In renoir's vega10_ih model, there's a security change in mmIH_CHICKEN
register, that limits IH to use physical address (FBPA, GPA) directly.
Those chicken bits need to be programmed first.
Signed-off-by: Aaron Liu <aaron.liu@xxxxxxx>
Reviewed-by: Huang Rui <ray.huang@xxxxxxx>
Reviewed-by: Hawking Zhang <Hawking.Zhang@xxxxxxx>
Acked-by: Alex Deucher <alexander.deucher@xxxxxxx>
Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
---
drivers/gpu/drm/amd/amdgpu/vega10_ih.c | 18 ++++++++++--------
1 file changed, 10 insertions(+), 8 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/vega10_ih.c b/drivers/gpu/drm/amd/amdgpu/vega10_ih.c
index f19268a..b273eb8 100644
--- a/drivers/gpu/drm/amd/amdgpu/vega10_ih.c
+++ b/drivers/gpu/drm/amd/amdgpu/vega10_ih.c
@@ -232,7 +232,13 @@ static int vega10_ih_irq_init(struct amdgpu_device *adev)
WREG32_SOC15(OSSSYS, 0, mmIH_RB_BASE_HI, (ih->gpu_addr >> 40) & 0xff);
ih_rb_cntl = RREG32_SOC15(OSSSYS, 0, mmIH_RB_CNTL);
+ ih_chicken = RREG32_SOC15(OSSSYS, 0, mmIH_CHICKEN);
ih_rb_cntl = vega10_ih_rb_cntl(ih, ih_rb_cntl);
+ if (adev->irq.ih.use_bus_addr) {
+ ih_chicken = REG_SET_FIELD(ih_chicken, IH_CHICKEN, MC_SPACE_GPA_ENABLE, 1);
+ } else {
+ ih_chicken = REG_SET_FIELD(ih_chicken, IH_CHICKEN, MC_SPACE_FBPA_ENABLE, 1);
+ }
ih_rb_cntl = REG_SET_FIELD(ih_rb_cntl, IH_RB_CNTL, RPTR_REARM,
!!adev->irq.msi_enabled);
@@ -245,14 +251,10 @@ static int vega10_ih_irq_init(struct amdgpu_device *adev)
WREG32_SOC15(OSSSYS, 0, mmIH_RB_CNTL, ih_rb_cntl);
}
- if ((adev->asic_type == CHIP_ARCTURUS || adev->asic_type == CHIP_RENOIR) &&
- adev->firmware.load_type == AMDGPU_FW_LOAD_DIRECT) {
- if (adev->irq.ih.use_bus_addr) {
- ih_chicken = RREG32_SOC15(OSSSYS, 0, mmIH_CHICKEN);
- ih_chicken |= 0x00000010;
- WREG32_SOC15(OSSSYS, 0, mmIH_CHICKEN, ih_chicken);
- }
- }
+ if ((adev->asic_type == CHIP_ARCTURUS
+ && adev->firmware.load_type == AMDGPU_FW_LOAD_DIRECT)
+ || adev->asic_type == CHIP_RENOIR)
+ WREG32_SOC15(OSSSYS, 0, mmIH_CHICKEN, ih_chicken);
/* set the writeback address whether it's enabled or not */
WREG32_SOC15(OSSSYS, 0, mmIH_RB_WPTR_ADDR_LO,
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