[PATCH] drm/amdgpu: Increase MES log buffer to dump mes scratch data

[shaoyunl]

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 <shaoyun.liu at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_mes.c |  2 +-
 drivers/gpu/drm/amd/amdgpu/amdgpu_mes.h |  1 +
 drivers/gpu/drm/amd/amdgpu/mes_v11_0.c  | 12 +++++++++++-
 3 files changed, 13 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_mes.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_mes.c
index 83d0f731fb65..bf584e9bcce4 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_mes.c
+++ b/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);
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_mes.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_mes.h
index 45e3508f0f8e..79f13d7e5e16 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_mes.h
+++ b/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,
diff --git a/drivers/gpu/drm/amd/amdgpu/mes_v11_0.c b/drivers/gpu/drm/amd/amdgpu/mes_v11_0.c
index 03bf865fbdd4..aa2e9ef4ff12 100644
--- a/drivers/gpu/drm/amd/amdgpu/mes_v11_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/mes_v11_0.c
@@ -913,6 +913,16 @@ 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,
@@ -1375,7 +1385,7 @@ 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)
-- 
2.34.1