[PATCH v2 0/2] Init flow fixes for Samsung DSIM and TI SN65DSI84

[Frieder Schrempf]

From: Frieder Schrempf <frieder.schrempf at kontron.de>

This patchset contains a proposal to fix the initialization flow for
the display pipeline used on our i.MX8MM Kontron boards:

  i.MX8MM LCDIF -> i.MX8MM DSIM -> TI SN65DSI84 -> 7" LVDS Panel

Without these changes the display works most of the time, but fails
to come up occassionally when booting or doing on/off cycling tests
with:

  echo 0 > /sys/devices/platform/soc at 0/32c00000.bus/32e00000.lcdif/graphics/fb0/blank
  echo 1 > /sys/devices/platform/soc at 0/32c00000.bus/32e00000.lcdif/graphics/fb0/blank

All the changes intend to follow the documentation provided here:
https://docs.kernel.org/gpu/drm-kms-helpers.html#mipi-dsi-bridge-operation

Changes for v2:
* Drop RFC
* Drop non-working Exynos cleanup patch 3/3

Frieder Schrempf (2):
  drm: bridge: samsung-dsim: Fix i.MX8M enable flow to meet spec
  drm/bridge: ti-sn65dsi83: Fix enable/disable flow to meet spec

 drivers/gpu/drm/bridge/samsung-dsim.c | 25 +++++++++++++++++++++++--
 drivers/gpu/drm/bridge/ti-sn65dsi83.c | 19 ++++++++++++++++---
 2 files changed, 39 insertions(+), 5 deletions(-)

-- 
2.40.0