On Thu, Jun 27, 2019 at 9:55 AM Dongwon Kim wrote:
>
> set bit15 (Disable Rebacking for Compression) of CACHE_MODE_0 register
Repacking
With minor nits fixed. This series is:
Reviewed-by: Anuj Phogat
I'll push the series after testing with these changes. Thanks for the patches :)
> if the gen attribute, 'disable_ccs_repack' is set.
>
> Signed-off-by: Dongwon Kim
> ---
> src/intel/vulkan/genX_state.c | 18 ++
> 1 file changed, 18 insertions(+)
>
> diff --git a/src/intel/vulkan/genX_state.c b/src/intel/vulkan/genX_state.c
> index 21b8cd648d4..c1163628cc0 100644
> --- a/src/intel/vulkan/genX_state.c
> +++ b/src/intel/vulkan/genX_state.c
> @@ -225,6 +225,24 @@ genX(init_device_state)(struct anv_device *device)
> }
> #endif
>
> +#if GEN_GEN >= 11
> + /* hardware specification recommends disabling repacking for
> +* the compatibility with decompression mechanism in display controller.
> +*/
> + if (device->info.disable_ccs_repack) {
> + uint32_t cache_mode_0;
> + anv_pack_struct(_mode_0,
> + GENX(CACHE_MODE_0),
> + .DisableRepackingforCompression = true,
> + .DisableRepackingforCompressionMask = true);
> +
> + anv_batch_emit(, GENX(MI_LOAD_REGISTER_IMM), lri) {
> + lri.RegisterOffset = GENX(CACHE_MODE_0_num);
> + lri.DataDWord = cache_mode_0;
> + }
> + }
> +#endif
> +
> /* Set the "CONSTANT_BUFFER Address Offset Disable" bit, so
> * 3DSTATE_CONSTANT_XS buffer 0 is an absolute address.
> *
> --
> 2.17.1
>
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