[PATCH] drm/amd/display:: Fix NULL pointer in Raven hotplug

Harry Wentland harry.wentland at amd.com
Fri Oct 20 20:48:03 UTC 2017


On 2017-10-20 04:45 PM, Jerry (Fangzhi) Zuo wrote:
> Programming sequence to frontend and backend has been switched.
> In such case, program_scaler() is getting called when programming
> frontend, and should be removed from backend programming routine.
> 
> Signed-off-by: Jerry (Fangzhi) Zuo <Jerry.Zuo at amd.com>

Reviewed-by: Harry Wentland <harry.wentland at amd.com>

Harry

> ---
>  drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c | 7 -------
>  1 file changed, 7 deletions(-)
> 
> diff --git a/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c b/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c
> index 6c220a213ff2..9a93228718f4 100644
> --- a/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c
> +++ b/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c
> @@ -1369,13 +1369,6 @@ static enum dc_status apply_single_controller_ctx_to_hw(
>  	}
>  
>  	pipe_ctx->plane_res.scl_data.lb_params.alpha_en = pipe_ctx->bottom_pipe != 0;
> -	/* program_scaler and allocate_mem_input are not new asic */
> -	if ((!pipe_ctx_old ||
> -	     memcmp(&pipe_ctx_old->plane_res.scl_data, &pipe_ctx->plane_res.scl_data,
> -		    sizeof(struct scaler_data)) != 0) &&
> -	     pipe_ctx->plane_state) {
> -		program_scaler(dc, pipe_ctx);
> -	}
>  
>  	pipe_ctx->stream->sink->link->psr_enabled = false;
>  
> 


More information about the amd-gfx mailing list