Needed to handle pre/post enable/disable paths on VLV and avoid a few
fields that are marked reserved on VLV.
v2: don't set color range or DP PLL fields (Jani)
Signed-off-by: Jesse Barnes <jbarnes at virtuousgeek.org>
---
drivers/gpu/drm/i915/intel_dp.c | 11 +++++++----
1 file changed, 7 insertions(+), 4 deletions(-)
diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index 2f2ec42..7fb9213 100644
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -941,7 +941,7 @@ intel_dp_mode_set(struct drm_encoder *encoder, struct drm_display_mode *mode,
else
intel_dp->DP |= DP_PLL_FREQ_270MHZ;
} else if (!HAS_PCH_CPT(dev) || is_cpu_edp(intel_dp)) {
- if (!HAS_PCH_SPLIT(dev))
+ if (!HAS_PCH_SPLIT(dev) && !IS_VALLEYVIEW(dev))
intel_dp->DP |= intel_dp->color_range;
if (adjusted_mode->flags & DRM_MODE_FLAG_PHSYNC)
@@ -956,7 +956,7 @@ intel_dp_mode_set(struct drm_encoder *encoder, struct drm_display_mode *mode,
if (intel_crtc->pipe == 1)
intel_dp->DP |= DP_PIPEB_SELECT;
- if (is_cpu_edp(intel_dp)) {
+ if (is_cpu_edp(intel_dp) && !IS_VALLEYVIEW(dev)) {
/* don't miss out required setting for eDP */
if (adjusted_mode->clock < 200000)
intel_dp->DP |= DP_PLL_FREQ_160MHZ;
@@ -1388,10 +1388,12 @@ static void intel_disable_dp(struct intel_encoder *encoder)
static void intel_post_disable_dp(struct intel_encoder *encoder)
{
struct intel_dp *intel_dp = enc_to_intel_dp(&encoder->base);
+ struct drm_device *dev = encoder->base.dev;
if (is_cpu_edp(intel_dp)) {
intel_dp_link_down(intel_dp);
- ironlake_edp_pll_off(intel_dp);
+ if (!IS_VALLEYVIEW(dev))
+ ironlake_edp_pll_off(intel_dp);
}
}
@@ -1417,8 +1419,9 @@ static void intel_enable_dp(struct intel_encoder *encoder)
static void intel_pre_enable_dp(struct intel_encoder *encoder)
{
struct intel_dp *intel_dp = enc_to_intel_dp(&encoder->base);
+ struct drm_device *dev = encoder->base.dev;
- if (is_cpu_edp(intel_dp))
+ if (is_cpu_edp(intel_dp) && !IS_VALLEYVIEW(dev))
ironlake_edp_pll_on(intel_dp);
}
--
1.7.10.4
