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| author | Hawking Zhang <Hawking.Zhang@amd.com> | 2025-12-02 16:36:19 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2026-03-11 20:58:07 +0300 |
| commit | 41c61e60f82d55e9a3a3f3f04d192d732230a91c (patch) | |
| tree | cabbfb38ea940e2e145cd334476c4f24559b5e1a | |
| parent | 50808826a64b4957b7088c789e539dd0a75a1560 (diff) | |
| download | linux-41c61e60f82d55e9a3a3f3f04d192d732230a91c.tar.xz | |
drm/amdgpu: Handle IH v7_1 reg offset differences
IH v7_1 changes the offsets of some registers relative to
IH v7_0. Introduce IH v7_1-specific register access
Signed-off-by: Hawking Zhang <Hawking.Zhang@amd.com>
Reviewed-by: Lijo Lazar <lijo.lazar@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/ih_v7_0.c | 36 |
1 files changed, 29 insertions, 7 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/ih_v7_0.c b/drivers/gpu/drm/amd/amdgpu/ih_v7_0.c index 451828bf583e..1fbe904f4223 100644 --- a/drivers/gpu/drm/amd/amdgpu/ih_v7_0.c +++ b/drivers/gpu/drm/amd/amdgpu/ih_v7_0.c @@ -289,6 +289,13 @@ static uint32_t ih_v7_0_setup_retry_doorbell(u32 doorbell_index) return val; } +#define regIH_RING1_CLIENT_CFG_INDEX_V7_1 0x122 +#define regIH_RING1_CLIENT_CFG_INDEX_V7_1_BASE_IDX 0 +#define regIH_RING1_CLIENT_CFG_DATA_V7_1 0x123 +#define regIH_RING1_CLIENT_CFG_DATA_V7_1_BASE_IDX 0 +#define regIH_CHICKEN_V7_1 0x129 +#define regIH_CHICKEN_V7_1_BASE_IDX 0 + /** * ih_v7_0_irq_init - init and enable the interrupt ring * @@ -307,6 +314,7 @@ static int ih_v7_0_irq_init(struct amdgpu_device *adev) u32 tmp; int ret; int i; + u32 reg_addr; /* disable irqs */ ret = ih_v7_0_toggle_interrupts(adev, false); @@ -318,10 +326,15 @@ static int ih_v7_0_irq_init(struct amdgpu_device *adev) if (unlikely((adev->firmware.load_type == AMDGPU_FW_LOAD_DIRECT) || (adev->firmware.load_type == AMDGPU_FW_LOAD_RLC_BACKDOOR_AUTO))) { if (ih[0]->use_bus_addr) { - ih_chicken = RREG32_SOC15(OSSSYS, 0, regIH_CHICKEN); + if (amdgpu_ip_version(adev, OSSSYS_HWIP, 0) == IP_VERSION(7, 1, 0)) + reg_addr = SOC15_REG_OFFSET(OSSSYS, 0, regIH_CHICKEN_V7_1); + else + reg_addr = SOC15_REG_OFFSET(OSSSYS, 0, regIH_CHICKEN); + ih_chicken = RREG32(reg_addr); + /* The reg fields definitions are identical in ih v7_0 and ih v7_1 */ ih_chicken = REG_SET_FIELD(ih_chicken, IH_CHICKEN, MC_SPACE_GPA_ENABLE, 1); - WREG32_SOC15(OSSSYS, 0, regIH_CHICKEN, ih_chicken); + WREG32(reg_addr, ih_chicken); } } @@ -358,17 +371,26 @@ static int ih_v7_0_irq_init(struct amdgpu_device *adev) /* Redirect the interrupts to IH RB1 for dGPU */ if (adev->irq.ih1.ring_size) { - tmp = RREG32_SOC15(OSSSYS, 0, regIH_RING1_CLIENT_CFG_INDEX); + if (amdgpu_ip_version(adev, OSSSYS_HWIP, 0) == IP_VERSION(7, 1, 0)) + reg_addr = SOC15_REG_OFFSET(OSSSYS, 0, regIH_RING1_CLIENT_CFG_INDEX_V7_1); + else + reg_addr = SOC15_REG_OFFSET(OSSSYS, 0, regIH_RING1_CLIENT_CFG_INDEX); + tmp = RREG32(reg_addr); + /* The reg fields definitions are identical in ih v7_0 and ih v7_1 */ tmp = REG_SET_FIELD(tmp, IH_RING1_CLIENT_CFG_INDEX, INDEX, 0); - WREG32_SOC15(OSSSYS, 0, regIH_RING1_CLIENT_CFG_INDEX, tmp); + WREG32(reg_addr, tmp); - tmp = RREG32_SOC15(OSSSYS, 0, regIH_RING1_CLIENT_CFG_DATA); + if (amdgpu_ip_version(adev, OSSSYS_HWIP, 0) == IP_VERSION(7, 1, 0)) + reg_addr = SOC15_REG_OFFSET(OSSSYS, 0, regIH_RING1_CLIENT_CFG_DATA_V7_1); + else + reg_addr = SOC15_REG_OFFSET(OSSSYS, 0, regIH_RING1_CLIENT_CFG_DATA); + tmp = RREG32(reg_addr); + /* The reg fields definitions are identical in ih v7_0 and ih v7_1 */ tmp = REG_SET_FIELD(tmp, IH_RING1_CLIENT_CFG_DATA, CLIENT_ID, 0xa); tmp = REG_SET_FIELD(tmp, IH_RING1_CLIENT_CFG_DATA, SOURCE_ID, 0x0); tmp = REG_SET_FIELD(tmp, IH_RING1_CLIENT_CFG_DATA, SOURCE_ID_MATCH_ENABLE, 0x1); - - WREG32_SOC15(OSSSYS, 0, regIH_RING1_CLIENT_CFG_DATA, tmp); + WREG32(reg_addr, tmp); } pci_set_master(adev->pdev); |