diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/dce_v8_0.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/dce_v8_0.c | 22 |
1 files changed, 18 insertions, 4 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/dce_v8_0.c b/drivers/gpu/drm/amd/amdgpu/dce_v8_0.c index 05bcce23385e..5a5fcc45e452 100644 --- a/drivers/gpu/drm/amd/amdgpu/dce_v8_0.c +++ b/drivers/gpu/drm/amd/amdgpu/dce_v8_0.c @@ -265,6 +265,21 @@ static void dce_v8_0_hpd_set_polarity(struct amdgpu_device *adev, WREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[hpd], tmp); } +static void dce_v8_0_hpd_int_ack(struct amdgpu_device *adev, + int hpd) +{ + u32 tmp; + + if (hpd >= adev->mode_info.num_hpd) { + DRM_DEBUG("invalid hdp %d\n", hpd); + return; + } + + tmp = RREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[hpd]); + tmp |= DC_HPD1_INT_CONTROL__DC_HPD1_INT_ACK_MASK; + WREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[hpd], tmp); +} + /** * dce_v8_0_hpd_init - hpd setup callback. * @@ -304,6 +319,7 @@ static void dce_v8_0_hpd_init(struct amdgpu_device *adev) continue; } + dce_v8_0_hpd_int_ack(adev, amdgpu_connector->hpd.hpd); dce_v8_0_hpd_set_polarity(adev, amdgpu_connector->hpd.hpd); amdgpu_irq_get(adev, &adev->hpd_irq, amdgpu_connector->hpd.hpd); } @@ -3177,7 +3193,7 @@ static int dce_v8_0_hpd_irq(struct amdgpu_device *adev, struct amdgpu_irq_src *source, struct amdgpu_iv_entry *entry) { - uint32_t disp_int, mask, tmp; + uint32_t disp_int, mask; unsigned hpd; if (entry->src_data[0] >= adev->mode_info.num_hpd) { @@ -3190,9 +3206,7 @@ static int dce_v8_0_hpd_irq(struct amdgpu_device *adev, mask = interrupt_status_offsets[hpd].hpd; if (disp_int & mask) { - tmp = RREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[hpd]); - tmp |= DC_HPD1_INT_CONTROL__DC_HPD1_INT_ACK_MASK; - WREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[hpd], tmp); + dce_v8_0_hpd_int_ack(adev, hpd); schedule_delayed_work(&adev->hotplug_work, 0); DRM_DEBUG("IH: HPD%d\n", hpd + 1); } |