Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit bb16e3b6 authored by Samuel Li's avatar Samuel Li Committed by Alex Deucher
Browse files

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



Stoney is SDMA 3.x.

v2: update to latest golden register settings

Signed-off-by: default avatarSamuel Li <samuel.li@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent fa2f9bef

drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c

+28 −0
Original line number Diff line number Diff line
@@ -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;