On 02/02/2024 01:10, Jessica Zhang wrote:
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 <[email protected]>
---
To: Neil Armstrong <[email protected]>
To: Sam Ravnborg <[email protected]>
To: David Airlie <[email protected]>
To: Daniel Vetter <[email protected]>
To: Jessica Zhang <[email protected]>
To: Maarten Lankhorst <[email protected]>
To: Maxime Ripard <[email protected]>
To: Thomas Zimmermann <[email protected]>
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]

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/[email protected]
---
  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,

Thx for resending, it's time to merge those.

Acked-by: Neil Armstrong <[email protected]>

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