drm/amdgpu/vcn2.5: implement indirect DPG SRAM mode

Implement indirect DPG SRAM mode for vcn2.5

Signed-off-by: James Zhu <James.Zhu@amd.com>
Reviewed-by: Leo Liu <leo.liu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c
index 18a6c35..f96464e 100644 (file)
--- 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/vcn_v2_5.c b/drivers/gpu/drm/amd/amdgpu/vcn_v2_5.c
index c09490d..c8b63d5 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/vcn_v2_5.c
+++ b/drivers/gpu/drm/amd/amdgpu/vcn_v2_5.c
@@ -433,14 +433,23 @@ 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_0(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 + inst_idx].tmr_mc_addr_lo), 0, indirect);
-               WREG32_SOC15_DPG_MODE_2_0(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 + inst_idx].tmr_mc_addr_hi), 0, indirect);
-               WREG32_SOC15_DPG_MODE_2_0(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_0(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 + inst_idx].tmr_mc_addr_lo), 0, indirect);
+                       WREG32_SOC15_DPG_MODE_2_0(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 + inst_idx].tmr_mc_addr_hi), 0, indirect);
+                       WREG32_SOC15_DPG_MODE_2_0(inst_idx, SOC15_DPG_MODE_OFFSET_2_0(
+                               UVD, inst_idx, mmUVD_VCPU_CACHE_OFFSET0), 0, 0, indirect);
+               } else {
+                       WREG32_SOC15_DPG_MODE_2_0(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_0(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_0(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_0(inst_idx, SOC15_DPG_MODE_OFFSET_2_0(
@@ -455,19 +464,31 @@ 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_0(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_0(inst_idx, SOC15_DPG_MODE_OFFSET_2_0(
+                       UVD, inst_idx, mmUVD_VCPU_CACHE_SIZE0), size, 0, indirect);
+       else
+               WREG32_SOC15_DPG_MODE_2_0(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_0(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_0(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_0(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_0(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_0(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_0(inst_idx, SOC15_DPG_MODE_OFFSET_2_0(
+                       UVD, inst_idx, mmUVD_VCPU_CACHE_OFFSET1), 0, 0, indirect);
+       } else {
+               WREG32_SOC15_DPG_MODE_2_0(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_0(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_0(inst_idx, SOC15_DPG_MODE_OFFSET_2_0(
+                       UVD, inst_idx, mmUVD_VCPU_CACHE_OFFSET1), 0, 0, indirect);
+       }
        WREG32_SOC15_DPG_MODE_2_0(inst_idx, SOC15_DPG_MODE_OFFSET_2_0(
                UVD, inst_idx, mmUVD_VCPU_CACHE_SIZE1), AMDGPU_VCN_STACK_SIZE, 0, indirect);
 
@@ -740,6 +761,9 @@ 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);
 
@@ -815,6 +839,11 @@ 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);
@@ -863,7 +892,7 @@ 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,