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
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