On Fri, Oct 04, 2013 at 09:22:49PM -0700, Ben Widawsky wrote: > For upcoming patches which will have GEN specific MMIO functions, we'll > need to initialize the uncore data structure earlier than we do today. > > If we do not do this, the following will be problematic: > > intel_uncore_sanitize > intel_disable_gt_powersave > gen6_disable_rps > I915_WRITE(GEN6_RC_CONTROL, 0); <--- MMIO > intel_uncore_init // initializes MMIO > > By initializing the function pointers first, we should be safe. > > Signed-off-by: Ben Widawsky <[email protected]>
For the whole series: Reviewed-by: Damien Lespiau <[email protected]> -- Damien > --- > drivers/gpu/drm/i915/i915_dma.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c > index f221631..0a84cd5 100644 > --- a/drivers/gpu/drm/i915/i915_dma.c > +++ b/drivers/gpu/drm/i915/i915_dma.c > @@ -1621,8 +1621,8 @@ int i915_driver_load(struct drm_device *dev, unsigned > long flags) > > intel_irq_init(dev); > intel_pm_init(dev); > - intel_uncore_sanitize(dev); > intel_uncore_init(dev); > + intel_uncore_sanitize(dev); > > /* Try to make sure MCHBAR is enabled before poking at it */ > intel_setup_mchbar(dev); > -- > 1.8.4 > > _______________________________________________ > Intel-gfx mailing list > [email protected] > http://lists.freedesktop.org/mailman/listinfo/intel-gfx _______________________________________________ Intel-gfx mailing list [email protected] http://lists.freedesktop.org/mailman/listinfo/intel-gfx
