Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel os linux

drm/panel: kingdisplay-kd097d04: Disable EoTp

Since commit d97e71e44937 ("drm/bridge: synopsys: dw-mipi-dsi: enable EoTp by
default") panel output on an Acer Chromebook Tab 10 (google-dru) is corrupted.
The tablet I use is equipped with a kingdisplay-kd097d04 panel, disabling EoTp
restores the correct functionality.

Fixes: 2a994cbed6b2 ("drm/panel: Add Kingdisplay KD097D04 panel driver")
Suggested-by: Jens Reidel <adrian@postmarketos.org>
Signed-off-by: Sebastian Fleer <dev@dwurp.de>
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://lore.kernel.org/r/20251029124007.232333-1-dev@dwurp.de

authored by

Sebastian Fleer and committed by
Neil Armstrong
d8eb00bb 056d76f7

+1 -1
+1 -1
drivers/gpu/drm/panel/panel-kingdisplay-kd097d04.c
··· 359 359 dsi->lanes = 4; 360 360 dsi->format = MIPI_DSI_FMT_RGB888; 361 361 dsi->mode_flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_VIDEO_BURST | 362 - MIPI_DSI_MODE_LPM; 362 + MIPI_DSI_MODE_LPM | MIPI_DSI_MODE_NO_EOT_PACKET; 363 363 364 364 kingdisplay = devm_drm_panel_alloc(&dsi->dev, __typeof(*kingdisplay), base, 365 365 &kingdisplay_panel_funcs,