From 071106ecf68c401173c58808b1cf5f68cc50d390 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Fri, 05 Jan 2024 08:39:27 +0000
Subject: [PATCH] change wifi driver to cypress
---
kernel/drivers/gpu/drm/msm/msm_ringbuffer.h | 37 ++++++++++++++++++++++++-------------
1 files changed, 24 insertions(+), 13 deletions(-)
diff --git a/kernel/drivers/gpu/drm/msm/msm_ringbuffer.h b/kernel/drivers/gpu/drm/msm/msm_ringbuffer.h
index cffce09..4956d1b 100644
--- a/kernel/drivers/gpu/drm/msm/msm_ringbuffer.h
+++ b/kernel/drivers/gpu/drm/msm/msm_ringbuffer.h
@@ -1,18 +1,7 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright (C) 2013 Red Hat
* Author: Rob Clark <robdclark@gmail.com>
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 as published by
- * the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef __MSM_RINGBUFFER_H__
@@ -23,9 +12,26 @@
#define rbmemptr(ring, member) \
((ring)->memptrs_iova + offsetof(struct msm_rbmemptrs, member))
+#define rbmemptr_stats(ring, index, member) \
+ (rbmemptr((ring), stats) + \
+ ((index) * sizeof(struct msm_gpu_submit_stats)) + \
+ offsetof(struct msm_gpu_submit_stats, member))
+
+struct msm_gpu_submit_stats {
+ u64 cpcycles_start;
+ u64 cpcycles_end;
+ u64 alwayson_start;
+ u64 alwayson_end;
+};
+
+#define MSM_GPU_SUBMIT_STATS_COUNT 64
+
struct msm_rbmemptrs {
volatile uint32_t rptr;
volatile uint32_t fence;
+
+ volatile struct msm_gpu_submit_stats stats[MSM_GPU_SUBMIT_STATS_COUNT];
+ volatile u64 ttbr0;
};
struct msm_ringbuffer {
@@ -40,7 +46,12 @@
struct msm_rbmemptrs *memptrs;
uint64_t memptrs_iova;
struct msm_fence_context *fctx;
- spinlock_t lock;
+
+ /*
+ * preempt_lock protects preemption and serializes wptr updates against
+ * preemption. Can be aquired from irq context.
+ */
+ spinlock_t preempt_lock;
};
struct msm_ringbuffer *msm_ringbuffer_new(struct msm_gpu *gpu, int id,
--
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