From: Chris Wilson Date: Fri, 21 Jul 2017 12:32:29 +0000 (+0100) Subject: drm/i915: Clear engine irq posted following a reset X-Git-Tag: v4.14-rc1~8^2~20^2~130 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=ed454f2cd61a54d00c267e385c0600bae0761833;p=platform%2Fkernel%2Flinux-exynos.git drm/i915: Clear engine irq posted following a reset When the GPU is reset, we want to discard all pending notifications as either we have manually completed them, or they are no longer applicable. Make sure we do reset the engine->irq_posted prior to re-enabling the engine (e.g. the interrupt tasklets) in i915_gem_reset_finish_engine(). Signed-off-by: Chris Wilson Reviewed-by: Michel Thierry Link: https://patchwork.freedesktop.org/patch/msgid/20170721123238.16428-11-chris@chris-wilson.co.uk Signed-off-by: Daniel Vetter --- diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c index 2ff5e23..fcf7fee 100644 --- a/drivers/gpu/drm/i915/i915_gem.c +++ b/drivers/gpu/drm/i915/i915_gem.c @@ -2964,6 +2964,8 @@ static bool i915_gem_reset_request(struct drm_i915_gem_request *request) void i915_gem_reset_engine(struct intel_engine_cs *engine, struct drm_i915_gem_request *request) { + engine->irq_posted = 0; + if (request && i915_gem_reset_request(request)) { DRM_DEBUG_DRIVER("resetting %s to restart from tail of request 0x%x\n", engine->name, request->global_seqno);