From: Alex Deucher <alexdeucher@gmail.com> To: amd-gfx@lists.freedesktop.org Cc: Alex Deucher <alexander.deucher@amd.com>, stable@vger.kernel.org Subject: [PATCH] drm/amdgpu/si: fix crash on headless asics Date: Fri, 27 Jan 2017 10:33:25 -0500 [thread overview] Message-ID: <1485531205-32138-1-git-send-email-alexander.deucher@amd.com> (raw) Missing check for crtcs present. Fixes: https://bugzilla.kernel.org/show_bug.cgi?id=193341 https://bugs.freedesktop.org/show_bug.cgi?id=99387 Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Cc: stable@vger.kernel.org --- drivers/gpu/drm/amd/amdgpu/gmc_v6_0.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v6_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v6_0.c index 2341cf0..ea3779d 100644 --- a/drivers/gpu/drm/amd/amdgpu/gmc_v6_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v6_0.c @@ -227,6 +227,9 @@ static void gmc_v6_0_mc_program(struct amdgpu_device *adev) } WREG32(HDP_REG_COHERENCY_FLUSH_CNTL, 0); + if (adev->mode_info.num_crtc) + amdgpu_display_set_vga_render_state(adev, false); + gmc_v6_0_mc_stop(adev, &save); if (gmc_v6_0_wait_for_idle((void *)adev)) { @@ -256,7 +259,6 @@ static void gmc_v6_0_mc_program(struct amdgpu_device *adev) dev_warn(adev->dev, "Wait for MC idle timedout !\n"); } gmc_v6_0_mc_resume(adev, &save); - amdgpu_display_set_vga_render_state(adev, false); } static int gmc_v6_0_mc_init(struct amdgpu_device *adev) -- 2.5.5
WARNING: multiple messages have this Message-ID (diff)
From: Alex Deucher <alexdeucher-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> To: amd-gfx-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org Cc: Alex Deucher <alexander.deucher-5C7GfCeVMHo@public.gmane.org>, stable-u79uwXL29TY76Z2rM5mHXA@public.gmane.org Subject: [PATCH] drm/amdgpu/si: fix crash on headless asics Date: Fri, 27 Jan 2017 10:33:25 -0500 [thread overview] Message-ID: <1485531205-32138-1-git-send-email-alexander.deucher@amd.com> (raw) Missing check for crtcs present. Fixes: https://bugzilla.kernel.org/show_bug.cgi?id=193341 https://bugs.freedesktop.org/show_bug.cgi?id=99387 Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Cc: stable@vger.kernel.org --- drivers/gpu/drm/amd/amdgpu/gmc_v6_0.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v6_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v6_0.c index 2341cf0..ea3779d 100644 --- a/drivers/gpu/drm/amd/amdgpu/gmc_v6_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v6_0.c @@ -227,6 +227,9 @@ static void gmc_v6_0_mc_program(struct amdgpu_device *adev) } WREG32(HDP_REG_COHERENCY_FLUSH_CNTL, 0); + if (adev->mode_info.num_crtc) + amdgpu_display_set_vga_render_state(adev, false); + gmc_v6_0_mc_stop(adev, &save); if (gmc_v6_0_wait_for_idle((void *)adev)) { @@ -256,7 +259,6 @@ static void gmc_v6_0_mc_program(struct amdgpu_device *adev) dev_warn(adev->dev, "Wait for MC idle timedout !\n"); } gmc_v6_0_mc_resume(adev, &save); - amdgpu_display_set_vga_render_state(adev, false); } static int gmc_v6_0_mc_init(struct amdgpu_device *adev) -- 2.5.5 _______________________________________________ amd-gfx mailing list amd-gfx@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/amd-gfx
next reply other threads:[~2017-01-27 15:42 UTC|newest] Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top 2017-01-27 15:33 Alex Deucher [this message] 2017-01-27 15:33 ` [PATCH] drm/amdgpu/si: fix crash on headless asics Alex Deucher 2017-01-27 17:17 ` Christian König 2017-01-27 17:17 ` Christian König
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