On Tue, 17 Mar 2020, Guru Das Srinagesh gurus@codeaurora.org wrote:
Since the PWM framework is switching struct pwm_state.duty_cycle's datatype to u64, prepare for this transition by using DIV_ROUND_UP_ULL to handle a 64-bit dividend.
Cc: Jani Nikula jani.nikula@linux.intel.com Cc: Joonas Lahtinen joonas.lahtinen@linux.intel.com Cc: David Airlie airlied@linux.ie Cc: Daniel Vetter daniel@ffwll.ch Cc: Chris Wilson chris@chris-wilson.co.uk Cc: "Ville Syrjälä" ville.syrjala@linux.intel.com Cc: intel-gfx@lists.freedesktop.org Cc: dri-devel@lists.freedesktop.org Cc: Rodrigo Vivi rodrigo.vivi@intel.com Cc: Maarten Lankhorst maarten.lankhorst@linux.intel.com
Signed-off-by: Guru Das Srinagesh gurus@codeaurora.org
Reviewed-by: Jani Nikula jani.nikula@intel.com
Also ack for merging this via whichever tree you prefer; please let me know if you want me to take this via drm-intel.
drivers/gpu/drm/i915/display/intel_panel.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/i915/display/intel_panel.c b/drivers/gpu/drm/i915/display/intel_panel.c index bc14e9c..843cac1 100644 --- a/drivers/gpu/drm/i915/display/intel_panel.c +++ b/drivers/gpu/drm/i915/display/intel_panel.c @@ -1868,7 +1868,7 @@ static int pwm_setup_backlight(struct intel_connector *connector,
panel->backlight.min = 0; /* 0% */ panel->backlight.max = 100; /* 100% */
- panel->backlight.level = DIV_ROUND_UP(
- panel->backlight.level = DIV_ROUND_UP_ULL( pwm_get_duty_cycle(panel->backlight.pwm) * 100, CRC_PMIC_PWM_PERIOD_NS); panel->backlight.enabled = panel->backlight.level != 0;