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drm/radeon: add an output_csc property 

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
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
drivers/gpu/drm/radeon/radeon_display.c
View File

@ -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;
}

9
drivers/gpu/drm/radeon/radeon_mode.h
View File

@ -85,6 +85,13 @@ enum radeon_hpd_id {
RADEON_HPD_NONE = 0xff,
};
enum radeon_output_csc {
RADEON_OUTPUT_CSC_BYPASS = 0,
RADEON_OUTPUT_CSC_TVRGB = 1,
RADEON_OUTPUT_CSC_YCBCR601 = 2,
RADEON_OUTPUT_CSC_YCBCR709 = 3,
};
#define RADEON_MAX_I2C_BUS 16
/* radeon gpio-based i2c
@ -255,6 +262,8 @@ struct radeon_mode_info {
struct drm_property *audio_property;
/* FMT dithering */
struct drm_property *dither_property;
/* Output CSC */
struct drm_property *output_csc_property;
/* hardcoded DFP edid from BIOS */
struct edid *bios_hardcoded_edid;
int bios_hardcoded_edid_size;