Now that we painstakingly track the shared pch dplls we can finally
implement pixel mutliplier readout support for pch ports, too.
v2: Undo the temporary hack to disable the sdvo pixel multiplier
cross-checking.
Cc: Imre Deak <imre.d...@intel.com>
Cc: Jesse Barnes <jbar...@virtuousgeek.org>
Signed-off-by: Daniel Vetter <daniel.vet...@ffwll.ch>
---
drivers/gpu/drm/i915/intel_display.c | 12 ++++++------
drivers/gpu/drm/i915/intel_sdvo.c | 3 ---
2 files changed, 6 insertions(+), 9 deletions(-)
diff --git a/drivers/gpu/drm/i915/intel_display.c
b/drivers/gpu/drm/i915/intel_display.c
index 04c2cab..16aacfa 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -5778,10 +5778,6 @@ static bool ironlake_get_pipe_config(struct intel_crtc
*crtc,
ironlake_get_fdi_m_n_config(crtc, pipe_config);
- /* XXX: Can't properly read out the pch dpll pixel multiplier
- * since we don't have state tracking for pch clocks yet. */
- pipe_config->pixel_multiplier = 1;
-
if (HAS_PCH_IBX(dev_priv->dev)) {
pipe_config->shared_dpll = crtc->pipe;
} else {
@@ -5796,6 +5792,11 @@ static bool ironlake_get_pipe_config(struct intel_crtc
*crtc,
WARN_ON(!pll->get_hw_state(dev_priv, pll,
&pipe_config->dpll_hw_state));
+
+ tmp = pipe_config->dpll_hw_state.dpll;
+ pipe_config->pixel_multiplier =
+ ((tmp & PLL_REF_SDVO_HDMI_MULTIPLIER_MASK)
+ >> PLL_REF_SDVO_HDMI_MULTIPLIER_SHIFT) + 1;
} else {
pipe_config->pixel_multiplier = 1;
}
@@ -8046,8 +8047,7 @@ intel_pipe_config_compare(struct drm_device *dev,
PIPE_CONF_CHECK_I(adjusted_mode.crtc_vsync_start);
PIPE_CONF_CHECK_I(adjusted_mode.crtc_vsync_end);
- if (!HAS_PCH_SPLIT(dev))
- PIPE_CONF_CHECK_I(pixel_multiplier);
+ PIPE_CONF_CHECK_I(pixel_multiplier);
PIPE_CONF_CHECK_FLAGS(adjusted_mode.flags,
DRM_MODE_FLAG_INTERLACE);
diff --git a/drivers/gpu/drm/i915/intel_sdvo.c
b/drivers/gpu/drm/i915/intel_sdvo.c
index 2628d56..8415d6a 100644
--- a/drivers/gpu/drm/i915/intel_sdvo.c
+++ b/drivers/gpu/drm/i915/intel_sdvo.c
@@ -1370,9 +1370,6 @@ static void intel_sdvo_get_config(struct intel_encoder
*encoder,
break;
}
- if(HAS_PCH_SPLIT(dev))
- return; /* no pixel multiplier readout support yet */
-
WARN(encoder_pixel_multiplier != pipe_config->pixel_multiplier,
"SDVO pixel multiplier mismatch, port: %i, encoder: %i\n",
pipe_config->pixel_multiplier, encoder_pixel_multiplier);
--
1.7.11.7
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