From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
This defines the color lut ranges for 10bit and multi
segmented gamma range for ICL.
Signed-off-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
Signed-off-by: Uma Shankar <uma.shankar@xxxxxxxxx>
---
drivers/gpu/drm/i915/intel_color.c | 301 ++++++++++++++++++++++++++++++++++++-
1 file changed, 297 insertions(+), 4 deletions(-)
diff --git a/drivers/gpu/drm/i915/intel_color.c b/drivers/gpu/drm/i915/intel_color.c
index f2907cf..84d93ec 100644
--- a/drivers/gpu/drm/i915/intel_color.c
+++ b/drivers/gpu/drm/i915/intel_color.c
@@ -1083,9 +1083,279 @@ static int icl_color_check(struct intel_crtc_state *crtc_state)
return 0;
}
+enum {
+ I9XX_LUT_SIZE_8BIT = 256,
+ I9XX_LUT_SIZE_10BIT = 129,
+
+ ILK_LUT_SIZE_10BIT = 1024,
+ ILK_LUT_SIZE_12BIT = 513,
+
+ IVB_LUT_SIZE_SPLIT = 512,
+
+ CHV_LUT_SIZE_CGM_DEGAMMA = 65,
+ CHV_LUT_SIZE_CGM_GAMMA = 257,
+};
+
+#define I9XX_GAMMA_8 \
+ { \
+ .flags = DRM_MODE_LUT_GAMMA, \
+ .count = 256, \
+ .input_bpc = 8, .output_bpc = 8, \
+ .start = 0, .end = (1 << 8) - 1, \
+ .min = 0, .max = (1 << 8) - 1, \
+ }
+
+static const struct drm_color_lut_range i9xx_gamma_8[] = {
+ I9XX_GAMMA_8,
+};
+
+static const struct drm_color_lut_range i9xx_gamma_10_slope[] = {
+ {
+ .flags = (DRM_MODE_LUT_GAMMA |
+ DRM_MODE_LUT_INTERPOLATE |
+ DRM_MODE_LUT_NON_DECREASING),
+ .count = 129,
+ .input_bpc = 10, .output_bpc = 10,
+ .start = 0, .end = 1 << 10,
+ .min = 0, .max = (1 << 10) - 1,
+ },
+};
+
+#define I965_GAMMA_10 \
+ { \
+ .flags = (DRM_MODE_LUT_GAMMA | \
+ DRM_MODE_LUT_INTERPOLATE | \
+ DRM_MODE_LUT_NON_DECREASING), \
+ .count = 128, \
+ .input_bpc = 10, .output_bpc = 16, \
+ .start = 0, .end = (1 << 10) - (1 << 10) / 128, \
+ .min = 0, .max = (1 << 16) - 1, \
+ }, \
+ /* PIPEGCMAX */ \
+ { \
+ .flags = (DRM_MODE_LUT_GAMMA | \
+ DRM_MODE_LUT_INTERPOLATE | \
+ DRM_MODE_LUT_REUSE_LAST | \
+ DRM_MODE_LUT_NON_DECREASING), \
+ .count = 1, \
+ .input_bpc = 10, .output_bpc = 16, \
+ .start = (1 << 10) - (1 << 10) / 128, .end = 1 << 10, \
+ .min = 0, .max = 1 << 16, \
+ }
+
+static const struct drm_color_lut_range i965_gamma_10[] = {
+ I965_GAMMA_10,
+};
+
+static const struct drm_color_lut_range ilk_gamma_degamma_8[] = {
+ {
+ .flags = (DRM_MODE_LUT_GAMMA |
+ DRM_MODE_LUT_DEGAMMA),
+ .count = 256,
+ .input_bpc = 8, .output_bpc = 8,
+ .start = 0, .end = (1 << 8) - 1,
+ .min = 0, .max = (1 << 8) - 1,
+ },
+};
+
+static const struct drm_color_lut_range ilk_gamma_degamma_10[] = {
+ {
+ .flags = (DRM_MODE_LUT_GAMMA |
+ DRM_MODE_LUT_DEGAMMA),
+ .count = 1024,
+ .input_bpc = 10, .output_bpc = 10,
+ .start = 0, .end = (1 << 10) - 1,
+ .min = 0, .max = (1 << 10) - 1,
+ },
+};
+
+static const struct drm_color_lut_range ilk_gamma_degamma_12p4[] = {
+ {
+ .flags = (DRM_MODE_LUT_GAMMA |
+ DRM_MODE_LUT_DEGAMMA |
+ DRM_MODE_LUT_INTERPOLATE |
+ DRM_MODE_LUT_NON_DECREASING),
+ .count = 512,
+ .input_bpc = 12, .output_bpc = 16,
+ .start = 0, .end = (1 << 12) - (1 << 12) / 512,
+ .min = 0, .max = (1 << 16) - 1,
+ },
+ /* PIPEGCMAX */
+ {
+ .flags = (DRM_MODE_LUT_GAMMA |
+ DRM_MODE_LUT_DEGAMMA |
+ DRM_MODE_LUT_INTERPOLATE |
+ DRM_MODE_LUT_REUSE_LAST |
+ DRM_MODE_LUT_NON_DECREASING),
+ .count = 1,
+ .input_bpc = 10, .output_bpc = 16,
+ .start = (1 << 12) - (1 << 12) / 512, .end = 1 << 12,
+ .min = 0, .max = 1 << 16,
+ },
+};
+
+static const struct drm_color_lut_range glk_gamma_10[] = {
+ {
+ .flags = (DRM_MODE_LUT_GAMMA |
+ DRM_MODE_LUT_REFLECT_NEGATIVE),
+ .count = 1024,
+ .input_bpc = 10, .output_bpc = 10,
+ .start = 0, .end = (1 << 10) - 1,
+ .min = 0, .max = (1 << 10) - 1,
+ },
+ /* PAL_EXT_GC_MAX */
+ {
+ .flags = (DRM_MODE_LUT_GAMMA |
+ DRM_MODE_LUT_REFLECT_NEGATIVE |
+ DRM_MODE_LUT_INTERPOLATE |
+ DRM_MODE_LUT_REUSE_LAST |
+ DRM_MODE_LUT_NON_DECREASING),
+ .count = 1,
+ .input_bpc = 10, .output_bpc = 16,
+ .start = 1 << 10, .end = 3 << 10,
+ .min = 0, .max = (8 << 16) - 1,
+ },
+ /* PAL_EXT2_GC_MAX */
+ {
+ .flags = (DRM_MODE_LUT_GAMMA |
+ DRM_MODE_LUT_REFLECT_NEGATIVE |
+ DRM_MODE_LUT_INTERPOLATE |
+ DRM_MODE_LUT_REUSE_LAST |
+ DRM_MODE_LUT_NON_DECREASING),
+ .count = 1,
+ .input_bpc = 10, .output_bpc = 16,
+ .start = 3 << 12, .end = 7 << 12,
+ .min = 0, .max = (8 << 16) - 1,
+ },
+};
+
+/* FIXME input bpc? */
+static const struct drm_color_lut_range glk_gamma_12p4[] = {
+ {
+ .flags = (DRM_MODE_LUT_GAMMA |
+ DRM_MODE_LUT_REFLECT_NEGATIVE |
+ DRM_MODE_LUT_INTERPOLATE |
+ DRM_MODE_LUT_NON_DECREASING),
+ .count = 512,
+ .input_bpc = 16, .output_bpc = 16,
+ .start = 0, .end = (1 << 16) - (1 << 16) / 512,
+ .min = 0, .max = (1 << 16) - 1,
+ },
+ /* PAL_GC_MAX */
+ {
+ .flags = (DRM_MODE_LUT_GAMMA |
+ DRM_MODE_LUT_REFLECT_NEGATIVE |
+ DRM_MODE_LUT_INTERPOLATE |
+ DRM_MODE_LUT_REUSE_LAST |
+ DRM_MODE_LUT_NON_DECREASING),
+ .count = 1,
+ .input_bpc = 16, .output_bpc = 16,
+ .start = (1 << 16) - (1 << 16) / 512, .end = 1 << 16,
+ .min = 0, .max = 1 << 16,
+ },
+ /* PAL_EXT_GC_MAX */
+ {
+ .flags = (DRM_MODE_LUT_GAMMA |
+ DRM_MODE_LUT_REFLECT_NEGATIVE |
+ DRM_MODE_LUT_INTERPOLATE |
+ DRM_MODE_LUT_REUSE_LAST |
+ DRM_MODE_LUT_NON_DECREASING),
+ .count = 1,
+ .input_bpc = 16, .output_bpc = 16,
+ .start = 1 << 16, .end = 3 << 16,
+ .min = 0, .max = (8 << 16) - 1,
+ },
+ /* PAL_EXT2_GC_MAX */
+ {
+ .flags = (DRM_MODE_LUT_GAMMA |
+ DRM_MODE_LUT_REFLECT_NEGATIVE |
+ DRM_MODE_LUT_INTERPOLATE |
+ DRM_MODE_LUT_REUSE_LAST |
+ DRM_MODE_LUT_NON_DECREASING),
+ .count = 1,
+ .input_bpc = 16, .output_bpc = 16,
+ .start = 3 << 16, .end = 7 << 16,
+ .min = 0, .max = (8 << 16) - 1,
+ },
+};
+
+ /* FIXME input bpc? */
+static const struct drm_color_lut_range icl_multi_seg_gamma[] = {
+ /* segment 1 aka. super fine segment */
+ {
+ .flags = (DRM_MODE_LUT_GAMMA |
+ DRM_MODE_LUT_REFLECT_NEGATIVE |
+ DRM_MODE_LUT_INTERPOLATE |
+ DRM_MODE_LUT_NON_DECREASING),
+ .count = 9,
+ .input_bpc = 24, .output_bpc = 16,
+ .start = 0, .end = (1 << 24) / (128 * 256),
+ .min = 0, .max = (1 << 16) - 1,
+ },
+ /* segment 2 aka. fine segment */
+ {
+ .flags = (DRM_MODE_LUT_GAMMA |
+ DRM_MODE_LUT_REFLECT_NEGATIVE |
+ DRM_MODE_LUT_INTERPOLATE |
+ DRM_MODE_LUT_NON_DECREASING),
+ .count = 257,
+ .input_bpc = 24, .output_bpc = 16,
+ .start = 0, .end = (1 << 24) / 128,
+ .min = 0, .max = (1 << 16) - 1,
+ },
+ /* segment 3 aka. coarse segment */
+ {
+ .flags = (DRM_MODE_LUT_GAMMA |
+ DRM_MODE_LUT_REFLECT_NEGATIVE |
+ DRM_MODE_LUT_INTERPOLATE |
+ DRM_MODE_LUT_NON_DECREASING),
+ .count = 257,
+ .input_bpc = 24, .output_bpc = 16,
+ .start = 0, .end = (1 << 24) - (1 << 24) / 256,
+ .min = 0, .max = (1 << 16) - 1,
+ },
+ /* segment 3 aka. coarse segment / PAL_GC_MAX */
+ {
+ .flags = (DRM_MODE_LUT_GAMMA |
+ DRM_MODE_LUT_REFLECT_NEGATIVE |
+ DRM_MODE_LUT_INTERPOLATE |
+ DRM_MODE_LUT_REUSE_LAST |
+ DRM_MODE_LUT_NON_DECREASING),
+ .count = 1,
+ .input_bpc = 24, .output_bpc = 16,
+ .start = (1 << 24) - (1 << 24) / 256, .end = 1 << 24,
+ .min = 0, .max = 1 << 16,
+ },
+ /* PAL_EXT_GC_MAX */
+ {
+ .flags = (DRM_MODE_LUT_GAMMA |
+ DRM_MODE_LUT_REFLECT_NEGATIVE |
+ DRM_MODE_LUT_INTERPOLATE |
+ DRM_MODE_LUT_REUSE_LAST |
+ DRM_MODE_LUT_NON_DECREASING),
+ .count = 1,
+ .input_bpc = 24, .output_bpc = 16,
+ .start = 1 << 24, .end = 3 << 24,
+ .min = 0, .max = (8 << 16) - 1,
+ },
+ /* PAL_EXT2_GC_MAX */
+ {
+ .flags = (DRM_MODE_LUT_GAMMA |
+ DRM_MODE_LUT_REFLECT_NEGATIVE |
+ DRM_MODE_LUT_INTERPOLATE |
+ DRM_MODE_LUT_REUSE_LAST |
+ DRM_MODE_LUT_NON_DECREASING),
+ .count = 1,
+ .input_bpc = 24, .output_bpc = 16,
+ .start = 3 << 24, .end = 7 << 24,
+ .min = 0, .max = (8 << 16) - 1,
+ },
+};
+
void intel_color_init(struct intel_crtc *crtc)
{
struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
+ int degamma_lut_size, gamma_lut_size;
drm_mode_crtc_set_gamma_size(&crtc->base, 256);
@@ -1100,14 +1370,37 @@ void intel_color_init(struct intel_crtc *crtc)
dev_priv->display.load_luts = i9xx_load_luts;
}
} else {
- if (INTEL_GEN(dev_priv) >= 11)
+ if (INTEL_GEN(dev_priv) >= 11) {
dev_priv->display.color_check = icl_color_check;
- else if (INTEL_GEN(dev_priv) >= 10 || IS_GEMINILAKE(dev_priv))
+
+ /* don't advertize the >= 1.0 entries */
+ degamma_lut_size = 0;
+ gamma_lut_size = ILK_LUT_SIZE_10BIT;
+
+ drm_color_add_gamma_mode_range(&dev_priv->drm,
+ "8bit gamma",
+ i9xx_gamma_8,
+ sizeof(i9xx_gamma_8));
+ drm_color_add_gamma_mode_range(&dev_priv->drm,
+ "10bit gamma",
+ glk_gamma_10,
+ sizeof(glk_gamma_10));
+ drm_color_add_gamma_mode_range(&dev_priv->drm,
+ "interpolated gamma",
+ glk_gamma_12p4,
+ sizeof(glk_gamma_12p4));
+ drm_color_add_gamma_mode_range(&dev_priv->drm,
+ "multi-segmented gamma",
+ icl_multi_seg_gamma,
+ sizeof(icl_multi_seg_gamma));
+ } else if (INTEL_GEN(dev_priv) >= 10 ||
+ IS_GEMINILAKE(dev_priv)) {
dev_priv->display.color_check = glk_color_check;
- else if (INTEL_GEN(dev_priv) >= 8)
+ } else if (INTEL_GEN(dev_priv) >= 8) {
dev_priv->display.color_check = bdw_color_check;
- else
+ } else {
dev_priv->display.color_check = ilk_color_check;
+ }
if (INTEL_GEN(dev_priv) >= 9)
dev_priv->display.color_commit = skl_color_commit;
--
1.9.1
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