On 20-02-2026 10:32, Suraj Kandpal wrote:
When deciding what functions to enable to help control backlight we
used to only check aux_enable. Now with PANEL_LUMINANCE_OVERRIDE in
picture we need to take care that we do not enable PWM function if
luminance_set is set.
Closes: https://gitlab.freedesktop.org/drm/i915/kernel/-/issues/15671
Signed-off-by: Suraj Kandpal <[email protected]>
---
Reviewed-by: Arun R Murthy <[email protected]>
Thanks and Regards,
Arun R Murthy
-------------------
drivers/gpu/drm/i915/display/intel_dp_aux_backlight.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/i915/display/intel_dp_aux_backlight.c
b/drivers/gpu/drm/i915/display/intel_dp_aux_backlight.c
index 05d6d033f60b..cb39696491a1 100644
--- a/drivers/gpu/drm/i915/display/intel_dp_aux_backlight.c
+++ b/drivers/gpu/drm/i915/display/intel_dp_aux_backlight.c
@@ -486,7 +486,8 @@ intel_dp_aux_vesa_enable_backlight(const struct
intel_crtc_state *crtc_state,
struct intel_panel *panel = &connector->panel;
struct intel_dp *intel_dp = enc_to_intel_dp(connector->encoder);
- if (!panel->backlight.edp.vesa.info.aux_enable) {
+ if (!(panel->backlight.edp.vesa.info.aux_enable ||
+ panel->backlight.edp.vesa.info.luminance_set)) {
u32 pwm_level;
if (!panel->backlight.edp.vesa.info.aux_set)
