From: Cristian Ciocaltea Date: Thu, 15 Jan 2026 16:24:44 +0000 (+0200) Subject: drm/rockchip: dw_hdmi_qp: Optimize RK3588 HPD interrupt handling X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=aa156ad92523b21b12bfa5bb261d6affb4b1597f;p=thirdparty%2Fkernel%2Flinux.git drm/rockchip: dw_hdmi_qp: Optimize RK3588 HPD interrupt handling The threaded interrupt handler on RK3588 checks HPD IRQ status before deciding to continue with interrupt clearing and unmasking. However, this is not really necessary, since the hard interrupt handler already performs the very same verification before waking the handler thread. Get rid of the redundant verification of the HPD interrupt status in the threaded interrupt handler. Signed-off-by: Cristian Ciocaltea Signed-off-by: Heiko Stuebner Link: https://patch.msgid.link/20260115-dw-hdmi-qp-hpd-v1-2-e59c166eaa65@collabora.com --- diff --git a/drivers/gpu/drm/rockchip/dw_hdmi_qp-rockchip.c b/drivers/gpu/drm/rockchip/dw_hdmi_qp-rockchip.c index 831d221bfd0d..a8190a6e8978 100644 --- a/drivers/gpu/drm/rockchip/dw_hdmi_qp-rockchip.c +++ b/drivers/gpu/drm/rockchip/dw_hdmi_qp-rockchip.c @@ -315,11 +315,7 @@ static irqreturn_t dw_hdmi_qp_rk3588_hardirq(int irq, void *dev_id) static irqreturn_t dw_hdmi_qp_rk3588_irq(int irq, void *dev_id) { struct rockchip_hdmi_qp *hdmi = dev_id; - u32 intr_stat, val; - - regmap_read(hdmi->regmap, RK3588_GRF_SOC_STATUS1, &intr_stat); - if (!intr_stat) - return IRQ_NONE; + u32 val; if (hdmi->port_id) val = FIELD_PREP_WM16(RK3588_HDMI1_HPD_INT_CLR, 1);