linux-kernel - [PATCH] amd/display/amdgpu_dm: delete same check in if condition

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Message-Id: <20201110080318.36305-1-bernard@vivo.com>
Date:   Tue, 10 Nov 2020 00:03:13 -0800
From:   Bernard Zhao <bernard@...o.com>
To:     Harry Wentland <harry.wentland@....com>,
        Leo Li <sunpeng.li@....com>,
        Alex Deucher <alexander.deucher@....com>,
        Christian König <christian.koenig@....com>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        Nicholas Kazlauskas <nicholas.kazlauskas@....com>,
        Rodrigo Siqueira <Rodrigo.Siqueira@....com>,
        Mikita Lipski <mikita.lipski@....com>,
        Stylon Wang <stylon.wang@....com>,
        Bhawanpreet Lakha <Bhawanpreet.Lakha@....com>,
        Roman Li <Roman.Li@....com>, hersen wu <hersenxs.wu@....com>,
        Aurabindo Pillai <aurabindo.pillai@....com>,
        Alexander Monakov <amonakov@...ras.ru>,
        amd-gfx@...ts.freedesktop.org, dri-devel@...ts.freedesktop.org,
        linux-kernel@...r.kernel.org
Cc:     opensource.kernel@...o.com, Bernard Zhao <bernard@...o.com>
Subject: [PATCH] amd/display/amdgpu_dm: delete same check in if condition

In function amdgpu_dm_connector_get_modes, drm_edid_is_valid
will check weather (!edid), no need to check again in the if
branch.

Signed-off-by: Bernard Zhao <bernard@...o.com>
---
 drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
index e93e18c06c0e..0a283d07fe10 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -6352,7 +6352,7 @@ static int amdgpu_dm_connector_get_modes(struct drm_connector *connector)
 
 	encoder = amdgpu_dm_connector_to_encoder(connector);
 
-	if (!edid || !drm_edid_is_valid(edid)) {
+	if (!drm_edid_is_valid(edid)) {
 		amdgpu_dm_connector->num_modes =
 				drm_add_modes_noedid(connector, 640, 480);
 	} else {
-- 
2.29.0