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drm/amd/powerplay: add interface to get clock by type with latency for display (v2)

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This patch adds get clock by type with latency, display will use it to get
current clocks with latency.

v2: fix the missed mutex lock before return.

Signed-off-by: Huang Rui <ray.huang@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Huang Rui
2019-01-14 11:55:45 +08:00
committed by Alex Deucher
parent 6ec826846e
commit e5e4e22391
3 changed files with 60 additions and 7 deletions
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19
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_pp_smu.c
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@@ -392,14 +392,21 @@ bool dm_pp_get_clock_levels_by_type_with_latency(
void *pp_handle = adev->powerplay.pp_handle;
struct pp_clock_levels_with_latency pp_clks = { 0 };
const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs;
int ret;
if (!pp_funcs || !pp_funcs->get_clock_by_type_with_latency)
return false;
if (pp_funcs && pp_funcs->get_clock_by_type_with_latency) {
ret = pp_funcs->get_clock_by_type_with_latency(pp_handle,
dc_to_pp_clock_type(clk_type),
&pp_clks);
if (ret)
return false;
} else if (adev->smu.ppt_funcs && adev->smu.ppt_funcs->get_clock_by_type_with_latency) {
if (smu_get_clock_by_type_with_latency(&adev->smu,
dc_to_pp_clock_type(clk_type),
&pp_clks))
return false;
}
if (pp_funcs->get_clock_by_type_with_latency(pp_handle,
dc_to_pp_clock_type(clk_type),
&pp_clks))
return false;
pp_to_dc_clock_levels_with_latency(&pp_clks, clk_level_info, clk_type);