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| author | Christian König <ckoenig.leichtzumerken@gmail.com> | 2022-05-09 09:47:12 +0200 |
|---|---|---|
| committer | Christian König <christian.koenig@amd.com> | 2022-05-11 09:21:40 +0200 |
| commit | 047de3f17a8321065c32ee3f6272a6dba16d6bcf (patch) | |
| tree | 6567b3fce49538b200e3d2d8095d69de3224593d /drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | |
| parent | e090532246fe17609b08ba0a862428867426dc95 (diff) | |
| download | lwn-047de3f17a8321065c32ee3f6272a6dba16d6bcf.tar.gz lwn-047de3f17a8321065c32ee3f6272a6dba16d6bcf.zip | |
drm/amdgpu: switch DM to atomic fence helpers v2
This gives us the standard atomic implicit and explicit fencing rules.
v2: move the wait to amdgpu_dm_atomic_commit_tail
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: Harry Wentland <harry.wentland@amd.com>
Cc: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Cc: Roman Li <Roman.Li@amd.com>
Cc: Qingqing Zhuo <qingqing.zhuo@amd.com>
Cc: Jude Shih <shenshih@amd.com>
Cc: Wayne Lin <Wayne.Lin@amd.com>
Cc: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220509074712.163899-1-christian.koenig@amd.com
Diffstat (limited to 'drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 23 |
1 files changed, 10 insertions, 13 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 a6880dd9c0bb..f9ce8cb45e6d 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c @@ -83,6 +83,7 @@ #include <drm/drm_edid.h> #include <drm/drm_vblank.h> #include <drm/drm_audio_component.h> +#include <drm/drm_gem_atomic_helper.h> #if defined(CONFIG_DRM_AMD_DC_DCN) #include "ivsrcid/dcn/irqsrcs_dcn_1_0.h" @@ -7627,6 +7628,10 @@ static int dm_plane_helper_prepare_fb(struct drm_plane *plane, goto error_unpin; } + r = drm_gem_plane_helper_prepare_fb(plane, new_state); + if (unlikely(r != 0)) + goto error_unpin; + amdgpu_bo_unreserve(rbo); afb->address = amdgpu_bo_gpu_offset(rbo); @@ -9160,7 +9165,6 @@ static void amdgpu_dm_commit_planes(struct drm_atomic_state *state, struct dm_crtc_state *dm_old_crtc_state = to_dm_crtc_state(drm_atomic_get_old_crtc_state(state, pcrtc)); int planes_count = 0, vpos, hpos; - long r; unsigned long flags; struct amdgpu_bo *abo; uint32_t target_vblank, last_flip_vblank; @@ -9235,18 +9239,6 @@ static void amdgpu_dm_commit_planes(struct drm_atomic_state *state, } abo = gem_to_amdgpu_bo(fb->obj[0]); - - /* - * Wait for all fences on this FB. Do limited wait to avoid - * deadlock during GPU reset when this fence will not signal - * but we hold reservation lock for the BO. - */ - r = dma_resv_wait_timeout(abo->tbo.base.resv, - DMA_RESV_USAGE_WRITE, false, - msecs_to_jiffies(5000)); - if (unlikely(r <= 0)) - DRM_ERROR("Waiting for fences timed out!"); - fill_dc_plane_info_and_addr( dm->adev, new_plane_state, afb->tiling_flags, @@ -9591,9 +9583,14 @@ static void amdgpu_dm_atomic_commit_tail(struct drm_atomic_state *state) struct dm_crtc_state *dm_old_crtc_state, *dm_new_crtc_state; int crtc_disable_count = 0; bool mode_set_reset_required = false; + int r; trace_amdgpu_dm_atomic_commit_tail_begin(state); + r = drm_atomic_helper_wait_for_fences(dev, state, false); + if (unlikely(r)) + DRM_ERROR("Waiting for fences timed out!"); + drm_atomic_helper_update_legacy_modeset_state(dev, state); dm_state = dm_atomic_get_new_state(state); |