linux-kernel - Re: [PATCH v2] drm/i915/quirk: Add quirk for devices that cannot be dimmed

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Message-ID: <ZJSKBg+LymhvINoG@localhost>
Date:   Thu, 22 Jun 2023 10:51:02 -0700
From:   Josh Triplett <josh@...htriplett.org>
To:     Allen Ballway <ballway@...omium.org>
Cc:     arun.r.murthy@...el.com, dri-devel@...ts.freedesktop.org,
        intel-gfx@...ts.freedesktop.org, jani.nikula@...ux.intel.com,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] drm/i915/quirk: Add quirk for devices that cannot be
 dimmed

On Thu, Jun 22, 2023 at 05:28:15PM +0000, Allen Ballway wrote:
> --- a/drivers/gpu/drm/i915/display/intel_backlight.c
> +++ b/drivers/gpu/drm/i915/display/intel_backlight.c
> @@ -1192,6 +1192,11 @@ static u32 get_backlight_min_vbt(struct intel_connector *connector)
> 
>  	drm_WARN_ON(&i915->drm, panel->backlight.pwm_level_max == 0);
> 
> +	if (intel_has_quirk(i915, QUIRK_NO_DIM)) {
> +		/* Cannot dim backlight, set minimum to hightest value */

Typo: s/hightest/highest/