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drm/radeon: add an output_csc property

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This adds the drm property for output csc (e.g.,
transform of output display colorspace).  Currently
only common ones (TV RGB, BT.601, BT.709) are supported,
but bypass and tv rgb are really the only useful ones at
the moment.  Additionally we could expose a user adjustable
matrix in the future.

This commit just adds the property.  The hw support will
be added in subsequent patches.

bug:
https://bugs.freedesktop.org/show_bug.cgi?id=83226

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alex Deucher
2015-02-23 10:11:49 -05:00
parent 6b94aea01d
commit 67ba31d352
2 changed files with 22 additions and 0 deletions
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13
drivers/gpu/drm/radeon/radeon_display.c
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@@ -1382,6 +1382,13 @@ static struct drm_prop_enum_list radeon_dither_enum_list[] =
{ RADEON_FMT_DITHER_ENABLE, "on" },
};
static struct drm_prop_enum_list radeon_output_csc_enum_list[] =
{ { RADEON_OUTPUT_CSC_BYPASS, "bypass" },
{ RADEON_OUTPUT_CSC_TVRGB, "tvrgb" },
{ RADEON_OUTPUT_CSC_YCBCR601, "ycbcr601" },
{ RADEON_OUTPUT_CSC_YCBCR709, "ycbcr709" },
};
static int radeon_modeset_create_props(struct radeon_device *rdev)
{
int sz;
@@ -1444,6 +1451,12 @@ static int radeon_modeset_create_props(struct radeon_device *rdev)
"dither",
radeon_dither_enum_list, sz);
sz = ARRAY_SIZE(radeon_output_csc_enum_list);
rdev->mode_info.output_csc_property =
drm_property_create_enum(rdev->ddev, 0,
"output_csc",
radeon_output_csc_enum_list, sz);
return 0;
}