summaryrefslogtreecommitdiff
path: root/drivers/gpu/drm/i915
diff options
context:
space:
mode:
authorDaniel Vetter <daniel.vetter@ffwll.ch>2013-06-27 19:47:19 +0200
committerDaniel Vetter <daniel.vetter@ffwll.ch>2013-07-01 11:28:01 +0200
commitc93f54cf7de31d44b4036d0d1e291172b2bd5743 (patch)
treef71fd4b712aa00c236868b94d0d397eaa92638a3 /drivers/gpu/drm/i915
parent911bdf0ae6405db3313c6e5798cf08640fdd0714 (diff)
drm/i915: pixel multiplier readout support for pch ports
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.deak@intel.com> Cc: Jesse Barnes <jbarnes@virtuousgeek.org> Reviewed-by: Jesse Barnes <jbarnes@virtuousgeek.org> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'drivers/gpu/drm/i915')
-rw-r--r--drivers/gpu/drm/i915/intel_display.c12
-rw-r--r--drivers/gpu/drm/i915/intel_sdvo.c3
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 112120e909ee..65e8f5e512d2 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -5815,10 +5815,6 @@ 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 {
@@ -5833,6 +5829,11 @@ 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;
}
@@ -8083,8 +8084,7 @@ 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 2628d5622449..8415d6a610dd 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);