From: Mika Kuoppala Date: Fri, 16 Jan 2015 09:34:39 +0000 (+0200) Subject: drm/i915: Make vlv and chv forcewake put generic. X-Git-Tag: v4.0-rc1~74^2~8^2~74 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=756c349dc947e5d8e0938f2af63c3a6dec038261;p=platform%2Fkernel%2Flinux-exynos.git drm/i915: Make vlv and chv forcewake put generic. These two were using a fw dance logic where posting read was done after both domain bit were set. When in other gens, the posting read is done immediately after setting the forcewake bit for each domain. Now bring these in line with other gens. Signed-off-by: Mika Kuoppala Reviewed-by: Deepak S Signed-off-by: Daniel Vetter --- diff --git a/drivers/gpu/drm/i915/intel_uncore.c b/drivers/gpu/drm/i915/intel_uncore.c index 9991fdf..c08a6f9 100644 --- a/drivers/gpu/drm/i915/intel_uncore.c +++ b/drivers/gpu/drm/i915/intel_uncore.c @@ -234,16 +234,6 @@ static int __gen6_gt_wait_for_fifo(struct drm_i915_private *dev_priv) return ret; } -static void __vlv_force_wake_put(struct drm_i915_private *dev_priv, - int fw_engine) -{ - fw_domains_put(dev_priv, fw_engine); - fw_domains_posting_read(dev_priv); - - if (!IS_CHERRYVIEW(dev_priv->dev)) - gen6_gt_check_fifodbg(dev_priv); -} - static void gen6_force_wake_timer(unsigned long arg) { struct intel_uncore_forcewake_domain *domain = (void *)arg; @@ -998,7 +988,11 @@ void intel_uncore_init(struct drm_device *dev) FORCEWAKE_MEDIA_GEN9, FORCEWAKE_ACK_MEDIA_GEN9); } else if (IS_VALLEYVIEW(dev)) { dev_priv->uncore.funcs.force_wake_get = fw_domains_get; - dev_priv->uncore.funcs.force_wake_put = __vlv_force_wake_put; + if (!IS_CHERRYVIEW(dev)) + dev_priv->uncore.funcs.force_wake_put = + fw_domains_put_with_fifo; + else + dev_priv->uncore.funcs.force_wake_put = fw_domains_put; fw_domain_init(dev_priv, FW_DOMAIN_ID_RENDER, FORCEWAKE_VLV, FORCEWAKE_ACK_VLV); fw_domain_init(dev_priv, FW_DOMAIN_ID_MEDIA,