From: Paulo Zanoni Date: Tue, 30 Jan 2018 13:49:15 +0000 (-0200) Subject: drm/i915/gen11: fix the SAGV block time for gen11 X-Git-Tag: v4.17-rc1~185^2~27^2~33 X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=commitdiff_plain;h=4357ce07e6bff1809f25eaae485fac4989296816;p=linux.git drm/i915/gen11: fix the SAGV block time for gen11 It's 10us for gen 11. Reviewed-by: Mahesh Kumar Reviewed-by: James Ausmus Signed-off-by: Paulo Zanoni Link: https://patchwork.freedesktop.org/patch/msgid/20180130134918.32283-7-paulo.r.zanoni@intel.com --- diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index 766f4fdd633b..6dc4677e6c3f 100644 --- a/drivers/gpu/drm/i915/intel_pm.c +++ b/drivers/gpu/drm/i915/intel_pm.c @@ -3694,11 +3694,18 @@ bool intel_can_enable_sagv(struct drm_atomic_state *state) struct intel_crtc_state *cstate; enum pipe pipe; int level, latency; - int sagv_block_time_us = IS_GEN9(dev_priv) ? 30 : 20; + int sagv_block_time_us; if (!intel_has_sagv(dev_priv)) return false; + if (IS_GEN9(dev_priv)) + sagv_block_time_us = 30; + else if (IS_GEN10(dev_priv)) + sagv_block_time_us = 20; + else + sagv_block_time_us = 10; + /* * SKL+ workaround: bspec recommends we disable the SAGV when we have * more then one pipe enabled