leandrof/linux
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

drm/amd/powerplay: add funciton force_dpm_limit for navi10

Browse Source 
add callback function force_dpm_limit for navi10 asic

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 2019-04-23 10:53:51 +08:00 committed by Alex Deucher
parent 0a6430da0c
commit 50add63bbf
1 changed files with 29 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

29
drivers/gpu/drm/amd/powerplay/navi10_ppt.c
View File

@ -695,6 +695,34 @@ static int navi10_display_config_changed(struct smu_context *smu)
return ret;
}
static int navi10_force_dpm_limit_value(struct smu_context *smu, bool highest)
{
int ret = 0, i = 0;
uint32_t min_freq, max_freq, force_freq;
enum smu_clk_type clk_type;
enum smu_clk_type clks[] = {
SMU_GFXCLK,
SMU_MCLK,
SMU_SOCCLK,
};
for (i = 0; i < ARRAY_SIZE(clks); i++) {
clk_type = clks[i];
ret = smu_get_dpm_freq_range(smu, clk_type, &min_freq, &max_freq);
if (ret)
return ret;
force_freq = highest ? max_freq : min_freq;
ret = smu_set_soft_freq_range(smu, clk_type, force_freq, force_freq);
if (ret)
return ret;
}
return ret;
}
static const struct pptable_funcs navi10_ppt_funcs = {
.tables_init = navi10_tables_init,
.alloc_dpm_context = navi10_allocate_dpm_context,
@ -716,6 +744,7 @@ static const struct pptable_funcs navi10_ppt_funcs = {
.get_clock_by_type_with_latency = navi10_get_clock_by_type_with_latency,
.pre_display_config_changed = navi10_pre_display_config_changed,
.display_config_changed = navi10_display_config_changed,
.force_dpm_limit_value = navi10_force_dpm_limit_value,
};
void navi10_set_ppt_funcs(struct smu_context *smu)