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drm/amdgpu: Support DRM_MODE_PAGE_FLIP_ASYNC (v2)

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When this flag is set, we program the hardware to execute the flip
during horizontal blank (i.e. for the next scanline) instead of during
vertical blank (i.e. for the next frame).

Ported from radeon commit:
drm/radeon: Support DRM_MODE_PAGE_FLIP_ASYNC

v2: drop DAL change for upstream

Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alex Deucher
2016-05-05 16:03:57 -04:00
parent a71dd89759
commit cb9e59d7e9
6 changed files with 52 additions and 27 deletions
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3
drivers/gpu/drm/amd/amdgpu/amdgpu.h
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@@ -727,6 +727,7 @@ struct amdgpu_flip_work {
unsigned shared_count;
struct fence **shared;
struct fence_cb cb;
bool async;
};
@@ -2243,7 +2244,7 @@ amdgpu_get_sdma_instance(struct amdgpu_ring *ring)
#define amdgpu_display_hpd_set_polarity(adev, h) (adev)->mode_info.funcs->hpd_set_polarity((adev), (h))
#define amdgpu_display_hpd_get_gpio_reg(adev) (adev)->mode_info.funcs->hpd_get_gpio_reg((adev))
#define amdgpu_display_bandwidth_update(adev) (adev)->mode_info.funcs->bandwidth_update((adev))
#define amdgpu_display_page_flip(adev, crtc, base) (adev)->mode_info.funcs->page_flip((adev), (crtc), (base))
#define amdgpu_display_page_flip(adev, crtc, base, async) (adev)->mode_info.funcs->page_flip((adev), (crtc), (base), (async))
#define amdgpu_display_page_flip_get_scanoutpos(adev, crtc, vbl, pos) (adev)->mode_info.funcs->page_flip_get_scanoutpos((adev), (crtc), (vbl), (pos))
#define amdgpu_display_add_encoder(adev, e, s, c) (adev)->mode_info.funcs->add_encoder((adev), (e), (s), (c))
#define amdgpu_display_add_connector(adev, ci, sd, ct, ib, coi, h, r) (adev)->mode_info.funcs->add_connector((adev), (ci), (sd), (ct), (ib), (coi), (h), (r))