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authorBenjamin Gaignard <benjamin.gaignard@linaro.org>2014-12-04 11:26:59 +0100
committerBenjamin Gaignard <benjamin.gaignard@linaro.org>2014-12-11 13:59:31 +0100
commit589b347b54932b2cd2f50845166c95f3981aa7db (patch)
tree496943db0f67908c390542c9761f8e9aabfbb049 /drivers/gpu/drm/sti
parenteb929dc4d36db7881bbf90d5532b024615f64c0f (diff)
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>
Diffstat (limited to 'drivers/gpu/drm/sti')
-rw-r--r--drivers/gpu/drm/sti/sti_hdmi.c33
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