drm/amdgpu: separate amdgpu_rlc into a single file

Separate the function and struct of RLC from the file of GFX.
Abstract the function of amdgpu_gfx_rlc_fini.
Signed-off-by: Likun Gao <Likun.Gao@amd.com>
Acked-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/amdgpu/Makefile

@@ -105,6 +105,7 @@ amdgpu-y += \
 # add GFX block
 amdgpu-y += \
 	amdgpu_gfx.o \
+	amdgpu_rlc.o \
 	gfx_v8_0.o \
 	gfx_v9_0.o
 

drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c

@@ -25,6 +25,7 @@
 #include <drm/drmP.h>
 #include "amdgpu.h"
 #include "amdgpu_gfx.h"
+#include "amdgpu_rlc.h"
 
 /* delay 0.1 second to enable gfx off feature */
 #define GFX_OFF_DELAY_ENABLE         msecs_to_jiffies(100)

drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.h

@@ -29,6 +29,7 @@
  */
 #include "clearstate_defs.h"
 #include "amdgpu_ring.h"
+#include "amdgpu_rlc.h"
 
 /* GFX current status */
 #define AMDGPU_GFX_NORMAL_MODE			0x00000000L
@@ -37,65 +38,6 @@
 #define AMDGPU_GFX_CG_DISABLED_MODE		0x00000004L
 #define AMDGPU_GFX_LBPW_DISABLED_MODE		0x00000008L
 
-
-struct amdgpu_rlc_funcs {
-	void (*enter_safe_mode)(struct amdgpu_device *adev);
-	void (*exit_safe_mode)(struct amdgpu_device *adev);
-	int  (*init)(struct amdgpu_device *adev);
-	void (*fini)(struct amdgpu_device *adev);
-	int  (*resume)(struct amdgpu_device *adev);
-	void (*stop)(struct amdgpu_device *adev);
-	void (*reset)(struct amdgpu_device *adev);
-	void (*start)(struct amdgpu_device *adev);
-};
-
-struct amdgpu_rlc {
-	/* for power gating */
-	struct amdgpu_bo	*save_restore_obj;
-	uint64_t		save_restore_gpu_addr;
-	volatile uint32_t	*sr_ptr;
-	const u32               *reg_list;
-	u32                     reg_list_size;
-	/* for clear state */
-	struct amdgpu_bo	*clear_state_obj;
-	uint64_t		clear_state_gpu_addr;
-	volatile uint32_t	*cs_ptr;
-	const struct cs_section_def   *cs_data;
-	u32                     clear_state_size;
-	/* for cp tables */
-	struct amdgpu_bo	*cp_table_obj;
-	uint64_t		cp_table_gpu_addr;
-	volatile uint32_t	*cp_table_ptr;
-	u32                     cp_table_size;
-
-	/* safe mode for updating CG/PG state */
-	bool in_safe_mode;
-	const struct amdgpu_rlc_funcs *funcs;
-
-	/* for firmware data */
-	u32 save_and_restore_offset;
-	u32 clear_state_descriptor_offset;
-	u32 avail_scratch_ram_locations;
-	u32 reg_restore_list_size;
-	u32 reg_list_format_start;
-	u32 reg_list_format_separate_start;
-	u32 starting_offsets_start;
-	u32 reg_list_format_size_bytes;
-	u32 reg_list_size_bytes;
-	u32 reg_list_format_direct_reg_list_length;
-	u32 save_restore_list_cntl_size_bytes;
-	u32 save_restore_list_gpm_size_bytes;
-	u32 save_restore_list_srm_size_bytes;
-
-	u32 *register_list_format;
-	u32 *register_restore;
-	u8 *save_restore_list_cntl;
-	u8 *save_restore_list_gpm;
-	u8 *save_restore_list_srm;
-
-	bool is_rlc_v2_1;
-};
-
 #define AMDGPU_MAX_COMPUTE_QUEUES KGD_MAX_QUEUES
 
 struct amdgpu_mec {

drivers/gpu/drm/amd/amdgpu/amdgpu_rlc.c

+
+/*
+ * Copyright 2014 Advanced Micro Devices, Inc.
+ * Copyright 2008 Red Hat Inc.
+ * Copyright 2009 Jerome Glisse.
+ *
+ * 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.
+ *
+ */
+
+#include "amdgpu.h"
+#include "amdgpu_gfx.h"
+#include "amdgpu_rlc.h"
+
+/**
+ * amdgpu_gfx_rlc_fini - Free BO which used for RLC
+ *
+ * @adev: amdgpu_device pointer
+ *
+ * Free three BO which is used for rlc_save_restore_block, rlc_clear_state_block
+ * and rlc_jump_table_block.
+ */
+void amdgpu_gfx_rlc_fini(struct amdgpu_device *adev)
+{
+	/* save restore block */
+	if (adev->gfx.rlc.save_restore_obj) {
+		amdgpu_bo_free_kernel(&adev->gfx.rlc.save_restore_obj,
+				      &adev->gfx.rlc.save_restore_gpu_addr,
+				      (void **)&adev->gfx.rlc.sr_ptr);
+	}
+
+	/* clear state block */
+	amdgpu_bo_free_kernel(&adev->gfx.rlc.clear_state_obj,
+			      &adev->gfx.rlc.clear_state_gpu_addr,
+			      (void **)&adev->gfx.rlc.cs_ptr);
+
+	/* jump table block */
+	amdgpu_bo_free_kernel(&adev->gfx.rlc.cp_table_obj,
+			      &adev->gfx.rlc.cp_table_gpu_addr,
+			      (void **)&adev->gfx.rlc.cp_table_ptr);
+}

drivers/gpu/drm/amd/amdgpu/amdgpu_rlc.h

+
+/*
+ * Copyright 2014 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.
+ *
+ */
+
+#ifndef __AMDGPU_RLC_H__
+#define __AMDGPU_RLC_H__
+
+#include "clearstate_defs.h"
+
+struct amdgpu_rlc_funcs {
+	void (*enter_safe_mode)(struct amdgpu_device *adev);
+	void (*exit_safe_mode)(struct amdgpu_device *adev);
+	int  (*init)(struct amdgpu_device *adev);
+	int  (*resume)(struct amdgpu_device *adev);
+	void (*stop)(struct amdgpu_device *adev);
+	void (*reset)(struct amdgpu_device *adev);
+	void (*start)(struct amdgpu_device *adev);
+};
+
+struct amdgpu_rlc {
+	/* for power gating */
+	struct amdgpu_bo	*save_restore_obj;
+	uint64_t		save_restore_gpu_addr;
+	volatile uint32_t	*sr_ptr;
+	const u32               *reg_list;
+	u32                     reg_list_size;
+	/* for clear state */
+	struct amdgpu_bo	*clear_state_obj;
+	uint64_t		clear_state_gpu_addr;
+	volatile uint32_t	*cs_ptr;
+	const struct cs_section_def   *cs_data;
+	u32                     clear_state_size;
+	/* for cp tables */
+	struct amdgpu_bo	*cp_table_obj;
+	uint64_t		cp_table_gpu_addr;
+	volatile uint32_t	*cp_table_ptr;
+	u32                     cp_table_size;
+
+	/* safe mode for updating CG/PG state */
+	bool in_safe_mode;
+	const struct amdgpu_rlc_funcs *funcs;
+
+	/* for firmware data */
+	u32 save_and_restore_offset;
+	u32 clear_state_descriptor_offset;
+	u32 avail_scratch_ram_locations;
+	u32 reg_restore_list_size;
+	u32 reg_list_format_start;
+	u32 reg_list_format_separate_start;
+	u32 starting_offsets_start;
+	u32 reg_list_format_size_bytes;
+	u32 reg_list_size_bytes;
+	u32 reg_list_format_direct_reg_list_length;
+	u32 save_restore_list_cntl_size_bytes;
+	u32 save_restore_list_gpm_size_bytes;
+	u32 save_restore_list_srm_size_bytes;
+
+	u32 *register_list_format;
+	u32 *register_restore;
+	u8 *save_restore_list_cntl;
+	u8 *save_restore_list_gpm;
+	u8 *save_restore_list_srm;
+
+	bool is_rlc_v2_1;
+};
+
+void amdgpu_gfx_rlc_fini(struct amdgpu_device *adev);
+
+#endif

drivers/gpu/drm/amd/amdgpu/gfx_v6_0.c

@@ -2351,13 +2351,6 @@ static void gfx_v6_0_ring_emit_wreg(struct amdgpu_ring *ring,
 	amdgpu_ring_write(ring, val);
 }
 
-static void gfx_v6_0_rlc_fini(struct amdgpu_device *adev)
-{
-	amdgpu_bo_free_kernel(&adev->gfx.rlc.save_restore_obj, NULL, NULL);
-	amdgpu_bo_free_kernel(&adev->gfx.rlc.clear_state_obj, NULL, NULL);
-	amdgpu_bo_free_kernel(&adev->gfx.rlc.cp_table_obj, NULL, NULL);
-}
-
 static int gfx_v6_0_rlc_init(struct amdgpu_device *adev)
 {
 	const u32 *src_ptr;
@@ -2386,7 +2379,7 @@ static int gfx_v6_0_rlc_init(struct amdgpu_device *adev)
 		if (r) {
 			dev_warn(adev->dev, "(%d) create RLC sr bo failed\n",
 				 r);
-			adev->gfx.rlc.funcs->fini(adev);
+			amdgpu_gfx_rlc_fini(adev);
 			return r;
 		}
 
@@ -2411,7 +2404,7 @@ static int gfx_v6_0_rlc_init(struct amdgpu_device *adev)
 					      (void **)&adev->gfx.rlc.cs_ptr);
 		if (r) {
 			dev_warn(adev->dev, "(%d) create RLC c bo failed\n", r);
-			adev->gfx.rlc.funcs->fini(adev);
+			amdgpu_gfx_rlc_fini(adev);
 			return r;
 		}
 
@@ -3060,7 +3053,6 @@ static const struct amdgpu_gfx_funcs gfx_v6_0_gfx_funcs = {
 
 static const struct amdgpu_rlc_funcs gfx_v6_0_rlc_funcs = {
 	.init = gfx_v6_0_rlc_init,
-	.fini = gfx_v6_0_rlc_fini,
 	.resume = gfx_v6_0_rlc_resume,
 	.stop = gfx_v6_0_rlc_stop,
 	.reset = gfx_v6_0_rlc_reset,
@@ -3158,7 +3150,7 @@ static int gfx_v6_0_sw_fini(void *handle)
 	for (i = 0; i < adev->gfx.num_compute_rings; i++)
 		amdgpu_ring_fini(&adev->gfx.compute_ring[i]);
 
-	adev->gfx.rlc.funcs->fini(adev);
+	amdgpu_gfx_rlc_fini(adev);
 
 	return 0;
 }

drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c

@@ -3252,13 +3252,6 @@ static void gfx_v7_0_ring_emit_wreg(struct amdgpu_ring *ring,
  * The RLC is a multi-purpose microengine that handles a
  * variety of functions.
  */
-static void gfx_v7_0_rlc_fini(struct amdgpu_device *adev)
-{
-	amdgpu_bo_free_kernel(&adev->gfx.rlc.save_restore_obj, NULL, NULL);
-	amdgpu_bo_free_kernel(&adev->gfx.rlc.clear_state_obj, NULL, NULL);
-	amdgpu_bo_free_kernel(&adev->gfx.rlc.cp_table_obj, NULL, NULL);
-}
-
 static int gfx_v7_0_rlc_init(struct amdgpu_device *adev)
 {
 	const u32 *src_ptr;
@@ -3298,7 +3291,7 @@ static int gfx_v7_0_rlc_init(struct amdgpu_device *adev)
 					      (void **)&adev->gfx.rlc.sr_ptr);
 		if (r) {
 			dev_warn(adev->dev, "(%d) create, pin or map of RLC sr bo failed\n", r);
-			adev->gfx.rlc.funcs->fini(adev);
+			amdgpu_gfx_rlc_fini(adev);
 			return r;
 		}
 
@@ -3321,7 +3314,7 @@ static int gfx_v7_0_rlc_init(struct amdgpu_device *adev)
 					      (void **)&adev->gfx.rlc.cs_ptr);
 		if (r) {
 			dev_warn(adev->dev, "(%d) create RLC c bo failed\n", r);
-			adev->gfx.rlc.funcs->fini(adev);
+			amdgpu_gfx_rlc_fini(adev);
 			return r;
 		}
 
@@ -3341,7 +3334,7 @@ static int gfx_v7_0_rlc_init(struct amdgpu_device *adev)
 					      (void **)&adev->gfx.rlc.cp_table_ptr);
 		if (r) {
 			dev_warn(adev->dev, "(%d) create RLC cp table bo failed\n", r);
-			adev->gfx.rlc.funcs->fini(adev);
+			amdgpu_gfx_rlc_fini(adev);
 			return r;
 		}
 
@@ -4275,7 +4268,6 @@ static const struct amdgpu_rlc_funcs gfx_v7_0_rlc_funcs = {
 	.enter_safe_mode = gfx_v7_0_enter_rlc_safe_mode,
 	.exit_safe_mode = gfx_v7_0_exit_rlc_safe_mode,
 	.init = gfx_v7_0_rlc_init,
-	.fini = gfx_v7_0_rlc_fini,
 	.resume = gfx_v7_0_rlc_resume,
 	.stop = gfx_v7_0_rlc_stop,
 	.reset = gfx_v7_0_rlc_reset,
@@ -4594,7 +4586,7 @@ static int gfx_v7_0_sw_fini(void *handle)
 		amdgpu_ring_fini(&adev->gfx.compute_ring[i]);
 
 	gfx_v7_0_cp_compute_fini(adev);
-	adev->gfx.rlc.funcs->fini(adev);
+	amdgpu_gfx_rlc_fini(adev);
 	gfx_v7_0_mec_fini(adev);
 	amdgpu_bo_free_kernel(&adev->gfx.rlc.clear_state_obj,
 				&adev->gfx.rlc.clear_state_gpu_addr,

drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c

@@ -1348,12 +1348,6 @@ static void cz_init_cp_jump_table(struct amdgpu_device *adev)
 	}
 }
 
-static void gfx_v8_0_rlc_fini(struct amdgpu_device *adev)
-{
-	amdgpu_bo_free_kernel(&adev->gfx.rlc.clear_state_obj, NULL, NULL);
-	amdgpu_bo_free_kernel(&adev->gfx.rlc.cp_table_obj, NULL, NULL);
-}
-
 static int gfx_v8_0_rlc_init(struct amdgpu_device *adev)
 {
 	volatile u32 *dst_ptr;
@@ -1376,7 +1370,7 @@ static int gfx_v8_0_rlc_init(struct amdgpu_device *adev)
 					      (void **)&adev->gfx.rlc.cs_ptr);
 		if (r) {
 			dev_warn(adev->dev, "(%d) create RLC c bo failed\n", r);
-			adev->gfx.rlc.funcs->fini(adev);
+			amdgpu_gfx_rlc_fini(adev);
 			return r;
 		}
 
@@ -2166,7 +2160,7 @@ static int gfx_v8_0_sw_fini(void *handle)
 	amdgpu_gfx_kiq_fini(adev);
 
 	gfx_v8_0_mec_fini(adev);
-	adev->gfx.rlc.funcs->fini(adev);
+	amdgpu_gfx_rlc_fini(adev);
 	amdgpu_bo_free_kernel(&adev->gfx.rlc.clear_state_obj,
 				&adev->gfx.rlc.clear_state_gpu_addr,
 				(void **)&adev->gfx.rlc.cs_ptr);
@@ -5634,7 +5628,6 @@ static const struct amdgpu_rlc_funcs iceland_rlc_funcs = {
 	.enter_safe_mode = iceland_enter_rlc_safe_mode,
 	.exit_safe_mode = iceland_exit_rlc_safe_mode,
 	.init = gfx_v8_0_rlc_init,
-	.fini = gfx_v8_0_rlc_fini,
 	.resume = gfx_v8_0_rlc_resume,
 	.stop = gfx_v8_0_rlc_stop,
 	.reset = gfx_v8_0_rlc_reset,

drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c

@@ -1112,19 +1112,6 @@ static void rv_init_cp_jump_table(struct amdgpu_device *adev)
 	}
 }
 
-static void gfx_v9_0_rlc_fini(struct amdgpu_device *adev)
-{
-	/* clear state block */
-	amdgpu_bo_free_kernel(&adev->gfx.rlc.clear_state_obj,
-			&adev->gfx.rlc.clear_state_gpu_addr,
-			(void **)&adev->gfx.rlc.cs_ptr);
-
-	/* jump table block */
-	amdgpu_bo_free_kernel(&adev->gfx.rlc.cp_table_obj,
-			&adev->gfx.rlc.cp_table_gpu_addr,
-			(void **)&adev->gfx.rlc.cp_table_ptr);
-}
-
 static int gfx_v9_0_rlc_init(struct amdgpu_device *adev)
 {
 	volatile u32 *dst_ptr;
@@ -1147,7 +1134,7 @@ static int gfx_v9_0_rlc_init(struct amdgpu_device *adev)
 		if (r) {
 			dev_err(adev->dev, "(%d) failed to create rlc csb bo\n",
 				r);
-			adev->gfx.rlc.funcs->fini(adev);
+			amdgpu_gfx_rlc_fini(adev);
 			return r;
 		}
 		/* set up the cs buffer */
@@ -1169,7 +1156,7 @@ static int gfx_v9_0_rlc_init(struct amdgpu_device *adev)
 		if (r) {
 			dev_err(adev->dev,
 				"(%d) failed to create cp table bo\n", r);
-			adev->gfx.rlc.funcs->fini(adev);
+			amdgpu_gfx_rlc_fini(adev);
 			return r;
 		}
 
@@ -3884,7 +3871,6 @@ static const struct amdgpu_rlc_funcs gfx_v9_0_rlc_funcs = {
 	.enter_safe_mode = gfx_v9_0_enter_rlc_safe_mode,
 	.exit_safe_mode = gfx_v9_0_exit_rlc_safe_mode,
 	.init = gfx_v9_0_rlc_init,
-	.fini = gfx_v9_0_rlc_fini,
 	.resume = gfx_v9_0_rlc_resume,
 	.stop = gfx_v9_0_rlc_stop,
 	.reset = gfx_v9_0_rlc_reset,