From 0232e927f8b0b37f5c82648f9bc45e55fb245068 Mon Sep 17 00:00:00 2001 From: Eugeni Dodonov Date: Fri, 6 Jul 2012 15:42:36 -0300 Subject: [PATCH] drm/i915: initialize power wells in modeset_init_hw This initializes power wells within the modeset_init_hw routine. Testing has shown that this works for both driver load time and for suspend-resume code paths. Signed-off-by: Eugeni Dodonov Signed-off-by: Daniel Vetter --- drivers/gpu/drm/i915/intel_display.c | 5 +++++ drivers/gpu/drm/i915/intel_drv.h | 1 + drivers/gpu/drm/i915/intel_pm.c | 5 ----- 3 files changed, 6 insertions(+), 5 deletions(-) diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index 0972f49..80fe02d 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -7187,6 +7187,11 @@ static void ivb_pch_pwm_override(struct drm_device *dev) void intel_modeset_init_hw(struct drm_device *dev) { + /* We attempt to init the necessary power wells early in the initialization + * time, so the subsystems that expect power to be enabled can work. + */ + intel_init_power_wells(dev); + intel_prepare_ddi(dev); intel_init_clock_gating(dev); diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h index b7859e7..6f3bf22 100644 --- a/drivers/gpu/drm/i915/intel_drv.h +++ b/drivers/gpu/drm/i915/intel_drv.h @@ -496,6 +496,7 @@ extern void intel_update_fbc(struct drm_device *dev); extern void intel_gpu_ips_init(struct drm_i915_private *dev_priv); extern void intel_gpu_ips_teardown(void); +extern void intel_init_power_wells(struct drm_device *dev); extern void intel_enable_gt_powersave(struct drm_device *dev); extern void intel_disable_gt_powersave(struct drm_device *dev); extern void gen6_gt_check_fifodbg(struct drm_i915_private *dev_priv); diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index a1495cd..94aabca 100644 --- a/drivers/gpu/drm/i915/intel_pm.c +++ b/drivers/gpu/drm/i915/intel_pm.c @@ -3932,11 +3932,6 @@ void intel_init_pm(struct drm_device *dev) else dev_priv->display.get_fifo_size = i830_get_fifo_size; } - - /* We attempt to init the necessary power wells early in the initialization - * time, so the subsystems that expect power to be enabled can work. - */ - intel_init_power_wells(dev); } static void __gen6_gt_wait_for_thread_c0(struct drm_i915_private *dev_priv) -- 2.7.4