summaryrefslogtreecommitdiffstats
path: root/drivers/gpu/drm/i915/intel_pm.c
diff options
context:
space:
mode:
authorPaulo Zanoni2018-01-30 14:49:15 +0100
committerPaulo Zanoni2018-01-31 17:21:12 +0100
commit4357ce07e6bff1809f25eaae485fac4989296816 (patch)
tree1ecdeeaf0c0d0f677cdbc53fc1680e980a93a7bc /drivers/gpu/drm/i915/intel_pm.c
parentdrm/i915/icl: Introduce MBus related registers (diff)
downloadkernel-qcow2-linux-4357ce07e6bff1809f25eaae485fac4989296816.tar.gz
kernel-qcow2-linux-4357ce07e6bff1809f25eaae485fac4989296816.tar.xz
kernel-qcow2-linux-4357ce07e6bff1809f25eaae485fac4989296816.zip
drm/i915/gen11: fix the SAGV block time for gen11
It's 10us for gen 11. Reviewed-by: Mahesh Kumar <mahesh1.kumar@intel.com> Reviewed-by: James Ausmus <james.ausmus@intel.com> Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20180130134918.32283-7-paulo.r.zanoni@intel.com
Diffstat (limited to 'drivers/gpu/drm/i915/intel_pm.c')
-rw-r--r--drivers/gpu/drm/i915/intel_pm.c9
1 files changed, 8 insertions, 1 deletions
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