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drm/radeon/dpm: fixup dynamic state adjust for sumo

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Use a dedicated copy of the current power state since
we may have to adjust it on the fly.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alex Deucher 2012-11-29 20:27:50 -05:00
parent 5ca302f701
commit 7cf36de9eb
4 changed files with 19 additions and 1 deletions
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1
drivers/gpu/drm/radeon/radeon.h
View File

@ -1289,6 +1289,7 @@ struct radeon_dpm {
struct radeon_ps *boot_ps;
/* default uvd power state */
struct radeon_ps *uvd_ps;
struct radeon_ps hw_ps;
enum radeon_pm_state_type state;
enum radeon_pm_state_type user_state;
u32 platform_caps;

13
drivers/gpu/drm/radeon/radeon_pm.c
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@ -684,6 +684,17 @@ restart_search:
return NULL;
}
static void radeon_dpm_update_requested_ps(struct radeon_device *rdev,
struct radeon_ps *ps)
{
/* copy the ps to the hw ps and point the requested ps
* at the hw state in case the driver wants to modify
* the state dynamically.
*/
rdev->pm.dpm.hw_ps = *ps;
rdev->pm.dpm.requested_ps = &rdev->pm.dpm.hw_ps;
}
static void radeon_dpm_change_power_state_locked(struct radeon_device *rdev)
{
int i;
@ -704,7 +715,7 @@ static void radeon_dpm_change_power_state_locked(struct radeon_device *rdev)
ps = radeon_dpm_pick_power_state(rdev, dpm_state);
if (ps)
rdev->pm.dpm.requested_ps = ps;
radeon_dpm_update_requested_ps(rdev, ps);
else
return;

5
drivers/gpu/drm/radeon/sumo_dpm.c
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@ -1072,6 +1072,11 @@ static void sumo_apply_state_adjust_rules(struct radeon_device *rdev)
u32 sclk_in_sr = pi->sys_info.min_sclk; /* ??? */
u32 i;
/* point to the hw copy since this function will modify the ps */
pi->hw_ps = *ps;
rdev->pm.dpm.hw_ps.ps_priv = &pi->hw_ps;
ps = &pi->hw_ps;
if (rps->class & ATOM_PPLIB_CLASSIFICATION_THERMAL)
return sumo_patch_thermal_state(rdev, ps, current_ps);

1
drivers/gpu/drm/radeon/sumo_dpm.h
View File

@ -129,6 +129,7 @@ struct sumo_power_info {
bool enable_dynamic_patch_ps;
bool enable_dpm;
bool enable_boost;
struct sumo_ps hw_ps;
};
#define SUMO_UTC_DFLT_00 0x48