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- Remove DP_EDP_BACKLIGHT_AUX_ENABLE_CAP check for DPCD backlight (Suraj)

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Merge tag 'drm-intel-fixes-2026-07-23' of https://gitlab.freedesktop.org/drm/i915/kernel into drm-fixes

- Remove DP_EDP_BACKLIGHT_AUX_ENABLE_CAP check for DPCD backlight (Suraj)

Signed-off-by: Dave Airlie <airlied@redhat.com>

From: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patch.msgid.link/amJDXaBKC9uUgRFt@intel.com
This commit is contained in:
Dave Airlie 2026-07-24 08:46:54 +10:00
commit 394586aa7e
1 changed files with 1 additions and 6 deletions
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7
drivers/gpu/drm/i915/display/intel_dp_aux_backlight.c
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@ -615,12 +615,7 @@ check_if_vesa_backlight_possible(struct intel_dp *intel_dp)
int ret;
u8 bit_min, bit_max;
/*
* Since we only support Fully AUX Based VESA Backlight interface make sure
* backlight enable is possible via AUX along with backlight adjustment
*/
if (!(intel_dp->edp_dpcd[1] & DP_EDP_BACKLIGHT_AUX_ENABLE_CAP &&
intel_dp->edp_dpcd[2] & DP_EDP_BACKLIGHT_BRIGHTNESS_AUX_SET_CAP))
if (!(intel_dp->edp_dpcd[2] & DP_EDP_BACKLIGHT_BRIGHTNESS_AUX_SET_CAP))
return false;
ret = drm_dp_dpcd_read_byte(&intel_dp->aux, DP_EDP_PWMGEN_BIT_COUNT_CAP_MIN, &bit_min);