diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/dce/dce_abm.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dce/dce_abm.c | 45 |
1 files changed, 24 insertions, 21 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dce/dce_abm.c b/drivers/gpu/drm/amd/display/dc/dce/dce_abm.c index 2a342eae80fd..da96229db53a 100644 --- a/drivers/gpu/drm/amd/display/dc/dce/dce_abm.c +++ b/drivers/gpu/drm/amd/display/dc/dce/dce_abm.c @@ -53,6 +53,27 @@ #define MCP_DISABLE_ABM_IMMEDIATELY 255 +static bool dce_abm_set_pipe(struct abm *abm, uint32_t controller_id) +{ + struct dce_abm *abm_dce = TO_DCE_ABM(abm); + uint32_t rampingBoundary = 0xFFFF; + + REG_WAIT(MASTER_COMM_CNTL_REG, MASTER_COMM_INTERRUPT, 0, + 1, 80000); + + /* set ramping boundary */ + REG_WRITE(MASTER_COMM_DATA_REG1, rampingBoundary); + + /* setDMCUParam_Pipe */ + REG_UPDATE_2(MASTER_COMM_CMD_REG, + MASTER_COMM_CMD_REG_BYTE0, MCP_ABM_PIPE_SET, + MASTER_COMM_CMD_REG_BYTE1, controller_id); + + /* notifyDMCUMsg */ + REG_UPDATE(MASTER_COMM_CNTL_REG, MASTER_COMM_INTERRUPT, 1); + + return true; +} static unsigned int calculate_16_bit_backlight_from_pwm(struct dce_abm *abm_dce) { @@ -175,7 +196,6 @@ static void dmcu_set_backlight_level( uint32_t controller_id) { unsigned int backlight_8_bit = 0; - uint32_t rampingBoundary = 0xFFFF; uint32_t s2; if (backlight_pwm_u16_16 & 0x10000) @@ -185,16 +205,7 @@ static void dmcu_set_backlight_level( // Take MSB of fractional part since backlight is not max backlight_8_bit = (backlight_pwm_u16_16 >> 8) & 0xFF; - /* set ramping boundary */ - REG_WRITE(MASTER_COMM_DATA_REG1, rampingBoundary); - - /* setDMCUParam_Pipe */ - REG_UPDATE_2(MASTER_COMM_CMD_REG, - MASTER_COMM_CMD_REG_BYTE0, MCP_ABM_PIPE_SET, - MASTER_COMM_CMD_REG_BYTE1, controller_id); - - /* notifyDMCUMsg */ - REG_UPDATE(MASTER_COMM_CNTL_REG, MASTER_COMM_INTERRUPT, 1); + dce_abm_set_pipe(&abm_dce->base, controller_id); /* waitDMCUReadyForCmd */ REG_WAIT(MASTER_COMM_CNTL_REG, MASTER_COMM_INTERRUPT, @@ -309,16 +320,7 @@ static bool dce_abm_immediate_disable(struct abm *abm) { struct dce_abm *abm_dce = TO_DCE_ABM(abm); - REG_WAIT(MASTER_COMM_CNTL_REG, MASTER_COMM_INTERRUPT, 0, - 1, 80000); - - /* setDMCUParam_ABMLevel */ - REG_UPDATE_2(MASTER_COMM_CMD_REG, - MASTER_COMM_CMD_REG_BYTE0, MCP_ABM_LEVEL_SET, - MASTER_COMM_CMD_REG_BYTE2, MCP_DISABLE_ABM_IMMEDIATELY); - - /* notifyDMCUMsg */ - REG_UPDATE(MASTER_COMM_CNTL_REG, MASTER_COMM_INTERRUPT, 1); + dce_abm_set_pipe(abm, MCP_DISABLE_ABM_IMMEDIATELY); abm->stored_backlight_registers.BL_PWM_CNTL = REG_READ(BL_PWM_CNTL); @@ -419,6 +421,7 @@ static const struct abm_funcs dce_funcs = { .abm_init = dce_abm_init, .set_abm_level = dce_abm_set_level, .init_backlight = dce_abm_init_backlight, + .set_pipe = dce_abm_set_pipe, .set_backlight_level_pwm = dce_abm_set_backlight_level_pwm, .get_current_backlight = dce_abm_get_current_backlight, .get_target_backlight = dce_abm_get_target_backlight, |