diff options
| author | Alex Deucher <alexander.deucher@amd.com> | 2016-09-28 14:21:55 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2016-10-25 14:38:11 -0400 |
| commit | 079ea1901b7186165d958ee54338c68883096d92 (patch) | |
| tree | 56b513682ee67ee7f920a7566d962ed49f583864 /drivers/gpu/drm | |
| parent | 34386043d90489898240a2211545f5c46c3b7c3b (diff) | |
| download | linux-079ea1901b7186165d958ee54338c68883096d92.tar.bz2 | |
drm/amdgpu/dce6: 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_v6_0.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/dce_v6_0.c b/drivers/gpu/drm/amd/amdgpu/dce_v6_0.c index 0bf262d7a31b..72ab20a757c8 100644 --- a/drivers/gpu/drm/amd/amdgpu/dce_v6_0.c +++ b/drivers/gpu/drm/amd/amdgpu/dce_v6_0.c @@ -304,8 +304,7 @@ static void dce_v6_0_hpd_init(struct amdgpu_device *adev) { struct drm_device *dev = adev->ddev; struct drm_connector *connector; - u32 tmp = DC_HPDx_CONNECTION_TIMER(0x9c4) | - DC_HPDx_RX_INT_TIMER(0xfa) | DC_HPDx_EN; + u32 tmp; list_for_each_entry(connector, &dev->mode_config.connector_list, head) { struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector); @@ -313,6 +312,8 @@ static void dce_v6_0_hpd_init(struct amdgpu_device *adev) if (amdgpu_connector->hpd.hpd >= adev->mode_info.num_hpd) continue; + tmp = RREG32(DC_HPD1_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd]); + tmp |= DC_HPDx_EN; WREG32(DC_HPD1_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd], tmp); if (connector->connector_type == DRM_MODE_CONNECTOR_eDP || @@ -346,6 +347,7 @@ static void dce_v6_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); @@ -353,6 +355,8 @@ static void dce_v6_0_hpd_fini(struct amdgpu_device *adev) if (amdgpu_connector->hpd.hpd >= adev->mode_info.num_hpd) continue; + tmp = RREG32(DC_HPD1_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd]); + tmp &= ~DC_HPDx_EN; WREG32(DC_HPD1_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd], 0); amdgpu_irq_put(adev, &adev->hpd_irq, amdgpu_connector->hpd.hpd); |