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drm/amdgpu/gmc10: switch to using amdgpu_gmc_get_vbios_allocations 

The new helper centralizes the logic in one place.

Reviewed-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alex Deucher 2020-07-28 18:30:14 -04:00
parent 7b885f0eb4
commit 7348c20a4e
1 changed files with 25 additions and 32 deletions
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57
drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c
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@ -572,6 +572,28 @@ static void gmc_v10_0_get_vm_pte(struct amdgpu_device *adev,
}
}
static unsigned gmc_v10_0_get_vbios_fb_size(struct amdgpu_device *adev)
{
u32 d1vga_control = RREG32_SOC15(DCE, 0, mmD1VGA_CONTROL);
unsigned size;
if (REG_GET_FIELD(d1vga_control, D1VGA_CONTROL, D1VGA_MODE_ENABLE)) {
size = AMDGPU_VBIOS_VGA_ALLOCATION;
} else {
u32 viewport;
u32 pitch;
viewport = RREG32_SOC15(DCE, 0, mmHUBP0_DCSURF_PRI_VIEWPORT_DIMENSION);
pitch = RREG32_SOC15(DCE, 0, mmHUBPREQ0_DCSURF_SURFACE_PITCH);
size = (REG_GET_FIELD(viewport,
HUBP0_DCSURF_PRI_VIEWPORT_DIMENSION, PRI_VIEWPORT_HEIGHT) *
REG_GET_FIELD(pitch, HUBPREQ0_DCSURF_SURFACE_PITCH, PITCH) *
4);
}
return size;
}
static const struct amdgpu_gmc_funcs gmc_v10_0_gmc_funcs = {
.flush_gpu_tlb = gmc_v10_0_flush_gpu_tlb,
.flush_gpu_tlb_pasid = gmc_v10_0_flush_gpu_tlb_pasid,
@ -579,7 +601,8 @@ static const struct amdgpu_gmc_funcs gmc_v10_0_gmc_funcs = {
.emit_pasid_mapping = gmc_v10_0_emit_pasid_mapping,
.map_mtype = gmc_v10_0_map_mtype,
.get_vm_pde = gmc_v10_0_get_vm_pde,
.get_vm_pte = gmc_v10_0_get_vm_pte
.get_vm_pte = gmc_v10_0_get_vm_pte,
.get_vbios_fb_size = gmc_v10_0_get_vbios_fb_size,
};
static void gmc_v10_0_set_gmc_funcs(struct amdgpu_device *adev)
@ -741,36 +764,6 @@ static int gmc_v10_0_gart_init(struct amdgpu_device *adev)
return amdgpu_gart_table_vram_alloc(adev);
}
static unsigned gmc_v10_0_get_vbios_fb_size(struct amdgpu_device *adev)
{
u32 d1vga_control = RREG32_SOC15(DCE, 0, mmD1VGA_CONTROL);
unsigned size;
if (REG_GET_FIELD(d1vga_control, D1VGA_CONTROL, D1VGA_MODE_ENABLE)) {
size = AMDGPU_VBIOS_VGA_ALLOCATION;
} else {
u32 viewport;
u32 pitch;
viewport = RREG32_SOC15(DCE, 0, mmHUBP0_DCSURF_PRI_VIEWPORT_DIMENSION);
pitch = RREG32_SOC15(DCE, 0, mmHUBPREQ0_DCSURF_SURFACE_PITCH);
size = (REG_GET_FIELD(viewport,
HUBP0_DCSURF_PRI_VIEWPORT_DIMENSION, PRI_VIEWPORT_HEIGHT) *
REG_GET_FIELD(pitch, HUBPREQ0_DCSURF_SURFACE_PITCH, PITCH) *
4);
}
/* return 0 if the pre-OS buffer uses up most of vram */
if ((adev->gmc.real_vram_size - size) < (8 * 1024 * 1024)) {
DRM_ERROR("Warning: pre-OS buffer uses most of vram, \
be aware of gart table overwrite\n");
return 0;
}
return size;
}
static int gmc_v10_0_sw_init(void *handle)
{
int r, vram_width = 0, vram_type = 0, vram_vendor = 0;
@ -860,7 +853,7 @@ static int gmc_v10_0_sw_init(void *handle)
if (r)
return r;
adev->gmc.stolen_vga_size = gmc_v10_0_get_vbios_fb_size(adev);
amdgpu_gmc_get_vbios_allocations(adev);
/* Memory manager */
r = amdgpu_bo_init(adev);