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[3/3] drm/i915: Don't ERROR for an expected intel_rcs_ctx_init() interruption

Message ID 1454086145-16160-3-git-send-email-chris@chris-wilson.co.uk (mailing list archive)
State New, archived
Headers show

Commit Message

Chris Wilson Jan. 29, 2016, 4:49 p.m. UTC
intel_rcs_ctx_init() can be interrupted by a signal (if it has to wait
upon a full ring to advance). Don't emit an error for this.

Testcase: igt/gem_concurrent_blit
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
---
 drivers/gpu/drm/i915/intel_ringbuffer.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

Comments

Tvrtko Ursulin Feb. 11, 2016, 12:12 p.m. UTC | #1
On 29/01/16 16:49, Chris Wilson wrote:
> intel_rcs_ctx_init() can be interrupted by a signal (if it has to wait
> upon a full ring to advance). Don't emit an error for this.
>
> Testcase: igt/gem_concurrent_blit
> Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
> ---
>   drivers/gpu/drm/i915/intel_ringbuffer.c | 4 ++--
>   1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c
> index 6f5b511bdb5d..b813bbc8e41c 100644
> --- a/drivers/gpu/drm/i915/intel_ringbuffer.c
> +++ b/drivers/gpu/drm/i915/intel_ringbuffer.c
> @@ -746,9 +746,9 @@ static int intel_rcs_ctx_init(struct drm_i915_gem_request *req)
>
>   	ret = i915_gem_render_state_init(req);
>   	if (ret)
> -		DRM_ERROR("init render state: %d\n", ret);
> +		return ret;
>
> -	return ret;
> +	return 0;
>   }
>
>   static int wa_add(struct drm_i915_private *dev_priv,
>

Or just "return i915_gem_render_state_init(req);", but that is way below 
the threshold.

Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>

Regards,

Tvrtko
Daniel Vetter Feb. 15, 2016, 9:48 a.m. UTC | #2
On Thu, Feb 11, 2016 at 12:12:26PM +0000, Tvrtko Ursulin wrote:
> 
> On 29/01/16 16:49, Chris Wilson wrote:
> >intel_rcs_ctx_init() can be interrupted by a signal (if it has to wait
> >upon a full ring to advance). Don't emit an error for this.
> >
> >Testcase: igt/gem_concurrent_blit
> >Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
> >---
> >  drivers/gpu/drm/i915/intel_ringbuffer.c | 4 ++--
> >  1 file changed, 2 insertions(+), 2 deletions(-)
> >
> >diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c
> >index 6f5b511bdb5d..b813bbc8e41c 100644
> >--- a/drivers/gpu/drm/i915/intel_ringbuffer.c
> >+++ b/drivers/gpu/drm/i915/intel_ringbuffer.c
> >@@ -746,9 +746,9 @@ static int intel_rcs_ctx_init(struct drm_i915_gem_request *req)
> >
> >  	ret = i915_gem_render_state_init(req);
> >  	if (ret)
> >-		DRM_ERROR("init render state: %d\n", ret);
> >+		return ret;
> >
> >-	return ret;
> >+	return 0;
> >  }
> >
> >  static int wa_add(struct drm_i915_private *dev_priv,
> >
> 
> Or just "return i915_gem_render_state_init(req);", but that is way below the
> threshold.
> 
> Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>

Queued for -next, thanks for the patch.
-Daniel
diff mbox

Patch

diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c
index 6f5b511bdb5d..b813bbc8e41c 100644
--- a/drivers/gpu/drm/i915/intel_ringbuffer.c
+++ b/drivers/gpu/drm/i915/intel_ringbuffer.c
@@ -746,9 +746,9 @@  static int intel_rcs_ctx_init(struct drm_i915_gem_request *req)
 
 	ret = i915_gem_render_state_init(req);
 	if (ret)
-		DRM_ERROR("init render state: %d\n", ret);
+		return ret;
 
-	return ret;
+	return 0;
 }
 
 static int wa_add(struct drm_i915_private *dev_priv,