[PATCH 1/2] drm/xe: Always setup GT MMIO adjustment data

[Lucas De Marchi]

On Thu, Nov 14, 2024 at 06:59:54PM +0100, Michal Wajdeczko wrote:
>While we believed that xe_gt_mmio_init() will be called just once
>per GT, this might not be a case due to some tweaks that need to
>performed by the VF driver during early probe.  To avoid leaving

can you be explicit where this is being set on the VF case? Shouldn't VF
itself deal with fixing up what it did?

>any stale data in case of the re-run, reset the GT MMIO adjustment
>data for the non-media GT case.


Lucas De Marchi

>
>Signed-off-by: Michal Wajdeczko <michal.wajdeczko at intel.com>
>Cc: Matt Roper <matthew.d.roper at intel.com>
>---
> drivers/gpu/drm/xe/xe_gt.c | 3 +++
> 1 file changed, 3 insertions(+)
>
>diff --git a/drivers/gpu/drm/xe/xe_gt.c b/drivers/gpu/drm/xe/xe_gt.c
>index d6744be01a68..d45d2cecc4dc 100644
>--- a/drivers/gpu/drm/xe/xe_gt.c
>+++ b/drivers/gpu/drm/xe/xe_gt.c
>@@ -643,6 +643,9 @@ void xe_gt_mmio_init(struct xe_gt *gt)
> 	if (gt->info.type == XE_GT_TYPE_MEDIA) {
> 		gt->mmio.adj_offset = MEDIA_GT_GSI_OFFSET;
> 		gt->mmio.adj_limit = MEDIA_GT_GSI_LENGTH;
>+	} else {
>+		gt->mmio.adj_offset = 0;
>+		gt->mmio.adj_limit = 0;
> 	}
>
> 	if (IS_SRIOV_VF(gt_to_xe(gt)))
>-- 
>2.43.0
>