From bb16e3b6c8641bdf4765c373ba41543861959cbb Mon Sep 17 00:00:00 2001 From: Samuel Li Date: Thu, 8 Oct 2015 17:17:51 -0400 Subject: [PATCH] drm/amdgpu: add SDMA support for Stoney (v2) Stoney is SDMA 3.x. v2: update to latest golden register settings Signed-off-by: Samuel Li Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c | 28 ++++++++++++++++++++++++++++ 1 file changed, 28 insertions(+) diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c b/drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c index 0271bf9c0609..7253132f04b8 100644 --- a/drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c +++ b/drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c @@ -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; -- 2.11.0