+ Harry, Leo
On Wed, Dec 10, 2025 at 4:24 AM Tomasz Pakuła <[email protected]> wrote: > > From: Tomasz Pakuła <[email protected]> > > Chrontel CH7218 found in Ugreen DP -> HDMI 2.1 adapter (model 85564) > works perfectly with VRR after testing. VRR and FreeSync compatibility > is explicitly advertised as a feature so it's addition is a formality. > > Signed-off-by: Tomasz Pakuła <[email protected]> > --- > drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c | 1 + > drivers/gpu/drm/amd/display/include/ddc_service_types.h | 1 + > 2 files changed, 2 insertions(+) > > diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c > b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c > index d0f770dd0a95..f01f30a245ad 100644 > --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c > +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c > @@ -1374,6 +1374,7 @@ static bool dm_is_freesync_pcon_whitelist(const > uint32_t branch_dev_id) > case DP_BRANCH_DEVICE_ID_0060AD: > case DP_BRANCH_DEVICE_ID_00E04C: > case DP_BRANCH_DEVICE_ID_90CC24: > + case DP_BRANCH_DEVICE_ID_2B02F0: > ret_val = true; > break; > default: > diff --git a/drivers/gpu/drm/amd/display/include/ddc_service_types.h > b/drivers/gpu/drm/amd/display/include/ddc_service_types.h > index 1c603b12957f..e838f7c1269c 100644 > --- a/drivers/gpu/drm/amd/display/include/ddc_service_types.h > +++ b/drivers/gpu/drm/amd/display/include/ddc_service_types.h > @@ -36,6 +36,7 @@ > #define DP_BRANCH_DEVICE_ID_006037 0x006037 > #define DP_BRANCH_DEVICE_ID_001CF8 0x001CF8 > #define DP_BRANCH_DEVICE_ID_0060AD 0x0060AD > +#define DP_BRANCH_DEVICE_ID_2B02F0 0x2B02F0 /* Chrontel CH7218 */ > #define DP_BRANCH_HW_REV_10 0x10 > #define DP_BRANCH_HW_REV_20 0x20 > > -- > 2.52.0 >
