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Commit 589b347b authored by Benjamin Gaignard's avatar Benjamin Gaignard
Browse files

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: default avatarBenjamin Gaignard <benjamin.gaignard@linaro.org>
parent eb929dc4

drivers/gpu/drm/sti/sti_hdmi.c

+17 −16
Original line number Diff line number Diff line
@@ -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