diff options
Diffstat (limited to '0006-drm-i915-dp-Add-register-definitions-for-Intel-HDR-b.patch')
| -rw-r--r-- | 0006-drm-i915-dp-Add-register-definitions-for-Intel-HDR-b.patch | 88 |
1 files changed, 88 insertions, 0 deletions
diff --git a/0006-drm-i915-dp-Add-register-definitions-for-Intel-HDR-b.patch b/0006-drm-i915-dp-Add-register-definitions-for-Intel-HDR-b.patch new file mode 100644 index 000000000000..17716498406d --- /dev/null +++ b/0006-drm-i915-dp-Add-register-definitions-for-Intel-HDR-b.patch @@ -0,0 +1,88 @@ +From ce0861d0336749a66d49a0d35e6f90265b8c7499 Mon Sep 17 00:00:00 2001 +From: Lyude Paul <lyude@redhat.com> +Date: Fri, 4 Dec 2020 17:36:00 -0500 +Subject: [PATCH 06/10] drm/i915/dp: Add register definitions for Intel HDR + backlight interface + +No functional changes yet, this just adds definitions for all of the +known DPCD registers used by Intel's HDR backlight interface. Since +we'll only ever use this in i915, we just define them in +intel_dp_aux_backlight.c + +Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com> +Signed-off-by: Lyude Paul <lyude@redhat.com> +Cc: thaytan@noraisin.net +Cc: Vasily Khoruzhick <anarsoul@gmail.com> +Signed-off-by: Jani Nikula <jani.nikula@intel.com> +Link: https://patchwork.freedesktop.org/patch/msgid/20201204223603.249878-7-lyude@redhat.com +--- + .../drm/i915/display/intel_dp_aux_backlight.c | 53 +++++++++++++++++++ + 1 file changed, 53 insertions(+) + +diff --git a/drivers/gpu/drm/i915/display/intel_dp_aux_backlight.c b/drivers/gpu/drm/i915/display/intel_dp_aux_backlight.c +index ec47cd69cd69..2271d75f946a 100644 +--- a/drivers/gpu/drm/i915/display/intel_dp_aux_backlight.c ++++ b/drivers/gpu/drm/i915/display/intel_dp_aux_backlight.c +@@ -25,6 +25,59 @@ + #include "intel_display_types.h" + #include "intel_dp_aux_backlight.h" + ++/* ++ * DP AUX registers for Intel's proprietary HDR backlight interface. We define ++ * them here since we'll likely be the only driver to ever use these. ++ */ ++#define INTEL_EDP_HDR_TCON_CAP0 0x340 ++ ++#define INTEL_EDP_HDR_TCON_CAP1 0x341 ++# define INTEL_EDP_HDR_TCON_2084_DECODE_CAP BIT(0) ++# define INTEL_EDP_HDR_TCON_2020_GAMUT_CAP BIT(1) ++# define INTEL_EDP_HDR_TCON_TONE_MAPPING_CAP BIT(2) ++# define INTEL_EDP_HDR_TCON_SEGMENTED_BACKLIGHT_CAP BIT(3) ++# define INTEL_EDP_HDR_TCON_BRIGHTNESS_NITS_CAP BIT(4) ++# define INTEL_EDP_HDR_TCON_OPTIMIZATION_CAP BIT(5) ++# define INTEL_EDP_HDR_TCON_SDP_COLORIMETRY_CAP BIT(6) ++# define INTEL_EDP_HDR_TCON_SRGB_TO_PANEL_GAMUT_CONVERSION_CAP BIT(7) ++ ++#define INTEL_EDP_HDR_TCON_CAP2 0x342 ++# define INTEL_EDP_SDR_TCON_BRIGHTNESS_AUX_CAP BIT(0) ++ ++#define INTEL_EDP_HDR_TCON_CAP3 0x343 ++ ++#define INTEL_EDP_HDR_GETSET_CTRL_PARAMS 0x344 ++# define INTEL_EDP_HDR_TCON_2084_DECODE_ENABLE BIT(0) ++# define INTEL_EDP_HDR_TCON_2020_GAMUT_ENABLE BIT(1) ++# define INTEL_EDP_HDR_TCON_TONE_MAPPING_ENABLE BIT(2) /* Pre-TGL+ */ ++# define INTEL_EDP_HDR_TCON_SEGMENTED_BACKLIGHT_ENABLE BIT(3) ++# define INTEL_EDP_HDR_TCON_BRIGHTNESS_AUX_ENABLE BIT(4) ++# define INTEL_EDP_HDR_TCON_SRGB_TO_PANEL_GAMUT_ENABLE BIT(5) ++/* Bit 6 is reserved */ ++# define INTEL_EDP_HDR_TCON_SDP_COLORIMETRY_ENABLE BIT(7) ++ ++#define INTEL_EDP_HDR_CONTENT_LUMINANCE 0x346 /* Pre-TGL+ */ ++#define INTEL_EDP_HDR_PANEL_LUMINANCE_OVERRIDE 0x34A ++#define INTEL_EDP_SDR_LUMINANCE_LEVEL 0x352 ++#define INTEL_EDP_BRIGHTNESS_NITS_LSB 0x354 ++#define INTEL_EDP_BRIGHTNESS_NITS_MSB 0x355 ++#define INTEL_EDP_BRIGHTNESS_DELAY_FRAMES 0x356 ++#define INTEL_EDP_BRIGHTNESS_PER_FRAME_STEPS 0x357 ++ ++#define INTEL_EDP_BRIGHTNESS_OPTIMIZATION_0 0x358 ++# define INTEL_EDP_TCON_USAGE_MASK GENMASK(0, 3) ++# define INTEL_EDP_TCON_USAGE_UNKNOWN 0x0 ++# define INTEL_EDP_TCON_USAGE_DESKTOP 0x1 ++# define INTEL_EDP_TCON_USAGE_FULL_SCREEN_MEDIA 0x2 ++# define INTEL_EDP_TCON_USAGE_FULL_SCREEN_GAMING 0x3 ++# define INTEL_EDP_TCON_POWER_MASK BIT(4) ++# define INTEL_EDP_TCON_POWER_DC (0 << 4) ++# define INTEL_EDP_TCON_POWER_AC (1 << 4) ++# define INTEL_EDP_TCON_OPTIMIZATION_STRENGTH_MASK GENMASK(5, 7) ++ ++#define INTEL_EDP_BRIGHTNESS_OPTIMIZATION_1 0x359 ++ ++/* VESA backlight callbacks */ + static void set_vesa_backlight_enable(struct intel_dp *intel_dp, bool enable) + { + struct drm_i915_private *i915 = dp_to_i915(intel_dp); +-- +2.29.2 + |