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path: root/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c
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Diffstat (limited to 'drivers/gpu/drm/amd/powerplay/amdgpu_smu.c')
-rw-r--r--drivers/gpu/drm/amd/powerplay/amdgpu_smu.c82
1 files changed, 54 insertions, 28 deletions
diff --git a/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c b/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c
index c058c784180e..9c67adee2c9e 100644
--- a/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c
+++ b/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c
@@ -20,9 +20,9 @@
* OTHER DEALINGS IN THE SOFTWARE.
*/
-#include "pp_debug.h"
#include <linux/firmware.h>
-#include <drm/drmP.h>
+
+#include "pp_debug.h"
#include "amdgpu.h"
#include "amdgpu_smu.h"
#include "soc15_common.h"
@@ -30,6 +30,36 @@
#include "atom.h"
#include "amd_pcie.h"
+int smu_get_smc_version(struct smu_context *smu, uint32_t *if_version, uint32_t *smu_version)
+{
+ int ret = 0;
+
+ if (!if_version && !smu_version)
+ return -EINVAL;
+
+ if (if_version) {
+ ret = smu_send_smc_msg(smu, SMU_MSG_GetDriverIfVersion);
+ if (ret)
+ return ret;
+
+ ret = smu_read_smc_arg(smu, if_version);
+ if (ret)
+ return ret;
+ }
+
+ if (smu_version) {
+ ret = smu_send_smc_msg(smu, SMU_MSG_GetSmuVersion);
+ if (ret)
+ return ret;
+
+ ret = smu_read_smc_arg(smu, smu_version);
+ if (ret)
+ return ret;
+ }
+
+ return ret;
+}
+
int smu_dpm_set_power_gate(struct smu_context *smu, uint32_t block_type,
bool gate)
{
@@ -168,6 +198,8 @@ int smu_sys_set_pp_table(struct smu_context *smu, void *buf, size_t size)
ATOM_COMMON_TABLE_HEADER *header = (ATOM_COMMON_TABLE_HEADER *)buf;
int ret = 0;
+ if (!smu->pm_enabled)
+ return -EINVAL;
if (header->usStructureSize != size) {
pr_err("pp table size not matched !\n");
return -EIO;
@@ -203,6 +235,8 @@ int smu_feature_init_dpm(struct smu_context *smu)
int ret = 0;
uint32_t unallowed_feature_mask[SMU_FEATURE_MAX/32];
+ if (!smu->pm_enabled)
+ return ret;
mutex_lock(&feature->mutex);
bitmap_fill(feature->allowed, SMU_FEATURE_MAX);
mutex_unlock(&feature->mutex);
@@ -280,7 +314,7 @@ int smu_feature_set_supported(struct smu_context *smu, int feature_id,
WARN_ON(feature_id > feature->feature_num);
- mutex_unlock(&feature->mutex);
+ mutex_lock(&feature->mutex);
if (enable)
test_and_set_bit(feature_id, feature->supported);
else
@@ -314,6 +348,7 @@ static int smu_early_init(void *handle)
struct smu_context *smu = &adev->smu;
smu->adev = adev;
+ smu->pm_enabled = !!amdgpu_dpm;
mutex_init(&smu->mutex);
return smu_set_funcs(adev);
@@ -323,6 +358,9 @@ static int smu_late_init(void *handle)
{
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
struct smu_context *smu = &adev->smu;
+
+ if (!smu->pm_enabled)
+ return 0;
mutex_lock(&smu->mutex);
smu_handle_task(&adev->smu,
smu->smu_dpm.dpm_level,
@@ -406,9 +444,6 @@ static int smu_sw_init(void *handle)
struct smu_context *smu = &adev->smu;
int ret;
- if (!is_support_sw_smu(adev))
- return -EINVAL;
-
smu->pool_size = adev->pm.smu_prv_buffer_size;
smu->smu_feature.feature_num = SMU_FEATURE_MAX;
mutex_init(&smu->smu_feature.mutex);
@@ -460,9 +495,6 @@ static int smu_sw_fini(void *handle)
struct smu_context *smu = &adev->smu;
int ret;
- if (!is_support_sw_smu(adev))
- return -EINVAL;
-
ret = smu_smc_table_sw_fini(smu);
if (ret) {
pr_err("Failed to sw fini smc table!\n");
@@ -612,10 +644,6 @@ static int smu_smc_table_hw_init(struct smu_context *smu,
* check if the format_revision in vbios is up to pptable header
* version, and the structure size is not 0.
*/
- ret = smu_get_clk_info_from_vbios(smu);
- if (ret)
- return ret;
-
ret = smu_check_pptable(smu);
if (ret)
return ret;
@@ -716,6 +744,9 @@ static int smu_smc_table_hw_init(struct smu_context *smu,
*/
ret = smu_set_tool_table_location(smu);
+ if (!smu_is_dpm_running(smu))
+ pr_info("dpm has been disabled\n");
+
return ret;
}
@@ -788,9 +819,6 @@ static int smu_hw_init(void *handle)
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
struct smu_context *smu = &adev->smu;
- if (!is_support_sw_smu(adev))
- return -EINVAL;
-
if (adev->firmware.load_type != AMDGPU_FW_LOAD_PSP) {
ret = smu_load_microcode(smu);
if (ret)
@@ -831,7 +859,10 @@ static int smu_hw_init(void *handle)
mutex_unlock(&smu->mutex);
- adev->pm.dpm_enabled = true;
+ if (!smu->pm_enabled)
+ adev->pm.dpm_enabled = false;
+ else
+ adev->pm.dpm_enabled = true;
pr_info("SMU is initialized successfully!\n");
@@ -849,9 +880,6 @@ static int smu_hw_fini(void *handle)
struct smu_table_context *table_context = &smu->smu_table;
int ret = 0;
- if (!is_support_sw_smu(adev))
- return -EINVAL;
-
kfree(table_context->driver_pptable);
table_context->driver_pptable = NULL;
@@ -906,9 +934,6 @@ static int smu_suspend(void *handle)
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
struct smu_context *smu = &adev->smu;
- if (!is_support_sw_smu(adev))
- return -EINVAL;
-
ret = smu_system_features_control(smu, false);
if (ret)
return ret;
@@ -924,9 +949,6 @@ static int smu_resume(void *handle)
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
struct smu_context *smu = &adev->smu;
- if (!is_support_sw_smu(adev))
- return -EINVAL;
-
pr_info("SMU is resuming...\n");
mutex_lock(&smu->mutex);
@@ -955,7 +977,7 @@ int smu_display_configuration_change(struct smu_context *smu,
int index = 0;
int num_of_active_display = 0;
- if (!is_support_sw_smu(smu->adev))
+ if (!smu->pm_enabled || !is_support_sw_smu(smu->adev))
return -EINVAL;
if (!display_config)
@@ -1083,7 +1105,7 @@ static int smu_enable_umd_pstate(void *handle,
struct smu_context *smu = (struct smu_context*)(handle);
struct smu_dpm_context *smu_dpm_ctx = &(smu->smu_dpm);
- if (!smu_dpm_ctx->dpm_context)
+ if (!smu->pm_enabled || !smu_dpm_ctx->dpm_context)
return -EINVAL;
if (!(smu_dpm_ctx->dpm_level & profile_mode_mask)) {
@@ -1126,6 +1148,8 @@ int smu_adjust_power_state_dynamic(struct smu_context *smu,
long workload;
struct smu_dpm_context *smu_dpm_ctx = &(smu->smu_dpm);
+ if (!smu->pm_enabled)
+ return -EINVAL;
if (!skip_display_settings) {
ret = smu_display_config_changed(smu);
if (ret) {
@@ -1134,6 +1158,8 @@ int smu_adjust_power_state_dynamic(struct smu_context *smu,
}
}
+ if (!smu->pm_enabled)
+ return -EINVAL;
ret = smu_apply_clocks_adjust_rules(smu);
if (ret) {
pr_err("Failed to apply clocks adjust rules!");
generated by cgit v1.2.3-55-g7522 (git 2.39.0) at 2025-05-12 10:05:08 +0200