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>

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