From fa2f9befbbbe239bbc6aa1dc6284841a8bd15d49 Mon Sep 17 00:00:00 2001 From: Samuel Li Date: Thu, 8 Oct 2015 16:29:06 -0400 Subject: [PATCH] drm/amdgpu: add DCE support for Stoney Stoney is DCE 11.x. Signed-off-by: Samuel Li Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/dce_v11_0.c | 19 ++++++++++++++++++- 1 file changed, 18 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 bdafeb282a59..444d930b3317 100644 --- a/drivers/gpu/drm/amd/amdgpu/dce_v11_0.c +++ b/drivers/gpu/drm/amd/amdgpu/dce_v11_0.c @@ -126,6 +126,13 @@ static const u32 cz_mgcg_cgcg_init[] = mmXDMA_MEM_POWER_CNTL, 0x00000101, 0x00000000, }; +static const u32 stoney_golden_settings_a11[] = +{ + mmCRTC_DOUBLE_BUFFER_CONTROL, 0x00010101, 0x00010000, + mmFBC_MISC, 0x1f311fff, 0x14302000, +}; + + static void dce_v11_0_init_golden_registers(struct amdgpu_device *adev) { switch (adev->asic_type) { @@ -137,6 +144,11 @@ static void dce_v11_0_init_golden_registers(struct amdgpu_device *adev) cz_golden_settings_a11, (const u32)ARRAY_SIZE(cz_golden_settings_a11)); break; + case CHIP_STONEY: + amdgpu_program_register_sequence(adev, + stoney_golden_settings_a11, + (const u32)ARRAY_SIZE(stoney_golden_settings_a11)); + break; default: break; } @@ -2425,7 +2437,7 @@ static u32 dce_v11_0_pick_pll(struct drm_crtc *crtc) /* XXX need to determine what plls are available on each DCE11 part */ pll_in_use = amdgpu_pll_get_use_mask(crtc); - if (adev->asic_type == CHIP_CARRIZO) { + if (adev->asic_type == CHIP_CARRIZO || adev->asic_type == CHIP_STONEY) { if (!(pll_in_use & (1 << ATOM_PPLL1))) return ATOM_PPLL1; if (!(pll_in_use & (1 << ATOM_PPLL0))) @@ -2930,6 +2942,11 @@ static int dce_v11_0_early_init(void *handle) adev->mode_info.num_hpd = 6; adev->mode_info.num_dig = 9; break; + case CHIP_STONEY: + adev->mode_info.num_crtc = 2; + adev->mode_info.num_hpd = 6; + adev->mode_info.num_dig = 9; + break; default: /* FIXME: not supported yet */ return -EINVAL; -- 2.20.1