From 676fa5721c2eece4b27ac9be0cdb11c37de0a034 Mon Sep 17 00:00:00 2001 From: Chris Wilson Date: Wed, 24 Dec 2014 08:13:39 -0800 Subject: [PATCH] drm/i915: Move the ban period onto the context This will allow us to set per-file, or even per-context, periods in the future. Signed-off-by: Chris Wilson Signed-off-by: Rodrigo Vivi Reviewed-by: Mika Kuoppala Signed-off-by: Daniel Vetter --- drivers/gpu/drm/i915/i915_drv.h | 5 +++++ drivers/gpu/drm/i915/i915_gem.c | 3 ++- drivers/gpu/drm/i915/i915_gem_context.c | 2 ++ 3 files changed, 9 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index da52f9cdc5df..ee841349407e 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -678,6 +678,11 @@ struct i915_ctx_hang_stats { /* Time when this context was last blamed for a GPU reset */ unsigned long guilty_ts; + /* If the contexts causes a second GPU hang within this time, + * it is permanently banned from submitting any more work. + */ + unsigned long ban_period_seconds; + /* This context is banned to submit more work */ bool banned; }; diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c index 9cd457ae4427..3f6ca46a1dfe 100644 --- a/drivers/gpu/drm/i915/i915_gem.c +++ b/drivers/gpu/drm/i915/i915_gem.c @@ -2535,7 +2535,8 @@ static bool i915_context_is_banned(struct drm_i915_private *dev_priv, if (ctx->hang_stats.banned) return true; - if (elapsed <= DRM_I915_CTX_BAN_PERIOD) { + if (ctx->hang_stats.ban_period_seconds && + elapsed <= ctx->hang_stats.ban_period_seconds) { if (!i915_gem_context_is_default(ctx)) { DRM_DEBUG("context hanging too fast, banning!\n"); return true; diff --git a/drivers/gpu/drm/i915/i915_gem_context.c b/drivers/gpu/drm/i915/i915_gem_context.c index b9deade53f2e..1d10c21f979b 100644 --- a/drivers/gpu/drm/i915/i915_gem_context.c +++ b/drivers/gpu/drm/i915/i915_gem_context.c @@ -222,6 +222,8 @@ __create_hw_context(struct drm_device *dev, * is no remap info, it will be a NOP. */ ctx->remap_slice = (1 << NUM_L3_SLICES(dev)) - 1; + ctx->hang_stats.ban_period_seconds = DRM_I915_CTX_BAN_PERIOD; + return ctx; err_out: -- 2.20.1