[PATCH] drm/amdgpu: increase mes log buffer size for gfx12

[Michael Chen]

MES firmware requires larger log buffer for gfx12. Allocate
proper buffer respectively for gfx11 and gfx12.

Signed-off-by: Michael Chen <michael.chen at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_mes.c       | 6 +++---
 drivers/gpu/drm/amd/amdgpu/amdgpu_mes.h       | 6 +++---
 drivers/gpu/drm/amd/amdgpu/mes_v11_0.c        | 2 ++
 drivers/gpu/drm/amd/amdgpu/mes_v12_0.c        | 8 ++++++--
 drivers/gpu/drm/amd/include/mes_v11_api_def.h | 3 +++
 drivers/gpu/drm/amd/include/mes_v12_api_def.h | 3 +++
 6 files changed, 20 insertions(+), 8 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_mes.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_mes.c
index e499d6ba306b..dac88d2dd70d 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_mes.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_mes.c
@@ -103,7 +103,7 @@ static int amdgpu_mes_event_log_init(struct amdgpu_device *adev)
 	if (!amdgpu_mes_log_enable)
 		return 0;
 
-	r = amdgpu_bo_create_kernel(adev, AMDGPU_MES_LOG_BUFFER_SIZE, PAGE_SIZE,
+	r = amdgpu_bo_create_kernel(adev, adev->mes.event_log_size, PAGE_SIZE,
 				    AMDGPU_GEM_DOMAIN_GTT,
 				    &adev->mes.event_log_gpu_obj,
 				    &adev->mes.event_log_gpu_addr,
@@ -113,7 +113,7 @@ static int amdgpu_mes_event_log_init(struct amdgpu_device *adev)
 		return r;
 	}
 
-	memset(adev->mes.event_log_cpu_addr, 0, PAGE_SIZE);
+	memset(adev->mes.event_log_cpu_addr, 0, adev->mes.event_log_size);
 
 	return  0;
 
@@ -1573,7 +1573,7 @@ static int amdgpu_debugfs_mes_event_log_show(struct seq_file *m, void *unused)
 	uint32_t *mem = (uint32_t *)(adev->mes.event_log_cpu_addr);
 
 	seq_hex_dump(m, "", DUMP_PREFIX_OFFSET, 32, 4,
-		     mem, AMDGPU_MES_LOG_BUFFER_SIZE, false);
+		     mem, adev->mes.event_log_size, false);
 
 	return 0;
 }
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_mes.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_mes.h
index e11051271f71..2d659c612f03 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_mes.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_mes.h
@@ -52,7 +52,6 @@ enum amdgpu_mes_priority_level {
 
 #define AMDGPU_MES_PROC_CTX_SIZE 0x1000 /* one page area */
 #define AMDGPU_MES_GANG_CTX_SIZE 0x1000 /* one page area */
-#define AMDGPU_MES_LOG_BUFFER_SIZE 0x4000 /* Maximu log buffer size for MES */
 
 struct amdgpu_mes_funcs;
 
@@ -135,8 +134,9 @@ struct amdgpu_mes {
 	unsigned long			*doorbell_bitmap;
 
 	/* MES event log buffer */
-	struct amdgpu_bo		*event_log_gpu_obj;
-	uint64_t                        event_log_gpu_addr;
+	uint32_t			event_log_size;
+	struct amdgpu_bo	*event_log_gpu_obj;
+	uint64_t			event_log_gpu_addr;
 	void				*event_log_cpu_addr;
 
 	/* ip specific functions */
diff --git a/drivers/gpu/drm/amd/amdgpu/mes_v11_0.c b/drivers/gpu/drm/amd/amdgpu/mes_v11_0.c
index 68c74adf79f1..1a5ad5be33bf 100644
--- a/drivers/gpu/drm/amd/amdgpu/mes_v11_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/mes_v11_0.c
@@ -1173,6 +1173,8 @@ static int mes_v11_0_sw_init(void *handle)
 	adev->mes.kiq_hw_init = &mes_v11_0_kiq_hw_init;
 	adev->mes.kiq_hw_fini = &mes_v11_0_kiq_hw_fini;
 
+	adev->mes.event_log_size = AMDGPU_MES_LOG_BUFFER_SIZE;
+
 	r = amdgpu_mes_init(adev);
 	if (r)
 		return r;
diff --git a/drivers/gpu/drm/amd/amdgpu/mes_v12_0.c b/drivers/gpu/drm/amd/amdgpu/mes_v12_0.c
index 48e01206bcc4..249e5a66205c 100644
--- a/drivers/gpu/drm/amd/amdgpu/mes_v12_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/mes_v12_0.c
@@ -561,8 +561,10 @@ static int mes_v12_0_set_hw_resources(struct amdgpu_mes *mes)
 	mes_set_hw_res_pkt.oversubscription_timer = 50;
 	mes_set_hw_res_pkt.unmapped_doorbell_handling = 1;
 
-	mes_set_hw_res_pkt.enable_mes_event_int_logging = 0;
-	mes_set_hw_res_pkt.event_intr_history_gpu_mc_ptr = mes->event_log_gpu_addr;
+	if (amdgpu_mes_log_enable) {
+		mes_set_hw_res_pkt.enable_mes_event_int_logging = 1;
+		mes_set_hw_res_pkt.event_intr_history_gpu_mc_ptr = mes->event_log_gpu_addr;
+	}
 
 	return mes_v12_0_submit_pkt_and_poll_completion(mes,
 			&mes_set_hw_res_pkt, sizeof(mes_set_hw_res_pkt),
@@ -1247,6 +1249,8 @@ static int mes_v12_0_sw_init(void *handle)
 	adev->mes.kiq_hw_init = &mes_v12_0_kiq_hw_init;
 	adev->mes.kiq_hw_fini = &mes_v12_0_kiq_hw_fini;
 
+	adev->mes.event_log_size = AMDGPU_MES_LOG_BUFFER_SIZE;
+
 	r = amdgpu_mes_init(adev);
 	if (r)
 		return r;
diff --git a/drivers/gpu/drm/amd/include/mes_v11_api_def.h b/drivers/gpu/drm/amd/include/mes_v11_api_def.h
index b72d5d362251..21ceafce1f9b 100644
--- a/drivers/gpu/drm/amd/include/mes_v11_api_def.h
+++ b/drivers/gpu/drm/amd/include/mes_v11_api_def.h
@@ -28,6 +28,9 @@
 
 #define MES_API_VERSION 1
 
+/* Maximum log buffer size for MES. Needs to be updated if MES expands MES_EVT_INTR_HIST_LOG */
+#define  AMDGPU_MES_LOG_BUFFER_SIZE  0x4000
+
 /* Driver submits one API(cmd) as a single Frame and this command size is same
  * for all API to ease the debugging and parsing of ring buffer.
  */
diff --git a/drivers/gpu/drm/amd/include/mes_v12_api_def.h b/drivers/gpu/drm/amd/include/mes_v12_api_def.h
index ffd67c6ed9b3..4cf2c9f30b3d 100644
--- a/drivers/gpu/drm/amd/include/mes_v12_api_def.h
+++ b/drivers/gpu/drm/amd/include/mes_v12_api_def.h
@@ -28,6 +28,9 @@
 
 #define MES_API_VERSION 0x14
 
+/* Maximum log buffer size for MES. Needs to be updated if MES expands MES_EVT_INTR_HIST_LOG_12 */
+#define  AMDGPU_MES_LOG_BUFFER_SIZE  0xC000
+
 /* Driver submits one API(cmd) as a single Frame and this command size is same for all API
  * to ease the debugging and parsing of ring buffer.
  */
-- 
2.34.1