Our CEC code also retrieves the associated vc4_hdmi by setting the vc4_dev pointer as its private data, and then dereferences its vc4_hdmi pointer.
In order to eventually get rid of that pointer, we can simply pass the vc4_hdmi pointer directly.
Reviewed-by: Eric Anholt eric@anholt.net Signed-off-by: Maxime Ripard maxime@cerno.tech --- drivers/gpu/drm/vc4/vc4_hdmi.c | 24 +++++++++--------------- 1 file changed, 9 insertions(+), 15 deletions(-)
diff --git a/drivers/gpu/drm/vc4/vc4_hdmi.c b/drivers/gpu/drm/vc4/vc4_hdmi.c index d9db3c38f433..09b297a1b39d 100644 --- a/drivers/gpu/drm/vc4/vc4_hdmi.c +++ b/drivers/gpu/drm/vc4/vc4_hdmi.c @@ -1033,8 +1033,7 @@ static int vc4_hdmi_audio_init(struct vc4_hdmi *vc4_hdmi) #ifdef CONFIG_DRM_VC4_HDMI_CEC static irqreturn_t vc4_cec_irq_handler_thread(int irq, void *priv) { - struct vc4_dev *vc4 = priv; - struct vc4_hdmi *vc4_hdmi = vc4->hdmi; + struct vc4_hdmi *vc4_hdmi = priv;
if (vc4_hdmi->cec_irq_was_rx) { if (vc4_hdmi->cec_rx_msg.len) @@ -1054,9 +1053,8 @@ static irqreturn_t vc4_cec_irq_handler_thread(int irq, void *priv) return IRQ_HANDLED; }
-static void vc4_cec_read_msg(struct vc4_dev *vc4, u32 cntrl1) +static void vc4_cec_read_msg(struct vc4_hdmi *vc4_hdmi, u32 cntrl1) { - struct vc4_hdmi *vc4_hdmi = vc4->hdmi; struct cec_msg *msg = &vc4_hdmi->cec_rx_msg; unsigned int i;
@@ -1074,8 +1072,7 @@ static void vc4_cec_read_msg(struct vc4_dev *vc4, u32 cntrl1)
static irqreturn_t vc4_cec_irq_handler(int irq, void *priv) { - struct vc4_dev *vc4 = priv; - struct vc4_hdmi *vc4_hdmi = vc4->hdmi; + struct vc4_hdmi *vc4_hdmi = priv; u32 stat = HDMI_READ(VC4_HDMI_CPU_STATUS); u32 cntrl1, cntrl5;
@@ -1086,7 +1083,7 @@ static irqreturn_t vc4_cec_irq_handler(int irq, void *priv) cntrl5 = HDMI_READ(VC4_HDMI_CEC_CNTRL_5); vc4_hdmi->cec_irq_was_rx = cntrl5 & VC4_HDMI_CEC_RX_CEC_INT; if (vc4_hdmi->cec_irq_was_rx) { - vc4_cec_read_msg(vc4, cntrl1); + vc4_cec_read_msg(vc4_hdmi, cntrl1); cntrl1 |= VC4_HDMI_CEC_CLEAR_RECEIVE_OFF; HDMI_WRITE(VC4_HDMI_CEC_CNTRL_1, cntrl1); cntrl1 &= ~VC4_HDMI_CEC_CLEAR_RECEIVE_OFF; @@ -1102,8 +1099,7 @@ static irqreturn_t vc4_cec_irq_handler(int irq, void *priv)
static int vc4_hdmi_cec_adap_enable(struct cec_adapter *adap, bool enable) { - struct vc4_dev *vc4 = cec_get_drvdata(adap); - struct vc4_hdmi *vc4_hdmi = vc4->hdmi; + struct vc4_hdmi *vc4_hdmi = cec_get_drvdata(adap); /* clock period in microseconds */ const u32 usecs = 1000000 / CEC_CLOCK_FREQ; u32 val = HDMI_READ(VC4_HDMI_CEC_CNTRL_5); @@ -1146,8 +1142,7 @@ static int vc4_hdmi_cec_adap_enable(struct cec_adapter *adap, bool enable)
static int vc4_hdmi_cec_adap_log_addr(struct cec_adapter *adap, u8 log_addr) { - struct vc4_dev *vc4 = cec_get_drvdata(adap); - struct vc4_hdmi *vc4_hdmi = vc4->hdmi; + struct vc4_hdmi *vc4_hdmi = cec_get_drvdata(adap);
HDMI_WRITE(VC4_HDMI_CEC_CNTRL_1, (HDMI_READ(VC4_HDMI_CEC_CNTRL_1) & ~VC4_HDMI_CEC_ADDR_MASK) | @@ -1158,8 +1153,7 @@ static int vc4_hdmi_cec_adap_log_addr(struct cec_adapter *adap, u8 log_addr) static int vc4_hdmi_cec_adap_transmit(struct cec_adapter *adap, u8 attempts, u32 signal_free_time, struct cec_msg *msg) { - struct vc4_dev *vc4 = cec_get_drvdata(adap); - struct vc4_hdmi *vc4_hdmi = vc4->hdmi; + struct vc4_hdmi *vc4_hdmi = cec_get_drvdata(adap); u32 val; unsigned int i;
@@ -1306,7 +1300,7 @@ static int vc4_hdmi_bind(struct device *dev, struct device *master, void *data)
#ifdef CONFIG_DRM_VC4_HDMI_CEC vc4_hdmi->cec_adap = cec_allocate_adapter(&vc4_hdmi_cec_adap_ops, - vc4, "vc4", + vc4_hdmi, "vc4", CEC_CAP_DEFAULTS | CEC_CAP_CONNECTOR_INFO, 1); ret = PTR_ERR_OR_ZERO(vc4_hdmi->cec_adap); @@ -1330,7 +1324,7 @@ static int vc4_hdmi_bind(struct device *dev, struct device *master, void *data) ret = devm_request_threaded_irq(dev, platform_get_irq(pdev, 0), vc4_cec_irq_handler, vc4_cec_irq_handler_thread, 0, - "vc4 hdmi cec", vc4); + "vc4 hdmi cec", vc4_hdmi); if (ret) goto err_delete_cec_adap; ret = cec_register_adapter(vc4_hdmi->cec_adap, dev);