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Date:   Wed, 9 Jan 2019 22:54:43 +0100
From:   Daniel Vetter <daniel@ffwll.ch>
To:     Sam Ravnborg <sam@ravnborg.org>
Cc:     Daniel Vetter <daniel@ffwll.ch>, David Airlie <airlied@linux.ie>,
        Maarten Lankhorst <maarten.lankhorst@linux.intel.com>,
        Maxime Ripard <maxime.ripard@bootlin.com>,
        Sean Paul <sean@poorly.run>,
        David Lechner <david@lechnology.com>,
        Laurent Pinchart <laurent.pinchart@ideasonboard.com>,
        Noralf =?iso-8859-1?Q?Tr=F8nnes?= <noralf@tronnes.org>,
        linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org
Subject: Re: [PATCH v3 05/12] drm: move EXPORT_SYMBOL_FOR_TESTS_ONLY to
 drm_util.h
Message-ID: <20190109215443.GA21184@phenom.ffwll.local>
Mail-Followup-To: Sam Ravnborg <sam@ravnborg.org>,
        David Airlie <airlied@linux.ie>,
        Maarten Lankhorst <maarten.lankhorst@linux.intel.com>,
        Maxime Ripard <maxime.ripard@bootlin.com>,
        Sean Paul <sean@poorly.run>, David Lechner <david@lechnology.com>,
        Laurent Pinchart <laurent.pinchart@ideasonboard.com>,
        Noralf =?iso-8859-1?Q?Tr=F8nnes?= <noralf@tronnes.org>,
        linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org
References: <20190108192939.15255-1-sam@ravnborg.org>
 <20190108192939.15255-6-sam@ravnborg.org>
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On Tue, Jan 08, 2019 at 08:29:32PM +0100, Sam Ravnborg wrote:
> In the quest to get rid of drmP.h move the newly
> added EXPORT_SYMBOL_FOR_TESTS_ONLY to drm_util.h.
> Fix the single user.
> 
> Add a note to drmP.h to avoid further use of it.
> 
> Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
> Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
> Cc: Maxime Ripard <maxime.ripard@bootlin.com>
> Cc: Sean Paul <sean@poorly.run>
> Cc: David Airlie <airlied@linux.ie>
> Cc: Daniel Vetter <daniel@ffwll.ch>

Skipping this one for now, since it doesn't apply cleanly without patch 4.
Seems like none of the later patches requires it.
-Daniel

> ---
>  drivers/gpu/drm/drm_framebuffer.c |  1 +
>  include/drm/drmP.h                | 11 ++++++-----
>  include/drm/drm_util.h            | 10 ++++++++++
>  3 files changed, 17 insertions(+), 5 deletions(-)
> 
> diff --git a/drivers/gpu/drm/drm_framebuffer.c b/drivers/gpu/drm/drm_framebuffer.c
> index fcaea8f50513..7abcb265a108 100644
> --- a/drivers/gpu/drm/drm_framebuffer.c
> +++ b/drivers/gpu/drm/drm_framebuffer.c
> @@ -27,6 +27,7 @@
>  #include <drm/drm_atomic.h>
>  #include <drm/drm_atomic_uapi.h>
>  #include <drm/drm_print.h>
> +#include <drm/drm_util.h>
>  
>  #include "drm_internal.h"
>  #include "drm_crtc_internal.h"
> diff --git a/include/drm/drmP.h b/include/drm/drmP.h
> index bc4cb3732407..3f5c577c9dbd 100644
> --- a/include/drm/drmP.h
> +++ b/include/drm/drmP.h
> @@ -94,10 +94,11 @@ struct dma_buf_attachment;
>  struct pci_dev;
>  struct pci_controller;
>  
> -#if defined(CONFIG_DRM_DEBUG_SELFTEST_MODULE)
> -#define EXPORT_SYMBOL_FOR_TESTS_ONLY(x) EXPORT_SYMBOL(x)
> -#else
> -#define EXPORT_SYMBOL_FOR_TESTS_ONLY(x)
> -#endif
> +/*
> + * NOTE: drmP.h is obsolete - do NOT add anything to this file
> + *
> + * Do not include drmP.h in new files.
> + * Work is ongoing to remove drmP.h includes from existing files
> + */
>  
>  #endif
> diff --git a/include/drm/drm_util.h b/include/drm/drm_util.h
> index 8fda5777471c..cd1e4be1dfb3 100644
> --- a/include/drm/drm_util.h
> +++ b/include/drm/drm_util.h
> @@ -37,6 +37,16 @@
>  #include <linux/kgdb.h>
>  #include <linux/smp.h>
>  
> +/*
> + * Use EXPORT_SYMBOL_FOR_TESTS_ONLY() for functions that shall
> + * only be visible for drmselftests.
> + */
> +#if defined(CONFIG_DRM_DEBUG_SELFTEST_MODULE)
> +#define EXPORT_SYMBOL_FOR_TESTS_ONLY(x) EXPORT_SYMBOL(x)
> +#else
> +#define EXPORT_SYMBOL_FOR_TESTS_ONLY(x)
> +#endif
> +
>  /**
>   * for_each_if - helper for handling conditionals in various for_each macros
>   * @condition The condition to check
> -- 
> 2.12.0
> 

-- 
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch