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drm/i915: Only show debug for state changes when banning 

Since we trigger 10,000s of hangs and resets during selftesting, we emit
many, many thousands of lines of useless debug messages. Reduce the
frequency by only logging a change in state of a guilty context.

Fixes: 14921f3cef ("drm/i915: Fix context ban and hang accounting for client")
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Reviewed-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180618073135.10849-1-chris@chris-wilson.co.uk
This commit is contained in:
Chris Wilson 2018-06-18 08:31:35 +01:00
parent 02f361f5fd
commit bcc2661e32
1 changed files with 5 additions and 5 deletions
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10
drivers/gpu/drm/i915/i915_gem.c
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@ -2976,16 +2976,16 @@ static void i915_gem_context_mark_guilty(struct i915_gem_context *ctx)
score = atomic_add_return(CONTEXT_SCORE_GUILTY, &ctx->ban_score);
banned = score >= CONTEXT_SCORE_BAN_THRESHOLD;
DRM_DEBUG_DRIVER("context %s: guilty %d, score %u, ban %s\n",
ctx->name, atomic_read(&ctx->guilty_count),
score, yesno(banned && bannable));
/* Cool contexts don't accumulate client ban score */
if (!bannable)
return;
if (banned)
if (banned) {
DRM_DEBUG_DRIVER("context %s: guilty %d, score %u, banned\n",
ctx->name, atomic_read(&ctx->guilty_count),
score);
i915_gem_context_set_banned(ctx);
}
if (!IS_ERR_OR_NULL(ctx->file_priv))
i915_gem_client_mark_guilty(ctx->file_priv, ctx);