struct intel_framebuffer *ifb,
struct drm_mode_fb_cmd2 *mode_cmd,
struct drm_i915_gem_object *obj);
-static void intel_dp_set_m_n(struct intel_crtc *crtc);
static void i9xx_set_pipeconf(struct intel_crtc *intel_crtc);
static void intel_set_pipe_timings(struct intel_crtc *intel_crtc);
static void intel_cpu_transcoder_set_m_n(struct intel_crtc *crtc,
- struct intel_link_m_n *m_n);
+ struct intel_link_m_n *m_n,
+ struct intel_link_m_n *m2_n2);
static void ironlake_set_pipeconf(struct drm_crtc *crtc);
static void haswell_set_pipeconf(struct drm_crtc *crtc);
static void intel_set_pipe_csc(struct drm_crtc *crtc);
if (intel_crtc->config.has_pch_encoder) {
intel_cpu_transcoder_set_m_n(intel_crtc,
- &intel_crtc->config.fdi_m_n);
+ &intel_crtc->config.fdi_m_n, NULL);
}
ironlake_set_pipeconf(crtc);
if (intel_crtc->config.has_pch_encoder) {
intel_cpu_transcoder_set_m_n(intel_crtc,
- &intel_crtc->config.fdi_m_n);
+ &intel_crtc->config.fdi_m_n, NULL);
}
haswell_set_pipeconf(crtc);
}
static void intel_cpu_transcoder_set_m_n(struct intel_crtc *crtc,
- struct intel_link_m_n *m_n)
+ struct intel_link_m_n *m_n,
+ struct intel_link_m_n *m2_n2)
{
struct drm_device *dev = crtc->base.dev;
struct drm_i915_private *dev_priv = dev->dev_private;
I915_WRITE(PIPE_DATA_N1(transcoder), m_n->gmch_n);
I915_WRITE(PIPE_LINK_M1(transcoder), m_n->link_m);
I915_WRITE(PIPE_LINK_N1(transcoder), m_n->link_n);
+ /* M2_N2 registers to be set only for gen < 8 (M2_N2 available
+ * for gen < 8) and if DRRS is supported (to make sure the
+ * registers are not unnecessarily accessed).
+ */
+ if (m2_n2 && INTEL_INFO(dev)->gen < 8 &&
+ crtc->config.has_drrs) {
+ I915_WRITE(PIPE_DATA_M2(transcoder),
+ TU_SIZE(m2_n2->tu) | m2_n2->gmch_m);
+ I915_WRITE(PIPE_DATA_N2(transcoder), m2_n2->gmch_n);
+ I915_WRITE(PIPE_LINK_M2(transcoder), m2_n2->link_m);
+ I915_WRITE(PIPE_LINK_N2(transcoder), m2_n2->link_n);
+ }
} else {
I915_WRITE(PIPE_DATA_M_G4X(pipe), TU_SIZE(m_n->tu) | m_n->gmch_m);
I915_WRITE(PIPE_DATA_N_G4X(pipe), m_n->gmch_n);
}
}
-static void intel_dp_set_m_n(struct intel_crtc *crtc)
+void intel_dp_set_m_n(struct intel_crtc *crtc)
{
if (crtc->config.has_pch_encoder)
intel_pch_transcoder_set_m_n(crtc, &crtc->config.dp_m_n);
else
- intel_cpu_transcoder_set_m_n(crtc, &crtc->config.dp_m_n);
+ intel_cpu_transcoder_set_m_n(crtc, &crtc->config.dp_m_n,
+ &crtc->config.dp_m2_n2);
}
static void vlv_update_pll(struct intel_crtc *crtc)