[Intel-gfx] [PATCH 6/7] drm/i915: untested DP support for Ivy Bridge
Jesse Barnes
jbarnes at virtuousgeek.org
Wed Apr 27 01:51:07 CEST 2011
Treat it like Sandy Bridge in a few places.
Signed-off-by: Jesse Barnes <jbarnes at virtuousgeek.org>
---
drivers/gpu/drm/i915/intel_dp.c | 6 +++---
1 files changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index 0daefca..1d0eccd 100644
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -312,7 +312,7 @@ intel_dp_aux_ch(struct intel_dp *intel_dp,
else
aux_clock_divider = intel_hrawclk(dev) / 2;
- if (IS_GEN6(dev))
+ if (IS_GEN6(dev) || IS_GEN7(dev))
precharge = 3;
else
precharge = 5;
@@ -1302,7 +1302,7 @@ intel_dp_start_link_train(struct intel_dp *intel_dp)
for (;;) {
/* Use intel_dp->train_set[0] to set the voltage and pre emphasis values */
uint32_t signal_levels;
- if (IS_GEN6(dev) && is_edp(intel_dp)) {
+ if ((IS_GEN6(dev) || IS_GEN7(dev)) && is_edp(intel_dp)) {
signal_levels = intel_gen6_edp_signal_levels(intel_dp->train_set[0]);
DP = (DP & ~EDP_LINK_TRAIN_VOL_EMP_MASK_SNB) | signal_levels;
} else {
@@ -1376,7 +1376,7 @@ intel_dp_complete_link_train(struct intel_dp *intel_dp)
break;
}
- if (IS_GEN6(dev) && is_edp(intel_dp)) {
+ if ((IS_GEN6(dev) || IS_GEN7(dev)) && is_edp(intel_dp)) {
signal_levels = intel_gen6_edp_signal_levels(intel_dp->train_set[0]);
DP = (DP & ~EDP_LINK_TRAIN_VOL_EMP_MASK_SNB) | signal_levels;
} else {
--
1.7.4.1
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