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| author | Noralf Trønnes <noralf@tronnes.org> | 2018-01-10 19:59:37 +0100 |
|---|---|---|
| committer | Noralf Trønnes <noralf@tronnes.org> | 2018-01-15 15:13:47 +0100 |
| commit | 070ab1283a57d7bfff5cce9ce58be64b90173a8f (patch) | |
| tree | 91b7b1c2eaaf799f8adf0fae7609ccee90e4d1e1 /drivers/gpu/drm/tinydrm/st7586.c | |
| parent | 22edc8d38ba5e912d0fd0d4d23ed268ae152c5ee (diff) | |
| download | linux-070ab1283a57d7bfff5cce9ce58be64b90173a8f.tar.bz2 | |
drm/tinydrm/mipi-dbi: Add poweron-reset functions
Split out common poweron-reset functionality.
Signed-off-by: Noralf Trønnes <noralf@tronnes.org>
Reviewed-by: David Lechner <david@lechnology.com>
Tested-by: David Lechner <david@lechnology.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180110185940.53841-5-noralf@tronnes.org
Diffstat (limited to 'drivers/gpu/drm/tinydrm/st7586.c')
| -rw-r--r-- | drivers/gpu/drm/tinydrm/st7586.c | 9 |
1 files changed, 3 insertions, 6 deletions
diff --git a/drivers/gpu/drm/tinydrm/st7586.c b/drivers/gpu/drm/tinydrm/st7586.c index 9fd4423c8e70..a6396ef9cc4a 100644 --- a/drivers/gpu/drm/tinydrm/st7586.c +++ b/drivers/gpu/drm/tinydrm/st7586.c @@ -179,19 +179,16 @@ static void st7586_pipe_enable(struct drm_simple_display_pipe *pipe, { struct tinydrm_device *tdev = pipe_to_tinydrm(pipe); struct mipi_dbi *mipi = mipi_dbi_from_tinydrm(tdev); - struct device *dev = tdev->drm->dev; int ret; u8 addr_mode; DRM_DEBUG_KMS("\n"); - mipi_dbi_hw_reset(mipi); - ret = mipi_dbi_command(mipi, ST7586_AUTO_READ_CTRL, 0x9f); - if (ret) { - DRM_DEV_ERROR(dev, "Error sending command %d\n", ret); + ret = mipi_dbi_poweron_reset(mipi); + if (ret) return; - } + mipi_dbi_command(mipi, ST7586_AUTO_READ_CTRL, 0x9f); mipi_dbi_command(mipi, ST7586_OTP_RW_CTRL, 0x00); msleep(10); |