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drm/amd/display: Fix null pointer dereference in error message

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This patch fixes a null pointer dereference in the error message that is
printed when the Display Core (DC) fails to initialize. The original
message includes the DC version number, which is undefined if the DC is
not initialized.

Fixes: 9788d087ca ("drm/amd/display: improve the message printed when loading DC")
Signed-off-by: Cong Liu <liucong2@kylinos.cn>
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Cong Liu
2023-09-26 13:56:17 +08:00
committed by Alex Deucher
parent 554340133e
commit 0c3601a2fb
1 changed files with 1 additions and 2 deletions
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3
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
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@@ -1708,8 +1708,7 @@ static int amdgpu_dm_init(struct amdgpu_device *adev)
DRM_INFO("Display Core v%s initialized on %s\n", DC_VER,
dce_version_to_string(adev->dm.dc->ctx->dce_version));
} else {
DRM_INFO("Display Core v%s failed to initialize on %s\n", DC_VER,
dce_version_to_string(adev->dm.dc->ctx->dce_version));
DRM_INFO("Display Core failed to initialize with v%s!\n", DC_VER);
goto error;
}