Hi,
On Mon, Mar 17, 2025 at 04:20:39PM +0800, Andy Yan wrote:
> From: Andy Yan <andy.yan@xxxxxxxxxxxxxx>
>
> Use cfg->ctrl_ops->io_init callback make it work for all platform.
>
> Fixes: 3f60dbd40d3f ("drm/rockchip: dw_hdmi_qp: Add platform ctrl callback")
> Signed-off-by: Andy Yan <andy.yan@xxxxxxxxxxxxxx>
> ---
It also gets rid of code duplication :)
>
> .../gpu/drm/rockchip/dw_hdmi_qp-rockchip.c | 23 +++----------------
> 1 file changed, 3 insertions(+), 20 deletions(-)
>
> diff --git a/drivers/gpu/drm/rockchip/dw_hdmi_qp-rockchip.c b/drivers/gpu/drm/rockchip/dw_hdmi_qp-rockchip.c
> index 3d1dddb34603..631a7080862b 100644
> --- a/drivers/gpu/drm/rockchip/dw_hdmi_qp-rockchip.c
> +++ b/drivers/gpu/drm/rockchip/dw_hdmi_qp-rockchip.c
> @@ -600,27 +600,10 @@ static void dw_hdmi_qp_rockchip_remove(struct platform_device *pdev)
> static int __maybe_unused dw_hdmi_qp_rockchip_resume(struct device *dev)
> {
> struct rockchip_hdmi_qp *hdmi = dev_get_drvdata(dev);
> - 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);
> - regmap_write(hdmi->vo_regmap,
> - hdmi->port_id ? RK3588_GRF_VO1_CON6 : RK3588_GRF_VO1_CON3,
> - val);
> -
> - val = HIWORD_UPDATE(RK3588_SET_HPD_PATH_MASK,
> - RK3588_SET_HPD_PATH_MASK);
> - regmap_write(hdmi->regmap, RK3588_GRF_SOC_CON7, val);
> + const struct rockchip_hdmi_qp_cfg *cfg;
>
> - if (hdmi->port_id)
> - val = HIWORD_UPDATE(RK3588_HDMI1_GRANT_SEL,
> - RK3588_HDMI1_GRANT_SEL);
> - else
> - val = HIWORD_UPDATE(RK3588_HDMI0_GRANT_SEL,
> - RK3588_HDMI0_GRANT_SEL);
> - regmap_write(hdmi->vo_regmap, RK3588_GRF_VO1_CON9, val);
> + cfg = of_device_get_match_data(dev);
> + cfg->ctrl_ops->io_init(hdmi);
I think it would be better to store the ctrl_ops (or io_init)
callback in struct rockchip_hdmi_qp during driver probe and avoid
another lookup of the match_data, which involves string comparisons.
Otherwise:
Reviewed-by: Sebastian Reichel <sebastian.reichel@xxxxxxxxxxxxx>
Greetings,
-- Sebastian
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