diff options
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_crt.c | 2 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_ddi.c | 32 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_ddi.h | 3 |
3 files changed, 31 insertions, 6 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_crt.c b/drivers/gpu/drm/i915/display/intel_crt.c index 077ebc7e6396..91a8a42b4aa2 100644 --- a/drivers/gpu/drm/i915/display/intel_crt.c +++ b/drivers/gpu/drm/i915/display/intel_crt.c @@ -1076,6 +1076,8 @@ void intel_crt_init(struct drm_i915_private *dev_priv) crt->base.enable = hsw_enable_crt; crt->base.disable = hsw_disable_crt; crt->base.post_disable = hsw_post_disable_crt; + crt->base.enable_clock = hsw_ddi_enable_clock; + crt->base.disable_clock = hsw_ddi_disable_clock; } else { if (HAS_PCH_SPLIT(dev_priv)) { crt->base.compute_config = pch_crt_compute_config; diff --git a/drivers/gpu/drm/i915/display/intel_ddi.c b/drivers/gpu/drm/i915/display/intel_ddi.c index f62fcb785a2e..2a0723f56418 100644 --- a/drivers/gpu/drm/i915/display/intel_ddi.c +++ b/drivers/gpu/drm/i915/display/intel_ddi.c @@ -1898,9 +1898,6 @@ void intel_ddi_clk_select(struct intel_encoder *encoder, intel_de_write(dev_priv, DPLL_CTRL2, val); - } else if (INTEL_GEN(dev_priv) < 9) { - intel_de_write(dev_priv, PORT_CLK_SEL(port), - hsw_pll_to_ddi_pll_sel(pll)); } mutex_unlock(&dev_priv->dpll.lock); @@ -1923,12 +1920,30 @@ static void intel_ddi_clk_disable(struct intel_encoder *encoder) } else if (IS_GEN9_BC(dev_priv)) { intel_de_write(dev_priv, DPLL_CTRL2, intel_de_read(dev_priv, DPLL_CTRL2) | DPLL_CTRL2_DDI_CLK_OFF(port)); - } else if (INTEL_GEN(dev_priv) < 9) { - intel_de_write(dev_priv, PORT_CLK_SEL(port), - PORT_CLK_SEL_NONE); } } +void hsw_ddi_enable_clock(struct intel_encoder *encoder, + const struct intel_crtc_state *crtc_state) +{ + struct drm_i915_private *i915 = to_i915(encoder->base.dev); + const struct intel_shared_dpll *pll = crtc_state->shared_dpll; + enum port port = encoder->port; + + if (drm_WARN_ON(&i915->drm, !pll)) + return; + + intel_de_write(i915, PORT_CLK_SEL(port), hsw_pll_to_ddi_pll_sel(pll)); +} + +void hsw_ddi_disable_clock(struct intel_encoder *encoder) +{ + struct drm_i915_private *i915 = to_i915(encoder->base.dev); + enum port port = encoder->port; + + intel_de_write(i915, PORT_CLK_SEL(port), PORT_CLK_SEL_NONE); +} + void intel_ddi_enable_clock(struct intel_encoder *encoder, const struct intel_crtc_state *crtc_state) { @@ -4083,6 +4098,11 @@ void intel_ddi_init(struct drm_i915_private *dev_priv, enum port port) encoder->cloneable = 0; encoder->pipe_mask = ~0; + if (IS_BROADWELL(dev_priv) || IS_HASWELL(dev_priv)) { + encoder->enable_clock = hsw_ddi_enable_clock; + encoder->disable_clock = hsw_ddi_disable_clock; + } + if (IS_DG1(dev_priv)) encoder->hpd_pin = dg1_hpd_pin(dev_priv, port); else if (IS_ROCKETLAKE(dev_priv)) diff --git a/drivers/gpu/drm/i915/display/intel_ddi.h b/drivers/gpu/drm/i915/display/intel_ddi.h index 1aa0eedbf342..4a0c1d5c85e7 100644 --- a/drivers/gpu/drm/i915/display/intel_ddi.h +++ b/drivers/gpu/drm/i915/display/intel_ddi.h @@ -30,6 +30,9 @@ void intel_ddi_fdi_post_disable(struct intel_atomic_state *state, const struct drm_connector_state *old_conn_state); void intel_ddi_enable_clock(struct intel_encoder *encoder, const struct intel_crtc_state *crtc_state); +void hsw_ddi_enable_clock(struct intel_encoder *encoder, + const struct intel_crtc_state *crtc_state); +void hsw_ddi_disable_clock(struct intel_encoder *encoder); void intel_prepare_dp_ddi_buffers(struct intel_encoder *encoder, const struct intel_crtc_state *crtc_state); void intel_wait_ddi_buf_idle(struct drm_i915_private *dev_priv, |