]> git.ipfire.org Git - thirdparty/linux.git/commitdiff
drm/panel: kingdisplay-kd097d04: Disable EoTp
authorSebastian Fleer <dev@dwurp.de>
Wed, 29 Oct 2025 12:35:28 +0000 (13:35 +0100)
committerNeil Armstrong <neil.armstrong@linaro.org>
Wed, 29 Oct 2025 20:57:42 +0000 (21:57 +0100)
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
drivers/gpu/drm/panel/panel-kingdisplay-kd097d04.c

index 2fc7b0779b37b28c7ed2fba6b28459c8a9d27e70..893af9b1675679da82ea44555682d06c27ea18e5 100644 (file)
@@ -359,7 +359,7 @@ static int kingdisplay_panel_probe(struct mipi_dsi_device *dsi)
        dsi->lanes = 4;
        dsi->format = MIPI_DSI_FMT_RGB888;
        dsi->mode_flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_VIDEO_BURST |
-                         MIPI_DSI_MODE_LPM;
+                         MIPI_DSI_MODE_LPM | MIPI_DSI_MODE_NO_EOT_PACKET;
 
        kingdisplay = devm_drm_panel_alloc(&dsi->dev, __typeof(*kingdisplay), base,
                                           &kingdisplay_panel_funcs,