diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c | 33 |
1 files changed, 29 insertions, 4 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c index d71d4cb68f9c..1edbe6b477b5 100644 --- a/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c @@ -138,6 +138,7 @@ static void gmc_v8_0_init_golden_registers(struct amdgpu_device *adev) break; case CHIP_POLARIS11: case CHIP_POLARIS12: + case CHIP_VEGAM: amdgpu_device_program_register_sequence(adev, golden_settings_polaris11_a11, ARRAY_SIZE(golden_settings_polaris11_a11)); @@ -231,6 +232,7 @@ static int gmc_v8_0_init_microcode(struct amdgpu_device *adev) case CHIP_FIJI: case CHIP_CARRIZO: case CHIP_STONEY: + case CHIP_VEGAM: return 0; default: BUG(); } @@ -567,9 +569,10 @@ static int gmc_v8_0_mc_init(struct amdgpu_device *adev) /* set the gart size */ if (amdgpu_gart_size == -1) { switch (adev->asic_type) { - case CHIP_POLARIS11: /* all engines support GPUVM */ case CHIP_POLARIS10: /* all engines support GPUVM */ + case CHIP_POLARIS11: /* all engines support GPUVM */ case CHIP_POLARIS12: /* all engines support GPUVM */ + case CHIP_VEGAM: /* all engines support GPUVM */ default: adev->gmc.gart_size = 256ULL << 20; break; @@ -1049,12 +1052,33 @@ static int gmc_v8_0_late_init(void *handle) { struct amdgpu_device *adev = (struct amdgpu_device *)handle; + amdgpu_bo_late_init(adev); + if (amdgpu_vm_fault_stop != AMDGPU_VM_FAULT_STOP_ALWAYS) return amdgpu_irq_get(adev, &adev->gmc.vm_fault, 0); else return 0; } +static unsigned gmc_v8_0_get_vbios_fb_size(struct amdgpu_device *adev) +{ + u32 d1vga_control = RREG32(mmD1VGA_CONTROL); + unsigned size; + + if (REG_GET_FIELD(d1vga_control, D1VGA_CONTROL, D1VGA_MODE_ENABLE)) { + size = 9 * 1024 * 1024; /* reserve 8MB for vga emulator and 1 MB for FB */ + } else { + u32 viewport = RREG32(mmVIEWPORT_SIZE); + size = (REG_GET_FIELD(viewport, VIEWPORT_SIZE, VIEWPORT_HEIGHT) * + REG_GET_FIELD(viewport, VIEWPORT_SIZE, VIEWPORT_WIDTH) * + 4); + } + /* return 0 if the pre-OS buffer uses up most of vram */ + if ((adev->gmc.real_vram_size - size) < (8 * 1024 * 1024)) + return 0; + return size; +} + #define mmMC_SEQ_MISC0_FIJI 0xA71 static int gmc_v8_0_sw_init(void *handle) @@ -1068,7 +1092,8 @@ static int gmc_v8_0_sw_init(void *handle) } else { u32 tmp; - if (adev->asic_type == CHIP_FIJI) + if ((adev->asic_type == CHIP_FIJI) || + (adev->asic_type == CHIP_VEGAM)) tmp = RREG32(mmMC_SEQ_MISC0_FIJI); else tmp = RREG32(mmMC_SEQ_MISC0); @@ -1096,8 +1121,6 @@ static int gmc_v8_0_sw_init(void *handle) */ adev->gmc.mc_mask = 0xffffffffffULL; /* 40 bit MC */ - adev->gmc.stolen_size = 256 * 1024; - /* set DMA mask + need_dma32 flags. * PCIE - can handle 40-bits. * IGP - can handle 40-bits @@ -1128,6 +1151,8 @@ static int gmc_v8_0_sw_init(void *handle) if (r) return r; + adev->gmc.stolen_size = gmc_v8_0_get_vbios_fb_size(adev); + /* Memory manager */ r = amdgpu_bo_init(adev); if (r) |