[PATCH i-g-t] tests/amdgpu/amd_replay: Skip test if no DRM DP AUX Interface

[Alex Hung]

Reviewed-by: Alex Hung <alex.hung at amd.com>

On 3/3/25 02:56, Tom Chung wrote:
> [Why]
> The Replay IGT test need to communicate with eDP via drm_dp_aux*
> Currently the test will report FAIL if no DRM DP AUX Interface
> found on the system.
> 
> [How]
> Skip the test if no DRM DP AUX Interface on the system and info
> the tester the DRM DP AUX Interface need to be enabled in kernel
> config to run the test.
> 
> The following setting in kernel config needs to be enabled for
> amd_replay test.
> 
> Linux Kernel Configuration
> └─>Device Drivers
> └─>Graphics support
> └─>Direct Rendering Manager
> └─>DRM DP AUX Interface
> 
> Signed-off-by: Tom Chung <chiahsuan.chung at amd.com>
> ---
>   tests/amdgpu/amd_replay.c | 2 ++
>   1 file changed, 2 insertions(+)
> 
> diff --git a/tests/amdgpu/amd_replay.c b/tests/amdgpu/amd_replay.c
> index db2ac2de9..500e8253e 100644
> --- a/tests/amdgpu/amd_replay.c
> +++ b/tests/amdgpu/amd_replay.c
> @@ -212,6 +212,8 @@ static bool dpcd_read_byte(int drm_fd,
>   	closedir(dir);
>   	close(dir_fd);
>   
> +	igt_skip("Missing /dev/drm_dp_aux*, check DRM_DISPLAY_DP_AUX_CHARDEV in kernel config\n");
> +
>   	return false;
>   }
>