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drm/amdgpu: Initialize compute sdma and memory from kgd

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v2: add missing MTYPE_NONCACHED enum

Signed-off-by: Ben Goz <ben.goz@amd.com>
Acked-by: Oded Gabbay <oded.gabbay@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Ben Goz 2015-06-24 22:39:21 +03:00 committed by Alex Deucher
parent 69ee241023
commit cd06bf687b
4 changed files with 123 additions and 0 deletions
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6
drivers/gpu/drm/amd/amdgpu/cikd.h
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@ -552,4 +552,10 @@
#define VCE_CMD_IB_AUTO 0x00000005
#define VCE_CMD_SEMAPHORE 0x00000006
/* valid for both DEFAULT_MTYPE and APE1_MTYPE */
enum {
MTYPE_CACHED = 0,
MTYPE_NONCACHED = 3
};
#endif

42
drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c
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@ -2009,6 +2009,46 @@ static void gfx_v7_0_setup_rb(struct amdgpu_device *adev,
mutex_unlock(&adev->grbm_idx_mutex);
}
/**
* gmc_v7_0_init_compute_vmid - gart enable
*
* @rdev: amdgpu_device pointer
*
* Initialize compute vmid sh_mem registers
*
*/
#define DEFAULT_SH_MEM_BASES (0x6000)
#define FIRST_COMPUTE_VMID (8)
#define LAST_COMPUTE_VMID (16)
static void gmc_v7_0_init_compute_vmid(struct amdgpu_device *adev)
{
int i;
uint32_t sh_mem_config;
uint32_t sh_mem_bases;
/*
* Configure apertures:
* LDS: 0x60000000'00000000 - 0x60000001'00000000 (4GB)
* Scratch: 0x60000001'00000000 - 0x60000002'00000000 (4GB)
* GPUVM: 0x60010000'00000000 - 0x60020000'00000000 (1TB)
*/
sh_mem_bases = DEFAULT_SH_MEM_BASES | (DEFAULT_SH_MEM_BASES << 16);
sh_mem_config = SH_MEM_ALIGNMENT_MODE_UNALIGNED <<
SH_MEM_CONFIG__ALIGNMENT_MODE__SHIFT;
sh_mem_config |= MTYPE_NONCACHED << SH_MEM_CONFIG__DEFAULT_MTYPE__SHIFT;
mutex_lock(&adev->srbm_mutex);
for (i = FIRST_COMPUTE_VMID; i < LAST_COMPUTE_VMID; i++) {
cik_srbm_select(adev, 0, 0, 0, i);
/* CP and shaders */
WREG32(mmSH_MEM_CONFIG, sh_mem_config);
WREG32(mmSH_MEM_APE1_BASE, 1);
WREG32(mmSH_MEM_APE1_LIMIT, 0);
WREG32(mmSH_MEM_BASES, sh_mem_bases);
}
cik_srbm_select(adev, 0, 0, 0, 0);
mutex_unlock(&adev->srbm_mutex);
}
/**
* gfx_v7_0_gpu_init - setup the 3D engine
*
@ -2230,6 +2270,8 @@ static void gfx_v7_0_gpu_init(struct amdgpu_device *adev)
cik_srbm_select(adev, 0, 0, 0, 0);
mutex_unlock(&adev->srbm_mutex);
gmc_v7_0_init_compute_vmid(adev);
WREG32(mmSX_DEBUG_1, 0x20);
WREG32(mmTA_CNTL_AUX, 0x00010000);

47
drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
View File

@ -1894,6 +1894,51 @@ static void gfx_v8_0_setup_rb(struct amdgpu_device *adev,
mutex_unlock(&adev->grbm_idx_mutex);
}
/**
* gmc_v8_0_init_compute_vmid - gart enable
*
* @rdev: amdgpu_device pointer
*
* Initialize compute vmid sh_mem registers
*
*/
#define DEFAULT_SH_MEM_BASES (0x6000)
#define FIRST_COMPUTE_VMID (8)
#define LAST_COMPUTE_VMID (16)
static void gmc_v8_0_init_compute_vmid(struct amdgpu_device *adev)
{
int i;
uint32_t sh_mem_config;
uint32_t sh_mem_bases;
/*
* Configure apertures:
* LDS: 0x60000000'00000000 - 0x60000001'00000000 (4GB)
* Scratch: 0x60000001'00000000 - 0x60000002'00000000 (4GB)
* GPUVM: 0x60010000'00000000 - 0x60020000'00000000 (1TB)
*/
sh_mem_bases = DEFAULT_SH_MEM_BASES | (DEFAULT_SH_MEM_BASES << 16);
sh_mem_config = SH_MEM_ADDRESS_MODE_HSA64 <<
SH_MEM_CONFIG__ADDRESS_MODE__SHIFT |
SH_MEM_ALIGNMENT_MODE_UNALIGNED <<
SH_MEM_CONFIG__ALIGNMENT_MODE__SHIFT |
MTYPE_CC << SH_MEM_CONFIG__DEFAULT_MTYPE__SHIFT |
SH_MEM_CONFIG__PRIVATE_ATC_MASK;
mutex_lock(&adev->srbm_mutex);
for (i = FIRST_COMPUTE_VMID; i < LAST_COMPUTE_VMID; i++) {
vi_srbm_select(adev, 0, 0, 0, i);
/* CP and shaders */
WREG32(mmSH_MEM_CONFIG, sh_mem_config);
WREG32(mmSH_MEM_APE1_BASE, 1);
WREG32(mmSH_MEM_APE1_LIMIT, 0);
WREG32(mmSH_MEM_BASES, sh_mem_bases);
}
vi_srbm_select(adev, 0, 0, 0, 0);
mutex_unlock(&adev->srbm_mutex);
}
static void gfx_v8_0_gpu_init(struct amdgpu_device *adev)
{
u32 gb_addr_config;
@ -2113,6 +2158,8 @@ static void gfx_v8_0_gpu_init(struct amdgpu_device *adev)
vi_srbm_select(adev, 0, 0, 0, 0);
mutex_unlock(&adev->srbm_mutex);
gmc_v8_0_init_compute_vmid(adev);
mutex_lock(&adev->grbm_idx_mutex);
/*
* making sure that the following register writes will be broadcasted

28
drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c
View File

@ -438,6 +438,31 @@ static void sdma_v3_0_rlc_stop(struct amdgpu_device *adev)
/* XXX todo */
}
/**
* sdma_v3_0_ctx_switch_enable - stop the async dma engines context switch
*
* @adev: amdgpu_device pointer
* @enable: enable/disable the DMA MEs context switch.
*
* Halt or unhalt the async dma engines context switch (VI).
*/
static void sdma_v3_0_ctx_switch_enable(struct amdgpu_device *adev, bool enable)
{
u32 f32_cntl;
int i;
for (i = 0; i < SDMA_MAX_INSTANCE; i++) {
f32_cntl = RREG32(mmSDMA0_CNTL + sdma_offsets[i]);
if (enable)
f32_cntl = REG_SET_FIELD(f32_cntl, SDMA0_CNTL,
AUTO_CTXSW_ENABLE, 1);
else
f32_cntl = REG_SET_FIELD(f32_cntl, SDMA0_CNTL,
AUTO_CTXSW_ENABLE, 0);
WREG32(mmSDMA0_CNTL + sdma_offsets[i], f32_cntl);
}
}
/**
* sdma_v3_0_enable - stop the async dma engines
*
@ -648,6 +673,8 @@ static int sdma_v3_0_start(struct amdgpu_device *adev)
/* unhalt the MEs */
sdma_v3_0_enable(adev, true);
/* enable sdma ring preemption */
sdma_v3_0_ctx_switch_enable(adev, true);
/* start the gfx rings and rlc compute queues */
r = sdma_v3_0_gfx_resume(adev);
@ -1079,6 +1106,7 @@ static int sdma_v3_0_hw_fini(void *handle)
{
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
sdma_v3_0_ctx_switch_enable(adev, false);
sdma_v3_0_enable(adev, false);
return 0;