linux-kernel - [PATCH] drm/amd/display: Simplify the calculation of variables

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Date:   Fri, 12 May 2023 15:04:51 +0800
From:   Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>
To:     harry.wentland@....com
Cc:     sunpeng.li@....com, Rodrigo.Siqueira@....com,
        alexander.deucher@....com, christian.koenig@....com,
        Xinhui.Pan@....com, airlied@...il.com, daniel@...ll.ch,
        amd-gfx@...ts.freedesktop.org, dri-devel@...ts.freedesktop.org,
        linux-kernel@...r.kernel.org,
        Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>,
        Abaci Robot <abaci@...ux.alibaba.com>
Subject: [PATCH] drm/amd/display: Simplify the calculation of variables

./drivers/gpu/drm/amd/display/dc/dcn32/dcn32_hwseq.c:586:37-39: WARNING !A || A && B is equivalent to !A || B.
./drivers/gpu/drm/amd/display/dc/dcn32/dcn32_hwseq.c:595:37-39: WARNING !A || A && B is equivalent to !A || B.

Reported-by: Abaci Robot <abaci@...ux.alibaba.com>
Link: https://bugzilla.openanolis.cn/show_bug.cgi?id=4941
Signed-off-by: Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>
---
 drivers/gpu/drm/amd/display/dc/dcn32/dcn32_hwseq.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_hwseq.c b/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_hwseq.c
index 4950eaa4406b..2de910e0ce75 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_hwseq.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_hwseq.c
@@ -583,8 +583,8 @@ void dcn32_update_force_pstate(struct dc *dc, struct dc_state *context)
 		struct pipe_ctx *pipe = &context->res_ctx.pipe_ctx[i];
 		struct hubp *hubp = pipe->plane_res.hubp;
 
-		if (!pipe->stream || (pipe->stream && !(pipe->stream->mall_stream_config.type == SUBVP_MAIN ||
-						pipe->stream->fpo_in_use))) {
+		if (!pipe->stream || !(pipe->stream->mall_stream_config.type == SUBVP_MAIN ||
+		    pipe->stream->fpo_in_use)) {
 			if (hubp && hubp->funcs->hubp_update_force_pstate_disallow)
 				hubp->funcs->hubp_update_force_pstate_disallow(hubp, false);
 		}
@@ -592,7 +592,7 @@ void dcn32_update_force_pstate(struct dc *dc, struct dc_state *context)
 		/* Today only FPO uses cursor P-State force. Only clear cursor P-State force
 		 * if it's not FPO.
 		 */
-		if (!pipe->stream || (pipe->stream && !pipe->stream->fpo_in_use)) {
+		if (!pipe->stream || !pipe->stream->fpo_in_use) {
 			if (hubp && hubp->funcs->hubp_update_force_cursor_pstate_disallow)
 				hubp->funcs->hubp_update_force_cursor_pstate_disallow(hubp, false);
 		}
-- 
2.20.1.7.g153144c