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authorDave Airlie <airlied@redhat.com>2018-11-02 12:56:24 +1000
committerDave Airlie <airlied@redhat.com>2018-11-02 12:56:28 +1000
commit43e0f873b2f2226f454930172f8090819d380f5a (patch)
tree4eed99a486aa1ef6c7f30aafbeca29443c3a91d8
parentMerge tag 'drm-misc-next-fixes-2018-10-31' of git://anongit.freedesktop.org/drm/drm-misc into drm-next (diff)
parentdrm/amdgpu: revert "enable gfxoff in non-sriov and stutter mode by default" (diff)
downloadlinux-dev-43e0f873b2f2226f454930172f8090819d380f5a.tar.xz
linux-dev-43e0f873b2f2226f454930172f8090819d380f5a.zip
Merge branch 'drm-next-4.20' of git://people.freedesktop.org/~agd5f/linux into drm-next
- Fix flickering at low backlight levels on some systems - Fix some overclocking regressions - Vega20 updates for - GPU recovery fixes - Disable gfxoff on RV as some sbios/fw combinations are not stable yet Signed-off-by: Dave Airlie <airlied@redhat.com> From: Alex Deucher <alexdeucher@gmail.com> Link: https://patchwork.freedesktop.org/patch/msgid/20181101151939.2828-1-alexander.deucher@amd.com
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_acp.c6
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_device.c6
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c4
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c2
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c15
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c7
-rw-r--r--drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c6
-rw-r--r--drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c2
-rw-r--r--drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c6
-rw-r--r--drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c7
-rw-r--r--drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_pp_smu.c16
-rw-r--r--drivers/gpu/drm/amd/display/dc/dce110/dce110_resource.c2
-rw-r--r--drivers/gpu/drm/amd/powerplay/amd_powerplay.c33
-rw-r--r--drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c10
-rw-r--r--drivers/gpu/drm/amd/powerplay/hwmgr/smu_helper.c2
-rw-r--r--drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c43
-rw-r--r--drivers/gpu/drm/amd/powerplay/hwmgr/vega12_hwmgr.c8
-rw-r--r--drivers/gpu/drm/amd/powerplay/hwmgr/vega20_hwmgr.c85
-rw-r--r--drivers/gpu/drm/amd/powerplay/hwmgr/vega20_processpptables.c56
-rw-r--r--drivers/gpu/drm/amd/powerplay/inc/smu11_driver_if.h2
-rw-r--r--drivers/gpu/drm/amd/powerplay/smumgr/smu8_smumgr.c4
21 files changed, 207 insertions, 115 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_acp.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_acp.c
index 297a5490ad8c..0a4fba196b84 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_acp.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_acp.c
@@ -135,7 +135,8 @@ static int acp_poweroff(struct generic_pm_domain *genpd)
* 2. power off the acp tiles
* 3. check and enter ulv state
*/
- if (adev->powerplay.pp_funcs->set_powergating_by_smu)
+ if (adev->powerplay.pp_funcs &&
+ adev->powerplay.pp_funcs->set_powergating_by_smu)
amdgpu_dpm_set_powergating_by_smu(adev, AMD_IP_BLOCK_TYPE_ACP, true);
}
return 0;
@@ -517,7 +518,8 @@ static int acp_set_powergating_state(void *handle,
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
bool enable = state == AMD_PG_STATE_GATE ? true : false;
- if (adev->powerplay.pp_funcs->set_powergating_by_smu)
+ if (adev->powerplay.pp_funcs &&
+ adev->powerplay.pp_funcs->set_powergating_by_smu)
amdgpu_dpm_set_powergating_by_smu(adev, AMD_IP_BLOCK_TYPE_ACP, enable);
return 0;
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index 1e4dd09a5072..30bc345d6fdf 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -1493,8 +1493,6 @@ static int amdgpu_device_ip_early_init(struct amdgpu_device *adev)
}
adev->powerplay.pp_feature = amdgpu_pp_feature_mask;
- if (amdgpu_sriov_vf(adev))
- adev->powerplay.pp_feature &= ~PP_GFXOFF_MASK;
for (i = 0; i < adev->num_ip_blocks; i++) {
if ((amdgpu_ip_block_mask & (1 << i)) == 0) {
@@ -1600,7 +1598,7 @@ static int amdgpu_device_fw_loading(struct amdgpu_device *adev)
}
}
- if (adev->powerplay.pp_funcs->load_firmware) {
+ if (adev->powerplay.pp_funcs && adev->powerplay.pp_funcs->load_firmware) {
r = adev->powerplay.pp_funcs->load_firmware(adev->powerplay.pp_handle);
if (r) {
pr_err("firmware loading failed\n");
@@ -3341,7 +3339,7 @@ int amdgpu_device_gpu_recover(struct amdgpu_device *adev,
kthread_park(ring->sched.thread);
- if (job && job->base.sched == &ring->sched)
+ if (job && job->base.sched != &ring->sched)
continue;
drm_sched_hw_job_reset(&ring->sched, job ? &job->base : NULL);
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
index 28781414d71c..943dbf3c5da1 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
@@ -114,8 +114,8 @@ uint amdgpu_pg_mask = 0xffffffff;
uint amdgpu_sdma_phase_quantum = 32;
char *amdgpu_disable_cu = NULL;
char *amdgpu_virtual_display = NULL;
-/* OverDrive(bit 14) disabled by default*/
-uint amdgpu_pp_feature_mask = 0xffffbfff;
+/* OverDrive(bit 14),gfxoff(bit 15),stutter mode(bit 17) disabled by default*/
+uint amdgpu_pp_feature_mask = 0xfffd3fff;
int amdgpu_ngg = 0;
int amdgpu_prim_buf_per_se = 0;
int amdgpu_pos_buf_per_se = 0;
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c
index 790fd5408ddf..1a656b8657f7 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c
@@ -392,7 +392,7 @@ void amdgpu_gfx_off_ctrl(struct amdgpu_device *adev, bool enable)
if (!(adev->powerplay.pp_feature & PP_GFXOFF_MASK))
return;
- if (!adev->powerplay.pp_funcs->set_powergating_by_smu)
+ if (!adev->powerplay.pp_funcs || !adev->powerplay.pp_funcs->set_powergating_by_smu)
return;
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
index 94055a485e01..59cc678de8c1 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
@@ -704,7 +704,10 @@ static ssize_t amdgpu_set_pp_dpm_sclk(struct device *dev,
return ret;
if (adev->powerplay.pp_funcs->force_clock_level)
- amdgpu_dpm_force_clock_level(adev, PP_SCLK, mask);
+ ret = amdgpu_dpm_force_clock_level(adev, PP_SCLK, mask);
+
+ if (ret)
+ return -EINVAL;
return count;
}
@@ -737,7 +740,10 @@ static ssize_t amdgpu_set_pp_dpm_mclk(struct device *dev,
return ret;
if (adev->powerplay.pp_funcs->force_clock_level)
- amdgpu_dpm_force_clock_level(adev, PP_MCLK, mask);
+ ret = amdgpu_dpm_force_clock_level(adev, PP_MCLK, mask);
+
+ if (ret)
+ return -EINVAL;
return count;
}
@@ -770,7 +776,10 @@ static ssize_t amdgpu_set_pp_dpm_pcie(struct device *dev,
return ret;
if (adev->powerplay.pp_funcs->force_clock_level)
- amdgpu_dpm_force_clock_level(adev, PP_PCIE, mask);
+ ret = amdgpu_dpm_force_clock_level(adev, PP_PCIE, mask);
+
+ if (ret)
+ return -EINVAL;
return count;
}
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
index 6904d794d60a..352b30409060 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
@@ -542,7 +542,8 @@ static void amdgpu_vm_pt_next_leaf(struct amdgpu_device *adev,
struct amdgpu_vm_pt_cursor *cursor)
{
amdgpu_vm_pt_next(adev, cursor);
- while (amdgpu_vm_pt_descendant(adev, cursor));
+ if (cursor->pfn != ~0ll)
+ while (amdgpu_vm_pt_descendant(adev, cursor));
}
/**
@@ -3234,8 +3235,10 @@ void amdgpu_vm_fini(struct amdgpu_device *adev, struct amdgpu_vm *vm)
}
rbtree_postorder_for_each_entry_safe(mapping, tmp,
&vm->va.rb_root, rb) {
+ /* Don't remove the mapping here, we don't want to trigger a
+ * rebalance and the tree is about to be destroyed anyway.
+ */
list_del(&mapping->list);
- amdgpu_vm_it_remove(mapping, &vm->va);
kfree(mapping);
}
list_for_each_entry_safe(mapping, tmp, &vm->freed, list) {
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
index 3d0f277a6523..617b0c8908a3 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
@@ -4815,8 +4815,10 @@ static int gfx_v8_0_kcq_resume(struct amdgpu_device *adev)
if (r)
goto done;
- /* Test KCQs */
- for (i = 0; i < adev->gfx.num_compute_rings; i++) {
+ /* Test KCQs - reversing the order of rings seems to fix ring test failure
+ * after GPU reset
+ */
+ for (i = adev->gfx.num_compute_rings - 1; i >= 0; i--) {
ring = &adev->gfx.compute_ring[i];
ring->ready = true;
r = amdgpu_ring_test_ring(ring);
diff --git a/drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c b/drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c
index 14649f8475f3..fd23ba1226a5 100644
--- a/drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c
@@ -280,7 +280,7 @@ void mmhub_v1_0_update_power_gating(struct amdgpu_device *adev,
return;
if (enable && adev->pg_flags & AMD_PG_SUPPORT_MMHUB) {
- if (adev->powerplay.pp_funcs->set_powergating_by_smu)
+ if (adev->powerplay.pp_funcs && adev->powerplay.pp_funcs->set_powergating_by_smu)
amdgpu_dpm_set_powergating_by_smu(adev, AMD_IP_BLOCK_TYPE_GMC, true);
}
diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c b/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c
index 04fa3d972636..7a8c9172d30a 100644
--- a/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c
@@ -1366,7 +1366,8 @@ static int sdma_v4_0_hw_init(void *handle)
int r;
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
- if (adev->asic_type == CHIP_RAVEN && adev->powerplay.pp_funcs->set_powergating_by_smu)
+ if (adev->asic_type == CHIP_RAVEN && adev->powerplay.pp_funcs &&
+ adev->powerplay.pp_funcs->set_powergating_by_smu)
amdgpu_dpm_set_powergating_by_smu(adev, AMD_IP_BLOCK_TYPE_SDMA, false);
sdma_v4_0_init_golden_registers(adev);
@@ -1386,7 +1387,8 @@ static int sdma_v4_0_hw_fini(void *handle)
sdma_v4_0_ctx_switch_enable(adev, false);
sdma_v4_0_enable(adev, false);
- if (adev->asic_type == CHIP_RAVEN && adev->powerplay.pp_funcs->set_powergating_by_smu)
+ if (adev->asic_type == CHIP_RAVEN && adev->powerplay.pp_funcs
+ && adev->powerplay.pp_funcs->set_powergating_by_smu)
amdgpu_dpm_set_powergating_by_smu(adev, AMD_IP_BLOCK_TYPE_SDMA, true);
return 0;
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
index e224f23e2215..b0df6dc9a775 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -1524,6 +1524,13 @@ static int amdgpu_dm_backlight_update_status(struct backlight_device *bd)
{
struct amdgpu_display_manager *dm = bl_get_data(bd);
+ /*
+ * PWM interperts 0 as 100% rather than 0% because of HW
+ * limitation for level 0.So limiting minimum brightness level
+ * to 1.
+ */
+ if (bd->props.brightness < 1)
+ return 1;
if (dc_link_set_backlight_level(dm->backlight_link,
bd->props.brightness, 0, 0))
return 0;
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_pp_smu.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_pp_smu.c
index 0fab64a2a915..12001a006b2d 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_pp_smu.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_pp_smu.c
@@ -101,7 +101,7 @@ bool dm_pp_apply_display_requirements(
adev->pm.pm_display_cfg.displays[i].controller_id = dc_cfg->pipe_idx + 1;
}
- if (adev->powerplay.pp_funcs->display_configuration_change)
+ if (adev->powerplay.pp_funcs && adev->powerplay.pp_funcs->display_configuration_change)
adev->powerplay.pp_funcs->display_configuration_change(
adev->powerplay.pp_handle,
&adev->pm.pm_display_cfg);
@@ -304,7 +304,7 @@ bool dm_pp_get_clock_levels_by_type(
struct amd_pp_simple_clock_info validation_clks = { 0 };
uint32_t i;
- if (adev->powerplay.pp_funcs->get_clock_by_type) {
+ if (adev->powerplay.pp_funcs && adev->powerplay.pp_funcs->get_clock_by_type) {
if (adev->powerplay.pp_funcs->get_clock_by_type(pp_handle,
dc_to_pp_clock_type(clk_type), &pp_clks)) {
/* Error in pplib. Provide default values. */
@@ -315,7 +315,7 @@ bool dm_pp_get_clock_levels_by_type(
pp_to_dc_clock_levels(&pp_clks, dc_clks, clk_type);
- if (adev->powerplay.pp_funcs->get_display_mode_validation_clocks) {
+ if (adev->powerplay.pp_funcs && adev->powerplay.pp_funcs->get_display_mode_validation_clocks) {
if (adev->powerplay.pp_funcs->get_display_mode_validation_clocks(
pp_handle, &validation_clks)) {
/* Error in pplib. Provide default values. */
@@ -398,6 +398,9 @@ bool dm_pp_get_clock_levels_by_type_with_voltage(
struct pp_clock_levels_with_voltage pp_clk_info = {0};
const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs;
+ if (!pp_funcs || !pp_funcs->get_clock_by_type_with_voltage)
+ return false;
+
if (pp_funcs->get_clock_by_type_with_voltage(pp_handle,
dc_to_pp_clock_type(clk_type),
&pp_clk_info))
@@ -438,7 +441,7 @@ bool dm_pp_apply_clock_for_voltage_request(
if (!pp_clock_request.clock_type)
return false;
- if (adev->powerplay.pp_funcs->display_clock_voltage_request)
+ if (adev->powerplay.pp_funcs && adev->powerplay.pp_funcs->display_clock_voltage_request)
ret = adev->powerplay.pp_funcs->display_clock_voltage_request(
adev->powerplay.pp_handle,
&pp_clock_request);
@@ -455,7 +458,7 @@ bool dm_pp_get_static_clocks(
struct amd_pp_clock_info pp_clk_info = {0};
int ret = 0;
- if (adev->powerplay.pp_funcs->get_current_clocks)
+ if (adev->powerplay.pp_funcs && adev->powerplay.pp_funcs->get_current_clocks)
ret = adev->powerplay.pp_funcs->get_current_clocks(
adev->powerplay.pp_handle,
&pp_clk_info);
@@ -505,6 +508,9 @@ void pp_rv_set_wm_ranges(struct pp_smu *pp,
wm_with_clock_ranges.num_wm_dmif_sets = ranges->num_reader_wm_sets;
wm_with_clock_ranges.num_wm_mcif_sets = ranges->num_writer_wm_sets;
+ if (!pp_funcs || !pp_funcs->set_watermarks_for_clocks_ranges)
+ return;
+
for (i = 0; i < wm_with_clock_ranges.num_wm_dmif_sets; i++) {
if (ranges->reader_wm_sets[i].wm_inst > 3)
wm_dce_clocks[i].wm_set_id = WM_SET_A;
diff --git a/drivers/gpu/drm/amd/display/dc/dce110/dce110_resource.c b/drivers/gpu/drm/amd/display/dc/dce110/dce110_resource.c
index de190935f0a4..e3624ca24574 100644
--- a/drivers/gpu/drm/amd/display/dc/dce110/dce110_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/dce110/dce110_resource.c
@@ -568,7 +568,7 @@ static struct input_pixel_processor *dce110_ipp_create(
static const struct encoder_feature_support link_enc_feature = {
.max_hdmi_deep_color = COLOR_DEPTH_121212,
- .max_hdmi_pixel_clock = 594000,
+ .max_hdmi_pixel_clock = 300000,
.flags.bits.IS_HBR2_CAPABLE = true,
.flags.bits.IS_TPS3_CAPABLE = true
};
diff --git a/drivers/gpu/drm/amd/powerplay/amd_powerplay.c b/drivers/gpu/drm/amd/powerplay/amd_powerplay.c
index e8964cae6b93..d6aa1d414320 100644
--- a/drivers/gpu/drm/amd/powerplay/amd_powerplay.c
+++ b/drivers/gpu/drm/amd/powerplay/amd_powerplay.c
@@ -723,11 +723,14 @@ static int pp_dpm_force_clock_level(void *handle,
pr_info("%s was not implemented.\n", __func__);
return 0;
}
+
+ if (hwmgr->dpm_level != AMD_DPM_FORCED_LEVEL_MANUAL) {
+ pr_info("force clock level is for dpm manual mode only.\n");
+ return -EINVAL;
+ }
+
mutex_lock(&hwmgr->smu_lock);
- if (hwmgr->dpm_level == AMD_DPM_FORCED_LEVEL_MANUAL)
- ret = hwmgr->hwmgr_func->force_clock_level(hwmgr, type, mask);
- else
- ret = -EINVAL;
+ ret = hwmgr->hwmgr_func->force_clock_level(hwmgr, type, mask);
mutex_unlock(&hwmgr->smu_lock);
return ret;
}
@@ -963,6 +966,7 @@ static int pp_dpm_switch_power_profile(void *handle,
static int pp_set_power_limit(void *handle, uint32_t limit)
{
struct pp_hwmgr *hwmgr = handle;
+ uint32_t max_power_limit;
if (!hwmgr || !hwmgr->pm_en)
return -EINVAL;
@@ -975,7 +979,13 @@ static int pp_set_power_limit(void *handle, uint32_t limit)
if (limit == 0)
limit = hwmgr->default_power_limit;
- if (limit > hwmgr->default_power_limit)
+ max_power_limit = hwmgr->default_power_limit;
+ if (hwmgr->od_enabled) {
+ max_power_limit *= (100 + hwmgr->platform_descriptor.TDPODLimit);
+ max_power_limit /= 100;
+ }
+
+ if (limit > max_power_limit)
return -EINVAL;
mutex_lock(&hwmgr->smu_lock);
@@ -994,8 +1004,13 @@ static int pp_get_power_limit(void *handle, uint32_t *limit, bool default_limit)
mutex_lock(&hwmgr->smu_lock);
- if (default_limit)
+ if (default_limit) {
*limit = hwmgr->default_power_limit;
+ if (hwmgr->od_enabled) {
+ *limit *= (100 + hwmgr->platform_descriptor.TDPODLimit);
+ *limit /= 100;
+ }
+ }
else
*limit = hwmgr->power_limit;
@@ -1303,12 +1318,12 @@ static int pp_enable_mgpu_fan_boost(void *handle)
{
struct pp_hwmgr *hwmgr = handle;
- if (!hwmgr || !hwmgr->pm_en)
+ if (!hwmgr)
return -EINVAL;
- if (hwmgr->hwmgr_func->enable_mgpu_fan_boost == NULL) {
+ if (!hwmgr->pm_en ||
+ hwmgr->hwmgr_func->enable_mgpu_fan_boost == NULL)
return 0;
- }
mutex_lock(&hwmgr->smu_lock);
hwmgr->hwmgr_func->enable_mgpu_fan_boost(hwmgr);
diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c
index 6c99cbf51c08..ed35ec0341e6 100644
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c
@@ -3588,9 +3588,10 @@ static int smu7_find_dpm_states_clocks_in_dpm_table(struct pp_hwmgr *hwmgr, cons
break;
}
- if (i >= sclk_table->count)
+ if (i >= sclk_table->count) {
data->need_update_smu7_dpm_table |= DPMTABLE_OD_UPDATE_SCLK;
- else {
+ sclk_table->dpm_levels[i-1].value = sclk;
+ } else {
/* TODO: Check SCLK in DAL's minimum clocks
* in case DeepSleep divider update is required.
*/
@@ -3605,9 +3606,10 @@ static int smu7_find_dpm_states_clocks_in_dpm_table(struct pp_hwmgr *hwmgr, cons
break;
}
- if (i >= mclk_table->count)
+ if (i >= mclk_table->count) {
data->need_update_smu7_dpm_table |= DPMTABLE_OD_UPDATE_MCLK;
-
+ mclk_table->dpm_levels[i-1].value = mclk;
+ }
if (data->display_timing.num_existing_displays != hwmgr->display_config->num_display)
data->need_update_smu7_dpm_table |= DPMTABLE_UPDATE_MCLK;
diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/smu_helper.c b/drivers/gpu/drm/amd/powerplay/hwmgr/smu_helper.c
index 4714b5b59825..99a33c33a32c 100644
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/smu_helper.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/smu_helper.c
@@ -718,7 +718,7 @@ int smu_set_watermarks_for_clocks_ranges(void *wt_table,
table->WatermarkRow[1][i].MaxClock =
cpu_to_le16((uint16_t)
(wm_with_clock_ranges->wm_dmif_clocks_ranges[i].wm_max_dcfclk_clk_in_khz) /
- 100);
+ 1000);
table->WatermarkRow[1][i].MinUclk =
cpu_to_le16((uint16_t)
(wm_with_clock_ranges->wm_dmif_clocks_ranges[i].wm_min_mem_clk_in_khz) /
diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c
index 419a1d77d661..8c4db86bb4b7 100644
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c
@@ -1333,7 +1333,6 @@ static int vega10_setup_default_dpm_tables(struct pp_hwmgr *hwmgr)
if (hwmgr->platform_descriptor.overdriveLimit.memoryClock == 0)
hwmgr->platform_descriptor.overdriveLimit.memoryClock =
dpm_table->dpm_levels[dpm_table->count-1].value;
-
vega10_init_dpm_state(&(dpm_table->dpm_state));
data->dpm_table.eclk_table.count = 0;
@@ -3249,6 +3248,37 @@ static int vega10_apply_state_adjust_rules(struct pp_hwmgr *hwmgr,
static int vega10_find_dpm_states_clocks_in_dpm_table(struct pp_hwmgr *hwmgr, const void *input)
{
struct vega10_hwmgr *data = hwmgr->backend;
+ const struct phm_set_power_state_input *states =
+ (const struct phm_set_power_state_input *)input;
+ const struct vega10_power_state *vega10_ps =
+ cast_const_phw_vega10_power_state(states->pnew_state);
+ struct vega10_single_dpm_table *sclk_table = &(data->dpm_table.gfx_table);
+ uint32_t sclk = vega10_ps->performance_levels
+ [vega10_ps->performance_level_count - 1].gfx_clock;
+ struct vega10_single_dpm_table *mclk_table = &(data->dpm_table.mem_table);
+ uint32_t mclk = vega10_ps->performance_levels
+ [vega10_ps->performance_level_count - 1].mem_clock;
+ uint32_t i;
+
+ for (i = 0; i < sclk_table->count; i++) {
+ if (sclk == sclk_table->dpm_levels[i].value)
+ break;
+ }
+
+ if (i >= sclk_table->count) {
+ data->need_update_dpm_table |= DPMTABLE_OD_UPDATE_SCLK;
+ sclk_table->dpm_levels[i-1].value = sclk;
+ }
+
+ for (i = 0; i < mclk_table->count; i++) {
+ if (mclk == mclk_table->dpm_levels[i].value)
+ break;
+ }
+
+ if (i >= mclk_table->count) {
+ data->need_update_dpm_table |= DPMTABLE_OD_UPDATE_MCLK;
+ mclk_table->dpm_levels[i-1].value = mclk;
+ }
if (data->display_timing.num_existing_displays != hwmgr->display_config->num_display)
data->need_update_dpm_table |= DPMTABLE_UPDATE_MCLK;
@@ -4529,11 +4559,13 @@ static int vega10_set_sclk_od(struct pp_hwmgr *hwmgr, uint32_t value)
if (vega10_ps->performance_levels
[vega10_ps->performance_level_count - 1].gfx_clock >
- hwmgr->platform_descriptor.overdriveLimit.engineClock)
+ hwmgr->platform_descriptor.overdriveLimit.engineClock) {
vega10_ps->performance_levels
[vega10_ps->performance_level_count - 1].gfx_clock =
hwmgr->platform_descriptor.overdriveLimit.engineClock;
-
+ pr_warn("max sclk supported by vbios is %d\n",
+ hwmgr->platform_descriptor.overdriveLimit.engineClock);
+ }
return 0;
}
@@ -4581,10 +4613,13 @@ static int vega10_set_mclk_od(struct pp_hwmgr *hwmgr, uint32_t value)
if (vega10_ps->performance_levels
[vega10_ps->performance_level_count - 1].mem_clock >
- hwmgr->platform_descriptor.overdriveLimit.memoryClock)
+ hwmgr->platform_descriptor.overdriveLimit.memoryClock) {
vega10_ps->performance_levels
[vega10_ps->performance_level_count - 1].mem_clock =
hwmgr->platform_descriptor.overdriveLimit.memoryClock;
+ pr_warn("max mclk supported by vbios is %d\n",
+ hwmgr->platform_descriptor.overdriveLimit.memoryClock);
+ }
return 0;
}
diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/vega12_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/vega12_hwmgr.c
index 9600e2f226e9..74bc37308dc0 100644
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/vega12_hwmgr.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/vega12_hwmgr.c
@@ -2356,6 +2356,13 @@ static int vega12_gfx_off_control(struct pp_hwmgr *hwmgr, bool enable)
return vega12_disable_gfx_off(hwmgr);
}
+static int vega12_get_performance_level(struct pp_hwmgr *hwmgr, const struct pp_hw_power_state *state,
+ PHM_PerformanceLevelDesignation designation, uint32_t index,
+ PHM_PerformanceLevel *level)
+{
+ return 0;
+}
+
static const struct pp_hwmgr_func vega12_hwmgr_funcs = {
.backend_init = vega12_hwmgr_backend_init,
.backend_fini = vega12_hwmgr_backend_fini,
@@ -2406,6 +2413,7 @@ static const struct pp_hwmgr_func vega12_hwmgr_funcs = {
.register_irq_handlers = smu9_register_irq_handlers,
.start_thermal_controller = vega12_start_thermal_controller,
.powergate_gfx = vega12_gfx_off_control,
+ .get_performance_level = vega12_get_performance_level,
};
int vega12_hwmgr_init(struct pp_hwmgr *hwmgr)
diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_hwmgr.c
index b4dbbb7c334c..57143d51e3ee 100644
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_hwmgr.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_hwmgr.c
@@ -1875,38 +1875,20 @@ static int vega20_get_gpu_power(struct pp_hwmgr *hwmgr,
return ret;
}
-static int vega20_get_current_gfx_clk_freq(struct pp_hwmgr *hwmgr, uint32_t *gfx_freq)
+static int vega20_get_current_clk_freq(struct pp_hwmgr *hwmgr,
+ PPCLK_e clk_id, uint32_t *clk_freq)
{
- uint32_t gfx_clk = 0;
int ret = 0;
- *gfx_freq = 0;
+ *clk_freq = 0;
PP_ASSERT_WITH_CODE((ret = smum_send_msg_to_smc_with_parameter(hwmgr,
- PPSMC_MSG_GetDpmClockFreq, (PPCLK_GFXCLK << 16))) == 0,
- "[GetCurrentGfxClkFreq] Attempt to get Current GFXCLK Frequency Failed!",
+ PPSMC_MSG_GetDpmClockFreq, (clk_id << 16))) == 0,
+ "[GetCurrentClkFreq] Attempt to get Current Frequency Failed!",
return ret);
- gfx_clk = smum_get_argument(hwmgr);
+ *clk_freq = smum_get_argument(hwmgr);
- *gfx_freq = gfx_clk * 100;
-
- return 0;
-}
-
-static int vega20_get_current_mclk_freq(struct pp_hwmgr *hwmgr, uint32_t *mclk_freq)
-{
- uint32_t mem_clk = 0;
- int ret = 0;
-
- *mclk_freq = 0;
-
- PP_ASSERT_WITH_CODE((ret = smum_send_msg_to_smc_with_parameter(hwmgr,
- PPSMC_MSG_GetDpmClockFreq, (PPCLK_UCLK << 16))) == 0,
- "[GetCurrentMClkFreq] Attempt to get Current MCLK Frequency Failed!",
- return ret);
- mem_clk = smum_get_argument(hwmgr);
-
- *mclk_freq = mem_clk * 100;
+ *clk_freq = *clk_freq * 100;
return 0;
}
@@ -1937,12 +1919,16 @@ static int vega20_read_sensor(struct pp_hwmgr *hwmgr, int idx,
switch (idx) {
case AMDGPU_PP_SENSOR_GFX_SCLK:
- ret = vega20_get_current_gfx_clk_freq(hwmgr, (uint32_t *)value);
+ ret = vega20_get_current_clk_freq(hwmgr,
+ PPCLK_GFXCLK,
+ (uint32_t *)value);
if (!ret)
*size = 4;
break;
case AMDGPU_PP_SENSOR_GFX_MCLK:
- ret = vega20_get_current_mclk_freq(hwmgr, (uint32_t *)value);
+ ret = vega20_get_current_clk_freq(hwmgr,
+ PPCLK_UCLK,
+ (uint32_t *)value);
if (!ret)
*size = 4;
break;
@@ -2012,7 +1998,6 @@ int vega20_display_clock_voltage_request(struct pp_hwmgr *hwmgr,
if (data->smu_features[GNLD_DPM_DCEFCLK].enabled) {
switch (clk_type) {
case amd_pp_dcef_clock:
- clk_freq = clock_req->clock_freq_in_khz / 100;
clk_select = PPCLK_DCEFCLK;
break;
case amd_pp_disp_clock:
@@ -2041,11 +2026,20 @@ int vega20_display_clock_voltage_request(struct pp_hwmgr *hwmgr,
return result;
}
+static int vega20_get_performance_level(struct pp_hwmgr *hwmgr, const struct pp_hw_power_state *state,
+ PHM_PerformanceLevelDesignation designation, uint32_t index,
+ PHM_PerformanceLevel *level)
+{
+ return 0;
+}
+
static int vega20_notify_smc_display_config_after_ps_adjustment(
struct pp_hwmgr *hwmgr)
{
struct vega20_hwmgr *data =
(struct vega20_hwmgr *)(hwmgr->backend);
+ struct vega20_single_dpm_table *dpm_table =
+ &data->dpm_table.mem_table;
struct PP_Clocks min_clocks = {0};
struct pp_display_clock_request clock_req;
int ret = 0;
@@ -2063,7 +2057,7 @@ static int vega20_notify_smc_display_config_after_ps_adjustment(
if (data->smu_features[GNLD_DPM_DCEFCLK].supported) {
clock_req.clock_type = amd_pp_dcef_clock;
- clock_req.clock_freq_in_khz = min_clocks.dcefClock;
+ clock_req.clock_freq_in_khz = min_clocks.dcefClock * 10;
if (!vega20_display_clock_voltage_request(hwmgr, &clock_req)) {
if (data->smu_features[GNLD_DS_DCEFCLK].supported)
PP_ASSERT_WITH_CODE((ret = smum_send_msg_to_smc_with_parameter(
@@ -2076,6 +2070,15 @@ static int vega20_notify_smc_display_config_after_ps_adjustment(
}
}
+ if (data->smu_features[GNLD_DPM_UCLK].enabled) {
+ dpm_table->dpm_state.hard_min_level = min_clocks.memoryClock / 100;
+ PP_ASSERT_WITH_CODE(!(ret = smum_send_msg_to_smc_with_parameter(hwmgr,
+ PPSMC_MSG_SetHardMinByFreq,
+ (PPCLK_UCLK << 16 ) | dpm_table->dpm_state.hard_min_level)),
+ "[SetHardMinFreq] Set hard min uclk failed!",
+ return ret);
+ }
+
return 0;
}
@@ -2353,7 +2356,7 @@ static int vega20_get_sclks(struct pp_hwmgr *hwmgr,
for (i = 0; i < count; i++) {
clocks->data[i].clocks_in_khz =
- dpm_table->dpm_levels[i].value * 100;
+ dpm_table->dpm_levels[i].value * 1000;
clocks->data[i].latency_in_us = 0;
}
@@ -2383,7 +2386,7 @@ static int vega20_get_memclocks(struct pp_hwmgr *hwmgr,
for (i = 0; i < count; i++) {
clocks->data[i].clocks_in_khz =
data->mclk_latency_table.entries[i].frequency =
- dpm_table->dpm_levels[i].value * 100;
+ dpm_table->dpm_levels[i].value * 1000;
clocks->data[i].latency_in_us =
data->mclk_latency_table.entries[i].latency =
vega20_get_mem_latency(hwmgr, dpm_table->dpm_levels[i].value);
@@ -2408,7 +2411,7 @@ static int vega20_get_dcefclocks(struct pp_hwmgr *hwmgr,
for (i = 0; i < count; i++) {
clocks->data[i].clocks_in_khz =
- dpm_table->dpm_levels[i].value * 100;
+ dpm_table->dpm_levels[i].value * 1000;
clocks->data[i].latency_in_us = 0;
}
@@ -2431,7 +2434,7 @@ static int vega20_get_socclocks(struct pp_hwmgr *hwmgr,
for (i = 0; i < count; i++) {
clocks->data[i].clocks_in_khz =
- dpm_table->dpm_levels[i].value * 100;
+ dpm_table->dpm_levels[i].value * 1000;
clocks->data[i].latency_in_us = 0;
}
@@ -2582,11 +2585,11 @@ static int vega20_odn_edit_dpm_table(struct pp_hwmgr *hwmgr,
return -EINVAL;
}
- if (input_clk < clocks.data[0].clocks_in_khz / 100 ||
+ if (input_clk < clocks.data[0].clocks_in_khz / 1000 ||
input_clk > od8_settings[OD8_SETTING_UCLK_FMAX].max_value) {
pr_info("clock freq %d is not within allowed range [%d - %d]\n",
input_clk,
- clocks.data[0].clocks_in_khz / 100,
+ clocks.data[0].clocks_in_khz / 1000,
od8_settings[OD8_SETTING_UCLK_FMAX].max_value);
return -EINVAL;
}
@@ -2726,7 +2729,7 @@ static int vega20_print_clock_levels(struct pp_hwmgr *hwmgr,
switch (type) {
case PP_SCLK:
- ret = vega20_get_current_gfx_clk_freq(hwmgr, &now);
+ ret = vega20_get_current_clk_freq(hwmgr, PPCLK_GFXCLK, &now);
PP_ASSERT_WITH_CODE(!ret,
"Attempt to get current gfx clk Failed!",
return ret);
@@ -2738,12 +2741,12 @@ static int vega20_print_clock_levels(struct pp_hwmgr *hwmgr,
for (i = 0; i < clocks.num_levels; i++)
size += sprintf(buf + size, "%d: %uMhz %s\n",
- i, clocks.data[i].clocks_in_khz / 100,
+ i, clocks.data[i].clocks_in_khz / 1000,
(clocks.data[i].clocks_in_khz == now) ? "*" : "");
break;
case PP_MCLK:
- ret = vega20_get_current_mclk_freq(hwmgr, &now);
+ ret = vega20_get_current_clk_freq(hwmgr, PPCLK_UCLK, &now);
PP_ASSERT_WITH_CODE(!ret,
"Attempt to get current mclk freq Failed!",
return ret);
@@ -2755,7 +2758,7 @@ static int vega20_print_clock_levels(struct pp_hwmgr *hwmgr,
for (i = 0; i < clocks.num_levels; i++)
size += sprintf(buf + size, "%d: %uMhz %s\n",
- i, clocks.data[i].clocks_in_khz / 100,
+ i, clocks.data[i].clocks_in_khz / 1000,
(clocks.data[i].clocks_in_khz == now) ? "*" : "");
break;
@@ -2820,7 +2823,7 @@ static int vega20_print_clock_levels(struct pp_hwmgr *hwmgr,
return ret);
size += sprintf(buf + size, "MCLK: %7uMhz %10uMhz\n",
- clocks.data[0].clocks_in_khz / 100,
+ clocks.data[0].clocks_in_khz / 1000,
od8_settings[OD8_SETTING_UCLK_FMAX].max_value);
}
@@ -3476,6 +3479,8 @@ static const struct pp_hwmgr_func vega20_hwmgr_funcs = {
vega20_set_watermarks_for_clocks_ranges,
.display_clock_voltage_request =
vega20_display_clock_voltage_request,
+ .get_performance_level =
+ vega20_get_performance_level,
/* UMD pstate, profile related */
.force_dpm_level =
vega20_dpm_force_dpm_level,
diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_processpptables.c b/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_processpptables.c
index e5f7f8230065..97f8a1a970c3 100644
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_processpptables.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_processpptables.c
@@ -642,8 +642,14 @@ static int check_powerplay_tables(
"Unsupported PPTable format!", return -1);
PP_ASSERT_WITH_CODE(powerplay_table->sHeader.structuresize > 0,
"Invalid PowerPlay Table!", return -1);
- PP_ASSERT_WITH_CODE(powerplay_table->smcPPTable.Version == PPTABLE_V20_SMU_VERSION,
- "Unmatch PPTable version, vbios update may be needed!", return -1);
+
+ if (powerplay_table->smcPPTable.Version != PPTABLE_V20_SMU_VERSION) {
+ pr_info("Unmatch PPTable version: "
+ "pptable from VBIOS is V%d while driver supported is V%d!",
+ powerplay_table->smcPPTable.Version,
+ PPTABLE_V20_SMU_VERSION);
+ return -EINVAL;
+ }
//dump_pptable(&powerplay_table->smcPPTable);
@@ -716,10 +722,6 @@ static int append_vbios_pptable(struct pp_hwmgr *hwmgr, PPTable_t *ppsmc_pptable
"[appendVbiosPPTable] Failed to retrieve Smc Dpm Table from VBIOS!",
return -1);
- memset(ppsmc_pptable->Padding32,
- 0,
- sizeof(struct atom_smc_dpm_info_v4_4) -
- sizeof(struct atom_common_table_header));
ppsmc_pptable->MaxVoltageStepGfx = smc_dpm_table->maxvoltagestepgfx;
ppsmc_pptable->MaxVoltageStepSoc = smc_dpm_table->maxvoltagestepsoc;
@@ -778,22 +780,19 @@ static int append_vbios_pptable(struct pp_hwmgr *hwmgr, PPTable_t *ppsmc_pptable
ppsmc_pptable->FllGfxclkSpreadPercent = smc_dpm_table->fllgfxclkspreadpercent;
ppsmc_pptable->FllGfxclkSpreadFreq = smc_dpm_table->fllgfxclkspreadfreq;
- if ((smc_dpm_table->table_header.format_revision == 4) &&
- (smc_dpm_table->table_header.content_revision == 4)) {
- for (i = 0; i < I2C_CONTROLLER_NAME_COUNT; i++) {
- ppsmc_pptable->I2cControllers[i].Enabled =
- smc_dpm_table->i2ccontrollers[i].enabled;
- ppsmc_pptable->I2cControllers[i].SlaveAddress =
- smc_dpm_table->i2ccontrollers[i].slaveaddress;
- ppsmc_pptable->I2cControllers[i].ControllerPort =
- smc_dpm_table->i2ccontrollers[i].controllerport;
- ppsmc_pptable->I2cControllers[i].ThermalThrottler =
- smc_dpm_table->i2ccontrollers[i].thermalthrottler;
- ppsmc_pptable->I2cControllers[i].I2cProtocol =
- smc_dpm_table->i2ccontrollers[i].i2cprotocol;
- ppsmc_pptable->I2cControllers[i].I2cSpeed =
- smc_dpm_table->i2ccontrollers[i].i2cspeed;
- }
+ for (i = 0; i < I2C_CONTROLLER_NAME_COUNT; i++) {
+ ppsmc_pptable->I2cControllers[i].Enabled =
+ smc_dpm_table->i2ccontrollers[i].enabled;
+ ppsmc_pptable->I2cControllers[i].SlaveAddress =
+ smc_dpm_table->i2ccontrollers[i].slaveaddress;
+ ppsmc_pptable->I2cControllers[i].ControllerPort =
+ smc_dpm_table->i2ccontrollers[i].controllerport;
+ ppsmc_pptable->I2cControllers[i].ThermalThrottler =
+ smc_dpm_table->i2ccontrollers[i].thermalthrottler;
+ ppsmc_pptable->I2cControllers[i].I2cProtocol =
+ smc_dpm_table->i2ccontrollers[i].i2cprotocol;
+ ppsmc_pptable->I2cControllers[i].I2cSpeed =
+ smc_dpm_table->i2ccontrollers[i].i2cspeed;
}
return 0;
@@ -882,15 +881,10 @@ static int init_powerplay_table_information(
if (pptable_information->smc_pptable == NULL)
return -ENOMEM;
- if (powerplay_table->smcPPTable.Version <= 2)
- memcpy(pptable_information->smc_pptable,
- &(powerplay_table->smcPPTable),
- sizeof(PPTable_t) -
- sizeof(I2cControllerConfig_t) * I2C_CONTROLLER_NAME_COUNT);
- else
- memcpy(pptable_information->smc_pptable,
- &(powerplay_table->smcPPTable),
- sizeof(PPTable_t));
+ memcpy(pptable_information->smc_pptable,
+ &(powerplay_table->smcPPTable),
+ sizeof(PPTable_t));
+
result = append_vbios_pptable(hwmgr, (pptable_information->smc_pptable));
diff --git a/drivers/gpu/drm/amd/powerplay/inc/smu11_driver_if.h b/drivers/gpu/drm/amd/powerplay/inc/smu11_driver_if.h
index 2998a49960ed..63d5cf691549 100644
--- a/drivers/gpu/drm/amd/powerplay/inc/smu11_driver_if.h
+++ b/drivers/gpu/drm/amd/powerplay/inc/smu11_driver_if.h
@@ -29,7 +29,7 @@
// any structure is changed in this file
#define SMU11_DRIVER_IF_VERSION 0x12
-#define PPTABLE_V20_SMU_VERSION 2
+#define PPTABLE_V20_SMU_VERSION 3
#define NUM_GFXCLK_DPM_LEVELS 16
#define NUM_VCLK_DPM_LEVELS 8
diff --git a/drivers/gpu/drm/amd/powerplay/smumgr/smu8_smumgr.c b/drivers/gpu/drm/amd/powerplay/smumgr/smu8_smumgr.c
index f836d30fdd44..09b844ec3eab 100644
--- a/drivers/gpu/drm/amd/powerplay/smumgr/smu8_smumgr.c
+++ b/drivers/gpu/drm/amd/powerplay/smumgr/smu8_smumgr.c
@@ -71,7 +71,11 @@ static int smu8_send_msg_to_smc_async(struct pp_hwmgr *hwmgr, uint16_t msg)
result = PHM_WAIT_FIELD_UNEQUAL(hwmgr,
SMU_MP1_SRBM2P_RESP_0, CONTENT, 0);
if (result != 0) {
+ /* Read the last message to SMU, to report actual cause */
+ uint32_t val = cgs_read_register(hwmgr->device,
+ mmSMU_MP1_SRBM2P_MSG_0);
pr_err("smu8_send_msg_to_smc_async (0x%04x) failed\n", msg);
+ pr_err("SMU still servicing msg (0x%04x)\n", val);
return result;
}