[PATCH] drm/amd/display: Fix "dc has no member named dml" compile error

[Kazlauskas, Nicholas]

On 3/21/19 10:44 AM, sunpeng.li at amd.com wrote:
> From: Leo Li <sunpeng.li at amd.com>
> 
> For DCN disabled builds, dc->dml is stripped out. Therefore, guard usage
> in dc_create_state() with CONFIG_DRM_AMD_DC_DCN1_0.
> 
> It fixes the following error:
> 
> drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc.c: In function 'dc_create_state':
>>> drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc.c:1237:34: error: 'struct dc' has no member named 'dml'
>       memcpy(&context->bw_ctx.dml, &dc->dml, sizeof(struct display_mode_lib));
>                                       ^~
> 
> Signed-off-by: Leo Li <sunpeng.li at amd.com>
> CC: Alex Deucher <alexdeucher at gmail.com>
> CC: Harry Wentland <Harry.Wentland at amd.com>
> CC: Nicholas Kazlauskas <nicholas.kazlauskas at amd.com>
> ---

Reviewed-by: Nicholas Kazlauskas <nicholas.kazlauskas at amd.com>

I think this is the only place left unguarded at least.

>   drivers/gpu/drm/amd/display/dc/core/dc.c | 2 ++
>   1 file changed, 2 insertions(+)
> 
> diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c
> index cebd083..589cd95 100644
> --- a/drivers/gpu/drm/amd/display/dc/core/dc.c
> +++ b/drivers/gpu/drm/amd/display/dc/core/dc.c
> @@ -1245,7 +1245,9 @@ struct dc_state *dc_create_state(struct dc *dc)
>   	 * initialize and obtain IP and SOC the base DML instance from DC is
>   	 * initially copied into every context
>   	 */
> +#ifdef CONFIG_DRM_AMD_DC_DCN1_0
>   	memcpy(&context->bw_ctx.dml, &dc->dml, sizeof(struct display_mode_lib));
> +#endif
>   
>   	kref_init(&context->refcount);
>   
>