| Message ID | 20230503163313.2640898-1-frieder@fris.de (mailing list archive) |
|---|---|
| Headers | show |
| Series | Init flow fixes for Samsung DSIM and TI SN65DSI84 | expand |
Hi, On Wed, 03 May 2023 18:33:05 +0200, Frieder Schrempf wrote: > From: Frieder Schrempf <frieder.schrempf@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 > > [...] Thanks, Applied to https://anongit.freedesktop.org/git/drm/drm-misc.git (drm-misc-next) [1/2] drm: bridge: samsung-dsim: Fix i.MX8M enable flow to meet spec https://cgit.freedesktop.org/drm/drm-misc/commit/?id=0c14d3130654fe459fca3067d2d4317fc607bc71 [2/2] drm/bridge: ti-sn65dsi83: Fix enable/disable flow to meet spec https://cgit.freedesktop.org/drm/drm-misc/commit/?id=dd9e329af7236e34c566d3705ea32a63069b9b13
From: Frieder Schrempf <frieder.schrempf@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@0/32c00000.bus/32e00000.lcdif/graphics/fb0/blank echo 1 > /sys/devices/platform/soc@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(-)