i915gm and i945gm also seem to use and need the legacy combination mode bit in BLC_PWM_CTL.
v2: Also do this for i915gm (Ville). Reported-and-tested-by: Luis Ortega <luior...@gmail.com> Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=75001 Signed-off-by: Jani Nikula <jani.nik...@intel.com> --- drivers/gpu/drm/i915/intel_panel.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/i915/intel_panel.c b/drivers/gpu/drm/i915/intel_panel.c index 5bc3f6ea1014..cb058408c70e 100644 --- a/drivers/gpu/drm/i915/intel_panel.c +++ b/drivers/gpu/drm/i915/intel_panel.c @@ -689,7 +689,7 @@ static void i9xx_enable_backlight(struct intel_connector *connector) freq /= 0xff; ctl = freq << 17; - if (IS_GEN2(dev) && panel->backlight.combination_mode) + if (panel->backlight.combination_mode) ctl |= BLM_LEGACY_MODE; if (IS_PINEVIEW(dev) && panel->backlight.active_low_pwm) ctl |= BLM_POLARITY_PNV; @@ -970,7 +970,7 @@ static int i9xx_setup_backlight(struct intel_connector *connector) ctl = I915_READ(BLC_PWM_CTL); - if (IS_GEN2(dev)) + if (IS_GEN2(dev) || IS_I915GM(dev) || IS_I945GM(dev)) panel->backlight.combination_mode = ctl & BLM_LEGACY_MODE; if (IS_PINEVIEW(dev)) -- 1.7.9.5 _______________________________________________ Intel-gfx mailing list Intel-gfx@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/intel-gfx
