From: Chris Wilson Date: Mon, 11 Nov 2019 11:43:22 +0000 (+0000) Subject: drm/i915: Show guilty context name on GPU reset X-Git-Tag: v5.15~3115^2~24^2~1786 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=dfd9c1b4eab124c16c3b59362c3640983bf79949;p=platform%2Fkernel%2Flinux-starfive.git drm/i915: Show guilty context name on GPU reset We mention that we are resetting the GPU, and dump the device state for post mortem debugging. However, while that dump contains the active processes and the one flagged as causing the error, we do not always include that information in dmesg. Include the name of the guilty process in dmesg for reference. Signed-off-by: Chris Wilson Cc: Mika Kuoppala Cc: Tvrtko Ursulin Reviewed-by: Mika Kuoppala Link: https://patchwork.freedesktop.org/patch/msgid/20191111114323.5833-4-chris@chris-wilson.co.uk --- diff --git a/drivers/gpu/drm/i915/gt/intel_reset.c b/drivers/gpu/drm/i915/gt/intel_reset.c index f03e000..86d5238 100644 --- a/drivers/gpu/drm/i915/gt/intel_reset.c +++ b/drivers/gpu/drm/i915/gt/intel_reset.c @@ -87,6 +87,10 @@ static bool context_mark_guilty(struct i915_gem_context *ctx) if (!i915_gem_context_is_bannable(ctx)) return false; + dev_notice(ctx->i915->drm.dev, + "%s context reset due to GPU hang\n", + ctx->name); + /* Record the timestamp for the last N hangs */ prev_hang = ctx->hang_timestamp[0]; for (i = 0; i < ARRAY_SIZE(ctx->hang_timestamp) - 1; i++)