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authorDhinakaran Pandiyan <dhinakaran.pandiyan@intel.com>2018-02-24 01:15:18 +0300
committerRodrigo Vivi <rodrigo.vivi@intel.com>2018-02-27 23:06:26 +0300
commite2770e2e0509e8b1189e2471af3012d68ca511a2 (patch)
treefb124596e0a584cfab054e53da7038ee3545a862 /drivers/gpu/drm/i915/intel_psr.c
parent77fe36ff04707bc03aeb88f110e76283d570a631 (diff)
downloadlinux-e2770e2e0509e8b1189e2471af3012d68ca511a2.tar.xz
drm/i915/psr: Check for the specific AUX_FRAME_SYNC cap bit.
The cap check should be specifically for bit 0 instead of any bit. Cc: Rodrigo Vivi <rodrigo.vivi@intel.com> Signed-off-by: Dhinakaran Pandiyan <dhinakaran.pandiyan@intel.com> Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com> Fixes: 474d1ec4a3d7 ("drm/i915/skl: Enabling PSR2 SU with frame sync") Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20180223221520.18464-4-dhinakaran.pandiyan@intel.com
Diffstat (limited to 'drivers/gpu/drm/i915/intel_psr.c')
-rw-r--r--drivers/gpu/drm/i915/intel_psr.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/intel_psr.c b/drivers/gpu/drm/i915/intel_psr.c
index 8f8bcffd8d49..b7cc6dd45c9e 100644
--- a/drivers/gpu/drm/i915/intel_psr.c
+++ b/drivers/gpu/drm/i915/intel_psr.c
@@ -144,7 +144,7 @@ void intel_psr_init_dpcd(struct intel_dp *intel_dp)
DP_SINK_DEVICE_AUX_FRAME_SYNC_CAP,
&frame_sync_cap) != 1)
frame_sync_cap = 0;
- dev_priv->psr.aux_frame_sync = frame_sync_cap ? true : false;
+ dev_priv->psr.aux_frame_sync = frame_sync_cap & DP_AUX_FRAME_SYNC_CAP;
/* PSR2 needs frame sync as well */
dev_priv->psr.psr2_support = dev_priv->psr.aux_frame_sync;
DRM_DEBUG_KMS("PSR2 %s on sink",