add wifi6 8852be driver

hc

2024-12-19 9370bb92b2d16684ee45cf24e879c93c509162da

 kernel/drivers/gpu/drm/msm/msm_ringbuffer.h
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@@ -1,18 +1,7 @@
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+/* SPDX-License-Identifier: GPL-2.0-only */
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 /*
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  * Copyright (C) 2013 Red Hat
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  * Author: Rob Clark <robdclark@gmail.com>
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- *
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- * This program is free software; you can redistribute it and/or modify it
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- * under the terms of the GNU General Public License version 2 as published by
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- * the Free Software Foundation.
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- *
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- * This program is distributed in the hope that it will be useful, but WITHOUT
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- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
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- * more details.
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- *
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- * You should have received a copy of the GNU General Public License along with
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- * this program.  If not, see <http://www.gnu.org/licenses/>.
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  */
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 #ifndef __MSM_RINGBUFFER_H__
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@@ -23,9 +12,26 @@
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 #define rbmemptr(ring, member)  \
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 	((ring)->memptrs_iova + offsetof(struct msm_rbmemptrs, member))
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14
 
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+#define rbmemptr_stats(ring, index, member) \
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+	(rbmemptr((ring), stats) + \
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+	 ((index) * sizeof(struct msm_gpu_submit_stats)) + \
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+	 offsetof(struct msm_gpu_submit_stats, member))
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+
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+struct msm_gpu_submit_stats {
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+	u64 cpcycles_start;
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+	u64 cpcycles_end;
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+	u64 alwayson_start;
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+	u64 alwayson_end;
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+};
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+
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+#define MSM_GPU_SUBMIT_STATS_COUNT 64
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+
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 struct msm_rbmemptrs {
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 	volatile uint32_t rptr;
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 	volatile uint32_t fence;
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+
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+	volatile struct msm_gpu_submit_stats stats[MSM_GPU_SUBMIT_STATS_COUNT];
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+	volatile u64 ttbr0;
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 };
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 struct msm_ringbuffer {
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@@ -40,7 +46,12 @@
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 	struct msm_rbmemptrs *memptrs;
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 	uint64_t memptrs_iova;
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 	struct msm_fence_context *fctx;
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-	spinlock_t lock;
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+
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+	/*
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+	 * preempt_lock protects preemption and serializes wptr updates against
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+	 * preemption.  Can be aquired from irq context.
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+	 */
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+	spinlock_t preempt_lock;
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 };
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 struct msm_ringbuffer *msm_ringbuffer_new(struct msm_gpu *gpu, int id,