diff options
| author | Le Ma <le.ma@amd.com> | 2018-09-19 14:17:37 +0800 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2019-07-18 14:18:03 -0500 |
| commit | 3d81f67a1b1bfc789651e02dfe9705bb8483f133 (patch) | |
| tree | a1d307bb1dabd278f32fc66f6b10c83a7ab69e3d /drivers/gpu/drm/amd/amdgpu/nbio_v7_4.c | |
| parent | f5cdc2da460267fe234f8b5246896bea62c0db4a (diff) | |
drm/amdgpu: support sdma 2~7 doorbell range register offset
Update the doorbell range registers to support additional
SDMA rings.
Signed-off-by: Le Ma <le.ma@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/nbio_v7_4.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/nbio_v7_4.c | 20 |
1 files changed, 17 insertions, 3 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/nbio_v7_4.c b/drivers/gpu/drm/amd/amdgpu/nbio_v7_4.c index 2e1098c5c32b..fc45eaeaba6e 100644 --- a/drivers/gpu/drm/amd/amdgpu/nbio_v7_4.c +++ b/drivers/gpu/drm/amd/amdgpu/nbio_v7_4.c @@ -86,10 +86,24 @@ static u32 nbio_v7_4_get_memsize(struct amdgpu_device *adev) static void nbio_v7_4_sdma_doorbell_range(struct amdgpu_device *adev, int instance, bool use_doorbell, int doorbell_index, int doorbell_size) { - u32 reg = instance == 0 ? SOC15_REG_OFFSET(NBIO, 0, mmBIF_SDMA0_DOORBELL_RANGE) : - SOC15_REG_OFFSET(NBIO, 0, mmBIF_SDMA1_DOORBELL_RANGE); + u32 reg, doorbell_range; - u32 doorbell_range = RREG32(reg); + if (instance < 2) + reg = instance + + SOC15_REG_OFFSET(NBIO, 0, mmBIF_SDMA0_DOORBELL_RANGE); + else + /* + * These registers address of SDMA2~7 is not consecutive + * from SDMA0~1. Need plus 4 dwords offset. + * + * BIF_SDMA0_DOORBELL_RANGE: 0x3bc0 + * BIF_SDMA1_DOORBELL_RANGE: 0x3bc4 + * BIF_SDMA2_DOORBELL_RANGE: 0x3bd8 + */ + reg = instance + 0x4 + + SOC15_REG_OFFSET(NBIO, 0, mmBIF_SDMA0_DOORBELL_RANGE); + + doorbell_range = RREG32(reg); if (use_doorbell) { doorbell_range = REG_SET_FIELD(doorbell_range, BIF_SDMA0_DOORBELL_RANGE, OFFSET, doorbell_index); |