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drm/i915/color: Fix formatting issues
Fixed few formatting issues in multi-segmented load_lut(). v3: -style nitting [Jani] -balanced parentheses moved from patch 2 to 1 [Jani] -subject prefix change [Jani] -added commit message [Jani] v4: -rearranged INDEX register write in ilk_read_luts() Signed-off-by: Swati Sharma <swati2.sharma@intel.com> Signed-off-by: Jani Nikula <jani.nikula@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/1569096654-24433-2-git-send-email-swati2.sharma@intel.com
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@ -823,11 +823,11 @@ icl_program_gamma_superfine_segment(const struct intel_crtc_state *crtc_state)
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u32 i;
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u32 i;
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/*
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/*
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* Every entry in the multi-segment LUT is corresponding to a superfine
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* Program Super Fine segment (let's call it seg1)...
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* segment step which is 1/(8 * 128 * 256).
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*
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*
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* Superfine segment has 9 entries, corresponding to values
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* Super Fine segment's step is 1/(8 * 128 * 256) and it has
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* 0, 1/(8 * 128 * 256), 2/(8 * 128 * 256) .... 8/(8 * 128 * 256).
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* 9 entries, corresponding to values 0, 1/(8 * 128 * 256),
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* 2/(8 * 128 * 256) ... 8/(8 * 128 * 256).
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*/
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*/
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I915_WRITE(PREC_PAL_MULTI_SEG_INDEX(pipe), PAL_PREC_AUTO_INCREMENT);
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I915_WRITE(PREC_PAL_MULTI_SEG_INDEX(pipe), PAL_PREC_AUTO_INCREMENT);
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@ -853,17 +853,17 @@ icl_program_gamma_multi_segment(const struct intel_crtc_state *crtc_state)
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u32 i;
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u32 i;
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/*
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/*
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*
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* Program Fine segment (let's call it seg2)...
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* Program Fine segment (let's call it seg2)...
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*
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*
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* Fine segment's step is 1/(128 * 256) ie 1/(128 * 256), 2/(128*256)
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* Fine segment's step is 1/(128 * 256) i.e. 1/(128 * 256), 2/(128 * 256)
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* ... 256/(128*256). So in order to program fine segment of LUT we
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* ... 256/(128 * 256). So in order to program fine segment of LUT we
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* need to pick every 8'th entry in LUT, and program 256 indexes.
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* need to pick every 8th entry in the LUT, and program 256 indexes.
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*
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*
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* PAL_PREC_INDEX[0] and PAL_PREC_INDEX[1] map to seg2[1],
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* PAL_PREC_INDEX[0] and PAL_PREC_INDEX[1] map to seg2[1],
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* with seg2[0] being unused by the hardware.
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* seg2[0] being unused by the hardware.
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*/
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*/
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I915_WRITE(PREC_PAL_INDEX(pipe), PAL_PREC_AUTO_INCREMENT);
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I915_WRITE(PREC_PAL_INDEX(pipe), PAL_PREC_AUTO_INCREMENT);
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for (i = 1; i < 257; i++) {
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for (i = 1; i < 257; i++) {
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entry = &lut[i * 8];
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entry = &lut[i * 8];
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I915_WRITE(PREC_PAL_DATA(pipe), ilk_lut_12p4_ldw(entry));
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I915_WRITE(PREC_PAL_DATA(pipe), ilk_lut_12p4_ldw(entry));
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@ -873,8 +873,8 @@ icl_program_gamma_multi_segment(const struct intel_crtc_state *crtc_state)
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/*
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/*
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* Program Coarse segment (let's call it seg3)...
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* Program Coarse segment (let's call it seg3)...
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*
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*
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* Coarse segment's starts from index 0 and it's step is 1/256 ie 0,
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* Coarse segment starts from index 0 and it's step is 1/256 ie 0,
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* 1/256, 2/256 ...256/256. As per the description of each entry in LUT
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* 1/256, 2/256 ... 256/256. As per the description of each entry in LUT
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* above, we need to pick every (8 * 128)th entry in LUT, and
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* above, we need to pick every (8 * 128)th entry in LUT, and
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* program 256 of those.
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* program 256 of those.
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*
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*
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@ -906,12 +906,10 @@ static void icl_load_luts(const struct intel_crtc_state *crtc_state)
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case GAMMA_MODE_MODE_8BIT:
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case GAMMA_MODE_MODE_8BIT:
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i9xx_load_luts(crtc_state);
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i9xx_load_luts(crtc_state);
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break;
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break;
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case GAMMA_MODE_MODE_12BIT_MULTI_SEGMENTED:
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case GAMMA_MODE_MODE_12BIT_MULTI_SEGMENTED:
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icl_program_gamma_superfine_segment(crtc_state);
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icl_program_gamma_superfine_segment(crtc_state);
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icl_program_gamma_multi_segment(crtc_state);
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icl_program_gamma_multi_segment(crtc_state);
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break;
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break;
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default:
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default:
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bdw_load_lut_10(crtc, gamma_lut, PAL_PREC_INDEX_VALUE(0));
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bdw_load_lut_10(crtc, gamma_lut, PAL_PREC_INDEX_VALUE(0));
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ivb_load_lut_ext_max(crtc);
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ivb_load_lut_ext_max(crtc);
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@ -1743,9 +1741,6 @@ glk_read_lut_10(const struct intel_crtc_state *crtc_state, u32 prec_index)
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struct drm_color_lut *blob_data;
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struct drm_color_lut *blob_data;
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u32 i, val;
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u32 i, val;
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I915_WRITE(PREC_PAL_INDEX(pipe), prec_index |
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PAL_PREC_AUTO_INCREMENT);
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blob = drm_property_create_blob(&dev_priv->drm,
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blob = drm_property_create_blob(&dev_priv->drm,
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sizeof(struct drm_color_lut) * hw_lut_size,
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sizeof(struct drm_color_lut) * hw_lut_size,
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NULL);
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NULL);
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@ -1754,6 +1749,9 @@ glk_read_lut_10(const struct intel_crtc_state *crtc_state, u32 prec_index)
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blob_data = blob->data;
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blob_data = blob->data;
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I915_WRITE(PREC_PAL_INDEX(pipe), prec_index |
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PAL_PREC_AUTO_INCREMENT);
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for (i = 0; i < hw_lut_size; i++) {
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for (i = 0; i < hw_lut_size; i++) {
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val = I915_READ(PREC_PAL_DATA(pipe));
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val = I915_READ(PREC_PAL_DATA(pipe));
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@ -1819,16 +1817,16 @@ void intel_color_init(struct intel_crtc *crtc)
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else
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else
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dev_priv->display.color_commit = ilk_color_commit;
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dev_priv->display.color_commit = ilk_color_commit;
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if (INTEL_GEN(dev_priv) >= 11)
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if (INTEL_GEN(dev_priv) >= 11) {
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dev_priv->display.load_luts = icl_load_luts;
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dev_priv->display.load_luts = icl_load_luts;
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else if (IS_CANNONLAKE(dev_priv) || IS_GEMINILAKE(dev_priv)) {
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} else if (IS_CANNONLAKE(dev_priv) || IS_GEMINILAKE(dev_priv)) {
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dev_priv->display.load_luts = glk_load_luts;
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dev_priv->display.load_luts = glk_load_luts;
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dev_priv->display.read_luts = glk_read_luts;
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dev_priv->display.read_luts = glk_read_luts;
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} else if (INTEL_GEN(dev_priv) >= 8)
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} else if (INTEL_GEN(dev_priv) >= 8) {
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dev_priv->display.load_luts = bdw_load_luts;
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dev_priv->display.load_luts = bdw_load_luts;
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else if (INTEL_GEN(dev_priv) >= 7)
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} else if (INTEL_GEN(dev_priv) >= 7) {
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dev_priv->display.load_luts = ivb_load_luts;
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dev_priv->display.load_luts = ivb_load_luts;
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else {
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} else {
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dev_priv->display.load_luts = ilk_load_luts;
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dev_priv->display.load_luts = ilk_load_luts;
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dev_priv->display.read_luts = ilk_read_luts;
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dev_priv->display.read_luts = ilk_read_luts;
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}
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}
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