diff options
| author | Alex Deucher <alexander.deucher@amd.com> | 2013-04-12 14:04:10 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2013-06-27 10:50:08 -0400 |
| commit | 4a6369e9935e392402d4ccb67f5cddac953e8d3c (patch) | |
| tree | c3c9b8585776d91f59bba876e99d56c32de0ad78 /drivers/gpu/drm/radeon/r600.c | |
| parent | 9d67006e6ebc6c5bc553d04b8c2dabea168e5e5b (diff) | |
| download | linux-4a6369e9935e392402d4ccb67f5cddac953e8d3c.tar.bz2 | |
drm/radeon/kms: add dpm support for rv6xx (v3)
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 <alexander.deucher@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Diffstat (limited to 'drivers/gpu/drm/radeon/r600.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/r600.c | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c index 4678ed102af6..ce5aa1febb80 100644 --- a/drivers/gpu/drm/radeon/r600.c +++ b/drivers/gpu/drm/radeon/r600.c @@ -3998,6 +3998,7 @@ int r600_irq_set(struct radeon_device *rdev) u32 hdmi0, hdmi1; u32 d1grph = 0, d2grph = 0; u32 dma_cntl; + u32 thermal_int = 0; if (!rdev->irq.installed) { WARN(1, "Can't enable IRQ/MSI because no handler is installed\n"); @@ -4032,8 +4033,18 @@ int r600_irq_set(struct radeon_device *rdev) hdmi0 = RREG32(HDMI0_AUDIO_PACKET_CONTROL) & ~HDMI0_AZ_FORMAT_WTRIG_MASK; hdmi1 = RREG32(HDMI1_AUDIO_PACKET_CONTROL) & ~HDMI0_AZ_FORMAT_WTRIG_MASK; } + dma_cntl = RREG32(DMA_CNTL) & ~TRAP_ENABLE; + if ((rdev->family > CHIP_R600) && (rdev->family < CHIP_RV770)) { + thermal_int = RREG32(CG_THERMAL_INT) & + ~(THERM_INT_MASK_HIGH | THERM_INT_MASK_LOW); + if (rdev->irq.dpm_thermal) { + DRM_DEBUG("dpm thermal\n"); + thermal_int |= THERM_INT_MASK_HIGH | THERM_INT_MASK_LOW; + } + } + if (atomic_read(&rdev->irq.ring_int[RADEON_RING_TYPE_GFX_INDEX])) { DRM_DEBUG("r600_irq_set: sw int\n"); cp_int_cntl |= RB_INT_ENABLE; @@ -4115,6 +4126,9 @@ int r600_irq_set(struct radeon_device *rdev) WREG32(HDMI0_AUDIO_PACKET_CONTROL, hdmi0); WREG32(HDMI1_AUDIO_PACKET_CONTROL, hdmi1); } + if ((rdev->family > CHIP_R600) && (rdev->family < CHIP_RV770)) { + WREG32(CG_THERMAL_INT, thermal_int); + } return 0; } @@ -4306,6 +4320,7 @@ int r600_irq_process(struct radeon_device *rdev) u32 ring_index; bool queue_hotplug = false; bool queue_hdmi = false; + bool queue_thermal = false; if (!rdev->ih.enabled || rdev->shutdown) return IRQ_NONE; @@ -4473,6 +4488,16 @@ restart_ih: DRM_DEBUG("IH: DMA trap\n"); radeon_fence_process(rdev, R600_RING_TYPE_DMA_INDEX); break; + case 230: /* thermal low to high */ + DRM_DEBUG("IH: thermal low to high\n"); + rdev->pm.dpm.thermal.high_to_low = false; + queue_thermal = true; + break; + case 231: /* thermal high to low */ + DRM_DEBUG("IH: thermal high to low\n"); + rdev->pm.dpm.thermal.high_to_low = true; + queue_thermal = true; + break; case 233: /* GUI IDLE */ DRM_DEBUG("IH: GUI idle\n"); break; @@ -4489,6 +4514,8 @@ restart_ih: schedule_work(&rdev->hotplug_work); if (queue_hdmi) schedule_work(&rdev->audio_work); + if (queue_thermal && rdev->pm.dpm_enabled) + schedule_work(&rdev->pm.dpm.thermal.work); rdev->ih.rptr = rptr; WREG32(IH_RB_RPTR, rdev->ih.rptr); atomic_set(&rdev->ih.lock, 0); |