1 files changed, 0 insertions, 152 deletions
diff --git a/drivers/gpu/drm/amd/display/dmub/inc/dmub_rb.h b/drivers/gpu/drm/amd/display/dmub/inc/dmub_rb.h
deleted file mode 100644
index 2ae48c18bb5b..000000000000
--- a/drivers/gpu/drm/amd/display/dmub/inc/dmub_rb.h
+++ /dev/null
@@ -1,152 +0,0 @@
-/*
- * Copyright 2019 Advanced Micro Devices, Inc.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
- * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
- * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
- * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
- * OTHER DEALINGS IN THE SOFTWARE.
- *
- * Authors: AMD
- *
- */
-
-#ifndef _DMUB_RB_H_
-#define _DMUB_RB_H_
-
-#include "dmub_types.h"
-#include "dmub_cmd.h"
-
-#if defined(__cplusplus)
-extern "C" {
-#endif
-
-struct dmub_rb_init_params {
-	void *ctx;
-	void *base_address;
-	uint32_t capacity;
-};
-
-struct dmub_rb {
-	void *base_address;
-	uint32_t data_count;
-	uint32_t rptr;
-	uint32_t wrpt;
-	uint32_t capacity;
-
-	void *ctx;
-	void *dmub;
-};
-
-
-static inline bool dmub_rb_empty(struct dmub_rb *rb)
-{
-	return (rb->wrpt == rb->rptr);
-}
-
-static inline bool dmub_rb_full(struct dmub_rb *rb)
-{
-	uint32_t data_count;
-
-	if (rb->wrpt >= rb->rptr)
-		data_count = rb->wrpt - rb->rptr;
-	else
-		data_count = rb->capacity - (rb->rptr - rb->wrpt);
-
-	return (data_count == (rb->capacity - DMUB_RB_CMD_SIZE));
-}
-
-static inline bool dmub_rb_push_front(struct dmub_rb *rb,
-				      const union dmub_rb_cmd *cmd)
-{
-	uint64_t volatile *dst = (uint64_t volatile *)(rb->base_address) + rb->wrpt / sizeof(uint64_t);
-	const uint64_t *src = (const uint64_t *)cmd;
-	int i;
-
-	if (dmub_rb_full(rb))
-		return false;
-
-	// copying data
-	for (i = 0; i < DMUB_RB_CMD_SIZE / sizeof(uint64_t); i++)
-		*dst++ = *src++;
-
-	rb->wrpt += DMUB_RB_CMD_SIZE;
-
-	if (rb->wrpt >= rb->capacity)
-		rb->wrpt %= rb->capacity;
-
-	return true;
-}
-
-static inline bool dmub_rb_front(struct dmub_rb *rb,
-				 union dmub_rb_cmd  *cmd)
-{
-	uint8_t *rd_ptr = (uint8_t *)rb->base_address + rb->rptr;
-
-	if (dmub_rb_empty(rb))
-		return false;
-
-	dmub_memcpy(cmd, rd_ptr, DMUB_RB_CMD_SIZE);
-
-	return true;
-}
-
-static inline bool dmub_rb_pop_front(struct dmub_rb *rb)
-{
-	if (dmub_rb_empty(rb))
-		return false;
-
-	rb->rptr += DMUB_RB_CMD_SIZE;
-
-	if (rb->rptr >= rb->capacity)
-		rb->rptr %= rb->capacity;
-
-	return true;
-}
-
-static inline void dmub_rb_flush_pending(const struct dmub_rb *rb)
-{
-	uint32_t rptr = rb->rptr;
-	uint32_t wptr = rb->wrpt;
-
-	while (rptr != wptr) {
-		uint64_t volatile *data = (uint64_t volatile *)rb->base_address + rptr / sizeof(uint64_t);
-		//uint64_t volatile *p = (uint64_t volatile *)data;
-		uint64_t temp;
-		int i;
-
-		for (i = 0; i < DMUB_RB_CMD_SIZE / sizeof(uint64_t); i++)
-			temp = *data++;
-
-		rptr += DMUB_RB_CMD_SIZE;
-		if (rptr >= rb->capacity)
-			rptr %= rb->capacity;
-	}
-}
-
-static inline void dmub_rb_init(struct dmub_rb *rb,
-				struct dmub_rb_init_params *init_params)
-{
-	rb->base_address = init_params->base_address;
-	rb->capacity = init_params->capacity;
-	rb->rptr = 0;
-	rb->wrpt = 0;
-}
-
-#if defined(__cplusplus)
-}
-#endif
-
-#endif /* _DMUB_RB_H_ */