From a0cdef9e8234cd501d1ad1ea8517136087b3e60f Mon Sep 17 00:00:00 2001 From: Alex Deucher Date: Fri, 29 Apr 2016 11:44:32 -0400 Subject: [PATCH] drm/amdgpu/uvd6: add bypass support for fiji (v3) Handle uvd clock bypass settings as part of clockgating setup. v2: fix gate logic v3: fix header include Reviewed-by: Eric Huang Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) diff --git a/drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c b/drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c index 5665a4fd09ce..d015cb0c9eb5 100644 --- a/drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c +++ b/drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c @@ -31,6 +31,8 @@ #include "uvd/uvd_6_0_sh_mask.h" #include "oss/oss_2_0_d.h" #include "oss/oss_2_0_sh_mask.h" +#include "smu/smu_7_1_3_d.h" +#include "smu/smu_7_1_3_sh_mask.h" #include "vi.h" static void uvd_v6_0_set_ring_funcs(struct amdgpu_device *adev); @@ -823,6 +825,20 @@ static void uvd_v6_0_set_hw_clock_gating(struct amdgpu_device *adev) } #endif +static void uvd_v6_set_bypass_mode(struct amdgpu_device *adev, bool enable) +{ + u32 tmp = RREG32_SMC(ixGCK_DFS_BYPASS_CNTL); + + if (enable) + tmp |= (GCK_DFS_BYPASS_CNTL__BYPASSDCLK_MASK | + GCK_DFS_BYPASS_CNTL__BYPASSVCLK_MASK); + else + tmp &= ~(GCK_DFS_BYPASS_CNTL__BYPASSDCLK_MASK | + GCK_DFS_BYPASS_CNTL__BYPASSVCLK_MASK); + + WREG32_SMC(ixGCK_DFS_BYPASS_CNTL, tmp); +} + static int uvd_v6_0_set_clockgating_state(void *handle, enum amd_clockgating_state state) { @@ -830,6 +846,9 @@ static int uvd_v6_0_set_clockgating_state(void *handle, bool enable = (state == AMD_CG_STATE_GATE) ? true : false; static int curstate = -1; + if (adev->asic_type == CHIP_FIJI) + uvd_v6_set_bypass_mode(adev, enable); + if (!(adev->cg_flags & AMD_CG_SUPPORT_UVD_MGCG)) return 0; -- 2.30.2