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drm/amd/powerplay: add function get current clock freq interface for navi10

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add function of get_current_clk_freq_by_table for navi10.

Signed-off-by: Kevin Wang <kevin1.wang@amd.com>
Reviewed-by: Huang Rui <ray.huang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Kevin Wang 2019-04-17 14:58:28 +08:00 committed by Alex Deucher
parent bbd7a65350
commit 98e1a543c7
3 changed files with 33 additions and 0 deletions
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5
drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h
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@ -589,6 +589,9 @@ struct pptable_funcs {
uint32_t *value);
int (*set_watermarks_table)(struct smu_context *smu, void *watermarks,
struct dm_pp_wm_sets_with_clock_ranges_soc15 *clock_ranges);
int (*get_current_clk_freq_by_table)(struct smu_context *smu,
enum smu_clk_type clk_type,
uint32_t *value);
};
struct smu_funcs
@ -881,6 +884,8 @@ struct smu_funcs
((smu)->ppt_funcs->get_ppfeature_status ? (smu)->ppt_funcs->get_ppfeature_status((smu), (buf)) : -EINVAL)
#define smu_set_watermarks_table(smu, tab, clock_ranges) \
((smu)->ppt_funcs->set_watermarks_table ? (smu)->ppt_funcs->set_watermarks_table((smu), (tab), (clock_ranges)) : 0)
#define smu_get_current_clk_freq_by_table(smu, clk_type, value) \
((smu)->ppt_funcs->get_current_clk_freq_by_table ? (smu)->ppt_funcs->get_current_clk_freq_by_table((smu), (clk_type), (value)) : 0)
extern int smu_get_atom_data_table(struct smu_context *smu, uint32_t table,
uint16_t *size, uint8_t *frev, uint8_t *crev,

24
drivers/gpu/drm/amd/powerplay/navi10_ppt.c
View File

@ -500,6 +500,29 @@ static int navi10_dpm_set_uvd_enable(struct smu_context *smu, bool enable)
return 0;
}
static int navi10_get_current_clk_freq_by_table(struct smu_context *smu,
enum smu_clk_type clk_type,
uint32_t *value)
{
static SmuMetrics_t metrics = {0};
int ret = 0, clk_id = 0;
if (!value)
return -EINVAL;
ret = smu_update_table(smu, SMU_TABLE_SMU_METRICS, (void *)&metrics, false);
if (ret)
return ret;
clk_id = smu_clk_get_index(smu, clk_type);
if (clk_id < 0)
return clk_id;
*value = metrics.CurrClock[clk_id];
return ret;
}
static const struct pptable_funcs navi10_ppt_funcs = {
.tables_init = navi10_tables_init,
.alloc_dpm_context = navi10_allocate_dpm_context,
@ -514,6 +537,7 @@ static const struct pptable_funcs navi10_ppt_funcs = {
.get_allowed_feature_mask = navi10_get_allowed_feature_mask,
.set_default_dpm_table = navi10_set_default_dpm_table,
.dpm_set_uvd_enable = navi10_dpm_set_uvd_enable,
.get_current_clk_freq_by_table = navi10_get_current_clk_freq_by_table,
};
void navi10_set_ppt_funcs(struct smu_context *smu)

4
drivers/gpu/drm/amd/powerplay/smu_v11_0.c
View File

@ -1084,6 +1084,10 @@ static int smu_v11_0_get_current_clk_freq(struct smu_context *smu,
if (clk_id >= SMU_CLK_COUNT || !value)
return -EINVAL;
/* if don't has GetDpmClockFreq Message, try get current clock by SmuMetrics_t */
if (smu_msg_get_index(smu, SMU_MSG_GetDpmClockFreq) == 0)
return smu_get_current_clk_freq_by_table(smu, clk_id, value);
ret = smu_send_smc_msg_with_param(smu, SMU_MSG_GetDpmClockFreq,
(smu_clk_get_index(smu, clk_id) << 16));
if (ret)