linux-kernel - Re: [PATCH] drm/admgpu: fix mode

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Message-ID: <2c8949f5-0721-0a87-bfda-c483ebda9856@amd.com>
Date:   Tue, 24 Apr 2018 10:21:56 -0400
From:   Harry Wentland <harry.wentland@....com>
To:     Luc Van Oostenryck <luc.vanoostenryck@...il.com>,
        linux-kernel@...r.kernel.org
Cc:     Alex Deucher <alexander.deucher@....com>,
        Christian König <christian.koenig@....com>,
        "David (ChunMing) Zhou" <David1.Zhou@....com>,
        David Airlie <airlied@...ux.ie>,
        Michel Dänzer <michel.daenzer@....com>,
        Dave Airlie <airlied@...hat.com>,
        Samuel Li <Samuel.Li@....com>,
        Himanshu Jha <himanshujha199640@...il.com>,
        Jani Nikula <jani.nikula@...el.com>,
        Lukas Wunner <lukas@...ner.de>,
        Keith Packard <keithp@...thp.com>,
        Daniel Vetter <daniel.vetter@...ll.ch>,
        Monk Liu <Monk.Liu@....com>,
        Masahiro Yamada <yamada.masahiro@...ionext.com>,
        Peter Rosin <peda@...ntia.se>,
        Andrey Grodzovsky <andrey.grodzovsky@....com>,
        Tony Cheng <Tony.Cheng@....com>,
        "Leo (Sunpeng) Li" <sunpeng.li@....com>,
        Shirish S <shirish.s@....com>,
        "Jerry (Fangzhi) Zuo" <Jerry.Zuo@....com>,
        amd-gfx@...ts.freedesktop.org, dri-devel@...ts.freedesktop.org
Subject: Re: [PATCH] drm/admgpu: fix mode_valid's return type

On 2018-04-24 09:14 AM, Luc Van Oostenryck wrote:
> The method struct drm_connector_helper_funcs::mode_valid is defined
> as returning an 'enum drm_mode_status' but the driver implementation
> for this method uses an 'int' for it.
> 
> Fix this by using 'enum drm_mode_status' in the driver too.
> 
> Signed-off-by: Luc Van Oostenryck <luc.vanoostenryck@...il.com>

amd-gfx mailing list should be sufficient for changes like these.

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

Harry

> ---
>  drivers/gpu/drm/amd/amdgpu/amdgpu_connectors.c    | 8 ++++----
>  drivers/gpu/drm/amd/amdgpu/dce_virtual.c          | 2 +-
>  drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 2 +-
>  drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h | 2 +-
>  4 files changed, 7 insertions(+), 7 deletions(-)
> 
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_connectors.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_connectors.c
> index 96501ff0e..8e66851eb 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_connectors.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_connectors.c
> @@ -691,7 +691,7 @@ static int amdgpu_connector_lvds_get_modes(struct drm_connector *connector)
>  	return ret;
>  }
>  
> -static int amdgpu_connector_lvds_mode_valid(struct drm_connector *connector,
> +static enum drm_mode_status amdgpu_connector_lvds_mode_valid(struct drm_connector *connector,
>  					     struct drm_display_mode *mode)
>  {
>  	struct drm_encoder *encoder = amdgpu_connector_best_single_encoder(connector);
> @@ -843,7 +843,7 @@ static int amdgpu_connector_vga_get_modes(struct drm_connector *connector)
>  	return ret;
>  }
>  
> -static int amdgpu_connector_vga_mode_valid(struct drm_connector *connector,
> +static enum drm_mode_status amdgpu_connector_vga_mode_valid(struct drm_connector *connector,
>  					    struct drm_display_mode *mode)
>  {
>  	struct drm_device *dev = connector->dev;
> @@ -1172,7 +1172,7 @@ static void amdgpu_connector_dvi_force(struct drm_connector *connector)
>  		amdgpu_connector->use_digital = true;
>  }
>  
> -static int amdgpu_connector_dvi_mode_valid(struct drm_connector *connector,
> +static enum drm_mode_status amdgpu_connector_dvi_mode_valid(struct drm_connector *connector,
>  					    struct drm_display_mode *mode)
>  {
>  	struct drm_device *dev = connector->dev;
> @@ -1448,7 +1448,7 @@ amdgpu_connector_dp_detect(struct drm_connector *connector, bool force)
>  	return ret;
>  }
>  
> -static int amdgpu_connector_dp_mode_valid(struct drm_connector *connector,
> +static enum drm_mode_status amdgpu_connector_dp_mode_valid(struct drm_connector *connector,
>  					   struct drm_display_mode *mode)
>  {
>  	struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
> diff --git a/drivers/gpu/drm/amd/amdgpu/dce_virtual.c b/drivers/gpu/drm/amd/amdgpu/dce_virtual.c
> index b51f05dc9..476c9b987 100644
> --- a/drivers/gpu/drm/amd/amdgpu/dce_virtual.c
> +++ b/drivers/gpu/drm/amd/amdgpu/dce_virtual.c
> @@ -329,7 +329,7 @@ static int dce_virtual_get_modes(struct drm_connector *connector)
>  	return 0;
>  }
>  
> -static int dce_virtual_mode_valid(struct drm_connector *connector,
> +static enum drm_mode_status dce_virtual_mode_valid(struct drm_connector *connector,
>  				  struct drm_display_mode *mode)
>  {
>  	return MODE_OK;
> diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
> index 4e2f379ce..d7e52c4f6 100644
> --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
> +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
> @@ -2855,7 +2855,7 @@ static void handle_edid_mgmt(struct amdgpu_dm_connector *aconnector)
>  	create_eml_sink(aconnector);
>  }
>  
> -int amdgpu_dm_connector_mode_valid(struct drm_connector *connector,
> +enum drm_mode_status amdgpu_dm_connector_mode_valid(struct drm_connector *connector,
>  				   struct drm_display_mode *mode)
>  {
>  	int result = MODE_ERROR;
> diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h
> index b68400c11..cb7e20cb3 100644
> --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h
> +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h
> @@ -246,7 +246,7 @@ void amdgpu_dm_connector_init_helper(struct amdgpu_display_manager *dm,
>  				     struct dc_link *link,
>  				     int link_index);
>  
> -int amdgpu_dm_connector_mode_valid(struct drm_connector *connector,
> +enum drm_mode_status amdgpu_dm_connector_mode_valid(struct drm_connector *connector,
>  				   struct drm_display_mode *mode);
>  
>  void dm_restore_drm_connector_state(struct drm_device *dev,
>