[Intel-gfx] [PATCH 1/2] drm/i915/mtl: Drop FLAT CCS check

[Das, Nirmoy]

Pushed the series to drm-intel-gt-next.

This should handle few long standing MTL failures.

On 5/5/2023 4:40 PM, Nirmoy Das wrote:
> From: Pallavi Mishra <pallavi.mishra at intel.com>
>
> Remove FLAT CCS check from XY_FAST_COLOR_BLT usage, thus
> enabling MTL to use it.
>
> Signed-off-by: Pallavi Mishra <pallavi.mishra at intel.com>
> Signed-off-by: Juha-Pekka Heikkila <juhapekka.heikkila at gmail.com>
> Reviewed-by: Nirmoy Das <nirmoy.das at intel.com>
> Reviewed-by: Andrzej Hajda <andrzej.hajda at intel.com>
> Reviewed-by: Andi Shyti <andi.shyti at linux.intel.com>
> Signed-off-by: Nirmoy Das <nirmoy.das at intel.com>
> ---
>   drivers/gpu/drm/i915/gt/intel_migrate.c | 4 ++--
>   1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/gt/intel_migrate.c b/drivers/gpu/drm/i915/gt/intel_migrate.c
> index 3f638f198796..e0998879a0e1 100644
> --- a/drivers/gpu/drm/i915/gt/intel_migrate.c
> +++ b/drivers/gpu/drm/i915/gt/intel_migrate.c
> @@ -920,7 +920,7 @@ static int emit_clear(struct i915_request *rq, u32 offset, int size,
>   
>   	GEM_BUG_ON(size >> PAGE_SHIFT > S16_MAX);
>   
> -	if (HAS_FLAT_CCS(i915) && ver >= 12)
> +	if (GRAPHICS_VER_FULL(i915) >= IP_VER(12, 50))
>   		ring_sz = XY_FAST_COLOR_BLT_DW;
>   	else if (ver >= 8)
>   		ring_sz = 8;
> @@ -931,7 +931,7 @@ static int emit_clear(struct i915_request *rq, u32 offset, int size,
>   	if (IS_ERR(cs))
>   		return PTR_ERR(cs);
>   
> -	if (HAS_FLAT_CCS(i915) && ver >= 12) {
> +	if (GRAPHICS_VER_FULL(i915) >= IP_VER(12, 50)) {
>   		*cs++ = XY_FAST_COLOR_BLT_CMD | XY_FAST_COLOR_BLT_DEPTH_32 |
>   			(XY_FAST_COLOR_BLT_DW - 2);
>   		*cs++ = FIELD_PREP(XY_FAST_COLOR_BLT_MOCS_MASK, mocs) |