Bspec says that we should timeout after 500us. Let's match this in the code. It may help with few of the timeouts we see here and there.
Bspec: 22243, 49190 Issue: https://gitlab.freedesktop.org/drm/intel/issues/1069 Suggested-by: Uma Shankar <uma.shan...@intel.com> Cc: Imre Deak <imre.d...@intel.com> Signed-off-by: Arkadiusz Hiler <arkadiusz.hi...@intel.com> --- drivers/gpu/drm/i915/display/intel_ddi.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/i915/display/intel_ddi.c b/drivers/gpu/drm/i915/display/intel_ddi.c index 73d0f4648c06..28650797fc2f 100644 --- a/drivers/gpu/drm/i915/display/intel_ddi.c +++ b/drivers/gpu/drm/i915/display/intel_ddi.c @@ -1097,7 +1097,7 @@ static void intel_wait_ddi_buf_idle(struct drm_i915_private *dev_priv, i915_reg_t reg = DDI_BUF_CTL(port); int i; - for (i = 0; i < 16; i++) { + for (i = 0; i < 500; i++) { udelay(1); if (intel_de_read(dev_priv, reg) & DDI_BUF_IS_IDLE) return; -- 2.24.1 _______________________________________________ Intel-gfx mailing list Intel-gfx@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/intel-gfx
