On Fri, Feb 9, 2018 at 3:43 PM, Jason Ekstrand wrote:
> From: Daniel Stone
>
> Reviewed-by: Jason Ekstrand
>
Ugh... I meant to take that off before sending...
> ---
> src/mesa/drivers/dri/i965/intel_screen.c | 17 +++--
> 1 file changed, 15 insertions(+), 2 deletions(-)
>
> diff --git a/src/mesa/drivers/dri/i965/intel_screen.c
> b/src/mesa/drivers/dri/i965/intel_screen.c
> index 92d9e28..9a54f27 100644
> --- a/src/mesa/drivers/dri/i965/intel_screen.c
> +++ b/src/mesa/drivers/dri/i965/intel_screen.c
> @@ -1369,8 +1369,14 @@ intel_from_planar(__DRIimage *parent, int plane,
> void *loaderPrivate)
> return image;
> }
>
> -static const __DRIimageExtension intelImageExtension = {
> -.base = { __DRI_IMAGE, 16 },
> +static void
> +intel_image_suppress_implicit_sync(__DRIimage *image)
> +{
> +image->bo->kflags |= EXEC_OBJECT_ASYNC;
> +}
> +
> +static __DRIimageExtension intelImageExtension = {
> +.base = { __DRI_IMAGE, 18 },
>
> .createImageFromName= intel_create_image_from_name,
> .createImageFromRenderbuffer= intel_create_image_from_
> renderbuffer,
> @@ -1393,6 +1399,8 @@ static const __DRIimageExtension intelImageExtension
> = {
> .queryDmaBufFormats = intel_query_dma_buf_formats,
> .queryDmaBufModifiers = intel_query_dma_buf_modifiers,
> .queryDmaBufFormatModifierAttribs = intel_query_format_modifier_
> attribs,
> +.createImageFromRenderbuffer2 = NULL,
> +.suppressImplicitSync = NULL,
> };
>
> static uint64_t
> @@ -2683,6 +2691,11 @@ __DRIconfig **intelInitScreen2(__DRIscreen
> *dri_screen)
> (ret != -1 || errno != EINVAL);
> }
>
> + if (intel_get_boolean(screen, I915_PARAM_HAS_EXEC_ASYNC)) {
> + intelImageExtension.suppressImplicitSync =
> + intel_image_suppress_implicit_sync;
>
I really don't like this. Structs of function pointers really should be
static const. That said, the screen is basically a singleton so maybe it
doesn't matter.
Another option would be to claim to always support and it just does nothing
on old kernels. Prior to the scheduler landing, i915 was a FIFO anyway
> + }
> +
> dri_screen->extensions = !screen->has_context_reset_notification
>? screenExtensions : intelRobustScreenExtensions;
>
> --
> 2.5.0.400.gff86faf
>
>
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