drm/amd/amdgpu: Increase MES log buffer to dump mes scratch data

MES internal scratch data is useful for mes debug, it can only located
in VRAM, change the allocation type and increase size for mes 11

Signed-off-by: shaoyunl <[email protected]>
Acked-by: Feifei Xu <[email protected]>
Acked-by: Alex Deucher <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>

Author: shaoyunl

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

@@ -104,7 +104,7 @@ static int amdgpu_mes_event_log_init(struct amdgpu_device *adev)
 		return 0;
 
 	r = amdgpu_bo_create_kernel(adev, adev->mes.event_log_size, PAGE_SIZE,
-				    AMDGPU_GEM_DOMAIN_GTT,
+				    AMDGPU_GEM_DOMAIN_VRAM,
 				    &adev->mes.event_log_gpu_obj,
 				    &adev->mes.event_log_gpu_addr,
 				    &adev->mes.event_log_cpu_addr);

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

@@ -40,6 +40,7 @@
 #define AMDGPU_MES_VERSION_MASK		0x00000fff
 #define AMDGPU_MES_API_VERSION_MASK	0x00fff000
 #define AMDGPU_MES_FEAT_VERSION_MASK	0xff000000
+#define AMDGPU_MES_MSCRATCH_SIZE	0x8000
 
 enum amdgpu_mes_priority_level {
 	AMDGPU_MES_PRIORITY_LEVEL_LOW       = 0,

drivers/gpu/drm/amd/amdgpu/mes_v11_0.c

@@ -908,6 +908,16 @@ static void mes_v11_0_enable(struct amdgpu_device *adev, bool enable)
 	uint32_t pipe, data = 0;
 
 	if (enable) {
+		if (amdgpu_mes_log_enable) {
+			WREG32_SOC15(GC, 0, regCP_MES_MSCRATCH_LO,
+				lower_32_bits(adev->mes.event_log_gpu_addr + AMDGPU_MES_LOG_BUFFER_SIZE));
+			WREG32_SOC15(GC, 0, regCP_MES_MSCRATCH_HI,
+				upper_32_bits(adev->mes.event_log_gpu_addr + AMDGPU_MES_LOG_BUFFER_SIZE));
+			dev_info(adev->dev, "Setup CP MES MSCRATCH address : 0x%x. 0x%x\n",
+				RREG32_SOC15(GC, 0, regCP_MES_MSCRATCH_HI),
+				RREG32_SOC15(GC, 0, regCP_MES_MSCRATCH_LO));
+		}
+
 		data = RREG32_SOC15(GC, 0, regCP_MES_CNTL);
 		data = REG_SET_FIELD(data, CP_MES_CNTL, MES_PIPE0_RESET, 1);
 		data = REG_SET_FIELD(data, CP_MES_CNTL,
@@ -1370,7 +1380,7 @@ static int mes_v11_0_sw_init(struct amdgpu_ip_block *ip_block)
 	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;
+	adev->mes.event_log_size = AMDGPU_MES_LOG_BUFFER_SIZE + AMDGPU_MES_MSCRATCH_SIZE;
 
 	r = amdgpu_mes_init(adev);
 	if (r)