From 4a6369e9935e392402d4ccb67f5cddac953e8d3c Mon Sep 17 00:00:00 2001 From: Alex Deucher Date: Fri, 12 Apr 2013 14:04:10 -0400 Subject: drm/radeon/kms: add dpm support for rv6xx (v3) MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit This adds dpm support for rv6xx asics. This includes: - clockgating - dynamic engine clock scaling - dynamic memory clock scaling - dynamic voltage scaling - dynamic pcie gen1/gen2 switching Set radeon.dpm=1 to enable. v2: remove duplicate line v3: fix thermal interrupt check noticed by Jerome Signed-off-by: Alex Deucher Reviewed-by: Christian König --- drivers/gpu/drm/radeon/rs780_dpm.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) (limited to 'drivers/gpu/drm/radeon/rs780_dpm.c') diff --git a/drivers/gpu/drm/radeon/rs780_dpm.c b/drivers/gpu/drm/radeon/rs780_dpm.c index f594900160a0..a1497a6315d6 100644 --- a/drivers/gpu/drm/radeon/rs780_dpm.c +++ b/drivers/gpu/drm/radeon/rs780_dpm.c @@ -560,6 +560,12 @@ int rs780_dpm_enable(struct radeon_device *rdev) if (pi->gfx_clock_gating) r600_gfx_clockgating_enable(rdev, true); + if (rdev->irq.installed && (rdev->pm.int_thermal_type == THERMAL_TYPE_RV6XX)) { + r600_set_thermal_temperature_range(rdev, R600_TEMP_RANGE_MIN, R600_TEMP_RANGE_MAX); + rdev->irq.dpm_thermal = true; + radeon_irq_set(rdev); + } + return 0; } @@ -574,6 +580,12 @@ void rs780_dpm_disable(struct radeon_device *rdev) if (pi->gfx_clock_gating) r600_gfx_clockgating_enable(rdev, false); + + if (rdev->irq.installed && + (rdev->pm.int_thermal_type == THERMAL_TYPE_RV6XX)) { + rdev->irq.dpm_thermal = false; + radeon_irq_set(rdev); + } } int rs780_dpm_set_power_state(struct radeon_device *rdev) -- cgit v1.2.3