[Mesa-dev] [PATCH v4] radeonsi: Disable clear_state with radeon kernel driver

[Marek Olšák]

Pushed, thanks!

Marek

On Fri, Oct 19, 2018 at 3:56 PM Jiang, Sonny <Sonny.Jiang at amd.com> wrote:

> Signed-off-by: Sonny Jiang <sonny.jiang at amd.com>
> Tested-by: Michel Dänzer <michel.daenzer at amd.com>
> ---
>  src/gallium/drivers/radeonsi/si_pipe.c  | 6 ++++--
>  src/gallium/drivers/radeonsi/si_state.c | 5 +++--
>  2 files changed, 7 insertions(+), 4 deletions(-)
>
> diff --git a/src/gallium/drivers/radeonsi/si_pipe.c
> b/src/gallium/drivers/radeonsi/si_pipe.c
> index 46cf37567f..e285b056db 100644
> --- a/src/gallium/drivers/radeonsi/si_pipe.c
> +++ b/src/gallium/drivers/radeonsi/si_pipe.c
> @@ -993,8 +993,10 @@ struct pipe_screen *radeonsi_screen_create(struct
> radeon_winsys *ws,
>         }
>
>         /* The mere presense of CLEAR_STATE in the IB causes random GPU
> hangs
> -        * on SI. */
> -       sscreen->has_clear_state = sscreen->info.chip_class >= CIK;
> +        * on SI. Some CLEAR_STATE cause asic hang on radeon kernel, etc.
> +        * SPI_VS_OUT_CONFIG. So only enable CI CLEAR_STATE on amdgpu
> kernel.*/
> +       sscreen->has_clear_state = sscreen->info.chip_class >= CIK &&
> +                                  sscreen->info.drm_major == 3;
>
>         sscreen->has_distributed_tess =
>                 sscreen->info.chip_class >= VI &&
> diff --git a/src/gallium/drivers/radeonsi/si_state.c
> b/src/gallium/drivers/radeonsi/si_state.c
> index 176ec74914..2977474130 100644
> --- a/src/gallium/drivers/radeonsi/si_state.c
> +++ b/src/gallium/drivers/radeonsi/si_state.c
> @@ -4899,8 +4899,9 @@ static void si_init_config(struct si_context *sctx)
>         bool has_clear_state = sscreen->has_clear_state;
>         struct si_pm4_state *pm4 = CALLOC_STRUCT(si_pm4_state);
>
> -       /* Only SI can disable CLEAR_STATE for now. */
> -       assert(has_clear_state || sscreen->info.chip_class == SI);
> +       /* SI, radeon kernel disabled CLEAR_STATE. */
> +       assert(has_clear_state || sscreen->info.chip_class == SI ||
> +              sscreen->info.drm_major != 3);
>
>         if (!pm4)
>                 return;
> --
> 2.17.1
>
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