diff options
| author | Alex Deucher <alexander.deucher@amd.com> | 2016-09-28 13:50:27 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2016-10-25 14:38:09 -0400 |
| commit | 03ae23b93bcbeebd7bd15e5afd3cddaf537d3f5c (patch) | |
| tree | 4581f9b2f6de0c89b1de38f1b0f8bd936ad4671d /drivers/gpu/drm | |
| parent | 6753ac2bf4c794d33f3232f84de790d4a0c3309d (diff) | |
| download | linux-03ae23b93bcbeebd7bd15e5afd3cddaf537d3f5c.tar.bz2 | |
drm/amdgpu/dce8: RMW hpd registers
No need to hard code the entire register to just
set/clear one bit.
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/dce_v8_0.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/dce_v8_0.c b/drivers/gpu/drm/amd/amdgpu/dce_v8_0.c index d0034e4645b9..0245ed605107 100644 --- a/drivers/gpu/drm/amd/amdgpu/dce_v8_0.c +++ b/drivers/gpu/drm/amd/amdgpu/dce_v8_0.c @@ -326,9 +326,7 @@ static void dce_v8_0_hpd_init(struct amdgpu_device *adev) { struct drm_device *dev = adev->ddev; struct drm_connector *connector; - u32 tmp = (0x9c4 << DC_HPD1_CONTROL__DC_HPD1_CONNECTION_TIMER__SHIFT) | - (0xfa << DC_HPD1_CONTROL__DC_HPD1_RX_INT_TIMER__SHIFT) | - DC_HPD1_CONTROL__DC_HPD1_EN_MASK; + u32 tmp; list_for_each_entry(connector, &dev->mode_config.connector_list, head) { struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector); @@ -336,6 +334,8 @@ static void dce_v8_0_hpd_init(struct amdgpu_device *adev) if (amdgpu_connector->hpd.hpd >= adev->mode_info.num_hpd) continue; + tmp = RREG32(mmDC_HPD1_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd]); + tmp |= DC_HPD1_CONTROL__DC_HPD1_EN_MASK; WREG32(mmDC_HPD1_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd], tmp); if (connector->connector_type == DRM_MODE_CONNECTOR_eDP || @@ -368,6 +368,7 @@ static void dce_v8_0_hpd_fini(struct amdgpu_device *adev) { struct drm_device *dev = adev->ddev; struct drm_connector *connector; + u32 tmp; list_for_each_entry(connector, &dev->mode_config.connector_list, head) { struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector); @@ -375,6 +376,8 @@ static void dce_v8_0_hpd_fini(struct amdgpu_device *adev) if (amdgpu_connector->hpd.hpd >= adev->mode_info.num_hpd) continue; + tmp = RREG32(mmDC_HPD1_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd]); + tmp &= ~DC_HPD1_CONTROL__DC_HPD1_EN_MASK; WREG32(mmDC_HPD1_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd], 0); amdgpu_irq_put(adev, &adev->hpd_irq, amdgpu_connector->hpd.hpd); |