[Intel-gfx] [PATCH] drm/i915: Init power domains early in driver load

Daniel Vetter daniel.vetter at ffwll.ch
Thu Jan 7 01:10:56 PST 2016


commit ac9b8236551d1177fd07b56aef9b565d1864420d
Author: Ville Syrjälä <ville.syrjala at linux.intel.com>
Date:   Fri Nov 27 18:55:26 2015 +0200

    drm/i915: Introduce a gmbus power domain

gmbus also needs the power domain infrastructure right from the start,
since as soon as we register the i2c controllers someone can use them.

Cc: Ville Syrjälä <ville.syrjala at linux.intel.com>
Cc: Patrik Jakobsson <patrik.jakobsson at linux.intel.com>
Cc: Imre Deak <imre.deak at intel.com>
Cc: Jani Nikula <jani.nikula at intel.com>
Cc: Meelis Roos <mroos at linux.ee>
Fixes: ac9b8236551d ("drm/i915: Introduce a gmbus power domain")
Cc: stable at vger.kernel.org
References: http://www.spinics.net/lists/intel-gfx/msg83075.html
Signed-off-by: Daniel Vetter <daniel.vetter at intel.com>
 drivers/gpu/drm/i915/i915_dma.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c
index b4741d121a74..405aba2ca736 100644
--- a/drivers/gpu/drm/i915/i915_dma.c
+++ b/drivers/gpu/drm/i915/i915_dma.c
@@ -396,8 +396,6 @@ static int i915_load_modeset_init(struct drm_device *dev)
 	if (ret)
 		goto cleanup_vga_switcheroo;
-	intel_power_domains_init_hw(dev_priv);
 	ret = intel_irq_install(dev_priv);
 	if (ret)
 		goto cleanup_gem_stolen;
@@ -1025,6 +1023,8 @@ int i915_driver_load(struct drm_device *dev, unsigned long flags)
+	intel_power_domains_init(dev_priv);
+	intel_power_domains_init_hw(dev_priv);
 	/* Try to make sure MCHBAR is enabled before poking at it */
@@ -1057,8 +1057,6 @@ int i915_driver_load(struct drm_device *dev, unsigned long flags)
 			goto out_gem_unload;
-	intel_power_domains_init(dev_priv);
 	ret = i915_load_modeset_init(dev);
 	if (ret < 0) {
 		DRM_ERROR("failed to init modeset\n");

More information about the Intel-gfx mailing list