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authorSultan Alsawaf <sultan@kerneltoast.com>2020-04-30 14:46:54 -0700
committerVille Syrjälä <ville.syrjala@linux.intel.com>2020-05-04 18:55:41 +0300
commit690d22dafa88b82453516387b475664047a6bd14 (patch)
tree114c0eaf3b948d1130a1afe67b831fcf261610ea /drivers/gpu/drm/i915/intel_pm.c
parent2dd43144e824afffd5ee31ce0df02c47afe83d76 (diff)
downloadlinux-690d22dafa88b82453516387b475664047a6bd14.tar.bz2
drm/i915: Don't enable WaIncreaseLatencyIPCEnabled when IPC is disabled
In commit 5a7d202b1574, a logical AND was erroneously changed to an OR, causing WaIncreaseLatencyIPCEnabled to be enabled unconditionally for kabylake and coffeelake, even when IPC is disabled. Fix the logic so that WaIncreaseLatencyIPCEnabled is only used when IPC is enabled. Fixes: 5a7d202b1574 ("drm/i915: Drop WaIncreaseLatencyIPCEnabled/1140 for cnl") Cc: stable@vger.kernel.org # 5.3.x+ Signed-off-by: Sultan Alsawaf <sultan@kerneltoast.com> Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20200430214654.51314-1-sultan@kerneltoast.com
Diffstat (limited to 'drivers/gpu/drm/i915/intel_pm.c')
-rw-r--r--drivers/gpu/drm/i915/intel_pm.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index a4830a5cd401..416cb1a1e7cb 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -5080,7 +5080,7 @@ static void skl_compute_plane_wm(const struct intel_crtc_state *crtc_state,
* WaIncreaseLatencyIPCEnabled: kbl,cfl
* Display WA #1141: kbl,cfl
*/
- if ((IS_KABYLAKE(dev_priv) || IS_COFFEELAKE(dev_priv)) ||
+ if ((IS_KABYLAKE(dev_priv) || IS_COFFEELAKE(dev_priv)) &&
dev_priv->ipc_enabled)
latency += 4;