mirror of
https://abf.rosa.ru/djam/kernel-5.15.git
synced 2025-02-23 18:42:55 +00:00
588bd7cdd3
Found information about them by vising commits to Mesa.git here: https://github.com/asheplyakov/panfrost-baikalm-howto + viewe git log v5.4.10..45..[alt's tag] of kernel
27 lines
1 KiB
Diff
27 lines
1 KiB
Diff
From 5192df6d13aa5ad12c5ade843a598b428760d9c0 Mon Sep 17 00:00:00 2001
|
|
From: "Vadim V. Vlasov" <vvv19xx@gmail.com>
|
|
Date: Fri, 11 Dec 2020 16:55:06 +0300
|
|
Subject: [PATCH] drm/panfrost: Trim affinity for Mali T620
|
|
|
|
libmali uses 0xf affinity instead of 0xff for jobs in slot 1.
|
|
Looks like this resolves problem with cache incoherency.
|
|
---
|
|
drivers/gpu/drm/panfrost/panfrost_job.c | 2 ++
|
|
1 file changed, 2 insertions(+)
|
|
|
|
diff --git a/drivers/gpu/drm/panfrost/panfrost_job.c b/drivers/gpu/drm/panfrost/panfrost_job.c
|
|
index 04e6f6f9b742..28a1a8f50fad 100644
|
|
--- a/drivers/gpu/drm/panfrost/panfrost_job.c
|
|
+++ b/drivers/gpu/drm/panfrost/panfrost_job.c
|
|
@@ -143,6 +143,8 @@ static void panfrost_job_write_affinity(struct panfrost_device *pfdev,
|
|
* multiple (2) coherent core groups
|
|
*/
|
|
affinity = pfdev->features.shader_present;
|
|
+ if (panfrost_model_eq(pfdev, 0x620) && js == 1)
|
|
+ affinity &= 0xf;
|
|
|
|
job_write(pfdev, JS_AFFINITY_NEXT_LO(js), affinity & 0xFFFFFFFF);
|
|
job_write(pfdev, JS_AFFINITY_NEXT_HI(js), affinity >> 32);
|
|
--
|
|
2.31.1
|
|
|