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drm/amdgpu: add SDMA support for Stoney (v2)

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Stoney is SDMA 3.x.

v2: update to latest golden register settings

Signed-off-by: Samuel Li <samuel.li@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Samuel Li 2015-10-08 17:17:51 -04:00 committed by Alex Deucher
parent fa2f9befbb
commit bb16e3b6c8
1 changed files with 28 additions and 0 deletions
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28
drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c
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@ -55,6 +55,7 @@ MODULE_FIRMWARE("amdgpu/carrizo_sdma.bin");
MODULE_FIRMWARE("amdgpu/carrizo_sdma1.bin");
MODULE_FIRMWARE("amdgpu/fiji_sdma.bin");
MODULE_FIRMWARE("amdgpu/fiji_sdma1.bin");
MODULE_FIRMWARE("amdgpu/stoney_sdma.bin");
static const u32 sdma_offsets[SDMA_MAX_INSTANCE] =
{
@ -122,6 +123,19 @@ static const u32 cz_mgcg_cgcg_init[] =
mmSDMA1_CLK_CTRL, 0xff000ff0, 0x00000100
};
static const u32 stoney_golden_settings_a11[] =
{
mmSDMA0_GFX_IB_CNTL, 0x00000100, 0x00000100,
mmSDMA0_POWER_CNTL, 0x00000800, 0x0003c800,
mmSDMA0_RLC0_IB_CNTL, 0x00000100, 0x00000100,
mmSDMA0_RLC1_IB_CNTL, 0x00000100, 0x00000100,
};
static const u32 stoney_mgcg_cgcg_init[] =
{
mmSDMA0_CLK_CTRL, 0xffffffff, 0x00000100,
};
/*
* sDMA - System DMA
* Starting with CIK, the GPU has new asynchronous
@ -166,6 +180,14 @@ static void sdma_v3_0_init_golden_registers(struct amdgpu_device *adev)
cz_golden_settings_a11,
(const u32)ARRAY_SIZE(cz_golden_settings_a11));
break;
case CHIP_STONEY:
amdgpu_program_register_sequence(adev,
stoney_mgcg_cgcg_init,
(const u32)ARRAY_SIZE(stoney_mgcg_cgcg_init));
amdgpu_program_register_sequence(adev,
stoney_golden_settings_a11,
(const u32)ARRAY_SIZE(stoney_golden_settings_a11));
break;
default:
break;
}
@ -201,6 +223,9 @@ static int sdma_v3_0_init_microcode(struct amdgpu_device *adev)
case CHIP_CARRIZO:
chip_name = "carrizo";
break;
case CHIP_STONEY:
chip_name = "stoney";
break;
default: BUG();
}
@ -1071,6 +1096,9 @@ static int sdma_v3_0_early_init(void *handle)
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
switch (adev->asic_type) {
case CHIP_STONEY:
adev->sdma.num_instances = 1;
break;
default:
adev->sdma.num_instances = SDMA_MAX_INSTANCE;
break;