<html> <head> <meta http-equiv="Content-Type" content="text/html; charset=us-ascii"> <style type="text/css" style="display:none;"></style> </head> <body dir="ltr"> <div id="divtagdefaultwrapper" style="font-size:12pt;color:#000000;font-family:Calibri,Helvetica,sans-serif;" dir="ltr"> Reviewed-by: Evan Quan <evan.quan@amd.com> </div> <hr style="display:inline-block;width:98%" tabindex="-1"> <div id="divRplyFwdMsg" dir="ltr">From: amd-gfx <amd-gfx-bounces@lists.freedesktop.org> on behalf of Rex Zhu <rex.zhu@amd.com> Sent: Sunday, July 29, 2018 7:35:50 PM To: amd-gfx@lists.freedesktop.org Cc: Zhu, Rex Subject: [PATCH 4/4] drm/amdgpu: Disable gfx off if VCN is busy <div> </div> </div> <div class="BodyFragment"> <div class="PlainText">this patch is a workaround for the gpu hang at video end time if play video with gfx off enabled. Signed-off-by: Rex Zhu <Rex.Zhu@amd.com> --- drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c index 798648a..d68039f 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c @@ -214,6 +214,7 @@ static void amdgpu_vcn_idle_work_handler(struct work_struct *work) fences += amdgpu_fence_count_emitted(&adev->vcn.ring_jpeg); if (fences == 0) { + amdgpu_gfx_off_ctrl(adev, AMD_IP_BLOCK_TYPE_VCN, true); if (adev->pm.dpm_enabled) amdgpu_dpm_enable_uvd(adev, false); else @@ -230,6 +231,7 @@ void amdgpu_vcn_ring_begin_use(struct amdgpu_ring *ring) bool set_clocks = !cancel_delayed_work_sync(&adev->vcn.idle_work); if (set_clocks) { + amdgpu_gfx_off_ctrl(adev, AMD_IP_BLOCK_TYPE_VCN, false); if (adev->pm.dpm_enabled) amdgpu_dpm_enable_uvd(adev, true); else -- 1.9.1 _______________________________________________ amd-gfx mailing list amd-gfx@lists.freedesktop.org <a href="https://lists.freedesktop.org/mailman/listinfo/amd-gfx">https://lists.freedesktop.org/mailman/listinfo/amd-gfx</a> </div> </div> </body> </html>