On Fri, Jul 28, 2017 at 6:08 PM, Andy Furniss <adf.lists at gmail.com> wrote:
> Alex Deucher wrote:
>>
>> May waste a bit of memory, but simplifies the interface
>> significantly.
>
>
> Can't boot tonga with this (testing 4.14-wip)
Should be fixed with this patch.
Alex
>
> Jul 28 23:00:29 ph4 kernel: [drm] amdgpu kernel modesetting enabled.
> Jul 28 23:00:29 ph4 kernel: [drm] initializing kernel modesetting (TONGA
> 0x1002:0x6939 0x1458:0x229D 0x00).
> Jul 28 23:00:29 ph4 kernel: [drm] register mmio base: 0xFEA00000
> Jul 28 23:00:29 ph4 kernel: [drm] register mmio size: 262144
> Jul 28 23:00:29 ph4 kernel: [drm] probing gen 2 caps for device 1002:5a16 =
> 31cd02/0
> Jul 28 23:00:29 ph4 kernel: [drm] probing mlw for device 1002:5a16 = 31cd02
> Jul 28 23:00:29 ph4 kernel: [drm] VCE enabled in physical mode
> Jul 28 23:00:29 ph4 kernel: amdgpu 0000:01:00.0: Invalid PCI ROM header
> signature: expecting 0xaa55, got 0x8b00
> Jul 28 23:00:29 ph4 kernel: ATOM BIOS: 113-xxx-Xxx
> Jul 28 23:00:29 ph4 kernel: [drm] GPU post is not needed
> Jul 28 23:00:29 ph4 kernel: [drm] Changing default dispclk from 600Mhz to
> 625Mhz
> Jul 28 23:00:29 ph4 kernel: [drm] vm size is 64 GB, block size is 13-bit
> Jul 28 23:00:29 ph4 kernel: amdgpu 0000:01:00.0: VRAM: 2048M
> 0x000000F400000000 - 0x000000F47FFFFFFF (2048M used)
> Jul 28 23:00:29 ph4 kernel: amdgpu 0000:01:00.0: GTT: 256M
> 0x0000000000000000 - 0x000000000FFFFFFF
> Jul 28 23:00:29 ph4 kernel: [drm] Detected VRAM RAM=2048M, BAR=256M
> Jul 28 23:00:29 ph4 kernel: [drm] RAM width 256bits GDDR5
> Jul 28 23:00:29 ph4 kernel: [TTM] Zone kernel: Available graphics memory:
> 4069418 kiB
> Jul 28 23:00:29 ph4 kernel: [TTM] Zone dma32: Available graphics memory:
> 2097152 kiB
> Jul 28 23:00:29 ph4 kernel: [TTM] Initializing pool allocator
> Jul 28 23:00:29 ph4 kernel: [TTM] Initializing DMA pool allocator
> Jul 28 23:00:29 ph4 kernel: [drm] amdgpu: 2048M of VRAM memory ready
> Jul 28 23:00:29 ph4 kernel: [drm] amdgpu: 3072M of GTT memory ready.
> Jul 28 23:00:29 ph4 kernel: [drm] GART: num cpu pages 65536, num gpu pages
> 65536
> Jul 28 23:00:29 ph4 kernel: [drm] PCIE GART of 256M enabled (table at
> 0x000000F400040000).
> Jul 28 23:00:29 ph4 kernel: [drm] Supports vblank timestamp caching Rev 2
> (21.10.2013).
> Jul 28 23:00:29 ph4 kernel: [drm] Driver supports precise vblank timestamp
> query.
> Jul 28 23:00:29 ph4 kernel: amdgpu 0000:01:00.0: amdgpu: using MSI.
> Jul 28 23:00:29 ph4 kernel: [drm] amdgpu: irq initialized.
> Jul 28 23:00:29 ph4 kernel: amdgpu: [powerplay] amdgpu: powerplay sw
> initialized
> Jul 28 23:00:29 ph4 kernel: [drm] AMDGPU Display Connectors
> Jul 28 23:00:29 ph4 kernel: [drm] Connector 0:
> Jul 28 23:00:29 ph4 kernel: [drm] DP-1
> Jul 28 23:00:29 ph4 kernel: [drm] HPD4
> Jul 28 23:00:29 ph4 kernel: [drm] DDC: 0x4868 0x4868 0x4869 0x4869 0x486a
> 0x486a 0x486b 0x486b
> Jul 28 23:00:29 ph4 kernel: [drm] Encoders:
> Jul 28 23:00:29 ph4 kernel: [drm] DFP1: INTERNAL_UNIPHY1
> Jul 28 23:00:29 ph4 kernel: [drm] Connector 1:
> Jul 28 23:00:29 ph4 kernel: [drm] HDMI-A-1
> Jul 28 23:00:29 ph4 kernel: [drm] HPD5
> Jul 28 23:00:29 ph4 kernel: [drm] DDC: 0x4870 0x4870 0x4871 0x4871 0x4872
> 0x4872 0x4873 0x4873
> Jul 28 23:00:29 ph4 kernel: [drm] Encoders:
> Jul 28 23:00:29 ph4 kernel: [drm] DFP2: INTERNAL_UNIPHY1
> Jul 28 23:00:29 ph4 kernel: [drm] Connector 2:
> Jul 28 23:00:29 ph4 kernel: [drm] DVI-D-1
> Jul 28 23:00:29 ph4 kernel: [drm] HPD1
> Jul 28 23:00:29 ph4 kernel: [drm] DDC: 0x4878 0x4878 0x4879 0x4879 0x487a
> 0x487a 0x487b 0x487b
> Jul 28 23:00:29 ph4 kernel: [drm] Encoders:
> Jul 28 23:00:29 ph4 kernel: [drm] DFP3: INTERNAL_UNIPHY
> Jul 28 23:00:29 ph4 kernel: [drm] Connector 3:
> Jul 28 23:00:29 ph4 kernel: [drm] DVI-I-1
> Jul 28 23:00:29 ph4 kernel: [drm] HPD6
> Jul 28 23:00:29 ph4 kernel: [drm] DDC: 0x487c 0x487c 0x487d 0x487d 0x487e
> 0x487e 0x487f 0x487f
> Jul 28 23:00:29 ph4 kernel: [drm] Encoders:
> Jul 28 23:00:29 ph4 kernel: [drm] DFP4: INTERNAL_UNIPHY2
> Jul 28 23:00:29 ph4 kernel: [drm] CRT1: INTERNAL_KLDSCP_DAC1
> Jul 28 23:00:29 ph4 kernel: amdgpu 0000:01:00.0: fence driver on ring 0 use
> gpu addr 0x0000000000400200, cpu addr 0xffff88022e059200
> Jul 28 23:00:29 ph4 kernel: amdgpu 0000:01:00.0: fence driver on ring 1 use
> gpu addr 0x0000000000400600, cpu addr 0xffff88022e059600
> Jul 28 23:00:29 ph4 kernel: amdgpu 0000:01:00.0: fence driver on ring 2 use
> gpu addr 0x0000000000400a00, cpu addr 0xffff88022e059a00
> Jul 28 23:00:29 ph4 kernel: amdgpu 0000:01:00.0: fence driver on ring 3 use
> gpu addr 0x0000000000400e00, cpu addr 0xffff88022e059e00
> Jul 28 23:00:29 ph4 kernel: amdgpu 0000:01:00.0: (-22) ring rptr_offs wb
> alloc failed
> Jul 28 23:00:29 ph4 kernel: [drm:amdgpu_device_init [amdgpu]] *ERROR*
> sw_init of IP block <gfx_v8_0> failed -22
> Jul 28 23:00:29 ph4 kernel: amdgpu 0000:01:00.0: amdgpu_init failed
> Jul 28 23:00:29 ph4 kernel: [TTM] Finalizing pool allocator
> Jul 28 23:00:29 ph4 kernel: [TTM] Finalizing DMA pool allocator
> Jul 28 23:00:29 ph4 kernel: [TTM] Zone kernel: Used memory at exit: 73 kiB
> Jul 28 23:00:29 ph4 kernel: [TTM] Zone dma32: Used memory at exit: 25 kiB
> Jul 28 23:00:29 ph4 kernel: [drm] amdgpu: ttm finalized
> Jul 28 23:00:29 ph4 kernel: amdgpu 0000:01:00.0: Fatal error during GPU init
> Jul 28 23:00:29 ph4 kernel: [drm] amdgpu: finishing device.
> Jul 28 23:00:29 ph4 kernel: [TTM] Memory type 2 has not been initialized
> Jul 28 23:00:29 ph4 kernel: amdgpu: probe of 0000:01:00.0 failed with error
> -22
>
>
>
>>
>> Signed-off-by: Alex Deucher <alexander.deucher at amd.com>
>> ---
>> drivers/gpu/drm/amd/amdgpu/amdgpu.h | 4 --
>> drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 65
>> ------------------------------
>> drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c | 65
>> ++++++++----------------------
>> drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c | 8 ++--
>> 4 files changed, 20 insertions(+), 122 deletions(-)
>>
>> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h
>> b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
>> index ed1b688..c880851 100644
>> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h
>> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
>> @@ -1190,10 +1190,6 @@ struct amdgpu_wb {
>> int amdgpu_wb_get(struct amdgpu_device *adev, u32 *wb);
>> void amdgpu_wb_free(struct amdgpu_device *adev, u32 wb);
>> -int amdgpu_wb_get_64bit(struct amdgpu_device *adev, u32 *wb);
>> -int amdgpu_wb_get_256bit(struct amdgpu_device *adev, u32 *wb);
>> -void amdgpu_wb_free_64bit(struct amdgpu_device *adev, u32 wb);
>> -void amdgpu_wb_free_256bit(struct amdgpu_device *adev, u32 wb);
>> void amdgpu_get_pcie_info(struct amdgpu_device *adev);
>> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
>> b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
>> index c2ddeb1..d422277 100644
>> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
>> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
>> @@ -570,41 +570,6 @@ static int amdgpu_wb_init(struct amdgpu_device *adev)
>> */
>> int amdgpu_wb_get(struct amdgpu_device *adev, u32 *wb)
>> {
>> - unsigned long offset = find_first_zero_bit(adev->wb.used,
>> adev->wb.num_wb);
>> - if (offset < adev->wb.num_wb) {
>> - __set_bit(offset, adev->wb.used);
>> - *wb = offset;
>> - return 0;
>> - } else {
>> - return -EINVAL;
>> - }
>> -}
>> -
>> -/**
>> - * amdgpu_wb_get_64bit - Allocate a wb entry
>> - *
>> - * @adev: amdgpu_device pointer
>> - * @wb: wb index
>> - *
>> - * Allocate a wb slot for use by the driver (all asics).
>> - * Returns 0 on success or -EINVAL on failure.
>> - */
>> -int amdgpu_wb_get_64bit(struct amdgpu_device *adev, u32 *wb)
>> -{
>> - unsigned long offset =
>> bitmap_find_next_zero_area_off(adev->wb.used,
>> - adev->wb.num_wb, 0, 2, 7, 0);
>> - if ((offset + 1) < adev->wb.num_wb) {
>> - __set_bit(offset, adev->wb.used);
>> - __set_bit(offset + 1, adev->wb.used);
>> - *wb = offset;
>> - return 0;
>> - } else {
>> - return -EINVAL;
>> - }
>> -}
>> -
>> -int amdgpu_wb_get_256bit(struct amdgpu_device *adev, u32 *wb)
>> -{
>> int i = 0;
>> unsigned long offset =
>> bitmap_find_next_zero_area_off(adev->wb.used,
>> adev->wb.num_wb, 0, 8, 63, 0);
>> @@ -628,36 +593,6 @@ int amdgpu_wb_get_256bit(struct amdgpu_device *adev,
>> u32 *wb)
>> */
>> void amdgpu_wb_free(struct amdgpu_device *adev, u32 wb)
>> {
>> - if (wb < adev->wb.num_wb)
>> - __clear_bit(wb, adev->wb.used);
>> -}
>> -
>> -/**
>> - * amdgpu_wb_free_64bit - Free a wb entry
>> - *
>> - * @adev: amdgpu_device pointer
>> - * @wb: wb index
>> - *
>> - * Free a wb slot allocated for use by the driver (all asics)
>> - */
>> -void amdgpu_wb_free_64bit(struct amdgpu_device *adev, u32 wb)
>> -{
>> - if ((wb + 1) < adev->wb.num_wb) {
>> - __clear_bit(wb, adev->wb.used);
>> - __clear_bit(wb + 1, adev->wb.used);
>> - }
>> -}
>> -
>> -/**
>> - * amdgpu_wb_free_256bit - Free a wb entry
>> - *
>> - * @adev: amdgpu_device pointer
>> - * @wb: wb index
>> - *
>> - * Free a wb slot allocated for use by the driver (all asics)
>> - */
>> -void amdgpu_wb_free_256bit(struct amdgpu_device *adev, u32 wb)
>> -{
>> int i = 0;
>> if ((wb + 7) < adev->wb.num_wb)
>> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c
>> b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c
>> index 3874be8..704475674 100644
>> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c
>> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c
>> @@ -184,47 +184,22 @@ int amdgpu_ring_init(struct amdgpu_device *adev,
>> struct amdgpu_ring *ring,
>> return r;
>> }
>> - if (ring->funcs->support_64bit_ptrs) {
>> - r = amdgpu_wb_get_64bit(adev, &ring->rptr_offs);
>> - if (r) {
>> - dev_err(adev->dev, "(%d) ring rptr_offs wb alloc
>> failed\n", r);
>> - return r;
>> - }
>> -
>> - r = amdgpu_wb_get_64bit(adev, &ring->wptr_offs);
>> - if (r) {
>> - dev_err(adev->dev, "(%d) ring wptr_offs wb alloc
>> failed\n", r);
>> - return r;
>> - }
>> -
>> - } else {
>> - r = amdgpu_wb_get(adev, &ring->rptr_offs);
>> - if (r) {
>> - dev_err(adev->dev, "(%d) ring rptr_offs wb alloc
>> failed\n", r);
>> - return r;
>> - }
>> -
>> - r = amdgpu_wb_get(adev, &ring->wptr_offs);
>> - if (r) {
>> - dev_err(adev->dev, "(%d) ring wptr_offs wb alloc
>> failed\n", r);
>> - return r;
>> - }
>> -
>> + r = amdgpu_wb_get(adev, &ring->rptr_offs);
>> + if (r) {
>> + dev_err(adev->dev, "(%d) ring rptr_offs wb alloc
>> failed\n", r);
>> + return r;
>> }
>> - if (amdgpu_sriov_vf(adev) && ring->funcs->type ==
>> AMDGPU_RING_TYPE_GFX) {
>> - r = amdgpu_wb_get_256bit(adev, &ring->fence_offs);
>> - if (r) {
>> - dev_err(adev->dev, "(%d) ring fence_offs wb alloc
>> failed\n", r);
>> - return r;
>> - }
>> + r = amdgpu_wb_get(adev, &ring->wptr_offs);
>> + if (r) {
>> + dev_err(adev->dev, "(%d) ring wptr_offs wb alloc
>> failed\n", r);
>> + return r;
>> + }
>> - } else {
>> - r = amdgpu_wb_get(adev, &ring->fence_offs);
>> - if (r) {
>> - dev_err(adev->dev, "(%d) ring fence_offs wb alloc
>> failed\n", r);
>> - return r;
>> - }
>> + r = amdgpu_wb_get(adev, &ring->fence_offs);
>> + if (r) {
>> + dev_err(adev->dev, "(%d) ring fence_offs wb alloc
>> failed\n", r);
>> + return r;
>> }
>> r = amdgpu_wb_get(adev, &ring->cond_exe_offs);
>> @@ -286,19 +261,11 @@ void amdgpu_ring_fini(struct amdgpu_ring *ring)
>> {
>> ring->ready = false;
>> - if (ring->funcs->support_64bit_ptrs) {
>> - amdgpu_wb_free_64bit(ring->adev, ring->rptr_offs);
>> - amdgpu_wb_free_64bit(ring->adev, ring->wptr_offs);
>> - } else {
>> - amdgpu_wb_free(ring->adev, ring->rptr_offs);
>> - amdgpu_wb_free(ring->adev, ring->wptr_offs);
>> - }
>> + amdgpu_wb_free(ring->adev, ring->rptr_offs);
>> + amdgpu_wb_free(ring->adev, ring->wptr_offs);
>> amdgpu_wb_free(ring->adev, ring->cond_exe_offs);
>> - if (amdgpu_sriov_vf(ring->adev) && ring->funcs->type ==
>> AMDGPU_RING_TYPE_GFX)
>> - amdgpu_wb_free_256bit(ring->adev, ring->fence_offs);
>> - else
>> - amdgpu_wb_free(ring->adev, ring->fence_offs);
>> + amdgpu_wb_free(ring->adev, ring->fence_offs);
>> amdgpu_bo_free_kernel(&ring->ring_obj,
>> &ring->gpu_addr,
>> diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c
>> b/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c
>> index 5c24708..8273e63 100644
>> --- a/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c
>> +++ b/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c
>> @@ -1278,8 +1278,8 @@ static int sdma_v4_0_sw_init(void *handle)
>> AMDGPU_SDMA_IRQ_TRAP1);
>> if (amdgpu_sriov_vf(adev)) {
>> - r = amdgpu_wb_get_64bit(adev,
>> -
>> &adev->sdma.instance[i].poll_mem_offs);
>> + r = amdgpu_wb_get(adev,
>> +
>> &adev->sdma.instance[i].poll_mem_offs);
>> if (r) {
>> dev_err(adev->dev, "(%d) failed to
>> allocate SDMA poll mem wb.\n", r);
>> return r;
>> @@ -1301,8 +1301,8 @@ static int sdma_v4_0_sw_fini(void *handle)
>> amdgpu_ring_fini(&adev->sdma.instance[i].ring);
>> if (amdgpu_sriov_vf(adev))
>> - amdgpu_wb_free_64bit(adev,
>> -
>> adev->sdma.instance[i].poll_mem_offs);
>> + amdgpu_wb_free(adev,
>> +
>> adev->sdma.instance[i].poll_mem_offs);
>> }
>> return 0;
>> }
>>
>
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