linux-kernel - Re: [PATCH 1/3] drm/rockchip: dw_hdmi

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Message-ID: <2263586.72vocr9iq0@diego>
Date: Mon, 06 Jan 2025 10:23:50 +0100
From: Heiko Stübner <heiko@...ech.de>
To: Andy Yan <andyshrk@....com>
Cc: cristian.ciocaltea@...labora.com, krzk+dt@...nel.org, mripard@...nel.org,
 hjc@...k-chips.com, devicetree@...r.kernel.org,
 dri-devel@...ts.freedesktop.org, linux-arm-kernel@...ts.infradead.org,
 linux-kernel@...r.kernel.org, linux-rockchip@...ts.infradead.org,
 Andy Yan <andy.yan@...k-chips.com>
Subject: Re: [PATCH 1/3] drm/rockchip: dw_hdmi_qp: Add platform ctrl callback

Am Montag, 6. Januar 2025, 09:35:26 CET schrieb Andy Yan:
> 
> Hi Heiko,
> 
> At 2025-01-02 19:51:58, "Heiko Stübner" <heiko@...ech.de> wrote:
> >Hi Andy,
> >
> >Am Mittwoch, 25. Dezember 2024, 11:37:29 CET schrieb Andy Yan:
> >> From: Andy Yan <andy.yan@...k-chips.com>
> >> 
> >> There are some control bits for IO and interrupts status scattered
> >> across different GRF on differt SOC.
> >> Add platform callback for this IO setting and interrupts status
> >> handling.
> >> 
> >> Signed-off-by: Andy Yan <andy.yan@...k-chips.com>
> >> 
> >> ---
> >> 
> >>  .../gpu/drm/rockchip/dw_hdmi_qp-rockchip.c    | 81 ++++++++++++-------
> >>  1 file changed, 54 insertions(+), 27 deletions(-)
> >> 
> >> diff --git a/drivers/gpu/drm/rockchip/dw_hdmi_qp-rockchip.c b/drivers/gpu/drm/rockchip/dw_hdmi_qp-rockchip.c
> >> index c36fc130b734..b21e868e7c16 100644
> >> --- a/drivers/gpu/drm/rockchip/dw_hdmi_qp-rockchip.c
> >> +++ b/drivers/gpu/drm/rockchip/dw_hdmi_qp-rockchip.c
> >> @@ -62,6 +62,12 @@ struct rockchip_hdmi_qp {
> >>  	int port_id;
> >>  };
> >>  
> >> +struct rockchip_hdmi_qp_ctrl_ops {
> >> +	void (*io_init)(struct rockchip_hdmi_qp *hdmi);
> >> +	irqreturn_t (*irq_callback)(int irq, void *dev_id);
> >> +	irqreturn_t (*hardirq_callback)(int irq, void *dev_id);
> >> +};
> >> +
> >>  static struct rockchip_hdmi_qp *to_rockchip_hdmi_qp(struct drm_encoder *encoder)
> >>  {
> >>  	struct rockchip_encoder *rkencoder = to_rockchip_encoder(encoder);
> >> @@ -226,9 +232,47 @@ static irqreturn_t dw_hdmi_qp_rk3588_irq(int irq, void *dev_id)
> >>  	return IRQ_HANDLED;
> >>  }
> >>  
> >> +static void dw_hdmi_qp_rk3588_io_init(struct rockchip_hdmi_qp *hdmi)
> >> +{
> >> +	u32 val;
> >> +
> >> +	val = HIWORD_UPDATE(RK3588_SCLIN_MASK, RK3588_SCLIN_MASK) |
> >> +	      HIWORD_UPDATE(RK3588_SDAIN_MASK, RK3588_SDAIN_MASK) |
> >> +	      HIWORD_UPDATE(RK3588_MODE_MASK, RK3588_MODE_MASK) |
> >> +	      HIWORD_UPDATE(RK3588_I2S_SEL_MASK, RK3588_I2S_SEL_MASK);
> >> +
> >
> >nit: below val = ... and regmap_write don't have a blank line between them
> >which makes sense to show that they belong together. So the blank above
> >can probably also go away.
> 
> Okay, it will be removed in V2.

just realized that I commented on the "wrong" version :-)

https://lore.kernel.org/r/20241231094425.253398-1-andyshrk@163.com
seems to be the most recent one.

Heiko