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path: root/drivers/gpu/drm/i915/intel_crt.c
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Diffstat (limited to 'drivers/gpu/drm/i915/intel_crt.c')
-rw-r--r--drivers/gpu/drm/i915/intel_crt.c28
1 files changed, 24 insertions, 4 deletions
diff --git a/drivers/gpu/drm/i915/intel_crt.c b/drivers/gpu/drm/i915/intel_crt.c
index ea9022ef15d..10d1de5bce6 100644
--- a/drivers/gpu/drm/i915/intel_crt.c
+++ b/drivers/gpu/drm/i915/intel_crt.c
@@ -83,8 +83,7 @@ static bool intel_crt_get_hw_state(struct intel_encoder *encoder,
return true;
}
-static void intel_crt_get_config(struct intel_encoder *encoder,
- struct intel_crtc_config *pipe_config)
+static unsigned int intel_crt_get_flags(struct intel_encoder *encoder)
{
struct drm_i915_private *dev_priv = encoder->base.dev->dev_private;
struct intel_crt *crt = intel_encoder_to_crt(encoder);
@@ -102,7 +101,25 @@ static void intel_crt_get_config(struct intel_encoder *encoder,
else
flags |= DRM_MODE_FLAG_NVSYNC;
- pipe_config->adjusted_mode.flags |= flags;
+ return flags;
+}
+
+static void intel_crt_get_config(struct intel_encoder *encoder,
+ struct intel_crtc_config *pipe_config)
+{
+ pipe_config->adjusted_mode.flags |= intel_crt_get_flags(encoder);
+}
+
+static void hsw_crt_get_config(struct intel_encoder *encoder,
+ struct intel_crtc_config *pipe_config)
+{
+ intel_ddi_get_config(encoder, pipe_config);
+
+ pipe_config->adjusted_mode.flags &= ~(DRM_MODE_FLAG_PHSYNC |
+ DRM_MODE_FLAG_NHSYNC |
+ DRM_MODE_FLAG_PVSYNC |
+ DRM_MODE_FLAG_NVSYNC);
+ pipe_config->adjusted_mode.flags |= intel_crt_get_flags(encoder);
}
/* Note: The caller is required to filter out dpms modes not supported by the
@@ -799,7 +816,10 @@ void intel_crt_init(struct drm_device *dev)
crt->base.mode_set = intel_crt_mode_set;
crt->base.disable = intel_disable_crt;
crt->base.enable = intel_enable_crt;
- crt->base.get_config = intel_crt_get_config;
+ if (IS_HASWELL(dev))
+ crt->base.get_config = hsw_crt_get_config;
+ else
+ crt->base.get_config = intel_crt_get_config;
if (I915_HAS_HOTPLUG(dev))
crt->base.hpd_pin = HPD_CRT;
if (HAS_DDI(dev))