Messages in this thread Patch in this message | | | From | Johan Jonker <> | Subject | [PATCH] drm: rockchip: rk3066_hdmi: set edid fifo address | Date | Wed, 11 Dec 2019 21:34:17 +0100 |
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From: Nickey Yang <nickey.yang@rock-chips.com>
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> --- drivers/gpu/drm/rockchip/rk3066_hdmi.c | 3 +++ 1 file changed, 3 insertions(+)
diff --git a/drivers/gpu/drm/rockchip/rk3066_hdmi.c b/drivers/gpu/drm/rockchip/rk3066_hdmi.c index cdb401f42..945126948 100644 --- a/drivers/gpu/drm/rockchip/rk3066_hdmi.c +++ b/drivers/gpu/drm/rockchip/rk3066_hdmi.c @@ -640,6 +640,9 @@ 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); -- 2.11.0
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