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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
commit | 5d1646d90e1f2cceb9f0828f4b28318cd0ec7744 (patch) | |
tree | a94efe259b9009378be6d90eb30d2b019d95c194 /drivers/gpu/drm/amd/amdgpu/vce_v2_0.c | |
parent | Initial commit. (diff) | |
download | linux-5d1646d90e1f2cceb9f0828f4b28318cd0ec7744.tar.xz linux-5d1646d90e1f2cceb9f0828f4b28318cd0ec7744.zip |
Adding upstream version 5.10.209.upstream/5.10.209
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/vce_v2_0.c')
-rw-r--r-- | drivers/gpu/drm/amd/amdgpu/vce_v2_0.c | 654 |
1 files changed, 654 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/vce_v2_0.c b/drivers/gpu/drm/amd/amdgpu/vce_v2_0.c new file mode 100644 index 000000000..0e2945baf --- /dev/null +++ b/drivers/gpu/drm/amd/amdgpu/vce_v2_0.c @@ -0,0 +1,654 @@ +/* + * 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> + */ + +#include <linux/firmware.h> + +#include "amdgpu.h" +#include "amdgpu_vce.h" +#include "cikd.h" +#include "vce/vce_2_0_d.h" +#include "vce/vce_2_0_sh_mask.h" +#include "smu/smu_7_0_1_d.h" +#include "smu/smu_7_0_1_sh_mask.h" +#include "oss/oss_2_0_d.h" +#include "oss/oss_2_0_sh_mask.h" + +#define VCE_V2_0_FW_SIZE (256 * 1024) +#define VCE_V2_0_STACK_SIZE (64 * 1024) +#define VCE_V2_0_DATA_SIZE (23552 * AMDGPU_MAX_VCE_HANDLES) +#define VCE_STATUS_VCPU_REPORT_FW_LOADED_MASK 0x02 + +static void vce_v2_0_set_ring_funcs(struct amdgpu_device *adev); +static void vce_v2_0_set_irq_funcs(struct amdgpu_device *adev); + +/** + * vce_v2_0_ring_get_rptr - get read pointer + * + * @ring: amdgpu_ring pointer + * + * Returns the current hardware read pointer + */ +static uint64_t vce_v2_0_ring_get_rptr(struct amdgpu_ring *ring) +{ + struct amdgpu_device *adev = ring->adev; + + if (ring->me == 0) + return RREG32(mmVCE_RB_RPTR); + else + return RREG32(mmVCE_RB_RPTR2); +} + +/** + * vce_v2_0_ring_get_wptr - get write pointer + * + * @ring: amdgpu_ring pointer + * + * Returns the current hardware write pointer + */ +static uint64_t vce_v2_0_ring_get_wptr(struct amdgpu_ring *ring) +{ + struct amdgpu_device *adev = ring->adev; + + if (ring->me == 0) + return RREG32(mmVCE_RB_WPTR); + else + return RREG32(mmVCE_RB_WPTR2); +} + +/** + * vce_v2_0_ring_set_wptr - set write pointer + * + * @ring: amdgpu_ring pointer + * + * Commits the write pointer to the hardware + */ +static void vce_v2_0_ring_set_wptr(struct amdgpu_ring *ring) +{ + struct amdgpu_device *adev = ring->adev; + + if (ring->me == 0) + WREG32(mmVCE_RB_WPTR, lower_32_bits(ring->wptr)); + else + WREG32(mmVCE_RB_WPTR2, lower_32_bits(ring->wptr)); +} + +static int vce_v2_0_lmi_clean(struct amdgpu_device *adev) +{ + int i, j; + + for (i = 0; i < 10; ++i) { + for (j = 0; j < 100; ++j) { + uint32_t status = RREG32(mmVCE_LMI_STATUS); + + if (status & 0x337f) + return 0; + mdelay(10); + } + } + + return -ETIMEDOUT; +} + +static int vce_v2_0_firmware_loaded(struct amdgpu_device *adev) +{ + int i, j; + + for (i = 0; i < 10; ++i) { + for (j = 0; j < 100; ++j) { + uint32_t status = RREG32(mmVCE_STATUS); + + if (status & VCE_STATUS_VCPU_REPORT_FW_LOADED_MASK) + return 0; + mdelay(10); + } + + DRM_ERROR("VCE not responding, trying to reset the ECPU!!!\n"); + WREG32_P(mmVCE_SOFT_RESET, + VCE_SOFT_RESET__ECPU_SOFT_RESET_MASK, + ~VCE_SOFT_RESET__ECPU_SOFT_RESET_MASK); + mdelay(10); + WREG32_P(mmVCE_SOFT_RESET, 0, + ~VCE_SOFT_RESET__ECPU_SOFT_RESET_MASK); + mdelay(10); + } + + return -ETIMEDOUT; +} + +static void vce_v2_0_disable_cg(struct amdgpu_device *adev) +{ + WREG32(mmVCE_CGTT_CLK_OVERRIDE, 7); +} + +static void vce_v2_0_init_cg(struct amdgpu_device *adev) +{ + u32 tmp; + + tmp = RREG32(mmVCE_CLOCK_GATING_A); + tmp &= ~0xfff; + tmp |= ((0 << 0) | (4 << 4)); + tmp |= 0x40000; + WREG32(mmVCE_CLOCK_GATING_A, tmp); + + tmp = RREG32(mmVCE_UENC_CLOCK_GATING); + tmp &= ~0xfff; + tmp |= ((0 << 0) | (4 << 4)); + WREG32(mmVCE_UENC_CLOCK_GATING, tmp); + + tmp = RREG32(mmVCE_CLOCK_GATING_B); + tmp |= 0x10; + tmp &= ~0x100000; + WREG32(mmVCE_CLOCK_GATING_B, tmp); +} + +static void vce_v2_0_mc_resume(struct amdgpu_device *adev) +{ + uint32_t size, offset; + + WREG32_P(mmVCE_CLOCK_GATING_A, 0, ~(1 << 16)); + WREG32_P(mmVCE_UENC_CLOCK_GATING, 0x1FF000, ~0xFF9FF000); + WREG32_P(mmVCE_UENC_REG_CLOCK_GATING, 0x3F, ~0x3F); + WREG32(mmVCE_CLOCK_GATING_B, 0xf7); + + WREG32(mmVCE_LMI_CTRL, 0x00398000); + WREG32_P(mmVCE_LMI_CACHE_CTRL, 0x0, ~0x1); + WREG32(mmVCE_LMI_SWAP_CNTL, 0); + WREG32(mmVCE_LMI_SWAP_CNTL1, 0); + WREG32(mmVCE_LMI_VM_CTRL, 0); + + WREG32(mmVCE_LMI_VCPU_CACHE_40BIT_BAR, (adev->vce.gpu_addr >> 8)); + + offset = AMDGPU_VCE_FIRMWARE_OFFSET; + size = VCE_V2_0_FW_SIZE; + WREG32(mmVCE_VCPU_CACHE_OFFSET0, offset & 0x7fffffff); + WREG32(mmVCE_VCPU_CACHE_SIZE0, size); + + offset += size; + size = VCE_V2_0_STACK_SIZE; + WREG32(mmVCE_VCPU_CACHE_OFFSET1, offset & 0x7fffffff); + WREG32(mmVCE_VCPU_CACHE_SIZE1, size); + + offset += size; + size = VCE_V2_0_DATA_SIZE; + WREG32(mmVCE_VCPU_CACHE_OFFSET2, offset & 0x7fffffff); + WREG32(mmVCE_VCPU_CACHE_SIZE2, size); + + WREG32_P(mmVCE_LMI_CTRL2, 0x0, ~0x100); + WREG32_FIELD(VCE_SYS_INT_EN, VCE_SYS_INT_TRAP_INTERRUPT_EN, 1); +} + +static bool vce_v2_0_is_idle(void *handle) +{ + struct amdgpu_device *adev = (struct amdgpu_device *)handle; + + return !(RREG32(mmSRBM_STATUS2) & SRBM_STATUS2__VCE_BUSY_MASK); +} + +static int vce_v2_0_wait_for_idle(void *handle) +{ + struct amdgpu_device *adev = (struct amdgpu_device *)handle; + unsigned i; + + for (i = 0; i < adev->usec_timeout; i++) { + if (vce_v2_0_is_idle(handle)) + return 0; + } + return -ETIMEDOUT; +} + +/** + * vce_v2_0_start - start VCE block + * + * @adev: amdgpu_device pointer + * + * Setup and start the VCE block + */ +static int vce_v2_0_start(struct amdgpu_device *adev) +{ + struct amdgpu_ring *ring; + int r; + + /* set BUSY flag */ + WREG32_P(mmVCE_STATUS, 1, ~1); + + vce_v2_0_init_cg(adev); + vce_v2_0_disable_cg(adev); + + vce_v2_0_mc_resume(adev); + + ring = &adev->vce.ring[0]; + WREG32(mmVCE_RB_RPTR, lower_32_bits(ring->wptr)); + WREG32(mmVCE_RB_WPTR, lower_32_bits(ring->wptr)); + WREG32(mmVCE_RB_BASE_LO, ring->gpu_addr); + WREG32(mmVCE_RB_BASE_HI, upper_32_bits(ring->gpu_addr)); + WREG32(mmVCE_RB_SIZE, ring->ring_size / 4); + + ring = &adev->vce.ring[1]; + WREG32(mmVCE_RB_RPTR2, lower_32_bits(ring->wptr)); + WREG32(mmVCE_RB_WPTR2, lower_32_bits(ring->wptr)); + WREG32(mmVCE_RB_BASE_LO2, ring->gpu_addr); + WREG32(mmVCE_RB_BASE_HI2, upper_32_bits(ring->gpu_addr)); + WREG32(mmVCE_RB_SIZE2, ring->ring_size / 4); + + WREG32_FIELD(VCE_VCPU_CNTL, CLK_EN, 1); + WREG32_FIELD(VCE_SOFT_RESET, ECPU_SOFT_RESET, 1); + mdelay(100); + WREG32_FIELD(VCE_SOFT_RESET, ECPU_SOFT_RESET, 0); + + r = vce_v2_0_firmware_loaded(adev); + + /* clear BUSY flag */ + WREG32_P(mmVCE_STATUS, 0, ~1); + + if (r) { + DRM_ERROR("VCE not responding, giving up!!!\n"); + return r; + } + + return 0; +} + +static int vce_v2_0_stop(struct amdgpu_device *adev) +{ + int i; + int status; + + if (vce_v2_0_lmi_clean(adev)) { + DRM_INFO("vce is not idle \n"); + return 0; + } + + if (vce_v2_0_wait_for_idle(adev)) { + DRM_INFO("VCE is busy, Can't set clock gating"); + return 0; + } + + /* Stall UMC and register bus before resetting VCPU */ + WREG32_P(mmVCE_LMI_CTRL2, 1 << 8, ~(1 << 8)); + + for (i = 0; i < 100; ++i) { + status = RREG32(mmVCE_LMI_STATUS); + if (status & 0x240) + break; + mdelay(1); + } + + WREG32_P(mmVCE_VCPU_CNTL, 0, ~0x80001); + + /* put LMI, VCPU, RBC etc... into reset */ + WREG32_P(mmVCE_SOFT_RESET, 1, ~0x1); + + WREG32(mmVCE_STATUS, 0); + + return 0; +} + +static void vce_v2_0_set_sw_cg(struct amdgpu_device *adev, bool gated) +{ + u32 tmp; + + if (gated) { + tmp = RREG32(mmVCE_CLOCK_GATING_B); + tmp |= 0xe70000; + WREG32(mmVCE_CLOCK_GATING_B, tmp); + + tmp = RREG32(mmVCE_UENC_CLOCK_GATING); + tmp |= 0xff000000; + WREG32(mmVCE_UENC_CLOCK_GATING, tmp); + + tmp = RREG32(mmVCE_UENC_REG_CLOCK_GATING); + tmp &= ~0x3fc; + WREG32(mmVCE_UENC_REG_CLOCK_GATING, tmp); + + WREG32(mmVCE_CGTT_CLK_OVERRIDE, 0); + } else { + tmp = RREG32(mmVCE_CLOCK_GATING_B); + tmp |= 0xe7; + tmp &= ~0xe70000; + WREG32(mmVCE_CLOCK_GATING_B, tmp); + + tmp = RREG32(mmVCE_UENC_CLOCK_GATING); + tmp |= 0x1fe000; + tmp &= ~0xff000000; + WREG32(mmVCE_UENC_CLOCK_GATING, tmp); + + tmp = RREG32(mmVCE_UENC_REG_CLOCK_GATING); + tmp |= 0x3fc; + WREG32(mmVCE_UENC_REG_CLOCK_GATING, tmp); + } +} + +static void vce_v2_0_set_dyn_cg(struct amdgpu_device *adev, bool gated) +{ + u32 orig, tmp; + +/* LMI_MC/LMI_UMC always set in dynamic, + * set {CGC_*_GATE_MODE, CGC_*_SW_GATE} = {0, 0} + */ + tmp = RREG32(mmVCE_CLOCK_GATING_B); + tmp &= ~0x00060006; + +/* Exception for ECPU, IH, SEM, SYS blocks needs to be turned on/off by SW */ + if (gated) { + tmp |= 0xe10000; + WREG32(mmVCE_CLOCK_GATING_B, tmp); + } else { + tmp |= 0xe1; + tmp &= ~0xe10000; + WREG32(mmVCE_CLOCK_GATING_B, tmp); + } + + orig = tmp = RREG32(mmVCE_UENC_CLOCK_GATING); + tmp &= ~0x1fe000; + tmp &= ~0xff000000; + if (tmp != orig) + WREG32(mmVCE_UENC_CLOCK_GATING, tmp); + + orig = tmp = RREG32(mmVCE_UENC_REG_CLOCK_GATING); + tmp &= ~0x3fc; + if (tmp != orig) + WREG32(mmVCE_UENC_REG_CLOCK_GATING, tmp); + + /* set VCE_UENC_REG_CLOCK_GATING always in dynamic mode */ + WREG32(mmVCE_UENC_REG_CLOCK_GATING, 0x00); + + if(gated) + WREG32(mmVCE_CGTT_CLK_OVERRIDE, 0); +} + +static void vce_v2_0_enable_mgcg(struct amdgpu_device *adev, bool enable, + bool sw_cg) +{ + if (enable && (adev->cg_flags & AMD_CG_SUPPORT_VCE_MGCG)) { + if (sw_cg) + vce_v2_0_set_sw_cg(adev, true); + else + vce_v2_0_set_dyn_cg(adev, true); + } else { + vce_v2_0_disable_cg(adev); + + if (sw_cg) + vce_v2_0_set_sw_cg(adev, false); + else + vce_v2_0_set_dyn_cg(adev, false); + } +} + +static int vce_v2_0_early_init(void *handle) +{ + struct amdgpu_device *adev = (struct amdgpu_device *)handle; + + adev->vce.num_rings = 2; + + vce_v2_0_set_ring_funcs(adev); + vce_v2_0_set_irq_funcs(adev); + + return 0; +} + +static int vce_v2_0_sw_init(void *handle) +{ + struct amdgpu_ring *ring; + int r, i; + struct amdgpu_device *adev = (struct amdgpu_device *)handle; + + /* VCE */ + r = amdgpu_irq_add_id(adev, AMDGPU_IRQ_CLIENTID_LEGACY, 167, &adev->vce.irq); + if (r) + return r; + + r = amdgpu_vce_sw_init(adev, VCE_V2_0_FW_SIZE + + VCE_V2_0_STACK_SIZE + VCE_V2_0_DATA_SIZE); + if (r) + return r; + + r = amdgpu_vce_resume(adev); + if (r) + return r; + + for (i = 0; i < adev->vce.num_rings; i++) { + ring = &adev->vce.ring[i]; + sprintf(ring->name, "vce%d", i); + r = amdgpu_ring_init(adev, ring, 512, + &adev->vce.irq, 0, + AMDGPU_RING_PRIO_DEFAULT); + if (r) + return r; + } + + r = amdgpu_vce_entity_init(adev); + + return r; +} + +static int vce_v2_0_sw_fini(void *handle) +{ + int r; + struct amdgpu_device *adev = (struct amdgpu_device *)handle; + + r = amdgpu_vce_suspend(adev); + if (r) + return r; + + return amdgpu_vce_sw_fini(adev); +} + +static int vce_v2_0_hw_init(void *handle) +{ + int r, i; + struct amdgpu_device *adev = (struct amdgpu_device *)handle; + + amdgpu_asic_set_vce_clocks(adev, 10000, 10000); + vce_v2_0_enable_mgcg(adev, true, false); + + for (i = 0; i < adev->vce.num_rings; i++) { + r = amdgpu_ring_test_helper(&adev->vce.ring[i]); + if (r) + return r; + } + + DRM_INFO("VCE initialized successfully.\n"); + + return 0; +} + +static int vce_v2_0_hw_fini(void *handle) +{ + return 0; +} + +static int vce_v2_0_suspend(void *handle) +{ + int r; + struct amdgpu_device *adev = (struct amdgpu_device *)handle; + + r = vce_v2_0_hw_fini(adev); + if (r) + return r; + + return amdgpu_vce_suspend(adev); +} + +static int vce_v2_0_resume(void *handle) +{ + int r; + struct amdgpu_device *adev = (struct amdgpu_device *)handle; + + r = amdgpu_vce_resume(adev); + if (r) + return r; + + return vce_v2_0_hw_init(adev); +} + +static int vce_v2_0_soft_reset(void *handle) +{ + struct amdgpu_device *adev = (struct amdgpu_device *)handle; + + WREG32_FIELD(SRBM_SOFT_RESET, SOFT_RESET_VCE, 1); + mdelay(5); + + return vce_v2_0_start(adev); +} + +static int vce_v2_0_set_interrupt_state(struct amdgpu_device *adev, + struct amdgpu_irq_src *source, + unsigned type, + enum amdgpu_interrupt_state state) +{ + uint32_t val = 0; + + if (state == AMDGPU_IRQ_STATE_ENABLE) + val |= VCE_SYS_INT_EN__VCE_SYS_INT_TRAP_INTERRUPT_EN_MASK; + + WREG32_P(mmVCE_SYS_INT_EN, val, ~VCE_SYS_INT_EN__VCE_SYS_INT_TRAP_INTERRUPT_EN_MASK); + return 0; +} + +static int vce_v2_0_process_interrupt(struct amdgpu_device *adev, + struct amdgpu_irq_src *source, + struct amdgpu_iv_entry *entry) +{ + DRM_DEBUG("IH: VCE\n"); + switch (entry->src_data[0]) { + case 0: + case 1: + amdgpu_fence_process(&adev->vce.ring[entry->src_data[0]]); + break; + default: + DRM_ERROR("Unhandled interrupt: %d %d\n", + entry->src_id, entry->src_data[0]); + break; + } + + return 0; +} + +static int vce_v2_0_set_clockgating_state(void *handle, + enum amd_clockgating_state state) +{ + bool gate = false; + bool sw_cg = false; + + struct amdgpu_device *adev = (struct amdgpu_device *)handle; + + if (state == AMD_CG_STATE_GATE) { + gate = true; + sw_cg = true; + } + + vce_v2_0_enable_mgcg(adev, gate, sw_cg); + + return 0; +} + +static int vce_v2_0_set_powergating_state(void *handle, + enum amd_powergating_state state) +{ + /* This doesn't actually powergate the VCE block. + * That's done in the dpm code via the SMC. This + * just re-inits the block as necessary. The actual + * gating still happens in the dpm code. We should + * revisit this when there is a cleaner line between + * the smc and the hw blocks + */ + struct amdgpu_device *adev = (struct amdgpu_device *)handle; + + if (state == AMD_PG_STATE_GATE) + return vce_v2_0_stop(adev); + else + return vce_v2_0_start(adev); +} + +static const struct amd_ip_funcs vce_v2_0_ip_funcs = { + .name = "vce_v2_0", + .early_init = vce_v2_0_early_init, + .late_init = NULL, + .sw_init = vce_v2_0_sw_init, + .sw_fini = vce_v2_0_sw_fini, + .hw_init = vce_v2_0_hw_init, + .hw_fini = vce_v2_0_hw_fini, + .suspend = vce_v2_0_suspend, + .resume = vce_v2_0_resume, + .is_idle = vce_v2_0_is_idle, + .wait_for_idle = vce_v2_0_wait_for_idle, + .soft_reset = vce_v2_0_soft_reset, + .set_clockgating_state = vce_v2_0_set_clockgating_state, + .set_powergating_state = vce_v2_0_set_powergating_state, +}; + +static const struct amdgpu_ring_funcs vce_v2_0_ring_funcs = { + .type = AMDGPU_RING_TYPE_VCE, + .align_mask = 0xf, + .nop = VCE_CMD_NO_OP, + .support_64bit_ptrs = false, + .no_user_fence = true, + .get_rptr = vce_v2_0_ring_get_rptr, + .get_wptr = vce_v2_0_ring_get_wptr, + .set_wptr = vce_v2_0_ring_set_wptr, + .parse_cs = amdgpu_vce_ring_parse_cs, + .emit_frame_size = 6, /* amdgpu_vce_ring_emit_fence x1 no user fence */ + .emit_ib_size = 4, /* amdgpu_vce_ring_emit_ib */ + .emit_ib = amdgpu_vce_ring_emit_ib, + .emit_fence = amdgpu_vce_ring_emit_fence, + .test_ring = amdgpu_vce_ring_test_ring, + .test_ib = amdgpu_vce_ring_test_ib, + .insert_nop = amdgpu_ring_insert_nop, + .pad_ib = amdgpu_ring_generic_pad_ib, + .begin_use = amdgpu_vce_ring_begin_use, + .end_use = amdgpu_vce_ring_end_use, +}; + +static void vce_v2_0_set_ring_funcs(struct amdgpu_device *adev) +{ + int i; + + for (i = 0; i < adev->vce.num_rings; i++) { + adev->vce.ring[i].funcs = &vce_v2_0_ring_funcs; + adev->vce.ring[i].me = i; + } +} + +static const struct amdgpu_irq_src_funcs vce_v2_0_irq_funcs = { + .set = vce_v2_0_set_interrupt_state, + .process = vce_v2_0_process_interrupt, +}; + +static void vce_v2_0_set_irq_funcs(struct amdgpu_device *adev) +{ + adev->vce.irq.num_types = 1; + adev->vce.irq.funcs = &vce_v2_0_irq_funcs; +}; + +const struct amdgpu_ip_block_version vce_v2_0_ip_block = +{ + .type = AMD_IP_BLOCK_TYPE_VCE, + .major = 2, + .minor = 0, + .rev = 0, + .funcs = &vce_v2_0_ip_funcs, +}; |