[PATCH 11/52] drm/amdgpu/dce11: add dce clock setting for ELM/BAF
Alex Deucher
alexdeucher at gmail.com
Wed Mar 23 17:42:27 UTC 2016
Setup the disp clock and dp reference clock. This is
now a separate command table on elm/baf compared to
older asics.
Reviewed-by: Christian König <christian.koenig at amd.com>
Signed-off-by: Alex Deucher <alexander.deucher at amd.com>
Reviewed-by: Jammy Zhou <Jammy.Zhou at amd.com>
---
drivers/gpu/drm/amd/amdgpu/dce_v11_0.c | 10 +++++++++-
1 file changed, 9 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/dce_v11_0.c b/drivers/gpu/drm/amd/amdgpu/dce_v11_0.c
index 5217bdf..0d38c4c 100644
--- a/drivers/gpu/drm/amd/amdgpu/dce_v11_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/dce_v11_0.c
@@ -3063,7 +3063,15 @@ static int dce_v11_0_hw_init(void *handle)
/* init dig PHYs, disp eng pll */
amdgpu_atombios_crtc_powergate_init(adev);
amdgpu_atombios_encoder_init_dig(adev);
- amdgpu_atombios_crtc_set_disp_eng_pll(adev, adev->clock.default_dispclk);
+ if ((adev->asic_type == CHIP_ELLESMERE) ||
+ (adev->asic_type == CHIP_BAFFIN)) {
+ amdgpu_atombios_crtc_set_dce_clock(adev, adev->clock.default_dispclk,
+ DCE_CLOCK_TYPE_DISPCLK, ATOM_GCK_DFS);
+ amdgpu_atombios_crtc_set_dce_clock(adev, 0,
+ DCE_CLOCK_TYPE_DPREFCLK, ATOM_GCK_DFS);
+ } else {
+ amdgpu_atombios_crtc_set_disp_eng_pll(adev, adev->clock.default_dispclk);
+ }
/* initialize hpd */
dce_v11_0_hpd_init(adev);
--
2.5.0
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