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drm: rockchip: rk3066_hdmi: set edid fifo address

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Fix edid reading error when edid's block > 2.

Signed-off-by: Nickey Yang <nickey.yang@rock-chips.com>
Signed-off-by: Johan Jonker <jbx6244@gmail.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Link: https://patchwork.freedesktop.org/patch/msgid/20191211203417.19448-1-jbx6244@gmail.com
This commit is contained in:
Nickey Yang 2019-12-11 21:34:17 +01:00 committed by Heiko Stuebner
parent cca1705c3d
commit 0eee61521d
1 changed files with 3 additions and 0 deletions
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drivers/gpu/drm/rockchip/rk3066_hdmi.c
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@ -641,6 +641,9 @@ static int rk3066_hdmi_i2c_write(struct rk3066_hdmi *hdmi, struct i2c_msg *msgs)
if (msgs->addr == DDC_ADDR)
hdmi->i2c->ddc_addr = msgs->buf[0];
/* Set edid fifo first address. */
hdmi_writeb(hdmi, HDMI_EDID_FIFO_ADDR, 0x00);
/* Set edid word address 0x00/0x80. */
hdmi_writeb(hdmi, HDMI_EDID_WORD_ADDR, hdmi->i2c->ddc_addr);