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drm/amd/display: add CEC notifier to amdgpu driver

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This patch adds the cec_notifier feature to amdgpu driver.
The changes will allow amdgpu driver code to notify EDID
and HPD changes to an eventual CEC adapter.

Signed-off-by: Kun Liu <Kun.Liu2@amd.com>
Reviewed-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Kun Liu
2025-01-08 17:18:49 +08:00
committed by Alex Deucher
parent 85b73415fd
commit 7594874227
5 changed files with 154 additions and 1 deletions
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6
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h
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@@ -671,6 +671,8 @@ struct amdgpu_dm_connector {
uint32_t connector_id;
int bl_idx;
struct cec_notifier *notifier;
/* we need to mind the EDID between detect
and get modes due to analog/digital/tvencoder */
const struct drm_edid *drm_edid;
@@ -1010,4 +1012,8 @@ void dm_free_gpu_mem(struct amdgpu_device *adev,
bool amdgpu_dm_is_headless(struct amdgpu_device *adev);
void hdmi_cec_set_edid(struct amdgpu_dm_connector *aconnector);
void hdmi_cec_unset_edid(struct amdgpu_dm_connector *aconnector);
int amdgpu_dm_initialize_hdmi_connector(struct amdgpu_dm_connector *aconnector);
#endif /* __AMDGPU_DM_H__ */