From: Paulo Zanoni <[email protected]>
Signed-off-by: Paulo Zanoni <[email protected]>
---
drivers/gpu/drm/i915/intel_dp.c | 17 ++++++++++++++++-
1 file changed, 16 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index 1feeac5..531d49c 100644
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -2478,6 +2478,15 @@ static void intel_dp_encoder_destroy(struct drm_encoder
*encoder)
kfree(intel_dp);
}
+static const struct drm_encoder_helper_funcs intel_dp_helper_funcs_hsw = {
+ .dpms = intel_dp_dpms,
+ .mode_fixup = intel_dp_mode_fixup,
+ .prepare = intel_dp_prepare,
+ .mode_set = intel_ddi_mode_set,
+ .commit = intel_ddi_commit,
+ .disable = intel_ddi_disable,
+};
+
static const struct drm_encoder_helper_funcs intel_dp_helper_funcs = {
.dpms = intel_dp_dpms,
.mode_fixup = intel_dp_mode_fixup,
@@ -2613,7 +2622,13 @@ intel_dp_init(struct drm_device *dev, int output_reg,
enum port port)
drm_encoder_init(dev, &intel_encoder->base, &intel_dp_enc_funcs,
DRM_MODE_ENCODER_TMDS);
- drm_encoder_helper_add(&intel_encoder->base, &intel_dp_helper_funcs);
+
+ if (IS_HASWELL(dev))
+ drm_encoder_helper_add(&intel_encoder->base,
+ &intel_dp_helper_funcs_hsw);
+ else
+ drm_encoder_helper_add(&intel_encoder->base,
+ &intel_dp_helper_funcs);
intel_connector_attach_encoder(intel_connector, intel_encoder);
drm_sysfs_connector_add(connector);
--
1.7.11.2
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