summaryrefslogtreecommitdiff
path: root/drivers/gpu/drm/amd/pm/legacy-dpm/kv_smc.c
diff options
context:
space:
mode:
authorLinus Torvalds <torvalds@linux-foundation.org>2022-03-24 16:19:43 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2022-03-24 16:19:43 -0700
commitb14ffae378aa1db993e62b01392e70d1e585fb23 (patch)
tree0ac179d24e8a62ec4c2732ed18d90d83da4b82d7 /drivers/gpu/drm/amd/pm/legacy-dpm/kv_smc.c
parent52deda9551a01879b3562e7b41748e85c591f14c (diff)
parentc6e90a1c660874736bd09c1fec6312b4b4c2ff7b (diff)
Merge tag 'drm-next-2022-03-24' of git://anongit.freedesktop.org/drm/drm
Pull drm updates from Dave Airlie: "Lots of work all over, Intel improving DG2 support, amdkfd CRIU support, msm new hw support, and faster fbdev support. dma-buf: - rename dma-buf-map to iosys-map core: - move buddy allocator to core - add pci/platform init macros - improve EDID parser deep color handling - EDID timing type 7 support - add GPD Win Max quirk - add yes/no helpers to string_helpers - flatten syncobj chains - add nomodeset support to lots of drivers - improve fb-helper clipping support - add default property value interface fbdev: - improve fbdev ops speed ttm: - add a backpointer from ttm bo->ttm resource dp: - move displayport headers - add a dp helper module bridge: - anx7625 atomic support, HDCP support panel: - split out panel-lvds and lvds bindings - find panels in OF subnodes privacy: - add chromeos privacy screen support fb: - hot unplug fw fb on forced removal simpledrm: - request region instead of marking ioresource busy - add panel oreintation property udmabuf: - fix oops with 0 pages amdgpu: - power management code cleanup - Enable freesync video mode by default - RAS code cleanup - Improve VRAM access for debug using SDMA - SR-IOV rework special register access and fixes - profiling power state request ioctl - expose IP discovery via sysfs - Cyan skillfish updates - GC 10.3.7, SDMA 5.2.7, DCN 3.1.6 updates - expose benchmark tests via debugfs - add module param to disable XGMI for testing - GPU reset debugfs register dumping support amdkfd: - CRIU support - SDMA queue fixes radeon: - UVD suspend fix - iMac backlight fix i915: - minimal parallel submission for execlists - DG2-G12 subplatform added - DG2 programming workarounds - DG2 accelerated migration support - flat CCS and CCS engine support for XeHP - initial small BAR support - drop fake LMEM support - ADL-N PCH support - bigjoiner updates - introduce VMA resources and async unbinding - register definitions cleanups - multi-FBC refactoring - DG1 OPROM over SPI support - ADL-N platform enabling - opregion mailbox #5 support - DP MST ESI improvements - drm device based logging - async flip optimisation for DG2 - CPU arch abstraction fixes - improve GuC ADS init to work on aarch64 - tweak TTM LRU priority hint - GuC 69.0.3 support - remove short term execbuf pins nouveau: - higher DP/eDP bitrates - backlight fixes msm: - dpu + dp support for sc8180x - dp support for sm8350 - dpu + dsi support for qcm2290 - 10nm dsi phy tuning support - bridge support for dp encoder - gpu support for additional 7c3 SKUs ingenic: - HDMI support for JZ4780 - aux channel EDID support ast: - AST2600 support - add wide screen support - create DP/DVI connectors omapdrm: - fix implicit dma_buf fencing vc4: - add CSC + full range support - better display firmware handoff panfrost: - add initial dual-core GPU support stm: - new revision support - fb handover support mediatek: - transfer display binding document to yaml format. - add mt8195 display device binding. - allow commands to be sent during video mode. - add wait_for_event for crtc disable by cmdq. tegra: - YUV format support rcar-du: - LVDS support for M3-W+ (R8A77961) exynos: - BGR pixel format for FIMD device" * tag 'drm-next-2022-03-24' of git://anongit.freedesktop.org/drm/drm: (1529 commits) drm/i915/display: Do not re-enable PSR after it was marked as not reliable drm/i915/display: Fix HPD short pulse handling for eDP drm/amdgpu: Use drm_mode_copy() drm/radeon: Use drm_mode_copy() drm/amdgpu: Use ternary operator in `vcn_v1_0_start()` drm/amdgpu: Remove pointless on stack mode copies drm/amd/pm: fix indenting in __smu_cmn_reg_print_error() drm/amdgpu/dc: fix typos in comments drm/amdgpu: fix typos in comments drm/amd/pm: fix typos in comments drm/amdgpu: Add stolen reserved memory for MI25 SRIOV. drm/amdgpu: Merge get_reserved_allocation to get_vbios_allocations. drm/amdkfd: evict svm bo worker handle error drm/amdgpu/vcn: fix vcn ring test failure in igt reload test drm/amdgpu: only allow secure submission on rings which support that drm/amdgpu: fixed the warnings reported by kernel test robot drm/amd/display: 3.2.177 drm/amd/display: [FW Promotion] Release 0.0.108.0 drm/amd/display: Add save/restore PANEL_PWRSEQ_REF_DIV2 drm/amd/display: Wait for hubp read line for Pollock ...
Diffstat (limited to 'drivers/gpu/drm/amd/pm/legacy-dpm/kv_smc.c')
-rw-r--r--drivers/gpu/drm/amd/pm/legacy-dpm/kv_smc.c218
1 files changed, 218 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/pm/legacy-dpm/kv_smc.c b/drivers/gpu/drm/amd/pm/legacy-dpm/kv_smc.c
new file mode 100644
index 000000000000..2d9ab6b8be66
--- /dev/null
+++ b/drivers/gpu/drm/amd/pm/legacy-dpm/kv_smc.c
@@ -0,0 +1,218 @@
+/*
+ * Copyright 2013 Advanced Micro Devices, Inc.
+ *
+ * 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, sublicense,
+ * 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 above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * 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 NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) 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.
+ *
+ * Authors: Alex Deucher
+ */
+
+#include "amdgpu.h"
+#include "cikd.h"
+#include "kv_dpm.h"
+
+#include "smu/smu_7_0_0_d.h"
+#include "smu/smu_7_0_0_sh_mask.h"
+
+int amdgpu_kv_notify_message_to_smu(struct amdgpu_device *adev, u32 id)
+{
+ u32 i;
+ u32 tmp = 0;
+
+ WREG32(mmSMC_MESSAGE_0, id & SMC_MESSAGE_0__SMC_MSG_MASK);
+
+ for (i = 0; i < adev->usec_timeout; i++) {
+ if ((RREG32(mmSMC_RESP_0) & SMC_RESP_0__SMC_RESP_MASK) != 0)
+ break;
+ udelay(1);
+ }
+ tmp = RREG32(mmSMC_RESP_0) & SMC_RESP_0__SMC_RESP_MASK;
+
+ if (tmp != 1) {
+ if (tmp == 0xFF)
+ return -EINVAL;
+ else if (tmp == 0xFE)
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+int amdgpu_kv_dpm_get_enable_mask(struct amdgpu_device *adev, u32 *enable_mask)
+{
+ int ret;
+
+ ret = amdgpu_kv_notify_message_to_smu(adev, PPSMC_MSG_SCLKDPM_GetEnabledMask);
+
+ if (ret == 0)
+ *enable_mask = RREG32_SMC(ixSMC_SYSCON_MSG_ARG_0);
+
+ return ret;
+}
+
+int amdgpu_kv_send_msg_to_smc_with_parameter(struct amdgpu_device *adev,
+ PPSMC_Msg msg, u32 parameter)
+{
+
+ WREG32(mmSMC_MSG_ARG_0, parameter);
+
+ return amdgpu_kv_notify_message_to_smu(adev, msg);
+}
+
+static int kv_set_smc_sram_address(struct amdgpu_device *adev,
+ u32 smc_address, u32 limit)
+{
+ if (smc_address & 3)
+ return -EINVAL;
+ if ((smc_address + 3) > limit)
+ return -EINVAL;
+
+ WREG32(mmSMC_IND_INDEX_0, smc_address);
+ WREG32_P(mmSMC_IND_ACCESS_CNTL, 0,
+ ~SMC_IND_ACCESS_CNTL__AUTO_INCREMENT_IND_0_MASK);
+
+ return 0;
+}
+
+int amdgpu_kv_read_smc_sram_dword(struct amdgpu_device *adev, u32 smc_address,
+ u32 *value, u32 limit)
+{
+ int ret;
+
+ ret = kv_set_smc_sram_address(adev, smc_address, limit);
+ if (ret)
+ return ret;
+
+ *value = RREG32(mmSMC_IND_DATA_0);
+ return 0;
+}
+
+int amdgpu_kv_smc_dpm_enable(struct amdgpu_device *adev, bool enable)
+{
+ if (enable)
+ return amdgpu_kv_notify_message_to_smu(adev, PPSMC_MSG_DPM_Enable);
+ else
+ return amdgpu_kv_notify_message_to_smu(adev, PPSMC_MSG_DPM_Disable);
+}
+
+int amdgpu_kv_smc_bapm_enable(struct amdgpu_device *adev, bool enable)
+{
+ if (enable)
+ return amdgpu_kv_notify_message_to_smu(adev, PPSMC_MSG_EnableBAPM);
+ else
+ return amdgpu_kv_notify_message_to_smu(adev, PPSMC_MSG_DisableBAPM);
+}
+
+int amdgpu_kv_copy_bytes_to_smc(struct amdgpu_device *adev,
+ u32 smc_start_address,
+ const u8 *src, u32 byte_count, u32 limit)
+{
+ int ret;
+ u32 data, original_data, addr, extra_shift, t_byte, count, mask;
+
+ if ((smc_start_address + byte_count) > limit)
+ return -EINVAL;
+
+ addr = smc_start_address;
+ t_byte = addr & 3;
+
+ /* RMW for the initial bytes */
+ if (t_byte != 0) {
+ addr -= t_byte;
+
+ ret = kv_set_smc_sram_address(adev, addr, limit);
+ if (ret)
+ return ret;
+
+ original_data = RREG32(mmSMC_IND_DATA_0);
+
+ data = 0;
+ mask = 0;
+ count = 4;
+ while (count > 0) {
+ if (t_byte > 0) {
+ mask = (mask << 8) | 0xff;
+ t_byte--;
+ } else if (byte_count > 0) {
+ data = (data << 8) + *src++;
+ byte_count--;
+ mask <<= 8;
+ } else {
+ data <<= 8;
+ mask = (mask << 8) | 0xff;
+ }
+ count--;
+ }
+
+ data |= original_data & mask;
+
+ ret = kv_set_smc_sram_address(adev, addr, limit);
+ if (ret)
+ return ret;
+
+ WREG32(mmSMC_IND_DATA_0, data);
+
+ addr += 4;
+ }
+
+ while (byte_count >= 4) {
+ /* SMC address space is BE */
+ data = (src[0] << 24) + (src[1] << 16) + (src[2] << 8) + src[3];
+
+ ret = kv_set_smc_sram_address(adev, addr, limit);
+ if (ret)
+ return ret;
+
+ WREG32(mmSMC_IND_DATA_0, data);
+
+ src += 4;
+ byte_count -= 4;
+ addr += 4;
+ }
+
+ /* RMW for the final bytes */
+ if (byte_count > 0) {
+ data = 0;
+
+ ret = kv_set_smc_sram_address(adev, addr, limit);
+ if (ret)
+ return ret;
+
+ original_data = RREG32(mmSMC_IND_DATA_0);
+
+ extra_shift = 8 * (4 - byte_count);
+
+ while (byte_count > 0) {
+ /* SMC address space is BE */
+ data = (data << 8) + *src++;
+ byte_count--;
+ }
+
+ data <<= extra_shift;
+
+ data |= (original_data & ~((~0UL) << extra_shift));
+
+ ret = kv_set_smc_sram_address(adev, addr, limit);
+ if (ret)
+ return ret;
+
+ WREG32(mmSMC_IND_DATA_0, data);
+ }
+ return 0;
+}
+