diff options
Diffstat (limited to 'common/recipes-kernel/linux/files/0916-drm-amdgpu-add-ELM-BAF-support-to-dce_v11_0_pick_pll.patch')
| -rw-r--r-- | common/recipes-kernel/linux/files/0916-drm-amdgpu-add-ELM-BAF-support-to-dce_v11_0_pick_pll.patch | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/common/recipes-kernel/linux/files/0916-drm-amdgpu-add-ELM-BAF-support-to-dce_v11_0_pick_pll.patch b/common/recipes-kernel/linux/files/0916-drm-amdgpu-add-ELM-BAF-support-to-dce_v11_0_pick_pll.patch new file mode 100644 index 00000000..cff9b6c2 --- /dev/null +++ b/common/recipes-kernel/linux/files/0916-drm-amdgpu-add-ELM-BAF-support-to-dce_v11_0_pick_pll.patch @@ -0,0 +1,44 @@ +From 9355b7d47bafc14da1944d323db96cb5b32af968 Mon Sep 17 00:00:00 2001 +From: Alex Deucher <alexander.deucher@amd.com> +Date: Thu, 15 Oct 2015 15:21:09 -0400 +Subject: [PATCH 0916/1110] drm/amdgpu: add ELM/BAF support to + dce_v11_0_pick_pll +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +New PLL scheme on ELM/BAF. + +Reviewed-by: Christian König <christian.koenig@amd.com> +Signed-off-by: Alex Deucher <alexander.deucher@amd.com> +Reviewed-by: Jammy Zhou <Jammy.Zhou@amd.com> +--- + drivers/gpu/drm/amd/amdgpu/dce_v11_0.c | 12 ++++++++++++ + 1 file changed, 12 insertions(+) + +diff --git a/drivers/gpu/drm/amd/amdgpu/dce_v11_0.c b/drivers/gpu/drm/amd/amdgpu/dce_v11_0.c +index 53e338b..92a242a 100644 +--- a/drivers/gpu/drm/amd/amdgpu/dce_v11_0.c ++++ b/drivers/gpu/drm/amd/amdgpu/dce_v11_0.c +@@ -2384,6 +2384,18 @@ static u32 dce_v11_0_pick_pll(struct drm_crtc *crtc) + u32 pll_in_use; + int pll; + ++ if ((adev->asic_type == CHIP_ELLESMERE) || ++ (adev->asic_type == CHIP_BAFFIN)) { ++ if (ENCODER_MODE_IS_DP(amdgpu_atombios_encoder_get_encoder_mode(amdgpu_crtc->encoder))) ++ return ATOM_DP_DTO; ++ /* use the same PPLL for all monitors with the same clock */ ++ pll = amdgpu_pll_get_shared_nondp_ppll(crtc); ++ if (pll != ATOM_PPLL_INVALID) ++ return pll; ++ ++ return ATOM_COMBOPHY_PLL0 + amdgpu_crtc->crtc_id; ++ } ++ + if (ENCODER_MODE_IS_DP(amdgpu_atombios_encoder_get_encoder_mode(amdgpu_crtc->encoder))) { + if (adev->clock.dp_extclk) + /* skip PPLL programming if using ext clock */ +-- +2.7.4 + |