linux-kernel - [PATCH] drm/amd/display: convert to use le16_add

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Date:   Mon, 10 Aug 2020 20:59:19 +0800
From:   Qinglang Miao <miaoqinglang@...wei.com>
To:     Harry Wentland <harry.wentland@....com>,
        Leo Li <sunpeng.li@....com>,
        "Greg Kroah-Hartman" <gregkh@...uxfoundation.org>
CC:     Alex Deucher <alexander.deucher@....com>,
        Christian König <christian.koenig@....com>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        <amd-gfx@...ts.freedesktop.org>, <miaoqinglang@...wei.com>,
        <dri-devel@...ts.freedesktop.org>, <linux-kernel@...r.kernel.org>
Subject: [PATCH] drm/amd/display: convert to use le16_add_cpu()

Convert cpu_to_le16(le16_to_cpu(E1) + E2) to use le16_add_cpu().

Signed-off-by: Qinglang Miao <miaoqinglang@...wei.com>
---
 drivers/gpu/drm/amd/display/dc/bios/command_table.c  | 4 +---
 drivers/gpu/drm/amd/display/dc/bios/command_table2.c | 5 +----
 2 files changed, 2 insertions(+), 7 deletions(-)

diff --git a/drivers/gpu/drm/amd/display/dc/bios/command_table.c b/drivers/gpu/drm/amd/display/dc/bios/command_table.c
index 5815983ca..070459e3e 100644
--- a/drivers/gpu/drm/amd/display/dc/bios/command_table.c
+++ b/drivers/gpu/drm/amd/display/dc/bios/command_table.c
@@ -1877,9 +1877,7 @@ static enum bp_result set_crtc_using_dtd_timing_v3(
 			 * but it is 4 either from Edid data (spec CEA 861)
 			 * or CEA timing table.
 			 */
-			params.usV_SyncOffset =
-					cpu_to_le16(le16_to_cpu(params.usV_SyncOffset) + 1);
-
+			le16_add_cpu(&params.usV_SyncOffset, 1);
 		}
 	}
 
diff --git a/drivers/gpu/drm/amd/display/dc/bios/command_table2.c b/drivers/gpu/drm/amd/display/dc/bios/command_table2.c
index bed91572f..e8f52eb8e 100644
--- a/drivers/gpu/drm/amd/display/dc/bios/command_table2.c
+++ b/drivers/gpu/drm/amd/display/dc/bios/command_table2.c
@@ -569,10 +569,7 @@ static enum bp_result set_crtc_using_dtd_timing_v3(
 			 * but it is 4 either from Edid data (spec CEA 861)
 			 * or CEA timing table.
 			 */
-			params.v_syncoffset =
-				cpu_to_le16(le16_to_cpu(params.v_syncoffset) +
-						1);
-
+			le16_add_cpu(&params.v_syncoffset, 1);
 		}
 	}
 
-- 
2.25.1