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| author | Benjamin Gaignard <benjamin.gaignard@linaro.org> | 2014-12-04 11:26:59 +0100 |
|---|---|---|
| committer | Benjamin Gaignard <benjamin.gaignard@linaro.org> | 2014-12-11 13:59:31 +0100 |
| commit | 589b347b54932b2cd2f50845166c95f3981aa7db (patch) | |
| tree | 496943db0f67908c390542c9761f8e9aabfbb049 | |
| parent | eb929dc4d36db7881bbf90d5532b024615f64c0f (diff) | |
| download | linux-589b347b54932b2cd2f50845166c95f3981aa7db.tar.bz2 | |
drm: sti: fix hdmi avi infoframe
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>
| -rw-r--r-- | drivers/gpu/drm/sti/sti_hdmi.c | 33 |
1 files changed, 17 insertions, 16 deletions
diff --git a/drivers/gpu/drm/sti/sti_hdmi.c b/drivers/gpu/drm/sti/sti_hdmi.c index 192119761c14..d032e024b0b8 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 |