[Intel-gfx] [PATCH i-g-t 2/5] lib: kms: add helpers for color management properties on pipes

[Matt Roper]

On Thu, Feb 25, 2016 at 05:16:10PM +0000, Lionel Landwerlin wrote:
> v2: Rename CTM_MATRIX property to CTM
> 
> Signed-off-by: Lionel Landwerlin <lionel.g.landwerlin at intel.com>
> ---
>  lib/igt_kms.c | 74 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
>  lib/igt_kms.h | 17 +++++++++++++-
>  2 files changed, 90 insertions(+), 1 deletion(-)
> 
> diff --git a/lib/igt_kms.c b/lib/igt_kms.c
> index dd4ca45..22996d5 100644
> --- a/lib/igt_kms.c
> +++ b/lib/igt_kms.c
> @@ -1179,6 +1179,21 @@ void igt_display_init(igt_display_t *display, int drm_fd)
>  						   &prop_value,
>  						   NULL);
>  				pipe->background = (uint32_t)prop_value;
> +				get_crtc_property(display->drm_fd, output->config.crtc->crtc_id,
> +						  "DEGAMMA_LUT",
> +						  &pipe->degamma_property,
> +						  NULL,
> +					  NULL);
> +				get_crtc_property(display->drm_fd, output->config.crtc->crtc_id,
> +						  "CTM_MATRIX",

Your changelog above indicates this was changed to just "CTM," but the
change doesn't seem to have landed.  Actually, it looks like it got
applied to patch #3 by accident instead.


Matt

> +						  &pipe->ctm_property,
> +						  NULL,
> +						  NULL);
> +				get_crtc_property(display->drm_fd, output->config.crtc->crtc_id,
> +						  "GAMMA_LUT",
> +						  &pipe->gamma_property,
> +						  NULL,
> +						  NULL);
>  			}
>  		}
>  	}
> @@ -1328,6 +1343,16 @@ static igt_plane_t *igt_pipe_get_plane(igt_pipe_t *pipe, enum igt_plane plane)
>  	return &pipe->planes[idx];
>  }
>  
> +bool igt_pipe_get_property(igt_pipe_t *pipe, const char *name,
> +			   uint32_t *prop_id, uint64_t *value,
> +			   drmModePropertyPtr *prop)
> +{
> +	return get_crtc_property(pipe->display->drm_fd,
> +				 pipe->crtc_id,
> +				 name,
> +				 prop_id, value, prop);
> +}
> +
>  static uint32_t igt_plane_get_fb_id(igt_plane_t *plane)
>  {
>  	if (plane->fb)
> @@ -1635,6 +1660,17 @@ static int igt_output_commit(igt_output_t *output,
>  		pipe->background_changed = false;
>  	}
>  
> +	if (pipe->color_mgmt_changed) {
> +		igt_crtc_set_property(output, pipe->degamma_property,
> +				      pipe->degamma_blob);
> +		igt_crtc_set_property(output, pipe->ctm_property,
> +				      pipe->ctm_blob);
> +		igt_crtc_set_property(output, pipe->gamma_property,
> +				      pipe->gamma_blob);
> +
> +		pipe->color_mgmt_changed = false;
> +	}
> +
>  	for (i = 0; i < pipe->n_planes; i++) {
>  		igt_plane_t *plane = &pipe->planes[i];
>  
> @@ -1967,6 +2003,44 @@ void igt_plane_set_rotation(igt_plane_t *plane, igt_rotation_t rotation)
>  	plane->rotation_changed = true;
>  }
>  
> +static void
> +igt_pipe_replace_blob(igt_pipe_t *pipe, uint64_t *blob, void *ptr, size_t length)
> +{
> +	igt_display_t *display = pipe->display;
> +	uint32_t blob_id = 0;
> +
> +	if (*blob != 0)
> +		igt_assert(drmModeDestroyPropertyBlob(display->drm_fd,
> +						      *blob) == 0);
> +
> +	if (length > 0)
> +		igt_assert(drmModeCreatePropertyBlob(display->drm_fd,
> +						     ptr, length, &blob_id) == 0);
> +
> +	*blob = blob_id;
> +}
> +
> +void
> +igt_pipe_set_degamma_lut(igt_pipe_t *pipe, void *ptr, size_t length)
> +{
> +	igt_pipe_replace_blob(pipe, &pipe->degamma_blob, ptr, length);
> +	pipe->color_mgmt_changed = 1;
> +}
> +
> +void
> +igt_pipe_set_ctm_matrix(igt_pipe_t *pipe, void *ptr, size_t length)
> +{
> +	igt_pipe_replace_blob(pipe, &pipe->ctm_blob, ptr, length);
> +	pipe->color_mgmt_changed = 1;
> +}
> +
> +void
> +igt_pipe_set_gamma_lut(igt_pipe_t *pipe, void *ptr, size_t length)
> +{
> +	igt_pipe_replace_blob(pipe, &pipe->gamma_blob, ptr, length);
> +	pipe->color_mgmt_changed = 1;
> +}
> +
>  /**
>   * igt_crtc_set_background:
>   * @pipe: pipe pointer to which background color to be set
> diff --git a/lib/igt_kms.h b/lib/igt_kms.h
> index 77327c2..11a37d5 100644
> --- a/lib/igt_kms.h
> +++ b/lib/igt_kms.h
> @@ -215,6 +215,15 @@ struct igt_pipe {
>  	uint64_t background; /* Background color MSB BGR 16bpc LSB */
>  	uint32_t background_changed : 1;
>  	uint32_t background_property;
> +
> +	uint64_t degamma_blob;
> +	uint32_t degamma_property;
> +	uint64_t ctm_blob;
> +	uint32_t ctm_property;
> +	uint64_t gamma_blob;
> +	uint32_t gamma_property;
> +	uint32_t color_mgmt_changed : 1;
> +
>  	uint32_t crtc_id;
>  };
>  
> @@ -253,12 +262,19 @@ drmModeModeInfo *igt_output_get_mode(igt_output_t *output);
>  void igt_output_override_mode(igt_output_t *output, drmModeModeInfo *mode);
>  void igt_output_set_pipe(igt_output_t *output, enum pipe pipe);
>  igt_plane_t *igt_output_get_plane(igt_output_t *output, enum igt_plane plane);
> +bool igt_pipe_get_property(igt_pipe_t *pipe, const char *name,
> +			   uint32_t *prop_id, uint64_t *value,
> +			   drmModePropertyPtr *prop);
>  
>  static inline bool igt_plane_supports_rotation(igt_plane_t *plane)
>  {
>  	return plane->rotation_property != 0;
>  }
>  
> +void igt_pipe_set_degamma_lut(igt_pipe_t *pipe, void *ptr, size_t length);
> +void igt_pipe_set_ctm_matrix(igt_pipe_t *pipe, void *ptr, size_t length);
> +void igt_pipe_set_gamma_lut(igt_pipe_t *pipe, void *ptr, size_t length);
> +
>  void igt_plane_set_fb(igt_plane_t *plane, struct igt_fb *fb);
>  void igt_plane_set_position(igt_plane_t *plane, int x, int y);
>  void igt_plane_set_size(igt_plane_t *plane, int w, int h);
> @@ -294,4 +310,3 @@ const unsigned char* igt_kms_get_alt_edid(void);
>  
>  
>  #endif /* __IGT_KMS_H__ */
> -
> -- 
> 2.7.0
> 
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-- 
Matt Roper
Graphics Software Engineer
IoTG Platform Enabling & Development
Intel Corporation
(916) 356-2795