drm/mipi-dbi: Move drm_mode_config_init into mipi library

7/7 drivers agree that's the right choice, let's do this.

This avoids duplicating the same old error checking code over all 7
drivers, which is the motivation here.

Acked-by: Sam Ravnborg <sam@ravnborg.org>
Reviewed-by: Noralf Trønnes <noralf@tronnes.org>
Tested-by: Noralf Trønnes <noralf@tronnes.org>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Cc: Maxime Ripard <mripard@kernel.org>
Cc: Thomas Zimmermann <tzimmermann@suse.de>
Cc: David Airlie <airlied@linux.ie>
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: Eric Anholt <eric@anholt.net>
Cc: David Lechner <david@lechnology.com>
Cc: Kamlesh Gurudasani <kamlesh.gurudasani@gmail.com>
Cc: "Noralf Trønnes" <noralf@tronnes.org>
Cc: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20200323144950.3018436-48-daniel.vetter@ffwll.ch

8 files changed, 4 insertions, 14 deletions

diff --git a/drivers/gpu/drm/drm_mipi_dbi.c b/drivers/gpu/drm/drm_mipi_dbi.c
index 44de8502a472..bef93191882c 100644
--- a/drivers/gpu/drm/drm_mipi_dbi.c
+++ b/drivers/gpu/drm/drm_mipi_dbi.c
@@ -511,6 +511,10 @@ int mipi_dbi_dev_init_with_formats(struct mipi_dbi_dev *dbidev,
 	if (!dbidev->dbi.command)
 		return -EINVAL;
 
+	ret = drm_mode_config_init(drm);
+	if (ret)
+		return ret;
+
 	dbidev->tx_buf = devm_kmalloc(drm->dev, tx_buf_size, GFP_KERNEL);
 	if (!dbidev->tx_buf)
 		return -ENOMEM;
diff --git a/drivers/gpu/drm/tiny/hx8357d.c b/drivers/gpu/drm/tiny/hx8357d.c
index 42bc5dadcb1c..c88b84366dc5 100644
--- a/drivers/gpu/drm/tiny/hx8357d.c
+++ b/drivers/gpu/drm/tiny/hx8357d.c
@@ -239,8 +239,6 @@ static int hx8357d_probe(struct spi_device *spi)
 	}
 	drmm_add_final_kfree(drm, dbidev);
 
-	drm_mode_config_init(drm);
-
 	dc = devm_gpiod_get(dev, "dc", GPIOD_OUT_LOW);
 	if (IS_ERR(dc)) {
 		DRM_DEV_ERROR(dev, "Failed to get gpio 'dc'\n");
diff --git a/drivers/gpu/drm/tiny/ili9225.c b/drivers/gpu/drm/tiny/ili9225.c
index aae88dc5b3f7..fa998a16026c 100644
--- a/drivers/gpu/drm/tiny/ili9225.c
+++ b/drivers/gpu/drm/tiny/ili9225.c
@@ -390,8 +390,6 @@ static int ili9225_probe(struct spi_device *spi)
 	}
 	drmm_add_final_kfree(drm, dbidev);
 
-	drm_mode_config_init(drm);
-
 	dbi->reset = devm_gpiod_get(dev, "reset", GPIOD_OUT_HIGH);
 	if (IS_ERR(dbi->reset)) {
 		DRM_DEV_ERROR(dev, "Failed to get gpio 'reset'\n");
diff --git a/drivers/gpu/drm/tiny/ili9341.c b/drivers/gpu/drm/tiny/ili9341.c
index 7d40cb4ff72b..945e15169866 100644
--- a/drivers/gpu/drm/tiny/ili9341.c
+++ b/drivers/gpu/drm/tiny/ili9341.c
@@ -197,8 +197,6 @@ static int ili9341_probe(struct spi_device *spi)
 	}
 	drmm_add_final_kfree(drm, dbidev);
 
-	drm_mode_config_init(drm);
-
 	dbi->reset = devm_gpiod_get_optional(dev, "reset", GPIOD_OUT_HIGH);
 	if (IS_ERR(dbi->reset)) {
 		DRM_DEV_ERROR(dev, "Failed to get gpio 'reset'\n");
diff --git a/drivers/gpu/drm/tiny/ili9486.c b/drivers/gpu/drm/tiny/ili9486.c
index 9515eed2625c..bf29b225d23a 100644
--- a/drivers/gpu/drm/tiny/ili9486.c
+++ b/drivers/gpu/drm/tiny/ili9486.c
@@ -211,8 +211,6 @@ static int ili9486_probe(struct spi_device *spi)
 	}
 	drmm_add_final_kfree(drm, dbidev);
 
-	drm_mode_config_init(drm);
-
 	dbi->reset = devm_gpiod_get(dev, "reset", GPIOD_OUT_HIGH);
 	if (IS_ERR(dbi->reset)) {
 		DRM_DEV_ERROR(dev, "Failed to get gpio 'reset'\n");
diff --git a/drivers/gpu/drm/tiny/mi0283qt.c b/drivers/gpu/drm/tiny/mi0283qt.c
index 8555a56bce8c..b8c973bc2347 100644
--- a/drivers/gpu/drm/tiny/mi0283qt.c
+++ b/drivers/gpu/drm/tiny/mi0283qt.c
@@ -201,8 +201,6 @@ static int mi0283qt_probe(struct spi_device *spi)
 	}
 	drmm_add_final_kfree(drm, dbidev);
 
-	drm_mode_config_init(drm);
-
 	dbi->reset = devm_gpiod_get_optional(dev, "reset", GPIOD_OUT_HIGH);
 	if (IS_ERR(dbi->reset)) {
 		DRM_DEV_ERROR(dev, "Failed to get gpio 'reset'\n");
diff --git a/drivers/gpu/drm/tiny/st7586.c b/drivers/gpu/drm/tiny/st7586.c
index 427c2561f5f4..1f1a576be93c 100644
--- a/drivers/gpu/drm/tiny/st7586.c
+++ b/drivers/gpu/drm/tiny/st7586.c
@@ -331,8 +331,6 @@ static int st7586_probe(struct spi_device *spi)
 	}
 	drmm_add_final_kfree(drm, dbidev);
 
-	drm_mode_config_init(drm);
-
 	bufsize = (st7586_mode.vdisplay + 2) / 3 * st7586_mode.hdisplay;
 
 	dbi->reset = devm_gpiod_get(dev, "reset", GPIOD_OUT_HIGH);
diff --git a/drivers/gpu/drm/tiny/st7735r.c b/drivers/gpu/drm/tiny/st7735r.c
index 079097569540..1371005ed4d0 100644
--- a/drivers/gpu/drm/tiny/st7735r.c
+++ b/drivers/gpu/drm/tiny/st7735r.c
@@ -212,8 +212,6 @@ static int st7735r_probe(struct spi_device *spi)
 	}
 	drmm_add_final_kfree(drm, dbidev);
 
-	drm_mode_config_init(drm);
-
 	dbi->reset = devm_gpiod_get(dev, "reset", GPIOD_OUT_HIGH);
 	if (IS_ERR(dbi->reset)) {
 		DRM_DEV_ERROR(dev, "Failed to get gpio 'reset'\n");