On Thu, Jan 7, 2021 at 8:45 PM Deng, Emily <Emily.Deng@xxxxxxx> wrote: > > [AMD Official Use Only - Internal Distribution Only] > > Ping ...... > It's not clear what problem this solves. Alex > Best wishes > Emily Deng > > > > >-----Original Message----- > >From: Emily Deng <Emily.Deng@xxxxxxx> > >Sent: Thursday, January 7, 2021 11:29 AM > >To: amd-gfx@xxxxxxxxxxxxxxxxxxxxx > >Cc: Deng, Emily <Emily.Deng@xxxxxxx> > >Subject: [PATCH v2] drm/amdgpu:Limit the resolution for virtual_display > > > >From: "Emily.Deng" <Emily.Deng@xxxxxxx> > > > >Limit the resolution not bigger than 16384, which means > >dev->mode_info.num_crtc * common_modes[i].w not bigger than 16384. > > > >v2: > > Refine the code > > > >Signed-off-by: Emily.Deng <Emily.Deng@xxxxxxx> > >--- > > drivers/gpu/drm/amd/amdgpu/dce_virtual.c | 7 +++++-- > > 1 file changed, 5 insertions(+), 2 deletions(-) > > > >diff --git a/drivers/gpu/drm/amd/amdgpu/dce_virtual.c > >b/drivers/gpu/drm/amd/amdgpu/dce_virtual.c > >index 2b16c8faca34..fd2b3a6dfd60 100644 > >--- a/drivers/gpu/drm/amd/amdgpu/dce_virtual.c > >+++ b/drivers/gpu/drm/amd/amdgpu/dce_virtual.c > >@@ -319,6 +319,7 @@ dce_virtual_encoder(struct drm_connector > >*connector) static int dce_virtual_get_modes(struct drm_connector > >*connector) { > > struct drm_device *dev = connector->dev; > >+struct amdgpu_device *adev = dev->dev_private; > > struct drm_display_mode *mode = NULL; > > unsigned i; > > static const struct mode_size { > >@@ -350,8 +351,10 @@ static int dce_virtual_get_modes(struct > >drm_connector *connector) > > }; > > > > for (i = 0; i < ARRAY_SIZE(common_modes); i++) { > >-mode = drm_cvt_mode(dev, common_modes[i].w, > >common_modes[i].h, 60, false, false, false); > >-drm_mode_probed_add(connector, mode); > >+if (adev->mode_info.num_crtc * common_modes[i].w <= > >16384) { > >+mode = drm_cvt_mode(dev, common_modes[i].w, > >common_modes[i].h, 60, false, false, false); > >+drm_mode_probed_add(connector, mode); > >+} > > } > > > > return 0; > >-- > >2.25.1 > > _______________________________________________ > amd-gfx mailing list > amd-gfx@xxxxxxxxxxxxxxxxxxxxx > https://lists.freedesktop.org/mailman/listinfo/amd-gfx _______________________________________________ amd-gfx mailing list amd-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/amd-gfx