diff options
| author | Hawking Zhang <Hawking.Zhang@amd.com> | 2020-12-01 23:50:51 +0800 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2021-03-23 22:55:48 -0400 |
| commit | eed4bbd388f169c551cc8989ec4379bf55b0ab9b (patch) | |
| tree | 525ca12a666b03ae4c7a16e6b2d7449b21955832 /drivers/gpu | |
| parent | b45589b8377fcfeb792ce669cd12d9c40854aca6 (diff) | |
drm/amdgpu: correct IH_CHICKEN programming for aldebaran
For aldebaran, psp firmware won't program IH_CHICKEN.
it now depends on driver to program it properly so
either bus address or gpu virtual address is just
working for ih ring.
Signed-off-by: Hawking Zhang <Hawking.Zhang@amd.com>
Acked-by: Christian König <christian.koenig@amd.com>
Acked-by: Felix Kuehling <Felix.Kuehling@amd.com>
Reviewed-by: Dennis Li <Dennis.Li@amd.com>
Reviewed-by: Feifei Xu <Feifei.Xu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/vega20_ih.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/vega20_ih.c b/drivers/gpu/drm/amd/amdgpu/vega20_ih.c index 5a3c867d5881..0049f048a305 100644 --- a/drivers/gpu/drm/amd/amdgpu/vega20_ih.c +++ b/drivers/gpu/drm/amd/amdgpu/vega20_ih.c @@ -35,6 +35,9 @@ #define MAX_REARM_RETRY 10 +#define mmIH_CHICKEN_ALDEBARAN 0x18d +#define mmIH_CHICKEN_ALDEBARAN_BASE_IDX 0 + static void vega20_ih_set_interrupt_funcs(struct amdgpu_device *adev); /** @@ -316,6 +319,18 @@ static int vega20_ih_irq_init(struct amdgpu_device *adev) WREG32_SOC15(OSSSYS, 0, mmIH_CHICKEN, ih_chicken); } + /* psp firmware won't program IH_CHICKEN for aldebaran + * driver needs to program it properly according to + * MC_SPACE type in IH_RB_CNTL */ + if (adev->asic_type == CHIP_ALDEBARAN) { + ih_chicken = RREG32_SOC15(OSSSYS, 0, mmIH_CHICKEN_ALDEBARAN); + if (adev->irq.ih.use_bus_addr) { + ih_chicken = REG_SET_FIELD(ih_chicken, IH_CHICKEN, + MC_SPACE_GPA_ENABLE, 1); + } + WREG32_SOC15(OSSSYS, 0, mmIH_CHICKEN_ALDEBARAN, ih_chicken); + } + for (i = 0; i < ARRAY_SIZE(ih); i++) { if (ih[i]->ring_size) { if (i == 1) |