diff options
| author | Roman Li | 2017-07-28 01:53:55 +0200 |
|---|---|---|
| committer | Alex Deucher | 2017-09-27 00:15:56 +0200 |
| commit | a32e24b486e80417e62d34f60d625783affff431 (patch) | |
| tree | db818a4fa4de160d226e347031294ed6287a93bb /drivers/gpu/drm | |
| parent | drm/amd/display: add preferred mode from Video Format Preference Data Block (diff) | |
| download | kernel-qcow2-linux-a32e24b486e80417e62d34f60d625783affff431.tar.gz kernel-qcow2-linux-a32e24b486e80417e62d34f60d625783affff431.tar.xz kernel-qcow2-linux-a32e24b486e80417e62d34f60d625783affff431.zip | |
drm/amd/display: Initial prototype of FBC implementation
- Protected by ENABLE_FBC compile flag
- DC part will follow
Signed-off-by: Roman Li <Roman.Li@amd.com>
Reviewed-by: Tony Cheng <Tony.Cheng@amd.com>
Acked-by: Harry Wentland <Harry.Wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm')
| -rw-r--r-- | drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 29 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h | 12 |
2 files changed, 41 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c index 02ca9d6225eb..dfb04c5776ad 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c @@ -297,6 +297,30 @@ static void hotplug_notify_work_func(struct work_struct *work) drm_kms_helper_hotplug_event(dev); } +#ifdef ENABLE_FBC +#include "dal_asic_id.h" +/* Allocate memory for FBC compressed data */ +/* TODO: Dynamic allocation */ +#define AMDGPU_FBC_SIZE (3840 * 2160 * 4) + +void amdgpu_dm_initialize_fbc(struct amdgpu_device *adev) +{ + int r; + struct dm_comressor_info *compressor = &adev->dm.compressor; + + if (!compressor->bo_ptr) { + r = amdgpu_bo_create_kernel(adev, AMDGPU_FBC_SIZE, PAGE_SIZE, + AMDGPU_GEM_DOMAIN_VRAM, &compressor->bo_ptr, + &compressor->gpu_addr, &compressor->cpu_addr); + + if (r) + DRM_ERROR("DM: Failed to initialize fbc\n"); + } + +} +#endif + + /* Init display KMS * * Returns 0 on success @@ -347,6 +371,11 @@ int amdgpu_dm_init(struct amdgpu_device *adev) init_data.dce_environment = DCE_ENV_PRODUCTION_DRV; +#ifdef ENABLE_FBC + if (adev->family == FAMILY_CZ) + amdgpu_dm_initialize_fbc(adev); + init_data.fbc_gpu_addr = adev->dm.compressor.gpu_addr; +#endif /* Display Core create. */ adev->dm.dc = dc_create(&init_data); diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h index 16b2e0849a65..ce0223af7d5f 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h @@ -72,6 +72,15 @@ struct irq_list_head { struct work_struct work; }; +#ifdef ENABLE_FBC +struct dm_comressor_info { + void *cpu_addr; + struct amdgpu_bo *bo_ptr; + uint64_t gpu_addr; +}; +#endif + + struct amdgpu_display_manager { struct dal *dal; struct dc *dc; @@ -133,6 +142,9 @@ struct amdgpu_display_manager { * Caches device atomic state for suspend/resume */ struct drm_atomic_state *cached_state; +#ifdef ENABLE_FBC + struct dm_comressor_info compressor; +#endif }; /* basic init/fini API */ |