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drm/amd/powrplay: add interface for dc to get max clock values 

dc (display component) needs maximum clock values of uclock,
socclk, dcefclk, to calculate display bandwidth.

Signed-off-by: hersen wu <hersenxs.wu@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Huang Rui <ray.huang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
hersen wu 2019-05-21 13:07:57 -04:00 committed by Alex Deucher
parent 6fbefb84a9
commit a18bf0ca41
2 changed files with 35 additions and 0 deletions
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4
drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h
View File

@ -25,6 +25,7 @@
#include "amdgpu.h"
#include "kgd_pp_interface.h"
#include "dm_pp_interface.h"
#include "dm_pp_smu.h"
#define SMU_THERMAL_MINIMUM_ALERT_TEMP 0
#define SMU_THERMAL_MAXIMUM_ALERT_TEMP 255
@ -678,6 +679,7 @@ struct smu_funcs
int (*gfx_off_control)(struct smu_context *smu, bool enable);
int (*register_irq_handler)(struct smu_context *smu);
int (*set_azalia_d3_pme)(struct smu_context *smu);
int (*get_max_sustainable_clocks_by_dc)(struct smu_context *smu, struct pp_smu_nv_clock_table *max_clocks);
};
#define smu_init_microcode(smu) \
@ -884,6 +886,8 @@ struct smu_funcs
((smu)->funcs->set_azalia_d3_pme ? (smu)->funcs->set_azalia_d3_pme((smu)) : 0)
#define smu_get_uclk_dpm_states(smu, clocks_in_khz, num_states) \
((smu)->ppt_funcs->get_uclk_dpm_states ? (smu)->ppt_funcs->get_uclk_dpm_states((smu), (clocks_in_khz), (num_states)) : 0)
#define smu_get_max_sustainable_clocks_by_dc(smu, max_clocks) \
((smu)->funcs->get_max_sustainable_clocks_by_dc ? (smu)->funcs->get_max_sustainable_clocks_by_dc((smu), (max_clocks)) : 0)
extern int smu_get_atom_data_table(struct smu_context *smu, uint32_t table,
uint16_t *size, uint8_t *frev, uint8_t *crev,

31
drivers/gpu/drm/amd/powerplay/smu_v11_0.c
View File

@ -1598,6 +1598,36 @@ static int smu_v11_0_register_irq_handler(struct smu_context *smu)
return ret;
}
static int smu_v11_0_get_max_sustainable_clocks_by_dc(struct smu_context *smu,
struct pp_smu_nv_clock_table *max_clocks)
{
struct smu_table_context *table_context = &smu->smu_table;
struct smu_11_0_max_sustainable_clocks *sustainable_clocks = NULL;
if (!max_clocks || !table_context->max_sustainable_clocks)
return -EINVAL;
sustainable_clocks = table_context->max_sustainable_clocks;
max_clocks->dcfClockInKhz =
(unsigned int) sustainable_clocks->dcef_clock * 1000;
max_clocks->displayClockInKhz =
(unsigned int) sustainable_clocks->display_clock * 1000;
max_clocks->phyClockInKhz =
(unsigned int) sustainable_clocks->phy_clock * 1000;
max_clocks->pixelClockInKhz =
(unsigned int) sustainable_clocks->pixel_clock * 1000;
max_clocks->uClockInKhz =
(unsigned int) sustainable_clocks->uclock * 1000;
max_clocks->socClockInKhz =
(unsigned int) sustainable_clocks->soc_clock * 1000;
max_clocks->dscClockInKhz = 0;
max_clocks->dppClockInKhz = 0;
max_clocks->fabricClockInKhz = 0;
return 0;
}
static int smu_v11_0_set_azalia_d3_pme(struct smu_context *smu)
{
int ret = 0;
@ -1656,6 +1686,7 @@ static const struct smu_funcs smu_v11_0_funcs = {
.gfx_off_control = smu_v11_0_gfx_off_control,
.register_irq_handler = smu_v11_0_register_irq_handler,
.set_azalia_d3_pme = smu_v11_0_set_azalia_d3_pme,
.get_max_sustainable_clocks_by_dc = smu_v11_0_get_max_sustainable_clocks_by_dc,
};
void smu_v11_0_set_smu_funcs(struct smu_context *smu)