diff options
| author | Mario Kleiner <mario.kleiner.de@gmail.com> | 2017-04-24 01:02:46 +0200 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2017-04-28 17:33:03 -0400 |
| commit | effaf848b957fbf72a3b6a1ad87f5e031eda0b75 (patch) | |
| tree | 8d9d3b24296f6a05324c3d78e73c91c29714af35 /drivers/gpu/drm/amd/amdgpu/dce_v6_0.c | |
| parent | 2f2429c38eddbc4f988589099fd86bb6bb65b7e4 (diff) | |
drm/amdgpu: Add missing lb_vblank_lead_lines setup to DCE-6 path.
This apparently got lost when implementing the new DCE-6 support
and would cause failures in pageflip scheduling and timestamping.
Signed-off-by: Mario Kleiner <mario.kleiner.de@gmail.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/dce_v6_0.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/dce_v6_0.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/dce_v6_0.c b/drivers/gpu/drm/amd/amdgpu/dce_v6_0.c index 307269bda4fa..e146d252aa30 100644 --- a/drivers/gpu/drm/amd/amdgpu/dce_v6_0.c +++ b/drivers/gpu/drm/amd/amdgpu/dce_v6_0.c @@ -979,7 +979,7 @@ static void dce_v6_0_program_watermarks(struct amdgpu_device *adev, u32 priority_a_mark = 0, priority_b_mark = 0; u32 priority_a_cnt = PRIORITY_OFF; u32 priority_b_cnt = PRIORITY_OFF; - u32 tmp, arb_control3; + u32 tmp, arb_control3, lb_vblank_lead_lines = 0; fixed20_12 a, b, c; if (amdgpu_crtc->base.enabled && num_heads && mode) { @@ -1091,6 +1091,8 @@ static void dce_v6_0_program_watermarks(struct amdgpu_device *adev, c.full = dfixed_div(c, a); priority_b_mark = dfixed_trunc(c); priority_b_cnt |= priority_b_mark & PRIORITY_MARK_MASK; + + lb_vblank_lead_lines = DIV_ROUND_UP(lb_size, mode->crtc_hdisplay); } /* select wm A */ @@ -1120,6 +1122,9 @@ static void dce_v6_0_program_watermarks(struct amdgpu_device *adev, /* save values for DPM */ amdgpu_crtc->line_time = line_time; amdgpu_crtc->wm_high = latency_watermark_a; + + /* Save number of lines the linebuffer leads before the scanout */ + amdgpu_crtc->lb_vblank_lead_lines = lb_vblank_lead_lines; } /* watermark setup */ |