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

[Lionel Landwerlin <lionel.g.landwerlin@intel.com>]

On 08/03/16 02:13, Matt Roper wrote:
> 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@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
Thanks Matt, fixing.
>> +						  &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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>> Intel-gfx@lists.freedesktop.org
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