From 2740e81aad0f6e3ce48fea03a4cf4a4f36a717b8 Mon Sep 17 00:00:00 2001 From: Swati Sharma Date: Wed, 29 May 2019 15:20:51 +0530 Subject: [PATCH] drm/i915: Introduce vfunc read_luts() to create hw lut In this patch, a vfunc read_luts() is introduced to create a hw lut i.e. lut having values read from gamma/degamma registers which will later be used to compare with sw lut to validate gamma/degamma lut values. v3: -Rebase v4: -Renamed intel_get_color_config to intel_color_get_config [Jani] -Wrapped get_color_config() [Jani] v5: -Renamed intel_color_get_config() to intel_color_read_luts() -Renamed get_color_config to read_luts v6: -Renamed intel_color_read_luts() back to intel_color_get_config() [Jani and Ville] Signed-off-by: Swati Sharma Signed-off-by: Jani Nikula Link: https://patchwork.freedesktop.org/patch/msgid/1559123462-7343-2-git-send-email-swati2.sharma@intel.com --- drivers/gpu/drm/i915/i915_drv.h | 1 + drivers/gpu/drm/i915/intel_color.c | 8 ++++++++ drivers/gpu/drm/i915/intel_color.h | 1 + 3 files changed, 10 insertions(+) diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index a0539b8..b72ad58 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -340,6 +340,7 @@ struct drm_i915_display_funcs { * involved with the same commit. */ void (*load_luts)(const struct intel_crtc_state *crtc_state); + void (*read_luts)(struct intel_crtc_state *crtc_state); }; struct intel_csr { diff --git a/drivers/gpu/drm/i915/intel_color.c b/drivers/gpu/drm/i915/intel_color.c index 45649904..0b8cf3e 100644 --- a/drivers/gpu/drm/i915/intel_color.c +++ b/drivers/gpu/drm/i915/intel_color.c @@ -879,6 +879,14 @@ int intel_color_check(struct intel_crtc_state *crtc_state) return dev_priv->display.color_check(crtc_state); } +void intel_color_get_config(struct intel_crtc_state *crtc_state) +{ + struct drm_i915_private *dev_priv = to_i915(crtc_state->base.crtc->dev); + + if (dev_priv->display.read_luts) + dev_priv->display.read_luts(crtc_state); +} + static bool need_plane_update(struct intel_plane *plane, const struct intel_crtc_state *crtc_state) { diff --git a/drivers/gpu/drm/i915/intel_color.h b/drivers/gpu/drm/i915/intel_color.h index b8a3ce6..057e8ac 100644 --- a/drivers/gpu/drm/i915/intel_color.h +++ b/drivers/gpu/drm/i915/intel_color.h @@ -13,5 +13,6 @@ void intel_color_init(struct intel_crtc *crtc); int intel_color_check(struct intel_crtc_state *crtc_state); void intel_color_commit(const struct intel_crtc_state *crtc_state); void intel_color_load_luts(const struct intel_crtc_state *crtc_state); +void intel_color_get_config(struct intel_crtc_state *crtc_state); #endif /* __INTEL_COLOR_H__ */ -- 2.7.4