 #include "../dmub/dmub_srv.h"
@@ -481,7 +481,7 @@ static void populate_subvp_cmd_drr_info(struct dc *dc,
 	max_drr_vblank_us = div64_u64((subvp_active_us - prefetch_us -
 			dc->caps.subvp_fw_processing_delay_us - drr_active_us), 2) + drr_active_us;
 	max_drr_mallregion_us = subvp_active_us - prefetch_us - mall_region_us - dc->caps.subvp_fw_processing_delay_us;
-	max_drr_supported_us = max_drr_vblank_us > max_drr_mallregion_us ? max_drr_vblank_us : max_drr_mallregion_us;
+	max_drr_supported_us = max(max_drr_vblank_us, max_drr_mallregion_us);
 	max_vtotal_supported = div64_u64(((uint64_t)drr_timing->pix_clk_100hz * 100 * max_drr_supported_us),
 			(((uint64_t)drr_timing->h_total * 1000000)));
 
@@ -771,7 +771,7 @@ void dc_dmub_setup_subvp_dmub_command(struct dc *dc,
 		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;
 
-		cmd.fw_assisted_mclk_switch_v2.config_data.watermark_a_cache = wm_val_refclk < 0xFFFF ? wm_val_refclk : 0xFFFF;
+		cmd.fw_assisted_mclk_switch_v2.config_data.watermark_a_cache = min(wm_val_refclk, 0xFFFF);
 	}
 
 	dm_execute_dmub_cmd(dc->ctx, &cmd, DM_DMUB_WAIT_TYPE_WAIT);
-- 
2.35.3