Re: [v5][PATCH 01/11] drm/i915: Introduce vfunc read_luts() to create hw lut

Jani Nikula
2019-05-06T13:19:02Z

On Sat, 04 May 2019, Swati Sharma <swati2.sharma@intel.com> wrote:
> 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()

Ville, did you really want this chage? I sure didn't.

BR,
Jani.

> -Renamed get_color_config to read_luts
>
> Signed-off-by: Swati Sharma <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 1cea98f..1b6d891 100644
> --- a/drivers/gpu/drm/i915/i915_drv.h
> +++ b/drivers/gpu/drm/i915/i915_drv.h
> @@ -342,6 +342,7 @@ 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);
> };
>
> #define CSR_VERSION(major, minor) ((major) << 16 | (minor))
> diff --git a/drivers/gpu/drm/i915/intel_color.c b/drivers/gpu/drm/i915/intel_color.c
> index 962db12..0048d8a 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_read_luts(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..fc53de9 100644
> --- a/drivers/gpu/drm/i915/intel_color.h
> +++ b/drivers/gpu/drm/i915/intel_color.h
> @@ -13,5 +13,6 @@
> 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_read_luts(struct intel_crtc_state *crtc_state);
>
> #endif /* __INTEL_COLOR_H__ */

--
Jani Nikula, Intel Open Source Graphics Center