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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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8
drivers/gpu/drm/i915/intel_fbdev.c
View File

@@ -379,6 +379,7 @@ retry:
struct drm_connector *connector;
struct drm_encoder *encoder;
struct drm_fb_helper_crtc *new_crtc;
struct intel_crtc *intel_crtc;
fb_conn = fb_helper->connector_info[i];
connector = fb_conn->connector;
@@ -420,6 +421,13 @@ retry:
num_connectors_enabled++;
intel_crtc = to_intel_crtc(connector->state->crtc);
for (j = 0; j < 256; j++) {
intel_crtc->lut_r[j] = j;
intel_crtc->lut_g[j] = j;
intel_crtc->lut_b[j] = j;
}
new_crtc = intel_fb_helper_crtc(fb_helper, connector->state->crtc);
/*