Re: [PATCH] drm/amdgpu:Correct VCN cache window definition

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Acked-by: Leo Liu<leo.liu@xxxxxxx>


On 10/02/2018 01:35 PM, James Zhu wrote:
Correct VCN cache window definition. The old one
is reused from UVD, and it is not fully correct.

Signed-off-by: James Zhu <James.Zhu@xxxxxxx>
---
  drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c |  3 +--
  drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.h |  6 +++---
  drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c   | 24 ++++++++++++++----------
  3 files changed, 18 insertions(+), 15 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c
index 7ad352c..c661e49 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c
@@ -121,8 +121,7 @@ int amdgpu_vcn_sw_init(struct amdgpu_device *adev)
  			version_major, version_minor, family_id);
  	}
- bo_size = AMDGPU_VCN_STACK_SIZE + AMDGPU_VCN_HEAP_SIZE
-		  +  AMDGPU_VCN_SESSION_SIZE * 40;
+	bo_size = AMDGPU_VCN_STACK_SIZE + AMDGPU_VCN_CONTEXT_SIZE;
  	if (adev->firmware.load_type != AMDGPU_FW_LOAD_PSP)
  		bo_size += AMDGPU_GPU_PAGE_ALIGN(le32_to_cpu(hdr->ucode_size_bytes) + 8);
  	r = amdgpu_bo_create_kernel(adev, bo_size, PAGE_SIZE,
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.h
index 0b88a46..a0ad19a 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.h
@@ -24,9 +24,9 @@
  #ifndef __AMDGPU_VCN_H__
  #define __AMDGPU_VCN_H__
-#define AMDGPU_VCN_STACK_SIZE (200*1024)
-#define AMDGPU_VCN_HEAP_SIZE		(256*1024)
-#define AMDGPU_VCN_SESSION_SIZE		(50*1024)
+#define AMDGPU_VCN_STACK_SIZE		(128*1024)
+#define AMDGPU_VCN_CONTEXT_SIZE	(512*1024)
+
  #define AMDGPU_VCN_FIRMWARE_OFFSET	256
  #define AMDGPU_VCN_MAX_ENC_RINGS	3
diff --git a/drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c b/drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c
index 8c53fb4..05fdc7b 100644
--- a/drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c
@@ -278,6 +278,7 @@ static void vcn_v1_0_mc_resume_spg_mode(struct amdgpu_device *adev)
  	uint32_t size = AMDGPU_GPU_PAGE_ALIGN(adev->vcn.fw->size + 4);
  	uint32_t offset;
+ /* cache window 0: fw */
  	if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) {
  		WREG32_SOC15(UVD, 0, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW,
  			     (adev->firmware.ucode[AMDGPU_UCODE_ID_VCN].tmr_mc_addr_lo));
@@ -297,20 +298,21 @@ static void vcn_v1_0_mc_resume_spg_mode(struct amdgpu_device *adev)
WREG32_SOC15(UVD, 0, mmUVD_VCPU_CACHE_SIZE0, size); + /* cache window 1: stack */
  	WREG32_SOC15(UVD, 0, mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_LOW,
  		     lower_32_bits(adev->vcn.gpu_addr + offset));
  	WREG32_SOC15(UVD, 0, mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_HIGH,
  		     upper_32_bits(adev->vcn.gpu_addr + offset));
  	WREG32_SOC15(UVD, 0, mmUVD_VCPU_CACHE_OFFSET1, 0);
-	WREG32_SOC15(UVD, 0, mmUVD_VCPU_CACHE_SIZE1, AMDGPU_VCN_HEAP_SIZE);
+	WREG32_SOC15(UVD, 0, mmUVD_VCPU_CACHE_SIZE1, AMDGPU_VCN_STACK_SIZE);
+ /* cache window 2: context */
  	WREG32_SOC15(UVD, 0, mmUVD_LMI_VCPU_CACHE2_64BIT_BAR_LOW,
-		     lower_32_bits(adev->vcn.gpu_addr + offset + AMDGPU_VCN_HEAP_SIZE));
+		     lower_32_bits(adev->vcn.gpu_addr + offset + AMDGPU_VCN_STACK_SIZE));
  	WREG32_SOC15(UVD, 0, mmUVD_LMI_VCPU_CACHE2_64BIT_BAR_HIGH,
-		     upper_32_bits(adev->vcn.gpu_addr + offset + AMDGPU_VCN_HEAP_SIZE));
+		     upper_32_bits(adev->vcn.gpu_addr + offset + AMDGPU_VCN_STACK_SIZE));
  	WREG32_SOC15(UVD, 0, mmUVD_VCPU_CACHE_OFFSET2, 0);
-	WREG32_SOC15(UVD, 0, mmUVD_VCPU_CACHE_SIZE2,
-			AMDGPU_VCN_STACK_SIZE + (AMDGPU_VCN_SESSION_SIZE * 40));
+	WREG32_SOC15(UVD, 0, mmUVD_VCPU_CACHE_SIZE2, AMDGPU_VCN_CONTEXT_SIZE);
WREG32_SOC15(UVD, 0, mmUVD_UDEC_ADDR_CONFIG,
  			adev->gfx.config.gb_addr_config);
@@ -325,6 +327,7 @@ static void vcn_v1_0_mc_resume_dpg_mode(struct amdgpu_device *adev)
  	uint32_t size = AMDGPU_GPU_PAGE_ALIGN(adev->vcn.fw->size + 4);
  	uint32_t offset;
+ /* cache window 0: fw */
  	if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) {
  		WREG32_SOC15_DPG_MODE(UVD, 0, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW,
  			     (adev->firmware.ucode[AMDGPU_UCODE_ID_VCN].tmr_mc_addr_lo),
@@ -347,24 +350,25 @@ static void vcn_v1_0_mc_resume_dpg_mode(struct amdgpu_device *adev)
WREG32_SOC15_DPG_MODE(UVD, 0, mmUVD_VCPU_CACHE_SIZE0, size, 0xFFFFFFFF, 0); + /* cache window 1: stack */
  	WREG32_SOC15_DPG_MODE(UVD, 0, mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_LOW,
  		     lower_32_bits(adev->vcn.gpu_addr + offset), 0xFFFFFFFF, 0);
  	WREG32_SOC15_DPG_MODE(UVD, 0, mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_HIGH,
  		     upper_32_bits(adev->vcn.gpu_addr + offset), 0xFFFFFFFF, 0);
  	WREG32_SOC15_DPG_MODE(UVD, 0, mmUVD_VCPU_CACHE_OFFSET1, 0,
  			     0xFFFFFFFF, 0);
-	WREG32_SOC15_DPG_MODE(UVD, 0, mmUVD_VCPU_CACHE_SIZE1, AMDGPU_VCN_HEAP_SIZE,
+	WREG32_SOC15_DPG_MODE(UVD, 0, mmUVD_VCPU_CACHE_SIZE1, AMDGPU_VCN_STACK_SIZE,
  			     0xFFFFFFFF, 0);
+ /* cache window 2: context */
  	WREG32_SOC15_DPG_MODE(UVD, 0, mmUVD_LMI_VCPU_CACHE2_64BIT_BAR_LOW,
-		     lower_32_bits(adev->vcn.gpu_addr + offset + AMDGPU_VCN_HEAP_SIZE),
+		     lower_32_bits(adev->vcn.gpu_addr + offset + AMDGPU_VCN_STACK_SIZE),
  			     0xFFFFFFFF, 0);
  	WREG32_SOC15_DPG_MODE(UVD, 0, mmUVD_LMI_VCPU_CACHE2_64BIT_BAR_HIGH,
-		     upper_32_bits(adev->vcn.gpu_addr + offset + AMDGPU_VCN_HEAP_SIZE),
+		     upper_32_bits(adev->vcn.gpu_addr + offset + AMDGPU_VCN_STACK_SIZE),
  			     0xFFFFFFFF, 0);
  	WREG32_SOC15_DPG_MODE(UVD, 0, mmUVD_VCPU_CACHE_OFFSET2, 0, 0xFFFFFFFF, 0);
-	WREG32_SOC15_DPG_MODE(UVD, 0, mmUVD_VCPU_CACHE_SIZE2,
-			AMDGPU_VCN_STACK_SIZE + (AMDGPU_VCN_SESSION_SIZE * 40),
+	WREG32_SOC15_DPG_MODE(UVD, 0, mmUVD_VCPU_CACHE_SIZE2, AMDGPU_VCN_CONTEXT_SIZE,
  			     0xFFFFFFFF, 0);
WREG32_SOC15_DPG_MODE(UVD, 0, mmUVD_UDEC_ADDR_CONFIG,

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