diff options
author | Ville Syrjälä <ville.syrjala@linux.intel.com> | 2019-03-27 17:50:36 +0200 |
---|---|---|
committer | Ville Syrjälä <ville.syrjala@linux.intel.com> | 2019-03-28 21:29:53 +0200 |
commit | e0510da051920e6edbfdff1305b85d6c1e209a1b (patch) | |
tree | 24f57e74c191764816d1c89f7727729136ccc572 | |
parent | a01b2c6f47d86c7d1a9fa822b3b91ec233b61784 (diff) |
drm/i915: Extract check_luts()
In prepartion for per-platform color_check() functions extract the
common code into a separate function.
v2: Improve the C8 comment (Matt)
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190327155045.28446-2-ville.syrjala@linux.intel.com
-rw-r--r-- | drivers/gpu/drm/i915/intel_color.c | 68 |
1 files changed, 40 insertions, 28 deletions
diff --git a/drivers/gpu/drm/i915/intel_color.c b/drivers/gpu/drm/i915/intel_color.c index 467fd1a1630c..5d1bf68646b4 100644 --- a/drivers/gpu/drm/i915/intel_color.c +++ b/drivers/gpu/drm/i915/intel_color.c @@ -771,6 +771,38 @@ static int check_lut_size(const struct drm_property_blob *lut, int expected) return 0; } +static int check_luts(const struct intel_crtc_state *crtc_state) +{ + struct drm_i915_private *dev_priv = to_i915(crtc_state->base.crtc->dev); + const struct drm_property_blob *gamma_lut = crtc_state->base.gamma_lut; + const struct drm_property_blob *degamma_lut = crtc_state->base.degamma_lut; + int gamma_length, degamma_length; + u32 gamma_tests, degamma_tests; + + /* Always allow legacy gamma LUT with no further checking. */ + if (crtc_state_is_legacy_gamma(crtc_state)) + return 0; + + /* C8 relies on its palette being stored in the legacy LUT */ + if (crtc_state->c8_planes) + return -EINVAL; + + degamma_length = INTEL_INFO(dev_priv)->color.degamma_lut_size; + gamma_length = INTEL_INFO(dev_priv)->color.gamma_lut_size; + degamma_tests = INTEL_INFO(dev_priv)->color.degamma_lut_tests; + gamma_tests = INTEL_INFO(dev_priv)->color.gamma_lut_tests; + + if (check_lut_size(degamma_lut, degamma_length) || + check_lut_size(gamma_lut, gamma_length)) + return -EINVAL; + + if (drm_color_lut_check(degamma_lut, degamma_tests) || + drm_color_lut_check(gamma_lut, gamma_tests)) + return -EINVAL; + + return 0; +} + static u32 chv_cgm_mode(const struct intel_crtc_state *crtc_state) { u32 cgm_mode = 0; @@ -794,19 +826,11 @@ int intel_color_check(struct intel_crtc_state *crtc_state) const struct drm_property_blob *gamma_lut = crtc_state->base.gamma_lut; const struct drm_property_blob *degamma_lut = crtc_state->base.degamma_lut; bool limited_color_range = false; - int gamma_length, degamma_length; - u32 gamma_tests, degamma_tests; int ret; - degamma_length = INTEL_INFO(dev_priv)->color.degamma_lut_size; - gamma_length = INTEL_INFO(dev_priv)->color.gamma_lut_size; - degamma_tests = INTEL_INFO(dev_priv)->color.degamma_lut_tests; - gamma_tests = INTEL_INFO(dev_priv)->color.gamma_lut_tests; - - /* C8 needs the legacy LUT all to itself */ - if (crtc_state->c8_planes && - !crtc_state_is_legacy_gamma(crtc_state)) - return -EINVAL; + ret = check_luts(crtc_state); + if (ret) + return ret; crtc_state->gamma_enable = (gamma_lut || degamma_lut) && !crtc_state->c8_planes; @@ -828,25 +852,10 @@ int intel_color_check(struct intel_crtc_state *crtc_state) if (IS_CHERRYVIEW(dev_priv)) crtc_state->cgm_mode = chv_cgm_mode(crtc_state); - /* Always allow legacy gamma LUT with no further checking. */ if (!crtc_state->gamma_enable || - crtc_state_is_legacy_gamma(crtc_state)) { + crtc_state_is_legacy_gamma(crtc_state)) crtc_state->gamma_mode = GAMMA_MODE_MODE_8BIT; - if (INTEL_GEN(dev_priv) >= 11 && - crtc_state->gamma_enable) - crtc_state->gamma_mode |= POST_CSC_GAMMA_ENABLE; - return 0; - } - - if (check_lut_size(degamma_lut, degamma_length) || - check_lut_size(gamma_lut, gamma_length)) - return -EINVAL; - - if (drm_color_lut_check(degamma_lut, degamma_tests) || - drm_color_lut_check(gamma_lut, gamma_tests)) - return -EINVAL; - - if (INTEL_GEN(dev_priv) >= 11) + else if (INTEL_GEN(dev_priv) >= 11) crtc_state->gamma_mode = GAMMA_MODE_MODE_10BIT | PRE_CSC_GAMMA_ENABLE | POST_CSC_GAMMA_ENABLE; @@ -858,6 +867,9 @@ int intel_color_check(struct intel_crtc_state *crtc_state) crtc_state->gamma_mode = GAMMA_MODE_MODE_8BIT; if (INTEL_GEN(dev_priv) >= 11) { + if (crtc_state->gamma_enable) + crtc_state->gamma_mode |= POST_CSC_GAMMA_ENABLE; + if (crtc_state->output_format != INTEL_OUTPUT_FORMAT_RGB || crtc_state->limited_color_range) crtc_state->csc_mode |= ICL_OUTPUT_CSC_ENABLE; |