/* * Copyright 2013 Advanced Micro Devices, Inc. * All Rights Reserved. * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the * "Software"), to deal in the Software without restriction, including * without limitation the rights to use, copy, modify, merge, publish, * distribute, sub license, and/or sell copies of the Software, and to * permit persons to whom the Software is furnished to do so, subject to * the following conditions: * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE * USE OR OTHER DEALINGS IN THE SOFTWARE. * * The above copyright notice and this permission notice (including the * next paragraph) shall be included in all copies or substantial portions * of the Software. * * Authors: Christian König <christian.koenig@amd.com>
*/
for (i = 0; i < 10; ++i) {
uint32_t status; for (j = 0; j < 100; ++j) {
status = RREG32(VCE_STATUS); if (status & 2) break;
mdelay(10);
}
r = 0; if (status & 2) break;
DRM_ERROR("VCE not responding, trying to reset the ECPU!!!\n");
WREG32_P(VCE_SOFT_RESET, VCE_ECPU_SOFT_RESET, ~VCE_ECPU_SOFT_RESET);
mdelay(10);
WREG32_P(VCE_SOFT_RESET, 0, ~VCE_ECPU_SOFT_RESET);
mdelay(10);
r = -1;
}
/* clear BUSY flag */
WREG32_P(VCE_STATUS, 0, ~1);
if (r) {
DRM_ERROR("VCE not responding, giving up!!!\n"); return r;
}
return 0;
}
int vce_v1_0_init(struct radeon_device *rdev)
{ struct radeon_ring *ring; int r;
r = vce_v1_0_start(rdev); if (r) return r;
ring = &rdev->ring[TN_RING_TYPE_VCE1_INDEX];
ring->ready = true;
r = radeon_ring_test(rdev, TN_RING_TYPE_VCE1_INDEX, ring); if (r) {
ring->ready = false; return r;
}
ring = &rdev->ring[TN_RING_TYPE_VCE2_INDEX];
ring->ready = true;
r = radeon_ring_test(rdev, TN_RING_TYPE_VCE2_INDEX, ring); if (r) {
ring->ready = false; return r;
}
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