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author | Swati Sharma <swati2.sharma@intel.com> | 2019-09-09 17:31:41 +0530 |
---|---|---|
committer | Jani Nikula <jani.nikula@intel.com> | 2019-09-10 13:23:26 +0300 |
commit | b0a7c754140bee6a1124b5bfad17205149942fd7 (patch) | |
tree | 4b2ebeafab9ccb9ecb3d99c12bebc387a1dc2985 | |
parent | fa9a09f15065650d97e3b1336d11e4ad9672b759 (diff) | |
download | lwn-b0a7c754140bee6a1124b5bfad17205149942fd7.tar.gz lwn-b0a7c754140bee6a1124b5bfad17205149942fd7.zip |
drm/i915/display: Add gamma precision function for CHV
intel_color_get_gamma_bit_precision() is extended for
cherryview by adding chv_gamma_precision(), i965 will use existing
i9xx_gamma_precision() func only.
Signed-off-by: Swati Sharma <swati2.sharma@intel.com>
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/1568030503-26747-2-git-send-email-swati2.sharma@intel.com
-rw-r--r-- | drivers/gpu/drm/i915/display/intel_color.c | 25 |
1 files changed, 19 insertions, 6 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_color.c b/drivers/gpu/drm/i915/display/intel_color.c index 6d641e159899..4d9a5686a4d7 100644 --- a/drivers/gpu/drm/i915/display/intel_color.c +++ b/drivers/gpu/drm/i915/display/intel_color.c @@ -1400,6 +1400,14 @@ static int ilk_gamma_precision(const struct intel_crtc_state *crtc_state) } } +static int chv_gamma_precision(const struct intel_crtc_state *crtc_state) +{ + if (crtc_state->cgm_mode & CGM_PIPE_MODE_GAMMA) + return 10; + else + return i9xx_gamma_precision(crtc_state); +} + static int glk_gamma_precision(const struct intel_crtc_state *crtc_state) { switch (crtc_state->gamma_mode) { @@ -1421,12 +1429,17 @@ int intel_color_get_gamma_bit_precision(const struct intel_crtc_state *crtc_stat if (!crtc_state->gamma_enable) return 0; - if (HAS_GMCH(dev_priv) && !IS_CHERRYVIEW(dev_priv)) - return i9xx_gamma_precision(crtc_state); - else if (IS_CANNONLAKE(dev_priv) || IS_GEMINILAKE(dev_priv)) - return glk_gamma_precision(crtc_state); - else if (IS_IRONLAKE(dev_priv)) - return ilk_gamma_precision(crtc_state); + if (HAS_GMCH(dev_priv)) { + if (IS_CHERRYVIEW(dev_priv)) + return chv_gamma_precision(crtc_state); + else + return i9xx_gamma_precision(crtc_state); + } else { + if (IS_CANNONLAKE(dev_priv) || IS_GEMINILAKE(dev_priv)) + return glk_gamma_precision(crtc_state); + else if (IS_IRONLAKE(dev_priv)) + return ilk_gamma_precision(crtc_state); + } return 0; } |