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

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Date:   Tue, 24 Apr 2018 15:14:18 +0200
From:   Luc Van Oostenryck <luc.vanoostenryck@...il.com>
To:     linux-kernel@...r.kernel.org
Cc:     Luc Van Oostenryck <luc.vanoostenryck@...il.com>,
        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>,
        Harry Wentland <harry.wentland@....com>,
        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: [PATCH] drm/admgpu: fix mode_valid's return type

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>
---
 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,
-- 
2.17.0