Dear Yannick, Many thanks for your patch.

Reviewed-by: Philippe Cornu philippe.cornu@st.com Tested-by: Philippe Cornu philippe.cornu@st.com

Best regards, Philippe

On 3/21/19 9:04 AM, Yannick Fertré wrote:

At the end of initialization, a delay is required by the panel. Without this delay, the panel could received a frame early & generate a crash of panel (black screen).

Signed-off-by: Yannick Fertré yannick.fertre@st.com

drivers/gpu/drm/panel/panel-orisetech-otm8009a.c | 3 +++ 1 file changed, 3 insertions(+)

diff --git a/drivers/gpu/drm/panel/panel-orisetech-otm8009a.c b/drivers/gpu/drm/panel/panel-orisetech-otm8009a.c index 87fa316..58ccf64 100644 --- a/drivers/gpu/drm/panel/panel-orisetech-otm8009a.c +++ b/drivers/gpu/drm/panel/panel-orisetech-otm8009a.c @@ -248,6 +248,9 @@ static int otm8009a_init_sequence(struct otm8009a *ctx) /* Send Command GRAM memory write (no parameters) */ dcs_write_seq(ctx, MIPI_DCS_WRITE_MEMORY_START);

• /* Wait a short while to let the panel be ready before the 1st frame */
• mdelay(10);
• return 0; }