[PATCH 6/6] drm/amdgpu/vcn2.5: implement indirect DPG SRAM mode
James Zhu
James.Zhu at amd.com
Tue Jan 14 17:58:22 UTC 2020
Implement indirect DPG SRAM mode for vcn2.5
Signed-off-by: James Zhu <James.Zhu at amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c | 3 ++
drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.h | 15 ++++---
drivers/gpu/drm/amd/amdgpu/vcn_v2_5.c | 69 +++++++++++++++++++++++----------
3 files changed, 62 insertions(+), 25 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c
index ca62d99..ab51f0e 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c
@@ -75,6 +75,9 @@ int amdgpu_vcn_sw_init(struct amdgpu_device *adev)
break;
case CHIP_ARCTURUS:
fw_name = FIRMWARE_ARCTURUS;
+ if ((adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) &&
+ (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG))
+ adev->vcn.indirect_sram = true;
break;
case CHIP_RENOIR:
fw_name = FIRMWARE_RENOIR;
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.h
index 34ff75c..ff78ddc 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.h
@@ -138,11 +138,16 @@
#define WREG32_SOC15_DPG_MODE_2_5(inst_idx, offset, value, mask_en, indirect) \
do { \
- WREG32_SOC15(VCN, inst_idx, mmUVD_DPG_LMA_DATA, value); \
- WREG32_SOC15(VCN, inst_idx, mmUVD_DPG_LMA_CTL, \
- (0x1 << UVD_DPG_LMA_CTL__READ_WRITE__SHIFT | \
- mask_en << UVD_DPG_LMA_CTL__MASK_EN__SHIFT | \
- offset << UVD_DPG_LMA_CTL__READ_WRITE_ADDR__SHIFT)); \
+ if (!indirect) { \
+ WREG32_SOC15(VCN, inst_idx, mmUVD_DPG_LMA_DATA, value); \
+ WREG32_SOC15(VCN, inst_idx, mmUVD_DPG_LMA_CTL, \
+ (0x1 << UVD_DPG_LMA_CTL__READ_WRITE__SHIFT | \
+ mask_en << UVD_DPG_LMA_CTL__MASK_EN__SHIFT | \
+ offset << UVD_DPG_LMA_CTL__READ_WRITE_ADDR__SHIFT)); \
+ } else { \
+ *adev->vcn.inst[inst_idx].dpg_sram_curr_addr++ = offset; \
+ *adev->vcn.inst[inst_idx].dpg_sram_curr_addr++ = value; \
+ } \
} while (0)
enum engine_status_constants {
diff --git a/drivers/gpu/drm/amd/amdgpu/vcn_v2_5.c b/drivers/gpu/drm/amd/amdgpu/vcn_v2_5.c
index 8de51c9..54a28d6 100644
--- a/drivers/gpu/drm/amd/amdgpu/vcn_v2_5.c
+++ b/drivers/gpu/drm/amd/amdgpu/vcn_v2_5.c
@@ -438,14 +438,23 @@ static void vcn_v2_5_mc_resume_dpg_mode(struct amdgpu_device *adev, int inst_idx
/* cache window 0: fw */
if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) {
- WREG32_SOC15_DPG_MODE_2_5(inst_idx, SOC15_DPG_MODE_OFFSET_2_0(
- UVD, inst_idx, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW),
- (adev->firmware.ucode[AMDGPU_UCODE_ID_VCN].tmr_mc_addr_lo), 0, indirect);
- WREG32_SOC15_DPG_MODE_2_5(inst_idx, SOC15_DPG_MODE_OFFSET_2_0(
- UVD, inst_idx, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH),
- (adev->firmware.ucode[AMDGPU_UCODE_ID_VCN].tmr_mc_addr_hi), 0, indirect);
- WREG32_SOC15_DPG_MODE_2_5(inst_idx, SOC15_DPG_MODE_OFFSET_2_0(
- UVD, inst_idx, mmUVD_VCPU_CACHE_OFFSET0), 0, 0, indirect);
+ if (!indirect) {
+ WREG32_SOC15_DPG_MODE_2_5(inst_idx, SOC15_DPG_MODE_OFFSET_2_0(
+ UVD, inst_idx, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW),
+ (adev->firmware.ucode[AMDGPU_UCODE_ID_VCN].tmr_mc_addr_lo), 0, indirect);
+ WREG32_SOC15_DPG_MODE_2_5(inst_idx, SOC15_DPG_MODE_OFFSET_2_0(
+ UVD, inst_idx, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH),
+ (adev->firmware.ucode[AMDGPU_UCODE_ID_VCN].tmr_mc_addr_hi), 0, indirect);
+ WREG32_SOC15_DPG_MODE_2_5(inst_idx, SOC15_DPG_MODE_OFFSET_2_0(
+ UVD, inst_idx, mmUVD_VCPU_CACHE_OFFSET0), 0, 0, indirect);
+ } else {
+ WREG32_SOC15_DPG_MODE_2_5(inst_idx, SOC15_DPG_MODE_OFFSET_2_0(
+ UVD, inst_idx, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW), 0, 0, indirect);
+ WREG32_SOC15_DPG_MODE_2_5(inst_idx, SOC15_DPG_MODE_OFFSET_2_0(
+ UVD, inst_idx, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH), 0, 0, indirect);
+ WREG32_SOC15_DPG_MODE_2_5(inst_idx, SOC15_DPG_MODE_OFFSET_2_0(
+ UVD, inst_idx, mmUVD_VCPU_CACHE_OFFSET0), 0, 0, indirect);
+ }
offset = 0;
} else {
WREG32_SOC15_DPG_MODE_2_5(inst_idx, SOC15_DPG_MODE_OFFSET_2_0(
@@ -460,19 +469,31 @@ static void vcn_v2_5_mc_resume_dpg_mode(struct amdgpu_device *adev, int inst_idx
AMDGPU_UVD_FIRMWARE_OFFSET >> 3, 0, indirect);
}
- WREG32_SOC15_DPG_MODE_2_5(inst_idx, SOC15_DPG_MODE_OFFSET_2_0(
- UVD, inst_idx, mmUVD_VCPU_CACHE_SIZE0), size, 0, indirect);
+ if (!indirect)
+ WREG32_SOC15_DPG_MODE_2_5(inst_idx, SOC15_DPG_MODE_OFFSET_2_0(
+ UVD, inst_idx, mmUVD_VCPU_CACHE_SIZE0), size, 0, indirect);
+ else
+ WREG32_SOC15_DPG_MODE_2_5(inst_idx, SOC15_DPG_MODE_OFFSET_2_0(
+ UVD, inst_idx, mmUVD_VCPU_CACHE_SIZE0), 0, 0, indirect);
/* cache window 1: stack */
- WREG32_SOC15_DPG_MODE_2_5(inst_idx, SOC15_DPG_MODE_OFFSET_2_0(
- UVD, inst_idx, mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_LOW),
- lower_32_bits(adev->vcn.inst[inst_idx].gpu_addr + offset), 0, indirect);
- WREG32_SOC15_DPG_MODE_2_5(inst_idx, SOC15_DPG_MODE_OFFSET_2_0(
- UVD, inst_idx, mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_HIGH),
- upper_32_bits(adev->vcn.inst[inst_idx].gpu_addr + offset), 0, indirect);
- WREG32_SOC15_DPG_MODE_2_5(inst_idx, SOC15_DPG_MODE_OFFSET_2_0(
- UVD, inst_idx, mmUVD_VCPU_CACHE_OFFSET1), 0, 0, indirect);
-
+ if (!indirect) {
+ WREG32_SOC15_DPG_MODE_2_5(inst_idx, SOC15_DPG_MODE_OFFSET_2_0(
+ UVD, inst_idx, mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_LOW),
+ lower_32_bits(adev->vcn.inst[inst_idx].gpu_addr + offset), 0, indirect);
+ WREG32_SOC15_DPG_MODE_2_5(inst_idx, SOC15_DPG_MODE_OFFSET_2_0(
+ UVD, inst_idx, mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_HIGH),
+ upper_32_bits(adev->vcn.inst[inst_idx].gpu_addr + offset), 0, indirect);
+ WREG32_SOC15_DPG_MODE_2_5(inst_idx, SOC15_DPG_MODE_OFFSET_2_0(
+ UVD, inst_idx, mmUVD_VCPU_CACHE_OFFSET1), 0, 0, indirect);
+ } else {
+ WREG32_SOC15_DPG_MODE_2_5(inst_idx, SOC15_DPG_MODE_OFFSET_2_0(
+ UVD, inst_idx, mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_LOW), 0, 0, indirect);
+ WREG32_SOC15_DPG_MODE_2_5(inst_idx, SOC15_DPG_MODE_OFFSET_2_0(
+ UVD, inst_idx, mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_HIGH), 0, 0, indirect);
+ WREG32_SOC15_DPG_MODE_2_5(inst_idx, SOC15_DPG_MODE_OFFSET_2_0(
+ UVD, inst_idx, mmUVD_VCPU_CACHE_OFFSET1), 0, 0, indirect);
+ }
WREG32_SOC15_DPG_MODE_2_5(inst_idx, SOC15_DPG_MODE_OFFSET_2_0(
UVD, inst_idx, mmUVD_VCPU_CACHE_SIZE1), AMDGPU_VCN_STACK_SIZE, 0, indirect);
@@ -745,6 +766,9 @@ static int vcn_v2_5_start_dpg_mode(struct amdgpu_device *adev, int inst_idx, boo
tmp |= UVD_POWER_STATUS__UVD_PG_EN_MASK;
WREG32_SOC15(UVD, inst_idx, mmUVD_POWER_STATUS, tmp);
+ if (indirect)
+ adev->vcn.inst[inst_idx].dpg_sram_curr_addr = (uint32_t*)adev->vcn.inst[inst_idx].dpg_sram_cpu_addr;
+
/* enable clock gating */
vcn_v2_5_clock_gating_dpg_mode(adev, 0, inst_idx, indirect);
@@ -820,6 +844,11 @@ static int vcn_v2_5_start_dpg_mode(struct amdgpu_device *adev, int inst_idx, boo
UVD, inst_idx, mmUVD_MASTINT_EN),
UVD_MASTINT_EN__VCPU_EN_MASK, 0, indirect);
+ if (indirect)
+ psp_update_vcn_sram(adev, inst_idx, adev->vcn.inst[inst_idx].dpg_sram_gpu_addr,
+ (uint32_t)((uintptr_t)adev->vcn.inst[inst_idx].dpg_sram_curr_addr -
+ (uintptr_t)adev->vcn.inst[inst_idx].dpg_sram_cpu_addr));
+
ring = &adev->vcn.inst[inst_idx].ring_dec;
/* force RBC into idle state */
rb_bufsz = order_base_2(ring->ring_size);
@@ -868,7 +897,7 @@ static int vcn_v2_5_start(struct amdgpu_device *adev)
if (adev->vcn.harvest_config & (1 << i))
continue;
if (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG)
- return vcn_v2_5_start_dpg_mode(adev, i, 0);
+ return vcn_v2_5_start_dpg_mode(adev, i, adev->vcn.indirect_sram);
/* disable register anti-hang mechanism */
WREG32_P(SOC15_REG_OFFSET(UVD, i, mmUVD_POWER_STATUS), 0,
--
2.7.4
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