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drm/amd/display: Add read backlight interface

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[Why & How]
Add read backlight interface to get ABM data.

Signed-off-by: Yongqiang Sun <yongqiang.sun@amd.com>
Reviewed-by: Anthony Koo <Anthony.Koo@amd.com>
Acked-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Yongqiang Sun
2020-08-05 11:34:53 -04:00
committed by Alex Deucher
parent 6ee90e88b9
commit ccc875052f
5 changed files with 18 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files

1
drivers/gpu/drm/amd/display/dc/core/dc_stream.c
View File

@ -708,3 +708,4 @@ void dc_stream_log(const struct dc *dc, const struct dc_stream_state *stream)
"\tlink: %d\n",
stream->link->link_index);
}

12
drivers/gpu/drm/amd/display/dc/dce/dce_abm.h
View File

@ -46,6 +46,8 @@
SR(BL1_PWM_USER_LEVEL), \
SR(DC_ABM1_LS_MIN_MAX_PIXEL_VALUE_THRES), \
SR(DC_ABM1_HGLS_REG_READ_PROGRESS), \
SR(DC_ABM1_ACE_OFFSET_SLOPE_0), \
SR(DC_ABM1_ACE_THRES_12), \
SR(BIOS_SCRATCH_2)
#define ABM_DCN10_REG_LIST(id)\
@ -60,6 +62,8 @@
SRI(BL1_PWM_USER_LEVEL, ABM, id), \
SRI(DC_ABM1_LS_MIN_MAX_PIXEL_VALUE_THRES, ABM, id), \
SRI(DC_ABM1_HGLS_REG_READ_PROGRESS, ABM, id), \
SRI(DC_ABM1_ACE_OFFSET_SLOPE_0, ABM, id), \
SRI(DC_ABM1_ACE_THRES_12, ABM, id), \
NBIO_SR(BIOS_SCRATCH_2)
#define ABM_DCN20_REG_LIST() \
@ -74,10 +78,12 @@
SR(BL1_PWM_USER_LEVEL), \
SR(DC_ABM1_LS_MIN_MAX_PIXEL_VALUE_THRES), \
SR(DC_ABM1_HGLS_REG_READ_PROGRESS), \
SR(DC_ABM1_ACE_OFFSET_SLOPE_0), \
SR(DC_ABM1_ACE_THRES_12), \
NBIO_SR(BIOS_SCRATCH_2)
#if defined(CONFIG_DRM_AMD_DC_DCN3_0)
#define ABM_DCN301_REG_LIST(id)\
#define ABM_DCN30_REG_LIST(id)\
ABM_COMMON_REG_LIST_DCE_BASE(), \
SRI(DC_ABM1_HG_SAMPLE_RATE, ABM, id), \
SRI(DC_ABM1_LS_SAMPLE_RATE, ABM, id), \
@ -89,6 +95,8 @@
SRI(BL1_PWM_USER_LEVEL, ABM, id), \
SRI(DC_ABM1_LS_MIN_MAX_PIXEL_VALUE_THRES, ABM, id), \
SRI(DC_ABM1_HGLS_REG_READ_PROGRESS, ABM, id), \
SRI(DC_ABM1_ACE_OFFSET_SLOPE_0, ABM, id), \
SRI(DC_ABM1_ACE_THRES_12, ABM, id), \
NBIO_SR(BIOS_SCRATCH_2)
#endif
@ -208,6 +216,8 @@ struct dce_abm_registers {
uint32_t BL1_PWM_USER_LEVEL;
uint32_t DC_ABM1_LS_MIN_MAX_PIXEL_VALUE_THRES;
uint32_t DC_ABM1_HGLS_REG_READ_PROGRESS;
uint32_t DC_ABM1_ACE_OFFSET_SLOPE_0;
uint32_t DC_ABM1_ACE_THRES_12;
uint32_t MASTER_COMM_CNTL_REG;
uint32_t MASTER_COMM_CMD_REG;
uint32_t MASTER_COMM_DATA_REG1;

6
drivers/gpu/drm/amd/display/dc/dce/dce_panel_cntl.c
View File

@ -46,13 +46,14 @@
#define FN(reg_name, field_name) \
dce_panel_cntl->shift->field_name, dce_panel_cntl->mask->field_name
static unsigned int calculate_16_bit_backlight_from_pwm(struct dce_panel_cntl *dce_panel_cntl)
static unsigned int dce_get_16_bit_backlight_from_pwm(struct panel_cntl *panel_cntl)
{
uint64_t current_backlight;
uint32_t round_result;
uint32_t pwm_period_cntl, bl_period, bl_int_count;
uint32_t bl_pwm_cntl, bl_pwm, fractional_duty_cycle_en;
uint32_t bl_period_mask, bl_pwm_mask;
struct dce_panel_cntl *dce_panel_cntl = TO_DCE_PANEL_CNTL(panel_cntl);
pwm_period_cntl = REG_READ(BL_PWM_PERIOD_CNTL);
REG_GET(BL_PWM_PERIOD_CNTL, BL_PWM_PERIOD, &bl_period);
@ -150,7 +151,7 @@ static uint32_t dce_panel_cntl_hw_init(struct panel_cntl *panel_cntl)
REG_UPDATE(BL_PWM_GRP1_REG_LOCK,
BL_PWM_GRP1_REG_LOCK, 0);
current_backlight = calculate_16_bit_backlight_from_pwm(dce_panel_cntl);
current_backlight = dce_get_16_bit_backlight_from_pwm(panel_cntl);
return current_backlight;
}
@ -273,6 +274,7 @@ static const struct panel_cntl_funcs dce_link_panel_cntl_funcs = {
.is_panel_powered_on = dce_is_panel_powered_on,
.store_backlight_level = dce_store_backlight_level,
.driver_set_backlight = dce_driver_set_backlight,
.get_current_backlight = dce_get_16_bit_backlight_from_pwm,
};
void dce_panel_cntl_construct(

2
drivers/gpu/drm/amd/display/dc/dcn30/dcn30_resource.c
View File

@ -340,7 +340,7 @@ static const struct dce110_clk_src_mask cs_mask = {
#define abm_regs(id)\
[id] = {\
ABM_DCN301_REG_LIST(id)\
ABM_DCN30_REG_LIST(id)\
}
static const struct dce_abm_registers abm_regs[] = {

1
drivers/gpu/drm/amd/display/dc/inc/hw/panel_cntl.h
View File

@ -49,6 +49,7 @@ struct panel_cntl_funcs {
void (*store_backlight_level)(struct panel_cntl *panel_cntl);
void (*driver_set_backlight)(struct panel_cntl *panel_cntl,
uint32_t backlight_pwm_u16_16);
uint32_t (*get_current_backlight)(struct panel_cntl *panel_cntl);
};
struct panel_cntl_init_data {