diff options
Diffstat (limited to 'src/soc/intel/broadwell')
| -rw-r--r-- | src/soc/intel/broadwell/chip.h | 17 | ||||
| -rw-r--r-- | src/soc/intel/broadwell/gma.c | 21 |
2 files changed, 14 insertions, 24 deletions
diff --git a/src/soc/intel/broadwell/chip.h b/src/soc/intel/broadwell/chip.h index b77cb71f70..9f6c58de47 100644 --- a/src/soc/intel/broadwell/chip.h +++ b/src/soc/intel/broadwell/chip.h @@ -3,7 +3,7 @@ #ifndef _SOC_INTEL_BROADWELL_CHIP_H_ #define _SOC_INTEL_BROADWELL_CHIP_H_ -#include <drivers/intel/gma/i915.h> +#include <drivers/intel/gma/gma.h> #include <stdint.h> struct soc_intel_broadwell_config { @@ -18,19 +18,8 @@ struct soc_intel_broadwell_config { u8 gpu_dp_c_hotplug; u8 gpu_dp_d_hotplug; - /* Panel power sequence timings */ - u16 gpu_panel_power_cycle_delay_ms; - u16 gpu_panel_power_up_delay_ms; - u16 gpu_panel_power_down_delay_ms; - u16 gpu_panel_power_backlight_on_delay_ms; - u16 gpu_panel_power_backlight_off_delay_ms; - - /* Panel backlight settings */ - unsigned int gpu_pch_backlight_pwm_hz; - enum { - GPU_BACKLIGHT_POLARITY_HIGH = 0, - GPU_BACKLIGHT_POLARITY_LOW, - } gpu_pch_backlight_polarity; + /* IGD panel configuration */ + struct i915_gpu_panel_config panel_cfg; /* * Graphics CD Clock Frequency diff --git a/src/soc/intel/broadwell/gma.c b/src/soc/intel/broadwell/gma.c index 9866ed3b39..bbb6678b75 100644 --- a/src/soc/intel/broadwell/gma.c +++ b/src/soc/intel/broadwell/gma.c @@ -285,6 +285,7 @@ int gtt_poll(u32 reg, u32 mask, u32 value) static void gma_setup_panel(struct device *dev) { config_t *conf = config_of(dev); + const struct i915_gpu_panel_config *panel_cfg = &conf->panel_cfg; u32 reg32; /* Setup Digital Port Hotplug */ @@ -299,30 +300,30 @@ static void gma_setup_panel(struct device *dev) /* Setup Panel Power On Delays */ reg32 = gtt_read(PCH_PP_ON_DELAYS); if (!reg32) { - reg32 |= ((conf->gpu_panel_power_up_delay_ms * 10) & 0x1fff) << 16; - reg32 |= (conf->gpu_panel_power_backlight_on_delay_ms * 10) & 0x1fff; + reg32 |= ((panel_cfg->up_delay_ms * 10) & 0x1fff) << 16; + reg32 |= (panel_cfg->backlight_on_delay_ms * 10) & 0x1fff; gtt_write(PCH_PP_ON_DELAYS, reg32); } /* Setup Panel Power Off Delays */ reg32 = gtt_read(PCH_PP_OFF_DELAYS); if (!reg32) { - reg32 = ((conf->gpu_panel_power_down_delay_ms * 10) & 0x1fff) << 16; - reg32 |= (conf->gpu_panel_power_backlight_off_delay_ms * 10) & 0x1fff; + reg32 = ((panel_cfg->down_delay_ms * 10) & 0x1fff) << 16; + reg32 |= (panel_cfg->backlight_off_delay_ms * 10) & 0x1fff; gtt_write(PCH_PP_OFF_DELAYS, reg32); } /* Setup Panel Power Cycle Delay */ - if (conf->gpu_panel_power_cycle_delay_ms) { + if (panel_cfg->cycle_delay_ms) { reg32 = gtt_read(PCH_PP_DIVISOR); reg32 &= ~0x1f; - reg32 |= (DIV_ROUND_UP(conf->gpu_panel_power_cycle_delay_ms, 100) + 1) & 0x1f; + reg32 |= (DIV_ROUND_UP(panel_cfg->cycle_delay_ms, 100) + 1) & 0x1f; gtt_write(PCH_PP_DIVISOR, reg32); } /* So far all devices seem to use the PCH PWM function. The CPU PWM registers are all zero after reset. */ - if (conf->gpu_pch_backlight_pwm_hz) { + if (panel_cfg->backlight_pwm_hz) { /* For Lynx Point-LP: Reference clock is 24MHz. We can choose either a 16 or a 128 step increment. Use 16 if we would have less @@ -333,7 +334,7 @@ static void gma_setup_panel(struct device *dev) u32 south_chicken2; south_chicken2 = gtt_read(SOUTH_CHICKEN2); - if (conf->gpu_pch_backlight_pwm_hz > hz_limit) { + if (panel_cfg->backlight_pwm_hz > hz_limit) { pwm_increment = 16; south_chicken2 |= 1 << 5; } else { @@ -342,7 +343,7 @@ static void gma_setup_panel(struct device *dev) } gtt_write(SOUTH_CHICKEN2, south_chicken2); - pwm_period = refclock / pwm_increment / conf->gpu_pch_backlight_pwm_hz; + pwm_period = refclock / pwm_increment / panel_cfg->backlight_pwm_hz; printk(BIOS_INFO, "GMA: Setting backlight PWM frequency to %uMHz / %u / %u = %uHz\n", refclock / MHz, pwm_increment, pwm_period, @@ -352,7 +353,7 @@ static void gma_setup_panel(struct device *dev) gtt_write(BLC_PWM_PCH_CTL2, pwm_period << 16 | pwm_period / 2); gtt_write(BLC_PWM_PCH_CTL1, - (conf->gpu_pch_backlight_polarity == GPU_BACKLIGHT_POLARITY_LOW) << 29 | + (panel_cfg->backlight_polarity == GPU_BACKLIGHT_POLARITY_LOW) << 29 | BLM_PCH_OVERRIDE_ENABLE | BLM_PCH_PWM_ENABLE); } } |