6.6-stable review patch. If anyone has any objections, please let me know.
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From: Marijn Suijten marijn.suijten@somainline.org
[ Upstream commit 2b973ca48ff3ef1952091c8f988d7796781836c8 ]
The DSI host must be enabled before our prepare function can run, which has to send its init sequence over DSI. Without enabling the host first the panel will not probe.
Fixes: 9e15123eca79 ("drm/msm/dsi: Stop unconditionally powering up DSI hosts at modeset") Signed-off-by: Marijn Suijten marijn.suijten@somainline.org Reviewed-by: Douglas Anderson dianders@chromium.org Reviewed-by: AngeloGioacchino Del Regno angelogioacchino.delregno@collabora.com Reviewed-by: Martin Botka martin.botka@somainline.org Signed-off-by: Douglas Anderson dianders@chromium.org Link: https://patch.msgid.link/20251130-sony-akari-fix-panel-v1-1-1d27c60a55f5@som... Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/gpu/drm/panel/panel-sony-td4353-jdi.c | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/drivers/gpu/drm/panel/panel-sony-td4353-jdi.c b/drivers/gpu/drm/panel/panel-sony-td4353-jdi.c index 1bde2f01786b..e7383a0e3d36 100644 --- a/drivers/gpu/drm/panel/panel-sony-td4353-jdi.c +++ b/drivers/gpu/drm/panel/panel-sony-td4353-jdi.c @@ -283,6 +283,8 @@ static int sony_td4353_jdi_probe(struct mipi_dsi_device *dsi) if (ret) return dev_err_probe(dev, ret, "Failed to get backlight\n");
+ ctx->panel.prepare_prev_first = true; + drm_panel_add(&ctx->panel);
ret = mipi_dsi_attach(dsi);