[PATCH 1/1] drm/xe/pf: Add runtime registers for graphics gen >= 30

[Bernatowicz, Marcin]

On 1/28/2025 12:03 PM, Jakub Kolakowski wrote:
> Add missing runtime registers for graphics versions of 3000 or higher.
> This is required for Xe3 where additionally we have
> MIRROR_L3BANK_ENABLE register.

Nit: "... Xe3, where the MIRROR_L3BANK_ENABLE register was introduced by 
commit 11a64adcdbcc ("drm/xe/xe3: Generate and store the L3 bank mask").

Tested-by: Marcin Bernatowicz <marcin.bernatowicz at linux.intel.com>

> 
> Signed-off-by: Jakub Kolakowski <jakub1.kolakowski at intel.com>
> Suggested-by: Piotr Piórkowski <piotr.piorkowski at intel.com>
> Cc: Adam Miszczak <adam.miszczak at linux.intel.com>
> Cc: Jakub Kolakowski <jakub1.kolakowski at intel.com>
> Cc: Lukasz Laguna <lukasz.laguna at intel.com>
> Cc: Marcin Bernatowicz <marcin.bernatowicz at linux.intel.com>
> Cc: Michal Wajdeczko <michal.wajdeczko at intel.com>
> Cc: Piotr Piorkowski <piotr.piorkowski at intel.com>
> Cc: Satyanarayana K V P <satyanarayana.k.v.p at intel.com>
> ---
>   drivers/gpu/drm/xe/xe_gt_sriov_pf_service.c | 23 ++++++++++++++++++++-
>   1 file changed, 22 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/xe/xe_gt_sriov_pf_service.c b/drivers/gpu/drm/xe/xe_gt_sriov_pf_service.c
> index 924e75b94aec..6b5f849a0722 100644
> --- a/drivers/gpu/drm/xe/xe_gt_sriov_pf_service.c
> +++ b/drivers/gpu/drm/xe/xe_gt_sriov_pf_service.c
> @@ -176,11 +176,32 @@ static const struct xe_reg ver_2000_runtime_regs[] = {
>   	TIMESTAMP_OVERRIDE,		/* _MMIO(0x44074) */
>   };
>   
> +static const struct xe_reg ver_3000_runtime_regs[] = {
> +	RPM_CONFIG0,			/* _MMIO(0x0d00) */
> +	XEHP_FUSE4,			/* _MMIO(0x9114) */
> +	MIRROR_FUSE3,			/* _MMIO(0x9118) */
> +	MIRROR_FUSE1,			/* _MMIO(0x911c) */
> +	MIRROR_L3BANK_ENABLE,		/* _MMIO(0x9130) */
> +	XELP_EU_ENABLE,			/* _MMIO(0x9134) */
> +	XELP_GT_GEOMETRY_DSS_ENABLE,	/* _MMIO(0x913c) */
> +	GT_VEBOX_VDBOX_DISABLE,		/* _MMIO(0x9140) */
> +	XEHP_GT_COMPUTE_DSS_ENABLE,	/* _MMIO(0x9144) */
> +	XEHPC_GT_COMPUTE_DSS_ENABLE_EXT,/* _MMIO(0x9148) */
> +	XE2_GT_COMPUTE_DSS_2,		/* _MMIO(0x914c) */
> +	XE2_GT_GEOMETRY_DSS_1,		/* _MMIO(0x9150) */
> +	XE2_GT_GEOMETRY_DSS_2,		/* _MMIO(0x9154) */
> +	CTC_MODE,			/* _MMIO(0xa26c) */
> +	HUC_KERNEL_LOAD_INFO,		/* _MMIO(0xc1dc) */
> +};
> +
>   static const struct xe_reg *pick_runtime_regs(struct xe_device *xe, unsigned int *count)
>   {
>   	const struct xe_reg *regs;
>   
> -	if (GRAPHICS_VERx100(xe) >= 2000) {
> +	if (GRAPHICS_VERx100(xe) >= 3000) {
> +		*count = ARRAY_SIZE(ver_3000_runtime_regs);
> +		regs = ver_3000_runtime_regs;
> +	} else if (GRAPHICS_VERx100(xe) >= 2000) {
>   		*count = ARRAY_SIZE(ver_2000_runtime_regs);
>   		regs = ver_2000_runtime_regs;
>   	} else if (GRAPHICS_VERx100(xe) >= 1270) {