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drm/amd/display: Get replay info from VSDB

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We need to make sure that the panel supports replay.

This info is inside the amd vsdb (vendor specific data block). Create a
function to parse the block and read the replay_mode bit.

Signed-off-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com>
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Bhawanpreet Lakha
2023-06-12 14:06:39 -04:00
committed by Alex Deucher
parent 7957ec80ef
commit ec8e59cb4e
3 changed files with 64 additions and 0 deletions
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14
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h
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@@ -51,6 +51,9 @@
#define AMDGPU_DMUB_NOTIFICATION_MAX 5
#define HDMI_AMD_VENDOR_SPECIFIC_DATA_BLOCK_IEEE_REGISTRATION_ID 0x00001A
#define AMD_VSDB_VERSION_3_FEATURECAP_REPLAYMODE 0x40
#define HDMI_AMD_VENDOR_SPECIFIC_DATA_BLOCK_VERSION_3 0x3
/*
#include "include/amdgpu_dal_power_if.h"
#include "amdgpu_dm_irq.h"
@@ -75,6 +78,12 @@ struct dmub_srv;
struct dc_plane_state;
struct dmub_notification;
struct amd_vsdb_block {
unsigned char ieee_id[3];
unsigned char version;
unsigned char feature_caps;
};
struct common_irq_params {
struct amdgpu_device *adev;
enum dc_irq_source irq_src;
@@ -609,6 +618,11 @@ struct amdgpu_hdmi_vsdb_info {
* @max_refresh_rate_hz: FreeSync Maximum Refresh Rate in Hz
*/
unsigned int max_refresh_rate_hz;
/**
* @replay mode: Replay supported
*/
bool replay_mode;
};
struct amdgpu_dm_connector {