From 3859d5619f1fb0cbe5107aacf0e0ddedde8262f1 Mon Sep 17 00:00:00 2001 From: Rex Zhu Date: Wed, 13 Jun 2018 19:30:40 +0800 Subject: [PATCH 4812/5725] drm/amdgpu: Split set_pg_state into separate function 1. add amdgpu_device_ip_late_set_pg_state function for set pg state. 2. delete duplicate pg state setting on gfx_v8_0's late_init. Reviewed-by: Evan Quan Signed-off-by: Rex Zhu Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 33 +++++++++++++++++++++++++----- drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c | 4 ---- 2 files changed, 28 insertions(+), 9 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c index 5a815cf..41cff36 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c @@ -1780,12 +1780,34 @@ static int amdgpu_device_ip_late_set_cg_state(struct amdgpu_device *adev) } } - if (adev->powerplay.pp_feature & PP_GFXOFF_MASK) - /* enable gfx powergating */ - amdgpu_device_ip_set_powergating_state(adev, - AMD_IP_BLOCK_TYPE_GFX, - AMD_PG_STATE_GATE); + return 0; +} + +static int amdgpu_device_ip_late_set_pg_state(struct amdgpu_device *adev) +{ + int i = 0, r; + if (amdgpu_emu_mode == 1) + return 0; + + for (i = 0; i < adev->num_ip_blocks; i++) { + if (!adev->ip_blocks[i].status.valid) + continue; + /* skip CG for VCE/UVD, it's handled specially */ + if (adev->ip_blocks[i].version->type != AMD_IP_BLOCK_TYPE_UVD && + adev->ip_blocks[i].version->type != AMD_IP_BLOCK_TYPE_VCE && + adev->ip_blocks[i].version->type != AMD_IP_BLOCK_TYPE_VCN && + adev->ip_blocks[i].version->funcs->set_powergating_state) { + /* enable powergating to save power */ + r = adev->ip_blocks[i].version->funcs->set_powergating_state((void *)adev, + AMD_PG_STATE_GATE); + if (r) { + DRM_ERROR("set_powergating_state(gate) of IP block <%s> failed %d\n", + adev->ip_blocks[i].version->funcs->name, r); + return r; + } + } + } return 0; } @@ -1947,6 +1969,7 @@ static void amdgpu_device_ip_late_init_func_handler(struct work_struct *work) struct amdgpu_device *adev = container_of(work, struct amdgpu_device, late_init_work.work); amdgpu_device_ip_late_set_cg_state(adev); + amdgpu_device_ip_late_set_pg_state(adev); } /** diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c index f9c7247d..92bda71 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c @@ -5595,10 +5595,6 @@ static int gfx_v8_0_late_init(void *handle) return r; } - amdgpu_device_ip_set_powergating_state(adev, - AMD_IP_BLOCK_TYPE_GFX, - AMD_PG_STATE_GATE); - return 0; } -- 2.7.4