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drm/amdgpu: ensure the connector is not null before using it

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This resolves the dereference null return value warning
reported by Coverity.

Signed-off-by: Tim Huang <tim.huang@amd.com>
Reviewed-by: Jesse Zhang <jesse.zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Tim Huang
2024-08-07 17:33:42 +08:00
committed by Alex Deucher
parent 52755373ea
commit 0da531c82a
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/amd/amdgpu/amdgpu_display.c
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@@ -1474,7 +1474,7 @@ bool amdgpu_display_crtc_scaling_mode_fixup(struct drm_crtc *crtc,
if ((!(mode->flags & DRM_MODE_FLAG_INTERLACE)) &&
((amdgpu_encoder->underscan_type == UNDERSCAN_ON) ||
((amdgpu_encoder->underscan_type == UNDERSCAN_AUTO) &&
connector->display_info.is_hdmi &&
connector && connector->display_info.is_hdmi &&
amdgpu_display_is_hdtv_mode(mode)))) {
if (amdgpu_encoder->underscan_hborder != 0)
amdgpu_crtc->h_border = amdgpu_encoder->underscan_hborder;