[Intel-gfx] [PATCH 2/3] drm/i915/dp: Use auxch precharge value of 5 everywhere
Adam Jackson
ajax at redhat.com
Tue Jul 26 21:39:45 CEST 2011
The default in the Sandybridge docs is 5, as on Ironlake, and I have no
reason to believe 3 would work any better.
Signed-off-by: Adam Jackson <ajax at redhat.com>
---
drivers/gpu/drm/i915/intel_dp.c | 7 +------
1 files changed, 1 insertions(+), 6 deletions(-)
diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index 3ad90f6..875da4e 100644
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -290,7 +290,7 @@ intel_dp_aux_ch(struct intel_dp *intel_dp,
int recv_bytes;
uint32_t status;
uint32_t aux_clock_divider;
- int try, precharge;
+ int try, precharge = 5;
/* The clock divider is based off the hrawclk,
* and would like to run at 2MHz. So, take the
@@ -309,11 +309,6 @@ intel_dp_aux_ch(struct intel_dp *intel_dp,
else
aux_clock_divider = intel_hrawclk(dev) / 2;
- if (IS_GEN6(dev))
- precharge = 3;
- else
- precharge = 5;
-
if (I915_READ(ch_ctl) & DP_AUX_CH_CTL_SEND_BUSY) {
DRM_ERROR("dp_aux_ch not started status 0x%08x\n",
I915_READ(ch_ctl));
--
1.7.6
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