Am 27.01.2017 um 16:33 schrieb Alex Deucher: > 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 at amd.com> > Cc: stable at vger.kernel.org Reviewed-by: Christian König <christian.koenig at amd.com>. > --- > 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)
