diff options
| author | Jake Wang <haonan.wang2@amd.com> | 2021-04-23 16:42:35 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2021-05-27 12:24:03 -0400 |
| commit | 6e568e438b4d4e9754bdf361a91e0a774ca082ed (patch) | |
| tree | 22590adb73f5ab7a885759d9b4ef1c5f29c3dcd2 /drivers/gpu/drm/amd/display/dc/dce | |
| parent | 05adfd80cc52e0b4581e65bb5418de5dfd24d105 (diff) | |
drm/amd/display: Added support for individual control for multiple back-light instances.
[Why & How]
Added support for individual control for multiple back-light instances.
Signed-off-by: Jake Wang <haonan.wang2@amd.com>
Reviewed-by: Anthony Koo <Anthony.Koo@amd.com>
Acked-by: Qingqing Zhuo <qingqing.zhuo@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/dce')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dce/dmub_abm.c | 10 |
1 files changed, 3 insertions, 7 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dce/dmub_abm.c b/drivers/gpu/drm/amd/display/dc/dce/dmub_abm.c index 6939ca2e8212..54a1408c8015 100644 --- a/drivers/gpu/drm/amd/display/dc/dce/dmub_abm.c +++ b/drivers/gpu/drm/amd/display/dc/dce/dmub_abm.c @@ -172,16 +172,12 @@ static bool dmub_abm_set_level(struct abm *abm, uint32_t level) static bool dmub_abm_init_config(struct abm *abm, const char *src, - unsigned int bytes) + unsigned int bytes, + unsigned int inst) { union dmub_rb_cmd cmd; struct dc_context *dc = abm->ctx; - uint32_t edp_id_count = dc->dc_edp_id_count; - int i; - uint8_t panel_mask = 0; - - for (i = 0; i < edp_id_count; i++) - panel_mask |= 0x01 << i; + uint8_t panel_mask = 0x01 << inst; // TODO: Optimize by only reading back final 4 bytes dmub_flush_buffer_mem(&dc->dmub_srv->dmub->scratch_mem_fb); |