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path: root/drivers/gpu/drm/amd/display/dc/dce/dce_dmcu.c
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Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/dce/dce_dmcu.c')
-rw-r--r--drivers/gpu/drm/amd/display/dc/dce/dce_dmcu.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dce/dce_dmcu.c b/drivers/gpu/drm/amd/display/dc/dce/dce_dmcu.c
index 9c701ab2dbfd..ddd30fc0d76b 100644
--- a/drivers/gpu/drm/amd/display/dc/dce/dce_dmcu.c
+++ b/drivers/gpu/drm/amd/display/dc/dce/dce_dmcu.c
@@ -391,6 +391,9 @@ static bool dcn10_dmcu_init(struct dmcu *dmcu)
/* Set initialized ramping boundary value */
REG_WRITE(MASTER_COMM_DATA_REG1, 0xFFFF);
+ /* Set backlight ramping stepsize */
+ REG_WRITE(MASTER_COMM_DATA_REG2, abm_gain_stepsize);
+
/* Set command to initialize microcontroller */
REG_UPDATE(MASTER_COMM_CMD_REG, MASTER_COMM_CMD_REG_BYTE0,
MCP_INIT_DMCU);
@@ -816,6 +819,9 @@ void dce_dmcu_destroy(struct dmcu **dmcu)
{
struct dce_dmcu *dmcu_dce = TO_DCE_DMCU(*dmcu);
+ if (dmcu_dce->base.dmcu_state == DMCU_RUNNING)
+ dmcu_dce->base.funcs->set_psr_enable(*dmcu, false, true);
+
kfree(dmcu_dce);
*dmcu = NULL;
}