tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
drm/amdgpu: add amdgpu_jpeg and JPEG tests
It will be used for all versions of JPEG eventually. Previous
JPEG tests will be removed later since they are still used by
JPEG2.x.
Signed-off-by: Leo Liu <leo.liu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
authored by
Leo Liu
and committed by
Alex Deucher
9d9cc9b8
88a1c40a
+141
-2
+3
-2
drivers/gpu/drm/amd/amdgpu/Makefile
+3
-2
drivers/gpu/drm/amd/amdgpu/Makefile
···
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vce_v3_0.o \
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vce_v4_0.o
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-
# add VCN block
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# add VCN and JPEG block
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amdgpu-y += \
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amdgpu_vcn.o \
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vcn_v1_0.o \
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vcn_v2_0.o \
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-
vcn_v2_5.o
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vcn_v2_5.o \
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amdgpu_jpeg.o
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# add ATHUB block
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amdgpu-y += \
+135
drivers/gpu/drm/amd/amdgpu/amdgpu_jpeg.c
+135
drivers/gpu/drm/amd/amdgpu/amdgpu_jpeg.c
···
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/*
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* Copyright 2019 Advanced Micro Devices, Inc.
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* All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sub license, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
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* THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
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* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
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* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
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* USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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* The above copyright notice and this permission notice (including the
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* next paragraph) shall be included in all copies or substantial portions
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* of the Software.
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*
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*/
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#include "amdgpu.h"
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#include "amdgpu_jpeg.h"
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#include "soc15d.h"
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#include "soc15_common.h"
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int amdgpu_jpeg_dec_ring_test_ring(struct amdgpu_ring *ring)
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{
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struct amdgpu_device *adev = ring->adev;
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uint32_t tmp = 0;
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unsigned i;
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int r;
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WREG32(adev->jpeg.inst[ring->me].external.jpeg_pitch, 0xCAFEDEAD);
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r = amdgpu_ring_alloc(ring, 3);
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if (r)
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return r;
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amdgpu_ring_write(ring, PACKET0(adev->jpeg.internal.jpeg_pitch, 0));
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amdgpu_ring_write(ring, 0xDEADBEEF);
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amdgpu_ring_commit(ring);
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for (i = 0; i < adev->usec_timeout; i++) {
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tmp = RREG32(adev->jpeg.inst[ring->me].external.jpeg_pitch);
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if (tmp == 0xDEADBEEF)
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break;
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udelay(1);
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}
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if (i >= adev->usec_timeout)
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r = -ETIMEDOUT;
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return r;
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}
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static int amdgpu_jpeg_dec_set_reg(struct amdgpu_ring *ring, uint32_t handle,
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struct dma_fence **fence)
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{
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struct amdgpu_device *adev = ring->adev;
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struct amdgpu_job *job;
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struct amdgpu_ib *ib;
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struct dma_fence *f = NULL;
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const unsigned ib_size_dw = 16;
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int i, r;
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r = amdgpu_job_alloc_with_ib(ring->adev, ib_size_dw * 4, &job);
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if (r)
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return r;
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ib = &job->ibs[0];
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ib->ptr[0] = PACKETJ(adev->jpeg.internal.jpeg_pitch, 0, 0, PACKETJ_TYPE0);
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ib->ptr[1] = 0xDEADBEEF;
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for (i = 2; i < 16; i += 2) {
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ib->ptr[i] = PACKETJ(0, 0, 0, PACKETJ_TYPE6);
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ib->ptr[i+1] = 0;
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}
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ib->length_dw = 16;
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r = amdgpu_job_submit_direct(job, ring, &f);
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if (r)
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goto err;
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if (fence)
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*fence = dma_fence_get(f);
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dma_fence_put(f);
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return 0;
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err:
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amdgpu_job_free(job);
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return r;
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}
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int amdgpu_jpeg_dec_ring_test_ib(struct amdgpu_ring *ring, long timeout)
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{
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struct amdgpu_device *adev = ring->adev;
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uint32_t tmp = 0;
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unsigned i;
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struct dma_fence *fence = NULL;
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long r = 0;
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r = amdgpu_jpeg_dec_set_reg(ring, 1, &fence);
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if (r)
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goto error;
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r = dma_fence_wait_timeout(fence, false, timeout);
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if (r == 0) {
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r = -ETIMEDOUT;
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goto error;
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} else if (r < 0) {
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goto error;
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} else {
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r = 0;
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}
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for (i = 0; i < adev->usec_timeout; i++) {
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tmp = RREG32(adev->jpeg.inst[ring->me].external.jpeg_pitch);
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if (tmp == 0xDEADBEEF)
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break;
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udelay(1);
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}
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if (i >= adev->usec_timeout)
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r = -ETIMEDOUT;
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dma_fence_put(fence);
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error:
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return r;
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}