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drm/i915: Implement color management on bdw/skl/bxt/kbl

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Patch based on a previous series by Shashank Sharma.

v2: Do not read GAMMA_MODE register to figure what mode we're in

v3: Program PREC_PAL_GC_MAX to clamp pixel values > 1.0

    Add documentation on how the Broadcast RGB property is affected by CTM

v4: Update contributors

v5: Refactor degamma/gamma LUTs load into a single function

v6: Fix missing intel_crtc variable (bisect issue)

v7: Fix & simplify limited range matrix multiplication (Matt Roper's
    comment)

Signed-off-by: Shashank Sharma <shashank.sharma@intel.com>
Signed-off-by: Kumar, Kiran S <kiran.s.kumar@intel.com>
Signed-off-by: Kausal Malladi <kausalmalladi@gmail.com>
Signed-off-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Acknowledged-by: Matt Roper <matthew.d.roper@intel.com>
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1458125837-2576-4-git-send-email-lionel.g.landwerlin@intel.com
This commit is contained in:
Lionel Landwerlin
2016-03-16 10:57:16 +00:00
committed by Matt Roper
parent 05dc698c2e
commit 82cf435b31
8 changed files with 369 additions and 63 deletions
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6
drivers/gpu/drm/i915/i915_drv.h
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@@ -630,6 +630,7 @@ struct drm_i915_display_funcs {
/* display clock increase/decrease */
/* pll clock increase/decrease */
void (*load_csc_matrix)(struct drm_crtc *crtc);
void (*load_luts)(struct drm_crtc *crtc);
};
@@ -781,6 +782,11 @@ struct intel_device_info {
u8 has_slice_pg:1;
u8 has_subslice_pg:1;
u8 has_eu_pg:1;
struct color_luts {
u16 degamma_lut_size;
u16 gamma_lut_size;
} color;
};
#undef DEFINE_FLAG