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Date:   Mon, 4 May 2020 08:32:39 +1000
From:   Stephen Rothwell <sfr@...b.auug.org.au>
To:     Bjorn Andersson <bjorn.andersson@...aro.org>
Cc:     Rob Clark <robdclark@...il.com>, Sean Paul <sean@...rly.run>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        Jordan Crouse <jcrouse@...eaurora.org>,
        linux-arm-msm@...r.kernel.org, dri-devel@...ts.freedesktop.org,
        freedreno@...ts.freedesktop.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] drm/msm: Fix undefined "rd_full" link error

Hi all,

On Thu, 30 Apr 2020 12:24:27 -0700 Bjorn Andersson <bjorn.andersson@...aro.org> wrote:
>
> rd_full should be defined outside the CONFIG_DEBUG_FS region, in order
> to be able to link the msm driver even when CONFIG_DEBUG_FS is disabled.
> 
> Fixes: e515af8d4a6f ("drm/msm: devcoredump should dump MSM_SUBMIT_BO_DUMP buffers")
> Reported-by: Stephen Rothwell <sfr@...b.auug.org.au>
> Signed-off-by: Bjorn Andersson <bjorn.andersson@...aro.org>
> ---
>  drivers/gpu/drm/msm/msm_rd.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/gpu/drm/msm/msm_rd.c b/drivers/gpu/drm/msm/msm_rd.c
> index 732f65df5c4f..fea30e7aa9e8 100644
> --- a/drivers/gpu/drm/msm/msm_rd.c
> +++ b/drivers/gpu/drm/msm/msm_rd.c
> @@ -29,8 +29,6 @@
>   * or shader programs (if not emitted inline in cmdstream).
>   */
>  
> -#ifdef CONFIG_DEBUG_FS
> -
>  #include <linux/circ_buf.h>
>  #include <linux/debugfs.h>
>  #include <linux/kfifo.h>
> @@ -47,6 +45,8 @@ bool rd_full = false;
>  MODULE_PARM_DESC(rd_full, "If true, $debugfs/.../rd will snapshot all buffer contents");
>  module_param_named(rd_full, rd_full, bool, 0600);
>  
> +#ifdef CONFIG_DEBUG_FS
> +
>  enum rd_sect_type {
>  	RD_NONE,
>  	RD_TEST,       /* ascii text */
> -- 
> 2.24.0
> 

Added to my fixes tree form today.  I will remove it when it is merged
upstream through someone else's tree.

-- 
Cheers,
Stephen Rothwell

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