On Fri, 2025-08-29 at 14:33 +0300, Jani Nikula wrote:
> Use poll_timeout_us() instead of open-coding the timeout loop.
>
> Signed-off-by: Jani Nikula <jani.nik...@intel.com>
Reviewed-by: Jouni Högander <jouni.hogan...@intel.com>
> ---
> drivers/gpu/drm/i915/display/intel_dp.c | 12 ++++--------
> 1 file changed, 4 insertions(+), 8 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/display/intel_dp.c
> b/drivers/gpu/drm/i915/display/intel_dp.c
> index bed7cba1ca68..958e48859beb 100644
> --- a/drivers/gpu/drm/i915/display/intel_dp.c
> +++ b/drivers/gpu/drm/i915/display/intel_dp.c
> @@ -27,6 +27,7 @@
>
> #include <linux/export.h>
> #include <linux/i2c.h>
> +#include <linux/iopoll.h>
> #include <linux/log2.h>
> #include <linux/math.h>
> #include <linux/notifier.h>
> @@ -5662,14 +5663,9 @@ bool
> intel_digital_port_connected_locked(struct intel_encoder *encoder)
> intel_wakeref_t wakeref;
>
> with_intel_display_power(display, POWER_DOMAIN_DISPLAY_CORE,
> wakeref) {
> - unsigned long wait_expires = jiffies +
> msecs_to_jiffies_timeout(4);
> -
> - do {
> - is_connected = dig_port->connected(encoder);
> - if (is_connected || is_glitch_free)
> - break;
> - usleep_range(10, 30);
> - } while (time_before(jiffies, wait_expires));
> + poll_timeout_us(is_connected = dig_port-
> >connected(encoder),
> + is_connected || is_glitch_free,
> + 30, 4000, false);
> }
>
> return is_connected;
