> -----Original Message----- > From: Intel-gfx <[email protected]> On Behalf Of Jani > Nikula > Sent: Monday, August 15, 2022 3:19 PM > To: [email protected] > Cc: Nikula, Jani <[email protected]> > Subject: [Intel-gfx] [PATCH] drm/i915/backlight: split out backlight > registers to > a separate file > > Declutter i915_reg.h by splitting backlight registers to a separate file. Also > include the utility pin definitions, even though they are used for non- > backlight things too. > > Signed-off-by: Jani Nikula <[email protected]> > ---
Reviewed-by: Arun R Murthy <[email protected]> Thanks and Regards, Arun R Murthy -------------------- > drivers/gpu/drm/i915/display/icl_dsi.c | 1 + > .../gpu/drm/i915/display/intel_backlight.c | 1 + > .../drm/i915/display/intel_backlight_regs.h | 124 ++++++++++++++++++ > .../drm/i915/display/intel_display_power.c | 1 + > .../i915/display/intel_display_power_well.c | 1 + > drivers/gpu/drm/i915/i915_reg.h | 112 ---------------- > drivers/gpu/drm/i915/intel_gvt_mmio_table.c | 1 + > 7 files changed, 129 insertions(+), 112 deletions(-) create mode 100644 > drivers/gpu/drm/i915/display/intel_backlight_regs.h > > diff --git a/drivers/gpu/drm/i915/display/icl_dsi.c > b/drivers/gpu/drm/i915/display/icl_dsi.c > index 5dcfa7feffa9..c182253196f3 100644 > --- a/drivers/gpu/drm/i915/display/icl_dsi.c > +++ b/drivers/gpu/drm/i915/display/icl_dsi.c > @@ -33,6 +33,7 @@ > #include "icl_dsi_regs.h" > #include "intel_atomic.h" > #include "intel_backlight.h" > +#include "intel_backlight_regs.h" > #include "intel_combo_phy.h" > #include "intel_combo_phy_regs.h" > #include "intel_connector.h" > diff --git a/drivers/gpu/drm/i915/display/intel_backlight.c > b/drivers/gpu/drm/i915/display/intel_backlight.c > index 110fc98ec280..262b2fda37e5 100644 > --- a/drivers/gpu/drm/i915/display/intel_backlight.c > +++ b/drivers/gpu/drm/i915/display/intel_backlight.c > @@ -9,6 +9,7 @@ > #include <linux/string_helpers.h> > > #include "intel_backlight.h" > +#include "intel_backlight_regs.h" > #include "intel_connector.h" > #include "intel_de.h" > #include "intel_display_types.h" > diff --git a/drivers/gpu/drm/i915/display/intel_backlight_regs.h > b/drivers/gpu/drm/i915/display/intel_backlight_regs.h > new file mode 100644 > index 000000000000..50c1210f6d5d > --- /dev/null > +++ b/drivers/gpu/drm/i915/display/intel_backlight_regs.h > @@ -0,0 +1,124 @@ > +/* SPDX-License-Identifier: MIT */ > +/* > + * Copyright © 2022 Intel Corporation > + */ > + > +#ifndef __INTEL_BACKLIGHT_REGS_H__ > +#define __INTEL_BACKLIGHT_REGS_H__ > + > +#include "i915_reg_defs.h" > + > +#define _VLV_BLC_PWM_CTL2_A (DISPLAY_MMIO_BASE(dev_priv) + > 0x61250) > +#define _VLV_BLC_PWM_CTL2_B (DISPLAY_MMIO_BASE(dev_priv) + > 0x61350) > +#define VLV_BLC_PWM_CTL2(pipe) _MMIO_PIPE(pipe, > _VLV_BLC_PWM_CTL2_A, \ > + _VLV_BLC_PWM_CTL2_B) > + > +#define _VLV_BLC_PWM_CTL_A (DISPLAY_MMIO_BASE(dev_priv) + > 0x61254) > +#define _VLV_BLC_PWM_CTL_B (DISPLAY_MMIO_BASE(dev_priv) + > 0x61354) > +#define VLV_BLC_PWM_CTL(pipe) _MMIO_PIPE(pipe, > _VLV_BLC_PWM_CTL_A, \ > + _VLV_BLC_PWM_CTL_B) > + > +#define _VLV_BLC_HIST_CTL_A (DISPLAY_MMIO_BASE(dev_priv) + 0x61260) > +#define _VLV_BLC_HIST_CTL_B (DISPLAY_MMIO_BASE(dev_priv) + 0x61360) > +#define VLV_BLC_HIST_CTL(pipe) _MMIO_PIPE(pipe, > _VLV_BLC_HIST_CTL_A, \ > + _VLV_BLC_HIST_CTL_B) > + > +/* Backlight control */ > +#define BLC_PWM_CTL2 _MMIO(DISPLAY_MMIO_BASE(dev_priv) + > 0x61250) /* 965+ only */ > +#define BLM_PWM_ENABLE (1 << 31) > +#define BLM_COMBINATION_MODE (1 << 30) /* gen4 only */ > +#define BLM_PIPE_SELECT (1 << 29) > +#define BLM_PIPE_SELECT_IVB (3 << 29) > +#define BLM_PIPE_A (0 << 29) > +#define BLM_PIPE_B (1 << 29) > +#define BLM_PIPE_C (2 << 29) /* ivb + */ > +#define BLM_TRANSCODER_A BLM_PIPE_A /* hsw */ > +#define BLM_TRANSCODER_B BLM_PIPE_B > +#define BLM_TRANSCODER_C BLM_PIPE_C > +#define BLM_TRANSCODER_EDP (3 << 29) > +#define BLM_PIPE(pipe) ((pipe) << 29) > +#define BLM_POLARITY_I965 (1 << 28) /* gen4 only */ > +#define BLM_PHASE_IN_INTERUPT_STATUS (1 << 26) > +#define BLM_PHASE_IN_ENABLE (1 << 25) > +#define BLM_PHASE_IN_INTERUPT_ENABL (1 << 24) > +#define BLM_PHASE_IN_TIME_BASE_SHIFT (16) > +#define BLM_PHASE_IN_TIME_BASE_MASK (0xff << 16) > +#define BLM_PHASE_IN_COUNT_SHIFT (8) > +#define BLM_PHASE_IN_COUNT_MASK (0xff << 8) > +#define BLM_PHASE_IN_INCR_SHIFT (0) > +#define BLM_PHASE_IN_INCR_MASK (0xff << 0) > +#define BLC_PWM_CTL _MMIO(DISPLAY_MMIO_BASE(dev_priv) + > 0x61254) > +/* > + * This is the most significant 15 bits of the number of backlight > +cycles in a > + * complete cycle of the modulated backlight control. > + * > + * The actual value is this field multiplied by two. > + */ > +#define BACKLIGHT_MODULATION_FREQ_SHIFT (17) > +#define BACKLIGHT_MODULATION_FREQ_MASK (0x7fff << 17) > +#define BLM_LEGACY_MODE (1 << 16) /* gen2 only */ > +/* > + * This is the number of cycles out of the backlight modulation cycle > +for which > + * the backlight is on. > + * > + * This field must be no greater than the number of cycles in the > +complete > + * backlight modulation cycle. > + */ > +#define BACKLIGHT_DUTY_CYCLE_SHIFT (0) > +#define BACKLIGHT_DUTY_CYCLE_MASK (0xffff) > +#define BACKLIGHT_DUTY_CYCLE_MASK_PNV (0xfffe) > +#define BLM_POLARITY_PNV (1 << 0) /* pnv only */ > + > +#define BLC_HIST_CTL _MMIO(DISPLAY_MMIO_BASE(dev_priv) + 0x61260) > +#define BLM_HISTOGRAM_ENABLE (1 << 31) > + > +/* New registers for PCH-split platforms. Safe where new bits show up, > +the > + * register layout machtes with gen4 BLC_PWM_CTL[12]. */ > +#define BLC_PWM_CPU_CTL2 _MMIO(0x48250) > +#define BLC_PWM_CPU_CTL _MMIO(0x48254) > + > +#define HSW_BLC_PWM2_CTL _MMIO(0x48350) > + > +/* PCH CTL1 is totally different, all but the below bits are reserved. > +CTL2 is > + * like the normal CTL from gen4 and earlier. Hooray for confusing naming. > */ > +#define BLC_PWM_PCH_CTL1 _MMIO(0xc8250) > +#define BLM_PCH_PWM_ENABLE (1 << 31) > +#define BLM_PCH_OVERRIDE_ENABLE (1 << 30) > +#define BLM_PCH_POLARITY (1 << 29) > +#define BLC_PWM_PCH_CTL2 _MMIO(0xc8254) > + > +/* BXT backlight register definition. */ > +#define _BXT_BLC_PWM_CTL1 0xC8250 > +#define BXT_BLC_PWM_ENABLE (1 << 31) > +#define BXT_BLC_PWM_POLARITY (1 << 29) > +#define _BXT_BLC_PWM_FREQ1 0xC8254 > +#define _BXT_BLC_PWM_DUTY1 0xC8258 > + > +#define _BXT_BLC_PWM_CTL2 0xC8350 > +#define _BXT_BLC_PWM_FREQ2 0xC8354 > +#define _BXT_BLC_PWM_DUTY2 0xC8358 > + > +#define BXT_BLC_PWM_CTL(controller) _MMIO_PIPE(controller, > \ > + _BXT_BLC_PWM_CTL1, > _BXT_BLC_PWM_CTL2) > +#define BXT_BLC_PWM_FREQ(controller) _MMIO_PIPE(controller, \ > + _BXT_BLC_PWM_FREQ1, > _BXT_BLC_PWM_FREQ2) > +#define BXT_BLC_PWM_DUTY(controller) _MMIO_PIPE(controller, \ > + _BXT_BLC_PWM_DUTY1, > _BXT_BLC_PWM_DUTY2) > + > +/* Utility pin */ > +#define UTIL_PIN_CTL _MMIO(0x48400) > +#define UTIL_PIN_ENABLE (1 << 31) > +#define UTIL_PIN_PIPE_MASK (3 << 29) > +#define UTIL_PIN_PIPE(x) ((x) << 29) > +#define UTIL_PIN_MODE_MASK (0xf << 24) > +#define UTIL_PIN_MODE_DATA (0 << 24) > +#define UTIL_PIN_MODE_PWM (1 << 24) > +#define UTIL_PIN_MODE_VBLANK (4 << 24) > +#define UTIL_PIN_MODE_VSYNC (5 << 24) > +#define UTIL_PIN_MODE_EYE_LEVEL (8 << 24) > +#define UTIL_PIN_OUTPUT_DATA (1 << 23) > +#define UTIL_PIN_POLARITY (1 << 22) > +#define UTIL_PIN_DIRECTION_INPUT (1 << 19) > +#define UTIL_PIN_INPUT_DATA (1 << 16) > + > +#endif /* __INTEL_BACKLIGHT_REGS_H__ */ > diff --git a/drivers/gpu/drm/i915/display/intel_display_power.c > b/drivers/gpu/drm/i915/display/intel_display_power.c > index 3f84af6beff3..1d8f2935ed98 100644 > --- a/drivers/gpu/drm/i915/display/intel_display_power.c > +++ b/drivers/gpu/drm/i915/display/intel_display_power.c > @@ -7,6 +7,7 @@ > > #include "i915_drv.h" > #include "i915_irq.h" > +#include "intel_backlight_regs.h" > #include "intel_cdclk.h" > #include "intel_combo_phy.h" > #include "intel_de.h" > diff --git a/drivers/gpu/drm/i915/display/intel_display_power_well.c > b/drivers/gpu/drm/i915/display/intel_display_power_well.c > index 91cfd5890f46..7044016d4d98 100644 > --- a/drivers/gpu/drm/i915/display/intel_display_power_well.c > +++ b/drivers/gpu/drm/i915/display/intel_display_power_well.c > @@ -5,6 +5,7 @@ > > #include "i915_drv.h" > #include "i915_irq.h" > +#include "intel_backlight_regs.h" > #include "intel_combo_phy.h" > #include "intel_combo_phy_regs.h" > #include "intel_crt.h" > diff --git a/drivers/gpu/drm/i915/i915_reg.h > b/drivers/gpu/drm/i915/i915_reg.h index ad2c441aceca..50d7bfd541ad > 100644 > --- a/drivers/gpu/drm/i915/i915_reg.h > +++ b/drivers/gpu/drm/i915/i915_reg.h > @@ -2925,118 +2925,6 @@ > > #define PFIT_AUTO_RATIOS _MMIO(DISPLAY_MMIO_BASE(dev_priv) + > 0x61238) > > -#define _VLV_BLC_PWM_CTL2_A (DISPLAY_MMIO_BASE(dev_priv) + > 0x61250) -#define _VLV_BLC_PWM_CTL2_B (DISPLAY_MMIO_BASE(dev_priv) > + 0x61350) -#define VLV_BLC_PWM_CTL2(pipe) _MMIO_PIPE(pipe, > _VLV_BLC_PWM_CTL2_A, \ > - _VLV_BLC_PWM_CTL2_B) > - > -#define _VLV_BLC_PWM_CTL_A (DISPLAY_MMIO_BASE(dev_priv) + > 0x61254) -#define _VLV_BLC_PWM_CTL_B (DISPLAY_MMIO_BASE(dev_priv) > + 0x61354) -#define VLV_BLC_PWM_CTL(pipe) _MMIO_PIPE(pipe, > _VLV_BLC_PWM_CTL_A, \ > - _VLV_BLC_PWM_CTL_B) > - > -#define _VLV_BLC_HIST_CTL_A (DISPLAY_MMIO_BASE(dev_priv) + 0x61260) > -#define _VLV_BLC_HIST_CTL_B (DISPLAY_MMIO_BASE(dev_priv) + 0x61360) > -#define VLV_BLC_HIST_CTL(pipe) _MMIO_PIPE(pipe, > _VLV_BLC_HIST_CTL_A, \ > - _VLV_BLC_HIST_CTL_B) > - > -/* Backlight control */ > -#define BLC_PWM_CTL2 _MMIO(DISPLAY_MMIO_BASE(dev_priv) + > 0x61250) /* 965+ only */ > -#define BLM_PWM_ENABLE (1 << 31) > -#define BLM_COMBINATION_MODE (1 << 30) /* gen4 only */ > -#define BLM_PIPE_SELECT (1 << 29) > -#define BLM_PIPE_SELECT_IVB (3 << 29) > -#define BLM_PIPE_A (0 << 29) > -#define BLM_PIPE_B (1 << 29) > -#define BLM_PIPE_C (2 << 29) /* ivb + */ > -#define BLM_TRANSCODER_A BLM_PIPE_A /* hsw */ > -#define BLM_TRANSCODER_B BLM_PIPE_B > -#define BLM_TRANSCODER_C BLM_PIPE_C > -#define BLM_TRANSCODER_EDP (3 << 29) > -#define BLM_PIPE(pipe) ((pipe) << 29) > -#define BLM_POLARITY_I965 (1 << 28) /* gen4 only */ > -#define BLM_PHASE_IN_INTERUPT_STATUS (1 << 26) > -#define BLM_PHASE_IN_ENABLE (1 << 25) > -#define BLM_PHASE_IN_INTERUPT_ENABL (1 << 24) > -#define BLM_PHASE_IN_TIME_BASE_SHIFT (16) > -#define BLM_PHASE_IN_TIME_BASE_MASK (0xff << 16) > -#define BLM_PHASE_IN_COUNT_SHIFT (8) > -#define BLM_PHASE_IN_COUNT_MASK (0xff << 8) > -#define BLM_PHASE_IN_INCR_SHIFT (0) > -#define BLM_PHASE_IN_INCR_MASK (0xff << 0) > -#define BLC_PWM_CTL _MMIO(DISPLAY_MMIO_BASE(dev_priv) + > 0x61254) > -/* > - * This is the most significant 15 bits of the number of backlight cycles in > a > - * complete cycle of the modulated backlight control. > - * > - * The actual value is this field multiplied by two. > - */ > -#define BACKLIGHT_MODULATION_FREQ_SHIFT (17) > -#define BACKLIGHT_MODULATION_FREQ_MASK (0x7fff << 17) > -#define BLM_LEGACY_MODE (1 << 16) /* gen2 only */ > -/* > - * This is the number of cycles out of the backlight modulation cycle for > which > - * the backlight is on. > - * > - * This field must be no greater than the number of cycles in the complete > - * backlight modulation cycle. > - */ > -#define BACKLIGHT_DUTY_CYCLE_SHIFT (0) > -#define BACKLIGHT_DUTY_CYCLE_MASK (0xffff) > -#define BACKLIGHT_DUTY_CYCLE_MASK_PNV (0xfffe) > -#define BLM_POLARITY_PNV (1 << 0) /* pnv only */ > - > -#define BLC_HIST_CTL _MMIO(DISPLAY_MMIO_BASE(dev_priv) + 0x61260) > -#define BLM_HISTOGRAM_ENABLE (1 << 31) > - > -/* New registers for PCH-split platforms. Safe where new bits show up, the > - * register layout machtes with gen4 BLC_PWM_CTL[12]. */ > -#define BLC_PWM_CPU_CTL2 _MMIO(0x48250) > -#define BLC_PWM_CPU_CTL _MMIO(0x48254) > - > -#define HSW_BLC_PWM2_CTL _MMIO(0x48350) > - > -/* PCH CTL1 is totally different, all but the below bits are reserved. CTL2 > is > - * like the normal CTL from gen4 and earlier. Hooray for confusing naming. > */ > -#define BLC_PWM_PCH_CTL1 _MMIO(0xc8250) > -#define BLM_PCH_PWM_ENABLE (1 << 31) > -#define BLM_PCH_OVERRIDE_ENABLE (1 << 30) > -#define BLM_PCH_POLARITY (1 << 29) > -#define BLC_PWM_PCH_CTL2 _MMIO(0xc8254) > - > -#define UTIL_PIN_CTL _MMIO(0x48400) > -#define UTIL_PIN_ENABLE (1 << 31) > -#define UTIL_PIN_PIPE_MASK (3 << 29) > -#define UTIL_PIN_PIPE(x) ((x) << 29) > -#define UTIL_PIN_MODE_MASK (0xf << 24) > -#define UTIL_PIN_MODE_DATA (0 << 24) > -#define UTIL_PIN_MODE_PWM (1 << 24) > -#define UTIL_PIN_MODE_VBLANK (4 << 24) > -#define UTIL_PIN_MODE_VSYNC (5 << 24) > -#define UTIL_PIN_MODE_EYE_LEVEL (8 << 24) > -#define UTIL_PIN_OUTPUT_DATA (1 << 23) > -#define UTIL_PIN_POLARITY (1 << 22) > -#define UTIL_PIN_DIRECTION_INPUT (1 << 19) > -#define UTIL_PIN_INPUT_DATA (1 << 16) > - > -/* BXT backlight register definition. */ > -#define _BXT_BLC_PWM_CTL1 0xC8250 > -#define BXT_BLC_PWM_ENABLE (1 << 31) > -#define BXT_BLC_PWM_POLARITY (1 << 29) > -#define _BXT_BLC_PWM_FREQ1 0xC8254 > -#define _BXT_BLC_PWM_DUTY1 0xC8258 > - > -#define _BXT_BLC_PWM_CTL2 0xC8350 > -#define _BXT_BLC_PWM_FREQ2 0xC8354 > -#define _BXT_BLC_PWM_DUTY2 0xC8358 > - > -#define BXT_BLC_PWM_CTL(controller) _MMIO_PIPE(controller, > \ > - _BXT_BLC_PWM_CTL1, > _BXT_BLC_PWM_CTL2) > -#define BXT_BLC_PWM_FREQ(controller) _MMIO_PIPE(controller, \ > - _BXT_BLC_PWM_FREQ1, > _BXT_BLC_PWM_FREQ2) > -#define BXT_BLC_PWM_DUTY(controller) _MMIO_PIPE(controller, \ > - _BXT_BLC_PWM_DUTY1, > _BXT_BLC_PWM_DUTY2) > - > #define PCH_GTC_CTL _MMIO(0xe7000) > #define PCH_GTC_ENABLE (1 << 31) > > diff --git a/drivers/gpu/drm/i915/intel_gvt_mmio_table.c > b/drivers/gpu/drm/i915/intel_gvt_mmio_table.c > index 157e166672d7..e015bc91a26f 100644 > --- a/drivers/gpu/drm/i915/intel_gvt_mmio_table.c > +++ b/drivers/gpu/drm/i915/intel_gvt_mmio_table.c > @@ -4,6 +4,7 @@ > */ > > #include "display/intel_audio_regs.h" > +#include "display/intel_backlight_regs.h" > #include "display/intel_dmc_regs.h" > #include "display/vlv_dsi_pll_regs.h" > #include "gt/intel_gt_regs.h" > -- > 2.34.1
