The DSI host must be enabled for the panel to be initialized in prepare(). Set the prepare_prev_first flag to guarantee this. Signed-off-by: Jessica Zhang <quic_jesszhan@xxxxxxxxxxx> --- To: Neil Armstrong <neil.armstrong@xxxxxxxxxx> To: Sam Ravnborg <sam@xxxxxxxxxxxx> To: David Airlie <airlied@xxxxxxxxx> To: Daniel Vetter <daniel@xxxxxxxx> To: Jessica Zhang <quic_jesszhan@xxxxxxxxxxx> To: Maarten Lankhorst <maarten.lankhorst@xxxxxxxxxxxxxxx> To: Maxime Ripard <mripard@xxxxxxxxxx> To: Thomas Zimmermann <tzimmermann@xxxxxxx> Cc: quic_abhinavk@xxxxxxxxxxx Cc: quic_parellan@xxxxxxxxxxx Cc: dri-devel@xxxxxxxxxxxxxxxxxxxxx Cc: linux-kernel@xxxxxxxxxxxxxxx Changes in v2: - Corrected commit message to mention that DCS on commands are sent during prepare() instead of probe() - Dropped Fixes tag - Rebased onto tip of linux-next - Link to v1: https://lore.kernel.org/r/20230725-visionox-vtdr-prev-first-v1-1-3bc44cec7dc6@xxxxxxxxxxx --- drivers/gpu/drm/panel/panel-visionox-vtdr6130.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/gpu/drm/panel/panel-visionox-vtdr6130.c b/drivers/gpu/drm/panel/panel-visionox-vtdr6130.c index a23407b9f6fb6..540099253e1bd 100644 --- a/drivers/gpu/drm/panel/panel-visionox-vtdr6130.c +++ b/drivers/gpu/drm/panel/panel-visionox-vtdr6130.c @@ -287,6 +287,7 @@ static int visionox_vtdr6130_probe(struct mipi_dsi_device *dsi) dsi->format = MIPI_DSI_FMT_RGB888; dsi->mode_flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_NO_EOT_PACKET | MIPI_DSI_CLOCK_NON_CONTINUOUS; + ctx->panel.prepare_prev_first = true; drm_panel_init(&ctx->panel, dev, &visionox_vtdr6130_panel_funcs, DRM_MODE_CONNECTOR_DSI); --- base-commit: 51b70ff55ed88edd19b080a524063446bcc34b62 change-id: 20230717-visionox-vtdr-prev-first-e00ae02eec9f Best regards, -- Jessica Zhang <quic_jesszhan@xxxxxxxxxxx>
