Re: [PATCH V13 15/51] drm/vkms: Add enumerated 1D curve colorop

[Alex Hung <alex.hung@amd.com>]

On 12/16/25 11:26, Nícolas F. R. A. Prado wrote:
> On Fri, 2025-11-14 at 17:01 -0700, Alex Hung wrote:
>> From: Harry Wentland <harry.wentland@amd.com>
>>
>> This patch introduces a VKMS color pipeline that includes two
>> drm_colorops for named transfer functions. For now the only ones
>> supported are sRGB EOTF, sRGB Inverse EOTF, and a Linear TF.
>> We will expand this in the future but I don't want to do so
>> without accompanying IGT tests.
>>
>> We introduce a new vkms_luts.c file that hard-codes sRGB EOTF,
>> sRGB Inverse EOTF, and a linear EOTF LUT. These have been
>> generated with 256 entries each as IGT is currently testing
>> only 8 bpc surfaces. We will likely need higher precision
>> but I'm reluctant to make that change without clear indication
>> that we need it. We'll revisit and, if necessary, regenerate
>> the LUTs when we have IGT tests for higher precision buffers.
>>
>> Signed-off-by: Harry Wentland <harry.wentland@amd.com>
>> Signed-off-by: Alex Hung <alex.hung@amd.com>
>> Reviewed-by: Daniel Stone <daniels@collabora.com>
>> Reviewed-by: Louis Chauvet <louis.chauvet@bootlin.com>
>> ---
>> v12:
>>   - Rework cleanup in vkms_initialize_color_pipeline (Louis Chauvet)
>>   - Add drm_colorop_pipeline_destroy in vkms_destroy (Louis Chauvet)
>>
>> v11:
>>   - Update drm_colorop_pipeline_destroy from plane to dev (Nícolas
>> Prado)
>>   - Fix undefined errors by EXPORT_SYMBOL symbols (kernel test robot)
>>
>> v9:
>>   - Replace cleanup code by drm_colorop_pipeline_destroy (Simon Ser)
>>   - Update function names by _plane_ (Chaitanya Kumar Borah)
>>
>> v8:
>>   - Replace DRM_ERROR by drm_err (Louis Chauvet)
>>   - Replace DRM_WARN_ONCE by drm_WARN_ONCE (Louis Chauvet)
>>   - Fix conflicts with upstream VKMS (Louis Chauvet)
>>   - Add comments for drm_color_lut linear_array (Louis Chauvet)
>>
>> v7:
>>   - Fix checkpatch warnings (Louis Chauvet)
>>    - Change kzalloc(sizeof(struct drm_colorop) ...) to
>> kzalloc(sizeof(*ops[i]) ...)
>>    - Remove if (ops[i]) before kfree(ops[i])
>>    - Fix styles by adding and removing spaces (new lines, tabs and so
>> on)
>>
>> v6:
>>   - drop 'len' var (Louis Chauvet)
>>   - cleanup if colorop alloc or init fails (Louis Chauvet)
>>   - switch loop in pre_blend_transform (Louis Chauvet)
>>   - drop extraneous if (colorop) inside while (colorop) (Louis
>> Chauvet)
>>
>> v5:
>>   - Squash with "Pull apply_colorop out of pre_blend_color_transform"
>>     (Sebastian)
>>   - Fix warnings
>>   - Fix include
>>   - Drop TODOs
>>
>> v4:
>>   - Drop _tf_ from color_pipeline init function
>>   - Pass supported TFs into colorop init
>>   - Create bypass pipeline in DRM helper (Pekka)
>>
>> v2:
>>   - Add commit description
>>   - Fix sRGB EOTF LUT definition
>>   - Add linear and sRGB inverse EOTF LUTs
>>
>>   drivers/gpu/drm/vkms/Makefile        |   4 +-
>>   drivers/gpu/drm/vkms/vkms_colorop.c  |  86 +++
>>   drivers/gpu/drm/vkms/vkms_composer.c |  51 +-
>>   drivers/gpu/drm/vkms/vkms_drv.c      |   1 +
>>   drivers/gpu/drm/vkms/vkms_drv.h      |   3 +
>>   drivers/gpu/drm/vkms/vkms_luts.c     | 811
>> +++++++++++++++++++++++++++
>>   drivers/gpu/drm/vkms/vkms_luts.h     |  12 +
>>   drivers/gpu/drm/vkms/vkms_plane.c    |   2 +
>>   8 files changed, 968 insertions(+), 2 deletions(-)
>>   create mode 100644 drivers/gpu/drm/vkms/vkms_colorop.c
>>   create mode 100644 drivers/gpu/drm/vkms/vkms_luts.c
>>   create mode 100644 drivers/gpu/drm/vkms/vkms_luts.h
>>
>> diff --git a/drivers/gpu/drm/vkms/Makefile
>> b/drivers/gpu/drm/vkms/Makefile
>> index 939991fc8233..9bb264091c38 100644
>> --- a/drivers/gpu/drm/vkms/Makefile
>> +++ b/drivers/gpu/drm/vkms/Makefile
>> @@ -9,7 +9,9 @@ vkms-y := \
>>   	vkms_writeback.o \
>>   	vkms_connector.o \
>>   	vkms_config.o \
>> -	vkms_configfs.o
>> +	vkms_configfs.o \
>> +	vkms_colorop.o \
>> +	vkms_luts.o
>>   
>>   obj-$(CONFIG_DRM_VKMS) += vkms.o
>>   obj-$(CONFIG_DRM_VKMS_KUNIT_TEST) += tests/
>> diff --git a/drivers/gpu/drm/vkms/vkms_colorop.c
>> b/drivers/gpu/drm/vkms/vkms_colorop.c
>> new file mode 100644
>> index 000000000000..946e9641d940
>> --- /dev/null
>> +++ b/drivers/gpu/drm/vkms/vkms_colorop.c
>> @@ -0,0 +1,86 @@
>> +// SPDX-License-Identifier: GPL-2.0+
>> +
>> +#include <linux/slab.h>
>> +#include <drm/drm_colorop.h>
>> +#include <drm/drm_print.h>
>> +#include <drm/drm_property.h>
>> +#include <drm/drm_plane.h>
>> +
>> +#include "vkms_drv.h"
>> +
>> +static const u64 supported_tfs =
>> +	BIT(DRM_COLOROP_1D_CURVE_SRGB_EOTF) |
>> +	BIT(DRM_COLOROP_1D_CURVE_SRGB_INV_EOTF);
>> +
>> +#define MAX_COLOR_PIPELINE_OPS 2
>> +
>> +static int vkms_initialize_color_pipeline(struct drm_plane *plane,
>> struct drm_prop_enum_list *list)
>> +{
>> +	struct drm_colorop *ops[MAX_COLOR_PIPELINE_OPS];
>> +	struct drm_device *dev = plane->dev;
>> +	int ret;
>> +	int i = 0, j = 0;
>> +
>> +	memset(ops, 0, sizeof(ops));
>> +
>> +	/* 1st op: 1d curve */
>> +	ops[i] = kzalloc(sizeof(*ops[i]), GFP_KERNEL);
>> +	if (!ops[i]) {
>> +		drm_err(dev, "KMS: Failed to allocate colorop\n");
>> +		ret = -ENOMEM;
>> +		goto cleanup;
>> +	}
>> +
>> +	ret = drm_plane_colorop_curve_1d_init(dev, ops[i], plane,
>> supported_tfs);
>> +	if (ret)
>> +		goto cleanup;
>> +
>> +	list->type = ops[i]->base.id;
>> +	list->name = kasprintf(GFP_KERNEL, "Color Pipeline %d",
>> ops[i]->base.id);
>> +
>> +	i++;
>> +
>> +	/* 2nd op: 1d curve */
>> +	ops[i] = kzalloc(sizeof(*ops[i]), GFP_KERNEL);
>> +	if (!ops[i]) {
>> +		drm_err(dev, "KMS: Failed to allocate colorop\n");
>> +		ret = -ENOMEM;
>> +		goto cleanup;
>> +	}
>> +
>> +	ret = drm_plane_colorop_curve_1d_init(dev, ops[i], plane,
>> supported_tfs);
>> +	if (ret)
>> +		goto cleanup;
>> +
>> +	drm_colorop_set_next_property(ops[i - 1], ops[i]);
>> +
>> +	return 0;
>> +
>> +cleanup:
>> +	for (j = 0; j < i; j++) {
>> +		if (ops[j]) {
>> +			drm_colorop_cleanup(ops[j]);
>> +			kfree(ops[j]);
>> +		}
>> +	}
> 
> Hi Alex,
> 
> Another thing we noticed, this won't cleanup the last colorop that was
> allocated. It is harder to follow with a single label called from two
> different places, so we'd suggest changing it like so:
> 
> err_colorop_init:
> 	kfree(ops[i]);
> 
> err_alloc:
> 	for (j = 0; j < i; j++) {
> 		drm_colorop_cleanup(ops[j]);
> 		kfree(ops[j]);
> 	}


Thanks. Feel free to send a patch.

> 
> Thanks,
> Nicolas
> 
>> +
>> +	return ret;
>> +}
>> +
>> +int vkms_initialize_colorops(struct drm_plane *plane)
>> +{
>> +	struct drm_prop_enum_list pipeline;
>> +	int ret;
>> +
>> +	/* Add color pipeline */
>> +	ret = vkms_initialize_color_pipeline(plane, &pipeline);
>> +	if (ret)
>> +		return ret;
>> +
>> +	/* Create COLOR_PIPELINE property and attach */
>> +	ret = drm_plane_create_color_pipeline_property(plane,
>> &pipeline, 1);
>> +	if (ret)
>> +		return ret;
>> +
>> +	return 0;
>> +}
>> diff --git a/drivers/gpu/drm/vkms/vkms_composer.c
>> b/drivers/gpu/drm/vkms/vkms_composer.c
>> index 5127e3be9e1a..ba810cc940fa 100644
>> --- a/drivers/gpu/drm/vkms/vkms_composer.c
>> +++ b/drivers/gpu/drm/vkms/vkms_composer.c
>> @@ -14,6 +14,7 @@
>>   #include <kunit/visibility.h>
>>   
>>   #include "vkms_composer.h"
>> +#include "vkms_luts.h"
>>   
>>   static u16 pre_mul_blend_channel(u16 src, u16 dst, u16 alpha)
>>   {
>> @@ -136,6 +137,54 @@ static void apply_lut(const struct
>> vkms_crtc_state *crtc_state, struct line_buff
>>   	}
>>   }
>>   
>> +static void apply_colorop(struct pixel_argb_u16 *pixel, struct
>> drm_colorop *colorop)
>> +{
>> +	struct drm_colorop_state *colorop_state = colorop->state;
>> +	struct drm_device *dev = colorop->dev;
>> +
>> +	if (colorop->type == DRM_COLOROP_1D_CURVE) {
>> +		switch (colorop_state->curve_1d_type) {
>> +		case DRM_COLOROP_1D_CURVE_SRGB_INV_EOTF:
>> +			pixel->r =
>> apply_lut_to_channel_value(&srgb_inv_eotf, pixel->r, LUT_RED);
>> +			pixel->g =
>> apply_lut_to_channel_value(&srgb_inv_eotf, pixel->g, LUT_GREEN);
>> +			pixel->b =
>> apply_lut_to_channel_value(&srgb_inv_eotf, pixel->b, LUT_BLUE);
>> +			break;
>> +		case DRM_COLOROP_1D_CURVE_SRGB_EOTF:
>> +			pixel->r =
>> apply_lut_to_channel_value(&srgb_eotf, pixel->r, LUT_RED);
>> +			pixel->g =
>> apply_lut_to_channel_value(&srgb_eotf, pixel->g, LUT_GREEN);
>> +			pixel->b =
>> apply_lut_to_channel_value(&srgb_eotf, pixel->b, LUT_BLUE);
>> +			break;
>> +		default:
>> +			drm_WARN_ONCE(dev, true,
>> +				      "unknown colorop 1D curve type
>> %d\n",
>> +				      colorop_state->curve_1d_type);
>> +			break;
>> +		}
>> +	}
>> +}
>> +
>> +static void pre_blend_color_transform(const struct vkms_plane_state
>> *plane_state,
>> +				      struct line_buffer
>> *output_buffer)
>> +{
>> +	for (size_t x = 0; x < output_buffer->n_pixels; x++) {
>> +		struct drm_colorop *colorop = plane_state-
>>> base.base.color_pipeline;
>> +
>> +		while (colorop) {
>> +			struct drm_colorop_state *colorop_state;
>> +
>> +			colorop_state = colorop->state;
>> +
>> +			if (!colorop_state)
>> +				return;
>> +
>> +			if (!colorop_state->bypass)
>> +				apply_colorop(&output_buffer-
>>> pixels[x], colorop);
>> +
>> +			colorop = colorop->next;
>> +		}
>> +	}
>> +}
>> +
>>   /**
>>    * direction_for_rotation() - Get the correct reading direction for
>> a given rotation
>>    *
>> @@ -351,7 +400,7 @@ static void blend_line(struct vkms_plane_state
>> *current_plane, int y,
>>   	 */
>>   	current_plane->pixel_read_line(current_plane, src_x_start,
>> src_y_start, direction,
>>   				       pixel_count, &stage_buffer-
>>> pixels[dst_x_start]);
>> -
>> +	pre_blend_color_transform(current_plane, stage_buffer);
>>   	pre_mul_alpha_blend(stage_buffer, output_buffer,
>>   			    dst_x_start, pixel_count);
>>   }
>> diff --git a/drivers/gpu/drm/vkms/vkms_drv.c
>> b/drivers/gpu/drm/vkms/vkms_drv.c
>> index 1f80b1f126b6..c659de653197 100644
>> --- a/drivers/gpu/drm/vkms/vkms_drv.c
>> +++ b/drivers/gpu/drm/vkms/vkms_drv.c
>> @@ -253,6 +253,7 @@ void vkms_destroy(struct vkms_config *config)
>>   
>>   	fdev = config->dev->faux_dev;
>>   
>> +	drm_colorop_pipeline_destroy(&config->dev->drm);
>>   	drm_dev_unregister(&config->dev->drm);
>>   	drm_atomic_helper_shutdown(&config->dev->drm);
>>   	devres_release_group(&fdev->dev, NULL);
>> diff --git a/drivers/gpu/drm/vkms/vkms_drv.h
>> b/drivers/gpu/drm/vkms/vkms_drv.h
>> index 880a295ebd1f..b4e5e4b9958f 100644
>> --- a/drivers/gpu/drm/vkms/vkms_drv.h
>> +++ b/drivers/gpu/drm/vkms/vkms_drv.h
>> @@ -319,4 +319,7 @@ void vkms_writeback_row(struct vkms_writeback_job
>> *wb, const struct line_buffer
>>   /* Writeback */
>>   int vkms_enable_writeback_connector(struct vkms_device *vkmsdev,
>> struct vkms_output *vkms_out);
>>   
>> +/* Colorops */
>> +int vkms_initialize_colorops(struct drm_plane *plane);
>> +
>>   #endif /* _VKMS_DRV_H_ */
>> diff --git a/drivers/gpu/drm/vkms/vkms_luts.c
>> b/drivers/gpu/drm/vkms/vkms_luts.c
>> new file mode 100644
>> index 000000000000..82cb792f10d8
>> --- /dev/null
>> +++ b/drivers/gpu/drm/vkms/vkms_luts.c
>> @@ -0,0 +1,811 @@
>> +// SPDX-License-Identifier: GPL-2.0+
>> +
>> +#include <drm/drm_mode.h>
>> +
>> +#include "vkms_drv.h"
>> +#include "vkms_luts.h"
>> +
>> +/*
>> + * These luts were generated with a LUT generated based on
>> + * skia's transfer function code. The LUT generator can be
>> + * found at
>> + * https://gitlab.freedesktop.org/hwentland/lutgen
>> + */
>> +
>> +static struct drm_color_lut linear_array[LUT_SIZE] = {
>> +	{ 0x0, 0x0, 0x0, 0 },
>> +	{ 0x101, 0x101, 0x101, 0 },
>> +	{ 0x202, 0x202, 0x202, 0 },
>> +	{ 0x303, 0x303, 0x303, 0 },
>> +	{ 0x404, 0x404, 0x404, 0 },
>> +	{ 0x505, 0x505, 0x505, 0 },
>> +	{ 0x606, 0x606, 0x606, 0 },
>> +	{ 0x707, 0x707, 0x707, 0 },
>> +	{ 0x808, 0x808, 0x808, 0 },
>> +	{ 0x909, 0x909, 0x909, 0 },
>> +	{ 0xa0a, 0xa0a, 0xa0a, 0 },
>> +	{ 0xb0b, 0xb0b, 0xb0b, 0 },
>> +	{ 0xc0c, 0xc0c, 0xc0c, 0 },
>> +	{ 0xd0d, 0xd0d, 0xd0d, 0 },
>> +	{ 0xe0e, 0xe0e, 0xe0e, 0 },
>> +	{ 0xf0f, 0xf0f, 0xf0f, 0 },
>> +	{ 0x1010, 0x1010, 0x1010, 0 },
>> +	{ 0x1111, 0x1111, 0x1111, 0 },
>> +	{ 0x1212, 0x1212, 0x1212, 0 },
>> +	{ 0x1313, 0x1313, 0x1313, 0 },
>> +	{ 0x1414, 0x1414, 0x1414, 0 },
>> +	{ 0x1515, 0x1515, 0x1515, 0 },
>> +	{ 0x1616, 0x1616, 0x1616, 0 },
>> +	{ 0x1717, 0x1717, 0x1717, 0 },
>> +	{ 0x1818, 0x1818, 0x1818, 0 },
>> +	{ 0x1919, 0x1919, 0x1919, 0 },
>> +	{ 0x1a1a, 0x1a1a, 0x1a1a, 0 },
>> +	{ 0x1b1b, 0x1b1b, 0x1b1b, 0 },
>> +	{ 0x1c1c, 0x1c1c, 0x1c1c, 0 },
>> +	{ 0x1d1d, 0x1d1d, 0x1d1d, 0 },
>> +	{ 0x1e1e, 0x1e1e, 0x1e1e, 0 },
>> +	{ 0x1f1f, 0x1f1f, 0x1f1f, 0 },
>> +	{ 0x2020, 0x2020, 0x2020, 0 },
>> +	{ 0x2121, 0x2121, 0x2121, 0 },
>> +	{ 0x2222, 0x2222, 0x2222, 0 },
>> +	{ 0x2323, 0x2323, 0x2323, 0 },
>> +	{ 0x2424, 0x2424, 0x2424, 0 },
>> +	{ 0x2525, 0x2525, 0x2525, 0 },
>> +	{ 0x2626, 0x2626, 0x2626, 0 },
>> +	{ 0x2727, 0x2727, 0x2727, 0 },
>> +	{ 0x2828, 0x2828, 0x2828, 0 },
>> +	{ 0x2929, 0x2929, 0x2929, 0 },
>> +	{ 0x2a2a, 0x2a2a, 0x2a2a, 0 },
>> +	{ 0x2b2b, 0x2b2b, 0x2b2b, 0 },
>> +	{ 0x2c2c, 0x2c2c, 0x2c2c, 0 },
>> +	{ 0x2d2d, 0x2d2d, 0x2d2d, 0 },
>> +	{ 0x2e2e, 0x2e2e, 0x2e2e, 0 },
>> +	{ 0x2f2f, 0x2f2f, 0x2f2f, 0 },
>> +	{ 0x3030, 0x3030, 0x3030, 0 },
>> +	{ 0x3131, 0x3131, 0x3131, 0 },
>> +	{ 0x3232, 0x3232, 0x3232, 0 },
>> +	{ 0x3333, 0x3333, 0x3333, 0 },
>> +	{ 0x3434, 0x3434, 0x3434, 0 },
>> +	{ 0x3535, 0x3535, 0x3535, 0 },
>> +	{ 0x3636, 0x3636, 0x3636, 0 },
>> +	{ 0x3737, 0x3737, 0x3737, 0 },
>> +	{ 0x3838, 0x3838, 0x3838, 0 },
>> +	{ 0x3939, 0x3939, 0x3939, 0 },
>> +	{ 0x3a3a, 0x3a3a, 0x3a3a, 0 },
>> +	{ 0x3b3b, 0x3b3b, 0x3b3b, 0 },
>> +	{ 0x3c3c, 0x3c3c, 0x3c3c, 0 },
>> +	{ 0x3d3d, 0x3d3d, 0x3d3d, 0 },
>> +	{ 0x3e3e, 0x3e3e, 0x3e3e, 0 },
>> +	{ 0x3f3f, 0x3f3f, 0x3f3f, 0 },
>> +	{ 0x4040, 0x4040, 0x4040, 0 },
>> +	{ 0x4141, 0x4141, 0x4141, 0 },
>> +	{ 0x4242, 0x4242, 0x4242, 0 },
>> +	{ 0x4343, 0x4343, 0x4343, 0 },
>> +	{ 0x4444, 0x4444, 0x4444, 0 },
>> +	{ 0x4545, 0x4545, 0x4545, 0 },
>> +	{ 0x4646, 0x4646, 0x4646, 0 },
>> +	{ 0x4747, 0x4747, 0x4747, 0 },
>> +	{ 0x4848, 0x4848, 0x4848, 0 },
>> +	{ 0x4949, 0x4949, 0x4949, 0 },
>> +	{ 0x4a4a, 0x4a4a, 0x4a4a, 0 },
>> +	{ 0x4b4b, 0x4b4b, 0x4b4b, 0 },
>> +	{ 0x4c4c, 0x4c4c, 0x4c4c, 0 },
>> +	{ 0x4d4d, 0x4d4d, 0x4d4d, 0 },
>> +	{ 0x4e4e, 0x4e4e, 0x4e4e, 0 },
>> +	{ 0x4f4f, 0x4f4f, 0x4f4f, 0 },
>> +	{ 0x5050, 0x5050, 0x5050, 0 },
>> +	{ 0x5151, 0x5151, 0x5151, 0 },
>> +	{ 0x5252, 0x5252, 0x5252, 0 },
>> +	{ 0x5353, 0x5353, 0x5353, 0 },
>> +	{ 0x5454, 0x5454, 0x5454, 0 },
>> +	{ 0x5555, 0x5555, 0x5555, 0 },
>> +	{ 0x5656, 0x5656, 0x5656, 0 },
>> +	{ 0x5757, 0x5757, 0x5757, 0 },
>> +	{ 0x5858, 0x5858, 0x5858, 0 },
>> +	{ 0x5959, 0x5959, 0x5959, 0 },
>> +	{ 0x5a5a, 0x5a5a, 0x5a5a, 0 },
>> +	{ 0x5b5b, 0x5b5b, 0x5b5b, 0 },
>> +	{ 0x5c5c, 0x5c5c, 0x5c5c, 0 },
>> +	{ 0x5d5d, 0x5d5d, 0x5d5d, 0 },
>> +	{ 0x5e5e, 0x5e5e, 0x5e5e, 0 },
>> +	{ 0x5f5f, 0x5f5f, 0x5f5f, 0 },
>> +	{ 0x6060, 0x6060, 0x6060, 0 },
>> +	{ 0x6161, 0x6161, 0x6161, 0 },
>> +	{ 0x6262, 0x6262, 0x6262, 0 },
>> +	{ 0x6363, 0x6363, 0x6363, 0 },
>> +	{ 0x6464, 0x6464, 0x6464, 0 },
>> +	{ 0x6565, 0x6565, 0x6565, 0 },
>> +	{ 0x6666, 0x6666, 0x6666, 0 },
>> +	{ 0x6767, 0x6767, 0x6767, 0 },
>> +	{ 0x6868, 0x6868, 0x6868, 0 },
>> +	{ 0x6969, 0x6969, 0x6969, 0 },
>> +	{ 0x6a6a, 0x6a6a, 0x6a6a, 0 },
>> +	{ 0x6b6b, 0x6b6b, 0x6b6b, 0 },
>> +	{ 0x6c6c, 0x6c6c, 0x6c6c, 0 },
>> +	{ 0x6d6d, 0x6d6d, 0x6d6d, 0 },
>> +	{ 0x6e6e, 0x6e6e, 0x6e6e, 0 },
>> +	{ 0x6f6f, 0x6f6f, 0x6f6f, 0 },
>> +	{ 0x7070, 0x7070, 0x7070, 0 },
>> +	{ 0x7171, 0x7171, 0x7171, 0 },
>> +	{ 0x7272, 0x7272, 0x7272, 0 },
>> +	{ 0x7373, 0x7373, 0x7373, 0 },
>> +	{ 0x7474, 0x7474, 0x7474, 0 },
>> +	{ 0x7575, 0x7575, 0x7575, 0 },
>> +	{ 0x7676, 0x7676, 0x7676, 0 },
>> +	{ 0x7777, 0x7777, 0x7777, 0 },
>> +	{ 0x7878, 0x7878, 0x7878, 0 },
>> +	{ 0x7979, 0x7979, 0x7979, 0 },
>> +	{ 0x7a7a, 0x7a7a, 0x7a7a, 0 },
>> +	{ 0x7b7b, 0x7b7b, 0x7b7b, 0 },
>> +	{ 0x7c7c, 0x7c7c, 0x7c7c, 0 },
>> +	{ 0x7d7d, 0x7d7d, 0x7d7d, 0 },
>> +	{ 0x7e7e, 0x7e7e, 0x7e7e, 0 },
>> +	{ 0x7f7f, 0x7f7f, 0x7f7f, 0 },
>> +	{ 0x8080, 0x8080, 0x8080, 0 },
>> +	{ 0x8181, 0x8181, 0x8181, 0 },
>> +	{ 0x8282, 0x8282, 0x8282, 0 },
>> +	{ 0x8383, 0x8383, 0x8383, 0 },
>> +	{ 0x8484, 0x8484, 0x8484, 0 },
>> +	{ 0x8585, 0x8585, 0x8585, 0 },
>> +	{ 0x8686, 0x8686, 0x8686, 0 },
>> +	{ 0x8787, 0x8787, 0x8787, 0 },
>> +	{ 0x8888, 0x8888, 0x8888, 0 },
>> +	{ 0x8989, 0x8989, 0x8989, 0 },
>> +	{ 0x8a8a, 0x8a8a, 0x8a8a, 0 },
>> +	{ 0x8b8b, 0x8b8b, 0x8b8b, 0 },
>> +	{ 0x8c8c, 0x8c8c, 0x8c8c, 0 },
>> +	{ 0x8d8d, 0x8d8d, 0x8d8d, 0 },
>> +	{ 0x8e8e, 0x8e8e, 0x8e8e, 0 },
>> +	{ 0x8f8f, 0x8f8f, 0x8f8f, 0 },
>> +	{ 0x9090, 0x9090, 0x9090, 0 },
>> +	{ 0x9191, 0x9191, 0x9191, 0 },
>> +	{ 0x9292, 0x9292, 0x9292, 0 },
>> +	{ 0x9393, 0x9393, 0x9393, 0 },
>> +	{ 0x9494, 0x9494, 0x9494, 0 },
>> +	{ 0x9595, 0x9595, 0x9595, 0 },
>> +	{ 0x9696, 0x9696, 0x9696, 0 },
>> +	{ 0x9797, 0x9797, 0x9797, 0 },
>> +	{ 0x9898, 0x9898, 0x9898, 0 },
>> +	{ 0x9999, 0x9999, 0x9999, 0 },
>> +	{ 0x9a9a, 0x9a9a, 0x9a9a, 0 },
>> +	{ 0x9b9b, 0x9b9b, 0x9b9b, 0 },
>> +	{ 0x9c9c, 0x9c9c, 0x9c9c, 0 },
>> +	{ 0x9d9d, 0x9d9d, 0x9d9d, 0 },
>> +	{ 0x9e9e, 0x9e9e, 0x9e9e, 0 },
>> +	{ 0x9f9f, 0x9f9f, 0x9f9f, 0 },
>> +	{ 0xa0a0, 0xa0a0, 0xa0a0, 0 },
>> +	{ 0xa1a1, 0xa1a1, 0xa1a1, 0 },
>> +	{ 0xa2a2, 0xa2a2, 0xa2a2, 0 },
>> +	{ 0xa3a3, 0xa3a3, 0xa3a3, 0 },
>> +	{ 0xa4a4, 0xa4a4, 0xa4a4, 0 },
>> +	{ 0xa5a5, 0xa5a5, 0xa5a5, 0 },
>> +	{ 0xa6a6, 0xa6a6, 0xa6a6, 0 },
>> +	{ 0xa7a7, 0xa7a7, 0xa7a7, 0 },
>> +	{ 0xa8a8, 0xa8a8, 0xa8a8, 0 },
>> +	{ 0xa9a9, 0xa9a9, 0xa9a9, 0 },
>> +	{ 0xaaaa, 0xaaaa, 0xaaaa, 0 },
>> +	{ 0xabab, 0xabab, 0xabab, 0 },
>> +	{ 0xacac, 0xacac, 0xacac, 0 },
>> +	{ 0xadad, 0xadad, 0xadad, 0 },
>> +	{ 0xaeae, 0xaeae, 0xaeae, 0 },
>> +	{ 0xafaf, 0xafaf, 0xafaf, 0 },
>> +	{ 0xb0b0, 0xb0b0, 0xb0b0, 0 },
>> +	{ 0xb1b1, 0xb1b1, 0xb1b1, 0 },
>> +	{ 0xb2b2, 0xb2b2, 0xb2b2, 0 },
>> +	{ 0xb3b3, 0xb3b3, 0xb3b3, 0 },
>> +	{ 0xb4b4, 0xb4b4, 0xb4b4, 0 },
>> +	{ 0xb5b5, 0xb5b5, 0xb5b5, 0 },
>> +	{ 0xb6b6, 0xb6b6, 0xb6b6, 0 },
>> +	{ 0xb7b7, 0xb7b7, 0xb7b7, 0 },
>> +	{ 0xb8b8, 0xb8b8, 0xb8b8, 0 },
>> +	{ 0xb9b9, 0xb9b9, 0xb9b9, 0 },
>> +	{ 0xbaba, 0xbaba, 0xbaba, 0 },
>> +	{ 0xbbbb, 0xbbbb, 0xbbbb, 0 },
>> +	{ 0xbcbc, 0xbcbc, 0xbcbc, 0 },
>> +	{ 0xbdbd, 0xbdbd, 0xbdbd, 0 },
>> +	{ 0xbebe, 0xbebe, 0xbebe, 0 },
>> +	{ 0xbfbf, 0xbfbf, 0xbfbf, 0 },
>> +	{ 0xc0c0, 0xc0c0, 0xc0c0, 0 },
>> +	{ 0xc1c1, 0xc1c1, 0xc1c1, 0 },
>> +	{ 0xc2c2, 0xc2c2, 0xc2c2, 0 },
>> +	{ 0xc3c3, 0xc3c3, 0xc3c3, 0 },
>> +	{ 0xc4c4, 0xc4c4, 0xc4c4, 0 },
>> +	{ 0xc5c5, 0xc5c5, 0xc5c5, 0 },
>> +	{ 0xc6c6, 0xc6c6, 0xc6c6, 0 },
>> +	{ 0xc7c7, 0xc7c7, 0xc7c7, 0 },
>> +	{ 0xc8c8, 0xc8c8, 0xc8c8, 0 },
>> +	{ 0xc9c9, 0xc9c9, 0xc9c9, 0 },
>> +	{ 0xcaca, 0xcaca, 0xcaca, 0 },
>> +	{ 0xcbcb, 0xcbcb, 0xcbcb, 0 },
>> +	{ 0xcccc, 0xcccc, 0xcccc, 0 },
>> +	{ 0xcdcd, 0xcdcd, 0xcdcd, 0 },
>> +	{ 0xcece, 0xcece, 0xcece, 0 },
>> +	{ 0xcfcf, 0xcfcf, 0xcfcf, 0 },
>> +	{ 0xd0d0, 0xd0d0, 0xd0d0, 0 },
>> +	{ 0xd1d1, 0xd1d1, 0xd1d1, 0 },
>> +	{ 0xd2d2, 0xd2d2, 0xd2d2, 0 },
>> +	{ 0xd3d3, 0xd3d3, 0xd3d3, 0 },
>> +	{ 0xd4d4, 0xd4d4, 0xd4d4, 0 },
>> +	{ 0xd5d5, 0xd5d5, 0xd5d5, 0 },
>> +	{ 0xd6d6, 0xd6d6, 0xd6d6, 0 },
>> +	{ 0xd7d7, 0xd7d7, 0xd7d7, 0 },
>> +	{ 0xd8d8, 0xd8d8, 0xd8d8, 0 },
>> +	{ 0xd9d9, 0xd9d9, 0xd9d9, 0 },
>> +	{ 0xdada, 0xdada, 0xdada, 0 },
>> +	{ 0xdbdb, 0xdbdb, 0xdbdb, 0 },
>> +	{ 0xdcdc, 0xdcdc, 0xdcdc, 0 },
>> +	{ 0xdddd, 0xdddd, 0xdddd, 0 },
>> +	{ 0xdede, 0xdede, 0xdede, 0 },
>> +	{ 0xdfdf, 0xdfdf, 0xdfdf, 0 },
>> +	{ 0xe0e0, 0xe0e0, 0xe0e0, 0 },
>> +	{ 0xe1e1, 0xe1e1, 0xe1e1, 0 },
>> +	{ 0xe2e2, 0xe2e2, 0xe2e2, 0 },
>> +	{ 0xe3e3, 0xe3e3, 0xe3e3, 0 },
>> +	{ 0xe4e4, 0xe4e4, 0xe4e4, 0 },
>> +	{ 0xe5e5, 0xe5e5, 0xe5e5, 0 },
>> +	{ 0xe6e6, 0xe6e6, 0xe6e6, 0 },
>> +	{ 0xe7e7, 0xe7e7, 0xe7e7, 0 },
>> +	{ 0xe8e8, 0xe8e8, 0xe8e8, 0 },
>> +	{ 0xe9e9, 0xe9e9, 0xe9e9, 0 },
>> +	{ 0xeaea, 0xeaea, 0xeaea, 0 },
>> +	{ 0xebeb, 0xebeb, 0xebeb, 0 },
>> +	{ 0xecec, 0xecec, 0xecec, 0 },
>> +	{ 0xeded, 0xeded, 0xeded, 0 },
>> +	{ 0xeeee, 0xeeee, 0xeeee, 0 },
>> +	{ 0xefef, 0xefef, 0xefef, 0 },
>> +	{ 0xf0f0, 0xf0f0, 0xf0f0, 0 },
>> +	{ 0xf1f1, 0xf1f1, 0xf1f1, 0 },
>> +	{ 0xf2f2, 0xf2f2, 0xf2f2, 0 },
>> +	{ 0xf3f3, 0xf3f3, 0xf3f3, 0 },
>> +	{ 0xf4f4, 0xf4f4, 0xf4f4, 0 },
>> +	{ 0xf5f5, 0xf5f5, 0xf5f5, 0 },
>> +	{ 0xf6f6, 0xf6f6, 0xf6f6, 0 },
>> +	{ 0xf7f7, 0xf7f7, 0xf7f7, 0 },
>> +	{ 0xf8f8, 0xf8f8, 0xf8f8, 0 },
>> +	{ 0xf9f9, 0xf9f9, 0xf9f9, 0 },
>> +	{ 0xfafa, 0xfafa, 0xfafa, 0 },
>> +	{ 0xfbfb, 0xfbfb, 0xfbfb, 0 },
>> +	{ 0xfcfc, 0xfcfc, 0xfcfc, 0 },
>> +	{ 0xfdfd, 0xfdfd, 0xfdfd, 0 },
>> +	{ 0xfefe, 0xfefe, 0xfefe, 0 },
>> +	{ 0xffff, 0xffff, 0xffff, 0 },
>> +};
>> +
>> +const struct vkms_color_lut linear_eotf = {
>> +	.base = linear_array,
>> +	.lut_length = LUT_SIZE,
>> +	.channel_value2index_ratio = 0xff00ffll
>> +};
>> +EXPORT_SYMBOL(linear_eotf);
>> +
>> +static struct drm_color_lut srgb_array[LUT_SIZE] = {
>> +	{ 0x0, 0x0, 0x0, 0 },
>> +	{ 0x13, 0x13, 0x13, 0 },
>> +	{ 0x27, 0x27, 0x27, 0 },
>> +	{ 0x3b, 0x3b, 0x3b, 0 },
>> +	{ 0x4f, 0x4f, 0x4f, 0 },
>> +	{ 0x63, 0x63, 0x63, 0 },
>> +	{ 0x77, 0x77, 0x77, 0 },
>> +	{ 0x8b, 0x8b, 0x8b, 0 },
>> +	{ 0x9f, 0x9f, 0x9f, 0 },
>> +	{ 0xb3, 0xb3, 0xb3, 0 },
>> +	{ 0xc6, 0xc6, 0xc6, 0 },
>> +	{ 0xdb, 0xdb, 0xdb, 0 },
>> +	{ 0xf0, 0xf0, 0xf0, 0 },
>> +	{ 0x107, 0x107, 0x107, 0 },
>> +	{ 0x11f, 0x11f, 0x11f, 0 },
>> +	{ 0x139, 0x139, 0x139, 0 },
>> +	{ 0x153, 0x153, 0x153, 0 },
>> +	{ 0x16f, 0x16f, 0x16f, 0 },
>> +	{ 0x18c, 0x18c, 0x18c, 0 },
>> +	{ 0x1aa, 0x1aa, 0x1aa, 0 },
>> +	{ 0x1ca, 0x1ca, 0x1ca, 0 },
>> +	{ 0x1eb, 0x1eb, 0x1eb, 0 },
>> +	{ 0x20d, 0x20d, 0x20d, 0 },
>> +	{ 0x231, 0x231, 0x231, 0 },
>> +	{ 0x256, 0x256, 0x256, 0 },
>> +	{ 0x27d, 0x27d, 0x27d, 0 },
>> +	{ 0x2a4, 0x2a4, 0x2a4, 0 },
>> +	{ 0x2ce, 0x2ce, 0x2ce, 0 },
>> +	{ 0x2f9, 0x2f9, 0x2f9, 0 },
>> +	{ 0x325, 0x325, 0x325, 0 },
>> +	{ 0x352, 0x352, 0x352, 0 },
>> +	{ 0x381, 0x381, 0x381, 0 },
>> +	{ 0x3b2, 0x3b2, 0x3b2, 0 },
>> +	{ 0x3e4, 0x3e4, 0x3e4, 0 },
>> +	{ 0x418, 0x418, 0x418, 0 },
>> +	{ 0x44d, 0x44d, 0x44d, 0 },
>> +	{ 0x484, 0x484, 0x484, 0 },
>> +	{ 0x4bc, 0x4bc, 0x4bc, 0 },
>> +	{ 0x4f6, 0x4f6, 0x4f6, 0 },
>> +	{ 0x531, 0x531, 0x531, 0 },
>> +	{ 0x56e, 0x56e, 0x56e, 0 },
>> +	{ 0x5ad, 0x5ad, 0x5ad, 0 },
>> +	{ 0x5ed, 0x5ed, 0x5ed, 0 },
>> +	{ 0x62f, 0x62f, 0x62f, 0 },
>> +	{ 0x672, 0x672, 0x672, 0 },
>> +	{ 0x6b7, 0x6b7, 0x6b7, 0 },
>> +	{ 0x6fe, 0x6fe, 0x6fe, 0 },
>> +	{ 0x746, 0x746, 0x746, 0 },
>> +	{ 0x791, 0x791, 0x791, 0 },
>> +	{ 0x7dc, 0x7dc, 0x7dc, 0 },
>> +	{ 0x82a, 0x82a, 0x82a, 0 },
>> +	{ 0x879, 0x879, 0x879, 0 },
>> +	{ 0x8ca, 0x8ca, 0x8ca, 0 },
>> +	{ 0x91d, 0x91d, 0x91d, 0 },
>> +	{ 0x971, 0x971, 0x971, 0 },
>> +	{ 0x9c7, 0x9c7, 0x9c7, 0 },
>> +	{ 0xa1f, 0xa1f, 0xa1f, 0 },
>> +	{ 0xa79, 0xa79, 0xa79, 0 },
>> +	{ 0xad4, 0xad4, 0xad4, 0 },
>> +	{ 0xb32, 0xb32, 0xb32, 0 },
>> +	{ 0xb91, 0xb91, 0xb91, 0 },
>> +	{ 0xbf2, 0xbf2, 0xbf2, 0 },
>> +	{ 0xc54, 0xc54, 0xc54, 0 },
>> +	{ 0xcb9, 0xcb9, 0xcb9, 0 },
>> +	{ 0xd1f, 0xd1f, 0xd1f, 0 },
>> +	{ 0xd88, 0xd88, 0xd88, 0 },
>> +	{ 0xdf2, 0xdf2, 0xdf2, 0 },
>> +	{ 0xe5e, 0xe5e, 0xe5e, 0 },
>> +	{ 0xecc, 0xecc, 0xecc, 0 },
>> +	{ 0xf3c, 0xf3c, 0xf3c, 0 },
>> +	{ 0xfad, 0xfad, 0xfad, 0 },
>> +	{ 0x1021, 0x1021, 0x1021, 0 },
>> +	{ 0x1096, 0x1096, 0x1096, 0 },
>> +	{ 0x110e, 0x110e, 0x110e, 0 },
>> +	{ 0x1187, 0x1187, 0x1187, 0 },
>> +	{ 0x1203, 0x1203, 0x1203, 0 },
>> +	{ 0x1280, 0x1280, 0x1280, 0 },
>> +	{ 0x12ff, 0x12ff, 0x12ff, 0 },
>> +	{ 0x1380, 0x1380, 0x1380, 0 },
>> +	{ 0x1404, 0x1404, 0x1404, 0 },
>> +	{ 0x1489, 0x1489, 0x1489, 0 },
>> +	{ 0x1510, 0x1510, 0x1510, 0 },
>> +	{ 0x1599, 0x1599, 0x1599, 0 },
>> +	{ 0x1624, 0x1624, 0x1624, 0 },
>> +	{ 0x16b2, 0x16b2, 0x16b2, 0 },
>> +	{ 0x1741, 0x1741, 0x1741, 0 },
>> +	{ 0x17d2, 0x17d2, 0x17d2, 0 },
>> +	{ 0x1865, 0x1865, 0x1865, 0 },
>> +	{ 0x18fb, 0x18fb, 0x18fb, 0 },
>> +	{ 0x1992, 0x1992, 0x1992, 0 },
>> +	{ 0x1a2c, 0x1a2c, 0x1a2c, 0 },
>> +	{ 0x1ac8, 0x1ac8, 0x1ac8, 0 },
>> +	{ 0x1b65, 0x1b65, 0x1b65, 0 },
>> +	{ 0x1c05, 0x1c05, 0x1c05, 0 },
>> +	{ 0x1ca7, 0x1ca7, 0x1ca7, 0 },
>> +	{ 0x1d4b, 0x1d4b, 0x1d4b, 0 },
>> +	{ 0x1df1, 0x1df1, 0x1df1, 0 },
>> +	{ 0x1e99, 0x1e99, 0x1e99, 0 },
>> +	{ 0x1f44, 0x1f44, 0x1f44, 0 },
>> +	{ 0x1ff0, 0x1ff0, 0x1ff0, 0 },
>> +	{ 0x209f, 0x209f, 0x209f, 0 },
>> +	{ 0x2150, 0x2150, 0x2150, 0 },
>> +	{ 0x2203, 0x2203, 0x2203, 0 },
>> +	{ 0x22b8, 0x22b8, 0x22b8, 0 },
>> +	{ 0x2370, 0x2370, 0x2370, 0 },
>> +	{ 0x2429, 0x2429, 0x2429, 0 },
>> +	{ 0x24e5, 0x24e5, 0x24e5, 0 },
>> +	{ 0x25a3, 0x25a3, 0x25a3, 0 },
>> +	{ 0x2663, 0x2663, 0x2663, 0 },
>> +	{ 0x2726, 0x2726, 0x2726, 0 },
>> +	{ 0x27ea, 0x27ea, 0x27ea, 0 },
>> +	{ 0x28b1, 0x28b1, 0x28b1, 0 },
>> +	{ 0x297a, 0x297a, 0x297a, 0 },
>> +	{ 0x2a45, 0x2a45, 0x2a45, 0 },
>> +	{ 0x2b13, 0x2b13, 0x2b13, 0 },
>> +	{ 0x2be3, 0x2be3, 0x2be3, 0 },
>> +	{ 0x2cb5, 0x2cb5, 0x2cb5, 0 },
>> +	{ 0x2d89, 0x2d89, 0x2d89, 0 },
>> +	{ 0x2e60, 0x2e60, 0x2e60, 0 },
>> +	{ 0x2f39, 0x2f39, 0x2f39, 0 },
>> +	{ 0x3014, 0x3014, 0x3014, 0 },
>> +	{ 0x30f2, 0x30f2, 0x30f2, 0 },
>> +	{ 0x31d2, 0x31d2, 0x31d2, 0 },
>> +	{ 0x32b4, 0x32b4, 0x32b4, 0 },
>> +	{ 0x3398, 0x3398, 0x3398, 0 },
>> +	{ 0x347f, 0x347f, 0x347f, 0 },
>> +	{ 0x3569, 0x3569, 0x3569, 0 },
>> +	{ 0x3654, 0x3654, 0x3654, 0 },
>> +	{ 0x3742, 0x3742, 0x3742, 0 },
>> +	{ 0x3832, 0x3832, 0x3832, 0 },
>> +	{ 0x3925, 0x3925, 0x3925, 0 },
>> +	{ 0x3a1a, 0x3a1a, 0x3a1a, 0 },
>> +	{ 0x3b11, 0x3b11, 0x3b11, 0 },
>> +	{ 0x3c0b, 0x3c0b, 0x3c0b, 0 },
>> +	{ 0x3d07, 0x3d07, 0x3d07, 0 },
>> +	{ 0x3e05, 0x3e05, 0x3e05, 0 },
>> +	{ 0x3f06, 0x3f06, 0x3f06, 0 },
>> +	{ 0x400a, 0x400a, 0x400a, 0 },
>> +	{ 0x410f, 0x410f, 0x410f, 0 },
>> +	{ 0x4218, 0x4218, 0x4218, 0 },
>> +	{ 0x4322, 0x4322, 0x4322, 0 },
>> +	{ 0x442f, 0x442f, 0x442f, 0 },
>> +	{ 0x453f, 0x453f, 0x453f, 0 },
>> +	{ 0x4650, 0x4650, 0x4650, 0 },
>> +	{ 0x4765, 0x4765, 0x4765, 0 },
>> +	{ 0x487c, 0x487c, 0x487c, 0 },
>> +	{ 0x4995, 0x4995, 0x4995, 0 },
>> +	{ 0x4ab1, 0x4ab1, 0x4ab1, 0 },
>> +	{ 0x4bcf, 0x4bcf, 0x4bcf, 0 },
>> +	{ 0x4cf0, 0x4cf0, 0x4cf0, 0 },
>> +	{ 0x4e13, 0x4e13, 0x4e13, 0 },
>> +	{ 0x4f39, 0x4f39, 0x4f39, 0 },
>> +	{ 0x5061, 0x5061, 0x5061, 0 },
>> +	{ 0x518b, 0x518b, 0x518b, 0 },
>> +	{ 0x52b9, 0x52b9, 0x52b9, 0 },
>> +	{ 0x53e8, 0x53e8, 0x53e8, 0 },
>> +	{ 0x551b, 0x551b, 0x551b, 0 },
>> +	{ 0x5650, 0x5650, 0x5650, 0 },
>> +	{ 0x5787, 0x5787, 0x5787, 0 },
>> +	{ 0x58c1, 0x58c1, 0x58c1, 0 },
>> +	{ 0x59fd, 0x59fd, 0x59fd, 0 },
>> +	{ 0x5b3c, 0x5b3c, 0x5b3c, 0 },
>> +	{ 0x5c7e, 0x5c7e, 0x5c7e, 0 },
>> +	{ 0x5dc2, 0x5dc2, 0x5dc2, 0 },
>> +	{ 0x5f09, 0x5f09, 0x5f09, 0 },
>> +	{ 0x6052, 0x6052, 0x6052, 0 },
>> +	{ 0x619e, 0x619e, 0x619e, 0 },
>> +	{ 0x62ec, 0x62ec, 0x62ec, 0 },
>> +	{ 0x643d, 0x643d, 0x643d, 0 },
>> +	{ 0x6591, 0x6591, 0x6591, 0 },
>> +	{ 0x66e7, 0x66e7, 0x66e7, 0 },
>> +	{ 0x6840, 0x6840, 0x6840, 0 },
>> +	{ 0x699b, 0x699b, 0x699b, 0 },
>> +	{ 0x6afa, 0x6afa, 0x6afa, 0 },
>> +	{ 0x6c5a, 0x6c5a, 0x6c5a, 0 },
>> +	{ 0x6dbe, 0x6dbe, 0x6dbe, 0 },
>> +	{ 0x6f24, 0x6f24, 0x6f24, 0 },
>> +	{ 0x708c, 0x708c, 0x708c, 0 },
>> +	{ 0x71f8, 0x71f8, 0x71f8, 0 },
>> +	{ 0x7366, 0x7366, 0x7366, 0 },
>> +	{ 0x74d6, 0x74d6, 0x74d6, 0 },
>> +	{ 0x764a, 0x764a, 0x764a, 0 },
>> +	{ 0x77c0, 0x77c0, 0x77c0, 0 },
>> +	{ 0x7938, 0x7938, 0x7938, 0 },
>> +	{ 0x7ab4, 0x7ab4, 0x7ab4, 0 },
>> +	{ 0x7c32, 0x7c32, 0x7c32, 0 },
>> +	{ 0x7db3, 0x7db3, 0x7db3, 0 },
>> +	{ 0x7f36, 0x7f36, 0x7f36, 0 },
>> +	{ 0x80bc, 0x80bc, 0x80bc, 0 },
>> +	{ 0x8245, 0x8245, 0x8245, 0 },
>> +	{ 0x83d1, 0x83d1, 0x83d1, 0 },
>> +	{ 0x855f, 0x855f, 0x855f, 0 },
>> +	{ 0x86f0, 0x86f0, 0x86f0, 0 },
>> +	{ 0x8884, 0x8884, 0x8884, 0 },
>> +	{ 0x8a1a, 0x8a1a, 0x8a1a, 0 },
>> +	{ 0x8bb4, 0x8bb4, 0x8bb4, 0 },
>> +	{ 0x8d50, 0x8d50, 0x8d50, 0 },
>> +	{ 0x8eee, 0x8eee, 0x8eee, 0 },
>> +	{ 0x9090, 0x9090, 0x9090, 0 },
>> +	{ 0x9234, 0x9234, 0x9234, 0 },
>> +	{ 0x93db, 0x93db, 0x93db, 0 },
>> +	{ 0x9585, 0x9585, 0x9585, 0 },
>> +	{ 0x9732, 0x9732, 0x9732, 0 },
>> +	{ 0x98e1, 0x98e1, 0x98e1, 0 },
>> +	{ 0x9a93, 0x9a93, 0x9a93, 0 },
>> +	{ 0x9c48, 0x9c48, 0x9c48, 0 },
>> +	{ 0x9e00, 0x9e00, 0x9e00, 0 },
>> +	{ 0x9fbb, 0x9fbb, 0x9fbb, 0 },
>> +	{ 0xa178, 0xa178, 0xa178, 0 },
>> +	{ 0xa338, 0xa338, 0xa338, 0 },
>> +	{ 0xa4fb, 0xa4fb, 0xa4fb, 0 },
>> +	{ 0xa6c1, 0xa6c1, 0xa6c1, 0 },
>> +	{ 0xa88a, 0xa88a, 0xa88a, 0 },
>> +	{ 0xaa56, 0xaa56, 0xaa56, 0 },
>> +	{ 0xac24, 0xac24, 0xac24, 0 },
>> +	{ 0xadf5, 0xadf5, 0xadf5, 0 },
>> +	{ 0xafc9, 0xafc9, 0xafc9, 0 },
>> +	{ 0xb1a0, 0xb1a0, 0xb1a0, 0 },
>> +	{ 0xb37a, 0xb37a, 0xb37a, 0 },
>> +	{ 0xb557, 0xb557, 0xb557, 0 },
>> +	{ 0xb736, 0xb736, 0xb736, 0 },
>> +	{ 0xb919, 0xb919, 0xb919, 0 },
>> +	{ 0xbafe, 0xbafe, 0xbafe, 0 },
>> +	{ 0xbce6, 0xbce6, 0xbce6, 0 },
>> +	{ 0xbed2, 0xbed2, 0xbed2, 0 },
>> +	{ 0xc0c0, 0xc0c0, 0xc0c0, 0 },
>> +	{ 0xc2b0, 0xc2b0, 0xc2b0, 0 },
>> +	{ 0xc4a4, 0xc4a4, 0xc4a4, 0 },
>> +	{ 0xc69b, 0xc69b, 0xc69b, 0 },
>> +	{ 0xc895, 0xc895, 0xc895, 0 },
>> +	{ 0xca91, 0xca91, 0xca91, 0 },
>> +	{ 0xcc91, 0xcc91, 0xcc91, 0 },
>> +	{ 0xce93, 0xce93, 0xce93, 0 },
>> +	{ 0xd098, 0xd098, 0xd098, 0 },
>> +	{ 0xd2a1, 0xd2a1, 0xd2a1, 0 },
>> +	{ 0xd4ac, 0xd4ac, 0xd4ac, 0 },
>> +	{ 0xd6ba, 0xd6ba, 0xd6ba, 0 },
>> +	{ 0xd8cb, 0xd8cb, 0xd8cb, 0 },
>> +	{ 0xdadf, 0xdadf, 0xdadf, 0 },
>> +	{ 0xdcf7, 0xdcf7, 0xdcf7, 0 },
>> +	{ 0xdf11, 0xdf11, 0xdf11, 0 },
>> +	{ 0xe12e, 0xe12e, 0xe12e, 0 },
>> +	{ 0xe34e, 0xe34e, 0xe34e, 0 },
>> +	{ 0xe571, 0xe571, 0xe571, 0 },
>> +	{ 0xe796, 0xe796, 0xe796, 0 },
>> +	{ 0xe9bf, 0xe9bf, 0xe9bf, 0 },
>> +	{ 0xebeb, 0xebeb, 0xebeb, 0 },
>> +	{ 0xee1a, 0xee1a, 0xee1a, 0 },
>> +	{ 0xf04c, 0xf04c, 0xf04c, 0 },
>> +	{ 0xf281, 0xf281, 0xf281, 0 },
>> +	{ 0xf4b9, 0xf4b9, 0xf4b9, 0 },
>> +	{ 0xf6f4, 0xf6f4, 0xf6f4, 0 },
>> +	{ 0xf932, 0xf932, 0xf932, 0 },
>> +	{ 0xfb73, 0xfb73, 0xfb73, 0 },
>> +	{ 0xfdb7, 0xfdb7, 0xfdb7, 0 },
>> +	{ 0xffff, 0xffff, 0xffff, 0 },
>> +};
>> +
>> +const struct vkms_color_lut srgb_eotf = {
>> +	.base = srgb_array,
>> +	.lut_length = LUT_SIZE,
>> +	.channel_value2index_ratio = 0xff00ffll
>> +};
>> +EXPORT_SYMBOL(srgb_eotf);
>> +
>> +static struct drm_color_lut srgb_inv_array[LUT_SIZE] = {
>> +	{ 0x0, 0x0, 0x0, 0 },
>> +	{ 0xcc2, 0xcc2, 0xcc2, 0 },
>> +	{ 0x15be, 0x15be, 0x15be, 0 },
>> +	{ 0x1c56, 0x1c56, 0x1c56, 0 },
>> +	{ 0x21bd, 0x21bd, 0x21bd, 0 },
>> +	{ 0x2666, 0x2666, 0x2666, 0 },
>> +	{ 0x2a8a, 0x2a8a, 0x2a8a, 0 },
>> +	{ 0x2e4c, 0x2e4c, 0x2e4c, 0 },
>> +	{ 0x31c0, 0x31c0, 0x31c0, 0 },
>> +	{ 0x34f6, 0x34f6, 0x34f6, 0 },
>> +	{ 0x37f9, 0x37f9, 0x37f9, 0 },
>> +	{ 0x3acf, 0x3acf, 0x3acf, 0 },
>> +	{ 0x3d80, 0x3d80, 0x3d80, 0 },
>> +	{ 0x4010, 0x4010, 0x4010, 0 },
>> +	{ 0x4284, 0x4284, 0x4284, 0 },
>> +	{ 0x44dd, 0x44dd, 0x44dd, 0 },
>> +	{ 0x4720, 0x4720, 0x4720, 0 },
>> +	{ 0x494e, 0x494e, 0x494e, 0 },
>> +	{ 0x4b69, 0x4b69, 0x4b69, 0 },
>> +	{ 0x4d73, 0x4d73, 0x4d73, 0 },
>> +	{ 0x4f6e, 0x4f6e, 0x4f6e, 0 },
>> +	{ 0x5159, 0x5159, 0x5159, 0 },
>> +	{ 0x5337, 0x5337, 0x5337, 0 },
>> +	{ 0x5509, 0x5509, 0x5509, 0 },
>> +	{ 0x56cf, 0x56cf, 0x56cf, 0 },
>> +	{ 0x588a, 0x588a, 0x588a, 0 },
>> +	{ 0x5a3b, 0x5a3b, 0x5a3b, 0 },
>> +	{ 0x5be2, 0x5be2, 0x5be2, 0 },
>> +	{ 0x5d80, 0x5d80, 0x5d80, 0 },
>> +	{ 0x5f16, 0x5f16, 0x5f16, 0 },
>> +	{ 0x60a4, 0x60a4, 0x60a4, 0 },
>> +	{ 0x6229, 0x6229, 0x6229, 0 },
>> +	{ 0x63a8, 0x63a8, 0x63a8, 0 },
>> +	{ 0x6520, 0x6520, 0x6520, 0 },
>> +	{ 0x6691, 0x6691, 0x6691, 0 },
>> +	{ 0x67fc, 0x67fc, 0x67fc, 0 },
>> +	{ 0x6961, 0x6961, 0x6961, 0 },
>> +	{ 0x6ac0, 0x6ac0, 0x6ac0, 0 },
>> +	{ 0x6c19, 0x6c19, 0x6c19, 0 },
>> +	{ 0x6d6e, 0x6d6e, 0x6d6e, 0 },
>> +	{ 0x6ebd, 0x6ebd, 0x6ebd, 0 },
>> +	{ 0x7008, 0x7008, 0x7008, 0 },
>> +	{ 0x714d, 0x714d, 0x714d, 0 },
>> +	{ 0x728f, 0x728f, 0x728f, 0 },
>> +	{ 0x73cc, 0x73cc, 0x73cc, 0 },
>> +	{ 0x7504, 0x7504, 0x7504, 0 },
>> +	{ 0x7639, 0x7639, 0x7639, 0 },
>> +	{ 0x776a, 0x776a, 0x776a, 0 },
>> +	{ 0x7897, 0x7897, 0x7897, 0 },
>> +	{ 0x79c1, 0x79c1, 0x79c1, 0 },
>> +	{ 0x7ae7, 0x7ae7, 0x7ae7, 0 },
>> +	{ 0x7c09, 0x7c09, 0x7c09, 0 },
>> +	{ 0x7d28, 0x7d28, 0x7d28, 0 },
>> +	{ 0x7e44, 0x7e44, 0x7e44, 0 },
>> +	{ 0x7f5d, 0x7f5d, 0x7f5d, 0 },
>> +	{ 0x8073, 0x8073, 0x8073, 0 },
>> +	{ 0x8186, 0x8186, 0x8186, 0 },
>> +	{ 0x8296, 0x8296, 0x8296, 0 },
>> +	{ 0x83a4, 0x83a4, 0x83a4, 0 },
>> +	{ 0x84ae, 0x84ae, 0x84ae, 0 },
>> +	{ 0x85b6, 0x85b6, 0x85b6, 0 },
>> +	{ 0x86bc, 0x86bc, 0x86bc, 0 },
>> +	{ 0x87bf, 0x87bf, 0x87bf, 0 },
>> +	{ 0x88bf, 0x88bf, 0x88bf, 0 },
>> +	{ 0x89be, 0x89be, 0x89be, 0 },
>> +	{ 0x8ab9, 0x8ab9, 0x8ab9, 0 },
>> +	{ 0x8bb3, 0x8bb3, 0x8bb3, 0 },
>> +	{ 0x8cab, 0x8cab, 0x8cab, 0 },
>> +	{ 0x8da0, 0x8da0, 0x8da0, 0 },
>> +	{ 0x8e93, 0x8e93, 0x8e93, 0 },
>> +	{ 0x8f84, 0x8f84, 0x8f84, 0 },
>> +	{ 0x9073, 0x9073, 0x9073, 0 },
>> +	{ 0x9161, 0x9161, 0x9161, 0 },
>> +	{ 0x924c, 0x924c, 0x924c, 0 },
>> +	{ 0x9335, 0x9335, 0x9335, 0 },
>> +	{ 0x941d, 0x941d, 0x941d, 0 },
>> +	{ 0x9503, 0x9503, 0x9503, 0 },
>> +	{ 0x95e7, 0x95e7, 0x95e7, 0 },
>> +	{ 0x96c9, 0x96c9, 0x96c9, 0 },
>> +	{ 0x97aa, 0x97aa, 0x97aa, 0 },
>> +	{ 0x9889, 0x9889, 0x9889, 0 },
>> +	{ 0x9966, 0x9966, 0x9966, 0 },
>> +	{ 0x9a42, 0x9a42, 0x9a42, 0 },
>> +	{ 0x9b1c, 0x9b1c, 0x9b1c, 0 },
>> +	{ 0x9bf5, 0x9bf5, 0x9bf5, 0 },
>> +	{ 0x9ccc, 0x9ccc, 0x9ccc, 0 },
>> +	{ 0x9da1, 0x9da1, 0x9da1, 0 },
>> +	{ 0x9e76, 0x9e76, 0x9e76, 0 },
>> +	{ 0x9f49, 0x9f49, 0x9f49, 0 },
>> +	{ 0xa01a, 0xa01a, 0xa01a, 0 },
>> +	{ 0xa0ea, 0xa0ea, 0xa0ea, 0 },
>> +	{ 0xa1b9, 0xa1b9, 0xa1b9, 0 },
>> +	{ 0xa286, 0xa286, 0xa286, 0 },
>> +	{ 0xa352, 0xa352, 0xa352, 0 },
>> +	{ 0xa41d, 0xa41d, 0xa41d, 0 },
>> +	{ 0xa4e7, 0xa4e7, 0xa4e7, 0 },
>> +	{ 0xa5af, 0xa5af, 0xa5af, 0 },
>> +	{ 0xa676, 0xa676, 0xa676, 0 },
>> +	{ 0xa73c, 0xa73c, 0xa73c, 0 },
>> +	{ 0xa801, 0xa801, 0xa801, 0 },
>> +	{ 0xa8c5, 0xa8c5, 0xa8c5, 0 },
>> +	{ 0xa987, 0xa987, 0xa987, 0 },
>> +	{ 0xaa48, 0xaa48, 0xaa48, 0 },
>> +	{ 0xab09, 0xab09, 0xab09, 0 },
>> +	{ 0xabc8, 0xabc8, 0xabc8, 0 },
>> +	{ 0xac86, 0xac86, 0xac86, 0 },
>> +	{ 0xad43, 0xad43, 0xad43, 0 },
>> +	{ 0xadff, 0xadff, 0xadff, 0 },
>> +	{ 0xaeba, 0xaeba, 0xaeba, 0 },
>> +	{ 0xaf74, 0xaf74, 0xaf74, 0 },
>> +	{ 0xb02d, 0xb02d, 0xb02d, 0 },
>> +	{ 0xb0e5, 0xb0e5, 0xb0e5, 0 },
>> +	{ 0xb19c, 0xb19c, 0xb19c, 0 },
>> +	{ 0xb252, 0xb252, 0xb252, 0 },
>> +	{ 0xb307, 0xb307, 0xb307, 0 },
>> +	{ 0xb3bb, 0xb3bb, 0xb3bb, 0 },
>> +	{ 0xb46f, 0xb46f, 0xb46f, 0 },
>> +	{ 0xb521, 0xb521, 0xb521, 0 },
>> +	{ 0xb5d3, 0xb5d3, 0xb5d3, 0 },
>> +	{ 0xb683, 0xb683, 0xb683, 0 },
>> +	{ 0xb733, 0xb733, 0xb733, 0 },
>> +	{ 0xb7e2, 0xb7e2, 0xb7e2, 0 },
>> +	{ 0xb890, 0xb890, 0xb890, 0 },
>> +	{ 0xb93d, 0xb93d, 0xb93d, 0 },
>> +	{ 0xb9ea, 0xb9ea, 0xb9ea, 0 },
>> +	{ 0xba96, 0xba96, 0xba96, 0 },
>> +	{ 0xbb40, 0xbb40, 0xbb40, 0 },
>> +	{ 0xbbea, 0xbbea, 0xbbea, 0 },
>> +	{ 0xbc94, 0xbc94, 0xbc94, 0 },
>> +	{ 0xbd3c, 0xbd3c, 0xbd3c, 0 },
>> +	{ 0xbde4, 0xbde4, 0xbde4, 0 },
>> +	{ 0xbe8b, 0xbe8b, 0xbe8b, 0 },
>> +	{ 0xbf31, 0xbf31, 0xbf31, 0 },
>> +	{ 0xbfd7, 0xbfd7, 0xbfd7, 0 },
>> +	{ 0xc07b, 0xc07b, 0xc07b, 0 },
>> +	{ 0xc120, 0xc120, 0xc120, 0 },
>> +	{ 0xc1c3, 0xc1c3, 0xc1c3, 0 },
>> +	{ 0xc266, 0xc266, 0xc266, 0 },
>> +	{ 0xc308, 0xc308, 0xc308, 0 },
>> +	{ 0xc3a9, 0xc3a9, 0xc3a9, 0 },
>> +	{ 0xc449, 0xc449, 0xc449, 0 },
>> +	{ 0xc4e9, 0xc4e9, 0xc4e9, 0 },
>> +	{ 0xc589, 0xc589, 0xc589, 0 },
>> +	{ 0xc627, 0xc627, 0xc627, 0 },
>> +	{ 0xc6c5, 0xc6c5, 0xc6c5, 0 },
>> +	{ 0xc763, 0xc763, 0xc763, 0 },
>> +	{ 0xc7ff, 0xc7ff, 0xc7ff, 0 },
>> +	{ 0xc89b, 0xc89b, 0xc89b, 0 },
>> +	{ 0xc937, 0xc937, 0xc937, 0 },
>> +	{ 0xc9d2, 0xc9d2, 0xc9d2, 0 },
>> +	{ 0xca6c, 0xca6c, 0xca6c, 0 },
>> +	{ 0xcb06, 0xcb06, 0xcb06, 0 },
>> +	{ 0xcb9f, 0xcb9f, 0xcb9f, 0 },
>> +	{ 0xcc37, 0xcc37, 0xcc37, 0 },
>> +	{ 0xcccf, 0xcccf, 0xcccf, 0 },
>> +	{ 0xcd66, 0xcd66, 0xcd66, 0 },
>> +	{ 0xcdfd, 0xcdfd, 0xcdfd, 0 },
>> +	{ 0xce93, 0xce93, 0xce93, 0 },
>> +	{ 0xcf29, 0xcf29, 0xcf29, 0 },
>> +	{ 0xcfbe, 0xcfbe, 0xcfbe, 0 },
>> +	{ 0xd053, 0xd053, 0xd053, 0 },
>> +	{ 0xd0e7, 0xd0e7, 0xd0e7, 0 },
>> +	{ 0xd17a, 0xd17a, 0xd17a, 0 },
>> +	{ 0xd20d, 0xd20d, 0xd20d, 0 },
>> +	{ 0xd2a0, 0xd2a0, 0xd2a0, 0 },
>> +	{ 0xd331, 0xd331, 0xd331, 0 },
>> +	{ 0xd3c3, 0xd3c3, 0xd3c3, 0 },
>> +	{ 0xd454, 0xd454, 0xd454, 0 },
>> +	{ 0xd4e4, 0xd4e4, 0xd4e4, 0 },
>> +	{ 0xd574, 0xd574, 0xd574, 0 },
>> +	{ 0xd603, 0xd603, 0xd603, 0 },
>> +	{ 0xd692, 0xd692, 0xd692, 0 },
>> +	{ 0xd720, 0xd720, 0xd720, 0 },
>> +	{ 0xd7ae, 0xd7ae, 0xd7ae, 0 },
>> +	{ 0xd83c, 0xd83c, 0xd83c, 0 },
>> +	{ 0xd8c9, 0xd8c9, 0xd8c9, 0 },
>> +	{ 0xd955, 0xd955, 0xd955, 0 },
>> +	{ 0xd9e1, 0xd9e1, 0xd9e1, 0 },
>> +	{ 0xda6d, 0xda6d, 0xda6d, 0 },
>> +	{ 0xdaf8, 0xdaf8, 0xdaf8, 0 },
>> +	{ 0xdb83, 0xdb83, 0xdb83, 0 },
>> +	{ 0xdc0d, 0xdc0d, 0xdc0d, 0 },
>> +	{ 0xdc97, 0xdc97, 0xdc97, 0 },
>> +	{ 0xdd20, 0xdd20, 0xdd20, 0 },
>> +	{ 0xdda9, 0xdda9, 0xdda9, 0 },
>> +	{ 0xde31, 0xde31, 0xde31, 0 },
>> +	{ 0xdeb9, 0xdeb9, 0xdeb9, 0 },
>> +	{ 0xdf41, 0xdf41, 0xdf41, 0 },
>> +	{ 0xdfc8, 0xdfc8, 0xdfc8, 0 },
>> +	{ 0xe04f, 0xe04f, 0xe04f, 0 },
>> +	{ 0xe0d5, 0xe0d5, 0xe0d5, 0 },
>> +	{ 0xe15b, 0xe15b, 0xe15b, 0 },
>> +	{ 0xe1e0, 0xe1e0, 0xe1e0, 0 },
>> +	{ 0xe266, 0xe266, 0xe266, 0 },
>> +	{ 0xe2ea, 0xe2ea, 0xe2ea, 0 },
>> +	{ 0xe36f, 0xe36f, 0xe36f, 0 },
>> +	{ 0xe3f3, 0xe3f3, 0xe3f3, 0 },
>> +	{ 0xe476, 0xe476, 0xe476, 0 },
>> +	{ 0xe4f9, 0xe4f9, 0xe4f9, 0 },
>> +	{ 0xe57c, 0xe57c, 0xe57c, 0 },
>> +	{ 0xe5fe, 0xe5fe, 0xe5fe, 0 },
>> +	{ 0xe680, 0xe680, 0xe680, 0 },
>> +	{ 0xe702, 0xe702, 0xe702, 0 },
>> +	{ 0xe783, 0xe783, 0xe783, 0 },
>> +	{ 0xe804, 0xe804, 0xe804, 0 },
>> +	{ 0xe884, 0xe884, 0xe884, 0 },
>> +	{ 0xe905, 0xe905, 0xe905, 0 },
>> +	{ 0xe984, 0xe984, 0xe984, 0 },
>> +	{ 0xea04, 0xea04, 0xea04, 0 },
>> +	{ 0xea83, 0xea83, 0xea83, 0 },
>> +	{ 0xeb02, 0xeb02, 0xeb02, 0 },
>> +	{ 0xeb80, 0xeb80, 0xeb80, 0 },
>> +	{ 0xebfe, 0xebfe, 0xebfe, 0 },
>> +	{ 0xec7b, 0xec7b, 0xec7b, 0 },
>> +	{ 0xecf9, 0xecf9, 0xecf9, 0 },
>> +	{ 0xed76, 0xed76, 0xed76, 0 },
>> +	{ 0xedf2, 0xedf2, 0xedf2, 0 },
>> +	{ 0xee6f, 0xee6f, 0xee6f, 0 },
>> +	{ 0xeeeb, 0xeeeb, 0xeeeb, 0 },
>> +	{ 0xef66, 0xef66, 0xef66, 0 },
>> +	{ 0xefe2, 0xefe2, 0xefe2, 0 },
>> +	{ 0xf05d, 0xf05d, 0xf05d, 0 },
>> +	{ 0xf0d7, 0xf0d7, 0xf0d7, 0 },
>> +	{ 0xf152, 0xf152, 0xf152, 0 },
>> +	{ 0xf1cc, 0xf1cc, 0xf1cc, 0 },
>> +	{ 0xf245, 0xf245, 0xf245, 0 },
>> +	{ 0xf2bf, 0xf2bf, 0xf2bf, 0 },
>> +	{ 0xf338, 0xf338, 0xf338, 0 },
>> +	{ 0xf3b0, 0xf3b0, 0xf3b0, 0 },
>> +	{ 0xf429, 0xf429, 0xf429, 0 },
>> +	{ 0xf4a1, 0xf4a1, 0xf4a1, 0 },
>> +	{ 0xf519, 0xf519, 0xf519, 0 },
>> +	{ 0xf590, 0xf590, 0xf590, 0 },
>> +	{ 0xf608, 0xf608, 0xf608, 0 },
>> +	{ 0xf67e, 0xf67e, 0xf67e, 0 },
>> +	{ 0xf6f5, 0xf6f5, 0xf6f5, 0 },
>> +	{ 0xf76b, 0xf76b, 0xf76b, 0 },
>> +	{ 0xf7e1, 0xf7e1, 0xf7e1, 0 },
>> +	{ 0xf857, 0xf857, 0xf857, 0 },
>> +	{ 0xf8cd, 0xf8cd, 0xf8cd, 0 },
>> +	{ 0xf942, 0xf942, 0xf942, 0 },
>> +	{ 0xf9b7, 0xf9b7, 0xf9b7, 0 },
>> +	{ 0xfa2b, 0xfa2b, 0xfa2b, 0 },
>> +	{ 0xfaa0, 0xfaa0, 0xfaa0, 0 },
>> +	{ 0xfb14, 0xfb14, 0xfb14, 0 },
>> +	{ 0xfb88, 0xfb88, 0xfb88, 0 },
>> +	{ 0xfbfb, 0xfbfb, 0xfbfb, 0 },
>> +	{ 0xfc6e, 0xfc6e, 0xfc6e, 0 },
>> +	{ 0xfce1, 0xfce1, 0xfce1, 0 },
>> +	{ 0xfd54, 0xfd54, 0xfd54, 0 },
>> +	{ 0xfdc6, 0xfdc6, 0xfdc6, 0 },
>> +	{ 0xfe39, 0xfe39, 0xfe39, 0 },
>> +	{ 0xfeaa, 0xfeaa, 0xfeaa, 0 },
>> +	{ 0xff1c, 0xff1c, 0xff1c, 0 },
>> +	{ 0xff8d, 0xff8d, 0xff8d, 0 },
>> +	{ 0xffff, 0xffff, 0xffff, 0 },
>> +};
>> +
>> +const struct vkms_color_lut srgb_inv_eotf = {
>> +	.base = srgb_inv_array,
>> +	.lut_length = LUT_SIZE,
>> +	.channel_value2index_ratio = 0xff00ffll
>> +};
>> +EXPORT_SYMBOL(srgb_inv_eotf);
>> diff --git a/drivers/gpu/drm/vkms/vkms_luts.h
>> b/drivers/gpu/drm/vkms/vkms_luts.h
>> new file mode 100644
>> index 000000000000..925a4a7b84e2
>> --- /dev/null
>> +++ b/drivers/gpu/drm/vkms/vkms_luts.h
>> @@ -0,0 +1,12 @@
>> +/* SPDX-License-Identifier: GPL-2.0+ */
>> +
>> +#ifndef _VKMS_LUTS_H_
>> +#define _VKMS_LUTS_H_
>> +
>> +#define LUT_SIZE 256
>> +
>> +extern const struct vkms_color_lut linear_eotf;
>> +extern const struct vkms_color_lut srgb_eotf;
>> +extern const struct vkms_color_lut srgb_inv_eotf;
>> +
>> +#endif /* _VKMS_LUTS_H_ */
>> diff --git a/drivers/gpu/drm/vkms/vkms_plane.c
>> b/drivers/gpu/drm/vkms/vkms_plane.c
>> index 58815588588f..92345ba32b93 100644
>> --- a/drivers/gpu/drm/vkms/vkms_plane.c
>> +++ b/drivers/gpu/drm/vkms/vkms_plane.c
>> @@ -246,5 +246,7 @@ struct vkms_plane *vkms_plane_init(struct
>> vkms_device *vkmsdev,
>>   					  DRM_COLOR_YCBCR_BT601,
>>   					
>> DRM_COLOR_YCBCR_FULL_RANGE);
>>   
>> +	vkms_initialize_colorops(&plane->base);
>> +
>>   	return plane;
>>   }