p71924506
/
linux_old1
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

drm/radeon/sumo: disable PG when changing UVD clocks 

Causes hangs for some people.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alex Deucher 2013-07-03 15:07:28 -04:00
parent 0124853eb1
commit 2b90eddcd7
1 changed files with 19 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

21
drivers/gpu/drm/radeon/sumo_dpm.c
View File

@ -811,6 +811,23 @@ static void sumo_program_bootup_state(struct radeon_device *rdev)
sumo_power_level_enable(rdev, i, false);
}
static void sumo_setup_uvd_clocks(struct radeon_device *rdev,
struct radeon_ps *new_rps,
struct radeon_ps *old_rps)
{
struct sumo_power_info *pi = sumo_get_pi(rdev);
if (pi->enable_gfx_power_gating) {
sumo_gfx_powergating_enable(rdev, false);
}
radeon_set_uvd_clocks(rdev, new_rps->vclk, new_rps->dclk);
if (pi->enable_gfx_power_gating) {
sumo_gfx_powergating_enable(rdev, true);
}
}
static void sumo_set_uvd_clock_before_set_eng_clock(struct radeon_device *rdev,
struct radeon_ps *new_rps,
struct radeon_ps *old_rps)
@ -826,7 +843,7 @@ static void sumo_set_uvd_clock_before_set_eng_clock(struct radeon_device *rdev,
current_ps->levels[current_ps->num_levels - 1].sclk)
return;
radeon_set_uvd_clocks(rdev, new_rps->vclk, new_rps->dclk);
sumo_setup_uvd_clocks(rdev, new_rps, old_rps);
}
static void sumo_set_uvd_clock_after_set_eng_clock(struct radeon_device *rdev,
@ -844,7 +861,7 @@ static void sumo_set_uvd_clock_after_set_eng_clock(struct radeon_device *rdev,
current_ps->levels[current_ps->num_levels - 1].sclk)
return;
radeon_set_uvd_clocks(rdev, new_rps->vclk, new_rps->dclk);
sumo_setup_uvd_clocks(rdev, new_rps, old_rps);
}
void sumo_take_smu_control(struct radeon_device *rdev, bool enable)