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authorLinaro CI <ci_notify@linaro.org>2023-01-03 14:53:52 +0000
committerLinaro CI <ci_notify@linaro.org>2023-01-03 14:53:52 +0000
commitb7059c2558d3803e60c4a18949eb54cb8d8da142 (patch)
treefca0004c51741baba466db0148b0e4d32405b02d
parent88603b6dc419445847923fcb7fe5080067a30f98 (diff)
parent6ae2c308555f470ba63f90b7171519a242f96a67 (diff)
Merge remote-tracking branch 'drm-msm/tracking-qcomlt-drm-msm' into integration-linux-qcomlt
-rw-r--r--drivers/gpu/drm/msm/hdmi/hdmi.c3
-rw-r--r--drivers/gpu/drm/msm/hdmi/hdmi.h3
-rw-r--r--drivers/gpu/drm/msm/hdmi/hdmi_hpd.c7
3 files changed, 13 insertions, 0 deletions
diff --git a/drivers/gpu/drm/msm/hdmi/hdmi.c b/drivers/gpu/drm/msm/hdmi/hdmi.c
index 4d3fdc806bef..f4fb9a7a0146 100644
--- a/drivers/gpu/drm/msm/hdmi/hdmi.c
+++ b/drivers/gpu/drm/msm/hdmi/hdmi.c
@@ -31,6 +31,8 @@ void msm_hdmi_set_mode(struct hdmi *hdmi, bool power_on)
}
} else {
ctrl = HDMI_CTRL_HDMI;
+ if (hdmi->config->keep_ctrl_on)
+ ctrl |= HDMI_CTRL_ENABLE;
}
hdmi_write(hdmi, REG_HDMI_CTRL, ctrl);
@@ -255,6 +257,7 @@ static const struct hdmi_platform_config hdmi_tx_8974_config = {
HDMI_CFG(pwr_clk, 8x74),
HDMI_CFG(hpd_clk, 8x74),
.hpd_freq = hpd_clk_freq_8x74,
+ .keep_ctrl_on = true,
};
/*
diff --git a/drivers/gpu/drm/msm/hdmi/hdmi.h b/drivers/gpu/drm/msm/hdmi/hdmi.h
index e8dbee50637f..0b03e23ccd9f 100644
--- a/drivers/gpu/drm/msm/hdmi/hdmi.h
+++ b/drivers/gpu/drm/msm/hdmi/hdmi.h
@@ -102,6 +102,9 @@ struct hdmi_platform_config {
/* clks that need to be on for screen pwr (ie pixel clk): */
const char **pwr_clk_names;
int pwr_clk_cnt;
+
+ /* caps, etc. */
+ bool keep_ctrl_on;
};
struct hdmi_bridge {
diff --git a/drivers/gpu/drm/msm/hdmi/hdmi_hpd.c b/drivers/gpu/drm/msm/hdmi/hdmi_hpd.c
index bfa827b47989..4d4829bdd1c4 100644
--- a/drivers/gpu/drm/msm/hdmi/hdmi_hpd.c
+++ b/drivers/gpu/drm/msm/hdmi/hdmi_hpd.c
@@ -141,6 +141,13 @@ int msm_hdmi_hpd_enable(struct drm_bridge *bridge)
HDMI_HPD_CTRL_ENABLE | hpd_ctrl);
spin_unlock_irqrestore(&hdmi->reg_lock, flags);
+ /*
+ * wait for a bit so that HPD is sensed if there is a cable already
+ * connected. Returning early will result in someone calling the
+ * connnector func's detect() callback too early
+ */
+ msleep(15);
+
return 0;
fail: