The hardware expect to have the infoframe checksum in the first byte. In consequence shift all infoframe on one byte.
Signed-off-by: Benjamin Gaignard benjamin.gaignard@linaro.org --- drivers/gpu/drm/sti/sti_hdmi.c | 33 +++++++++++++++++---------------- 1 file changed, 17 insertions(+), 16 deletions(-)
diff --git a/drivers/gpu/drm/sti/sti_hdmi.c b/drivers/gpu/drm/sti/sti_hdmi.c index 1921197..d032e02 100644 --- a/drivers/gpu/drm/sti/sti_hdmi.c +++ b/drivers/gpu/drm/sti/sti_hdmi.c @@ -272,31 +272,32 @@ static int hdmi_avi_infoframe_config(struct sti_hdmi *hdmi) hdmi_write(hdmi, val, HDMI_SW_DI_CFG);
/* Infoframe header */ - val = buffer[0x0]; - val |= buffer[0x1] << 8; - val |= buffer[0x2] << 16; + val = buffer[0]; + val |= buffer[1] << 8; + val |= buffer[2] << 16; hdmi_write(hdmi, val, HDMI_SW_DI_N_HEAD_WORD(HDMI_IFRAME_SLOT_AVI));
/* Infoframe packet bytes */ - val = frame[0x0]; - val |= frame[0x1] << 8; - val |= frame[0x2] << 16; - val |= frame[0x3] << 24; + val = buffer[3]; + val |= *(frame++) << 8; + val |= *(frame++) << 16; + val |= *(frame++) << 24; hdmi_write(hdmi, val, HDMI_SW_DI_N_PKT_WORD0(HDMI_IFRAME_SLOT_AVI));
- val = frame[0x4]; - val |= frame[0x5] << 8; - val |= frame[0x6] << 16; - val |= frame[0x7] << 24; + val = *(frame++); + val |= *(frame++) << 8; + val |= *(frame++) << 16; + val |= *(frame++) << 24; hdmi_write(hdmi, val, HDMI_SW_DI_N_PKT_WORD1(HDMI_IFRAME_SLOT_AVI));
- val = frame[0x8]; - val |= frame[0x9] << 8; - val |= frame[0xA] << 16; - val |= frame[0xB] << 24; + val = *(frame++); + val |= *(frame++) << 8; + val |= *(frame++) << 16; + val |= *(frame++) << 24; hdmi_write(hdmi, val, HDMI_SW_DI_N_PKT_WORD2(HDMI_IFRAME_SLOT_AVI));
- val = frame[0xC]; + val = *(frame++); + val |= *(frame) << 8; hdmi_write(hdmi, val, HDMI_SW_DI_N_PKT_WORD3(HDMI_IFRAME_SLOT_AVI));
/* Enable transmission slot for AVI infoframe