From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
The current intel_color_check() is a mess, and worse yet it is
in fact incorrect for several platforms. The hardware has
evolved quite a bit over the years, so let's just go for a clean
split between the platforms by turning this into a vfunc.
The actual work to split it up will follow.
Signed-off-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
---
drivers/gpu/drm/i915/i915_drv.h | 1 +
drivers/gpu/drm/i915/intel_color.c | 12 +++++++++++-
2 files changed, 12 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index c65c2e6649df..38dfeb110dd4 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -320,6 +320,7 @@ struct drm_i915_display_funcs {
/* display clock increase/decrease */
/* pll clock increase/decrease */
+ int (*color_check)(struct intel_crtc_state *crtc_state);
/*
* Program double buffered color management registers during
* vblank evasion. The registers should then latch during the
diff --git a/drivers/gpu/drm/i915/intel_color.c b/drivers/gpu/drm/i915/intel_color.c
index b6a992a5b14f..e68c936c784b 100644
--- a/drivers/gpu/drm/i915/intel_color.c
+++ b/drivers/gpu/drm/i915/intel_color.c
@@ -704,6 +704,13 @@ void intel_color_commit(const struct intel_crtc_state *crtc_state)
dev_priv->display.color_commit(crtc_state);
}
+int intel_color_check(struct intel_crtc_state *crtc_state)
+{
+ struct drm_i915_private *dev_priv = to_i915(crtc_state->base.crtc->dev);
+
+ return dev_priv->display.color_check(crtc_state);
+}
+
static bool need_plane_update(struct intel_plane *plane,
const struct intel_crtc_state *crtc_state)
{
@@ -820,7 +827,7 @@ static u32 chv_cgm_mode(const struct intel_crtc_state *crtc_state)
return cgm_mode;
}
-int intel_color_check(struct intel_crtc_state *crtc_state)
+static int _intel_color_check(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;
@@ -894,6 +901,7 @@ void intel_color_init(struct intel_crtc *crtc)
dev_priv->display.load_luts = i9xx_load_luts;
dev_priv->display.color_commit = i9xx_color_commit;
+ dev_priv->display.color_check = _intel_color_check;
} else {
if (INTEL_GEN(dev_priv) >= 11)
dev_priv->display.load_luts = icl_load_luts;
@@ -910,6 +918,8 @@ void intel_color_init(struct intel_crtc *crtc)
dev_priv->display.color_commit = hsw_color_commit;
else
dev_priv->display.color_commit = ilk_color_commit;
+
+ dev_priv->display.color_check = _intel_color_check;
}
/* Enable color management support when we have degamma & gamma LUTs. */
--
2.19.2
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