From: David Lechner <david@lechnology.com>
Date: Thu, 3 Aug 2017 17:33:45 -0500
Subject: drm/tinydrm: remove call to mipi_dbi_init() from mipi_dbi_spi_init()
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Git-commit: ace988123c3b5cff5f64dabb7b4decf8212242a4
Patch-mainline: v4.14-rc1
References: FATE#326289 FATE#326079 FATE#326049 FATE#322398 FATE#326166
This removes the call to mipi_dbi_init() from mipi_dbi_spi_init() so that
drivers can have a driver-specific implementation if needed.
Suggested-by: Noralf Trønnes <noralf@tronnes.org>
Signed-off-by: David Lechner <david@lechnology.com>
Reviewed-by: Noralf Trønnes <noralf@tronnes.org>
Signed-off-by: Noralf Trønnes <noralf@tronnes.org>
Link: https://patchwork.freedesktop.org/patch/msgid/1501799630-1650-2-git-send-email-david@lechnology.com
Acked-by: Petr Tesarik <ptesarik@suse.com>
---
drivers/gpu/drm/tinydrm/mi0283qt.c | 8 ++++++--
drivers/gpu/drm/tinydrm/mipi-dbi.c | 17 +++++------------
include/drm/tinydrm/mipi-dbi.h | 6 +-----
3 files changed, 12 insertions(+), 19 deletions(-)
--- a/drivers/gpu/drm/tinydrm/mi0283qt.c
+++ b/drivers/gpu/drm/tinydrm/mi0283qt.c
@@ -195,8 +195,12 @@ static int mi0283qt_probe(struct spi_dev
device_property_read_u32(dev, "rotation", &rotation);
- ret = mipi_dbi_spi_init(spi, mipi, dc, &mi0283qt_pipe_funcs,
- &mi0283qt_driver, &mi0283qt_mode, rotation);
+ ret = mipi_dbi_spi_init(spi, mipi, dc);
+ if (ret)
+ return ret;
+
+ ret = mipi_dbi_init(&spi->dev, mipi, &mi0283qt_pipe_funcs,
+ &mi0283qt_driver, &mi0283qt_mode, rotation);
if (ret)
return ret;
--- a/drivers/gpu/drm/tinydrm/mipi-dbi.c
+++ b/drivers/gpu/drm/tinydrm/mipi-dbi.c
@@ -776,15 +776,12 @@ static int mipi_dbi_typec3_command(struc
/**
* mipi_dbi_spi_init - Initialize MIPI DBI SPI interfaced controller
* @spi: SPI device
- * @dc: D/C gpio (optional)
* @mipi: &mipi_dbi structure to initialize
- * @pipe_funcs: Display pipe functions
- * @driver: DRM driver
- * @mode: Display mode
- * @rotation: Initial rotation in degrees Counter Clock Wise
+ * @dc: D/C gpio (optional)
*
* This function sets &mipi_dbi->command, enables &mipi->read_commands for the
- * usual read commands and initializes @mipi using mipi_dbi_init().
+ * usual read commands. It should be followed by a call to mipi_dbi_init() or
+ * a driver-specific init.
*
* If @dc is set, a Type C Option 3 interface is assumed, if not
* Type C Option 1.
@@ -799,11 +796,7 @@ static int mipi_dbi_typec3_command(struc
* Zero on success, negative error code on failure.
*/
int mipi_dbi_spi_init(struct spi_device *spi, struct mipi_dbi *mipi,
- struct gpio_desc *dc,
- const struct drm_simple_display_pipe_funcs *pipe_funcs,
- struct drm_driver *driver,
- const struct drm_display_mode *mode,
- unsigned int rotation)
+ struct gpio_desc *dc)
{
size_t tx_size = tinydrm_spi_max_transfer_size(spi, 0);
struct device *dev = &spi->dev;
@@ -849,7 +842,7 @@ int mipi_dbi_spi_init(struct spi_device
return -ENOMEM;
}
- return mipi_dbi_init(dev, mipi, pipe_funcs, driver, mode, rotation);
+ return 0;
}
EXPORT_SYMBOL(mipi_dbi_spi_init);
--- a/include/drm/tinydrm/mipi-dbi.h
+++ b/include/drm/tinydrm/mipi-dbi.h
@@ -62,11 +62,7 @@ mipi_dbi_from_tinydrm(struct tinydrm_dev
}
int mipi_dbi_spi_init(struct spi_device *spi, struct mipi_dbi *mipi,
- struct gpio_desc *dc,
- const struct drm_simple_display_pipe_funcs *pipe_funcs,
- struct drm_driver *driver,
- const struct drm_display_mode *mode,
- unsigned int rotation);
+ struct gpio_desc *dc);
int mipi_dbi_init(struct device *dev, struct mipi_dbi *mipi,
const struct drm_simple_display_pipe_funcs *pipe_funcs,
struct drm_driver *driver,