On Thu, Jun 04, 2015 at 07:12:33PM +0530, Kausal Malladi wrote:
> From: Kausal Malladi <Kausal.Malladi@xxxxxxxxx>
>
> Every CRTC would be carrying its own instances of CSC and Gamma color
> correction values. This patch adds a new function to attach color
> properties to respective CRTCs while initialization.
>
> Signed-off-by: Shashank Sharma <shashank.sharma@xxxxxxxxx>
> Signed-off-by: Kausal Malladi <Kausal.Malladi@xxxxxxxxx>
> ---
> drivers/gpu/drm/i915/intel_color_manager.c | 24 ++++++++++++++++++++++++
> drivers/gpu/drm/i915/intel_color_manager.h | 2 ++
> drivers/gpu/drm/i915/intel_display.c | 3 +++
> 3 files changed, 29 insertions(+)
>
> diff --git a/drivers/gpu/drm/i915/intel_color_manager.c b/drivers/gpu/drm/i915/intel_color_manager.c
> index f7e2380..8d4ee8f 100644
> --- a/drivers/gpu/drm/i915/intel_color_manager.c
> +++ b/drivers/gpu/drm/i915/intel_color_manager.c
> @@ -27,6 +27,30 @@
>
> #include "intel_color_manager.h"
>
> +void intel_color_manager_attach(struct drm_device *dev,
> + struct drm_mode_object *mode_obj)
> +{
> + struct drm_mode_config *config = &dev->mode_config;
> +
> + /* Attach all properties generic to crtc and plane */
> + if (config->gamma_property) {
> + drm_object_attach_property(mode_obj,
> + config->gamma_property, 0);
No platform check? I doubt all of our platforms have LUTs on all planes.
Ah but we don't attach this property to any plane just yet, so the
comment is misleading.
> +
> + DRM_DEBUG_DRIVER("Initialized gamma property\n");
That looks too verbose to me.
> + }
> +
> + /* Attach properties specific to crtc only */
> + if (mode_obj->type == DRM_MODE_OBJECT_CRTC) {
> + if (config->csc_property) {
> + drm_object_attach_property(mode_obj,
> + config->csc_property, 0);
> +
> + DRM_DEBUG_DRIVER("Initialized CSC property\n");
> + }
> + }
> +}
> +
> void intel_color_manager_init(struct drm_device *dev)
> {
> struct drm_mode_config *config = &dev->mode_config;
> diff --git a/drivers/gpu/drm/i915/intel_color_manager.h b/drivers/gpu/drm/i915/intel_color_manager.h
> index 154bf16..a55ce23 100644
> --- a/drivers/gpu/drm/i915/intel_color_manager.h
> +++ b/drivers/gpu/drm/i915/intel_color_manager.h
> @@ -30,3 +30,5 @@
>
> /* Generic Function prototypes */
> void intel_color_manager_init(struct drm_device *dev);
> +void intel_color_manager_attach(struct drm_device *dev,
> + struct drm_mode_object *mode_obj);
> diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
> index 2322dee..d4e9aa3 100644
> --- a/drivers/gpu/drm/i915/intel_display.c
> +++ b/drivers/gpu/drm/i915/intel_display.c
> @@ -13794,6 +13794,9 @@ static void intel_crtc_init(struct drm_device *dev, int pipe)
> intel_crtc->cursor_cntl = ~0;
> intel_crtc->cursor_size = ~0;
>
> + /* Attaching color properties to the CRTC */
> + intel_color_manager_attach(dev, &intel_crtc->base.base);
> +
> BUG_ON(pipe >= ARRAY_SIZE(dev_priv->plane_to_crtc_mapping) ||
> dev_priv->plane_to_crtc_mapping[intel_crtc->plane] != NULL);
> dev_priv->plane_to_crtc_mapping[intel_crtc->plane] = &intel_crtc->base;
> --
> 2.4.2
>
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