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@xxxxxxxxx>
---
drivers/gpu/drm/i915/display/intel_color.c | 25 +++++++++++++++++++------
1 file 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 6d641e1..4d9a568 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;
}
--
1.9.1
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