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drm/amd/display: Added support for individual control for multiple back-light instances.

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[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>
This commit is contained in:
Jake Wang
2021-04-23 16:42:35 -04:00
committed by Alex Deucher
parent 05adfd80cc
commit 6e568e438b
6 changed files with 47 additions and 27 deletions
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10
drivers/gpu/drm/amd/display/dc/dce/dmub_abm.c
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@@ -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);