From: Vandana Kannan <[email protected]> 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 <[email protected]> Cc: Satheeshakrishna M <[email protected]> Cc: Damien Lespiau <[email protected]> Signed-off-by: Vandana Kannan <[email protected]> Signed-off-by: Damien Lespiau <[email protected]> (v1) --- drivers/gpu/drm/i915/intel_ddi.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/i915/intel_ddi.c b/drivers/gpu/drm/i915/intel_ddi.c index 8aee7d7..e24cd6f 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; -- 2.1.0 _______________________________________________ Intel-gfx mailing list [email protected] http://lists.freedesktop.org/mailman/listinfo/intel-gfx
