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| author | Vandana Kannan <vandana.kannan@intel.com> | 2015-03-27 15:19:09 +0300 |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2015-04-09 16:57:52 +0300 |
| commit | 3449ca859a2ea8466b58794b256892508ea0c1b0 (patch) | |
| tree | 4479eb20ca132e30919bc00283633cd4df18e17d /drivers/gpu/drm/i915/intel_ddi.c | |
| parent | 6c74c87f7cc94e71960e5a1044c1b26f68f7d3c8 (diff) | |
| download | linux-3449ca859a2ea8466b58794b256892508ea0c1b0.tar.xz | |
drm/i915/bxt: Increase DDI buf idle timeout
For BXT, DDI buf idle timeout delay needs to be increased to 16us.
Since this is a timeout value and we return as soon as the condition is
realized, no penalty incurred for other platforms.
v2:
- remove TIMEOUT macro used only at a single place (Daniel)
Suggested-by: Satheeshakrishna M <satheeshakrishna.m@intel.com>
Cc: Satheeshakrishna M <satheeshakrishna.m@intel.com>
Cc: Damien Lespiau <damien.lespiau@intel.com>
Signed-off-by: Vandana Kannan <vandana.kannan@intel.com>
Signed-off-by: Damien Lespiau <damien.lespiau@intel.com> (v1)
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'drivers/gpu/drm/i915/intel_ddi.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_ddi.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/intel_ddi.c b/drivers/gpu/drm/i915/intel_ddi.c index 47b9307da24b..1c9d439e864a 100644 --- a/drivers/gpu/drm/i915/intel_ddi.c +++ b/drivers/gpu/drm/i915/intel_ddi.c @@ -322,7 +322,7 @@ static void intel_wait_ddi_buf_idle(struct drm_i915_private *dev_priv, uint32_t reg = DDI_BUF_CTL(port); int i; - for (i = 0; i < 8; i++) { + for (i = 0; i < 16; i++) { udelay(1); if (I915_READ(reg) & DDI_BUF_IS_IDLE) return; |