[V7 14/45] drm/vkms: Add enumerated 1D curve colorop
Louis Chauvet
louis.chauvet at bootlin.com
Tue Feb 25 11:18:26 UTC 2025
Le 20/12/2024 à 05:33, Alex Hung a écrit :
> From: Harry Wentland <harry.wentland at 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 at amd.com>
> Signed-off-by: Alex Hung <alex.hung at amd.com>
> ---
> 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 | 82 +++
> drivers/gpu/drm/vkms/vkms_composer.c | 50 ++
> drivers/gpu/drm/vkms/vkms_drv.h | 3 +
> drivers/gpu/drm/vkms/vkms_luts.c | 801 +++++++++++++++++++++++++++
> drivers/gpu/drm/vkms/vkms_luts.h | 12 +
> drivers/gpu/drm/vkms/vkms_plane.c | 2 +
> 7 files changed, 953 insertions(+), 1 deletion(-)
> 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 8d3e46dde635..0bf3c116f1ae 100644
> --- a/drivers/gpu/drm/vkms/Makefile
> +++ b/drivers/gpu/drm/vkms/Makefile
> @@ -6,7 +6,9 @@ vkms-y := \
> vkms_formats.o \
> vkms_crtc.o \
> vkms_composer.o \
> - vkms_writeback.o
> + vkms_writeback.o \
> + vkms_colorop.o \
> + vkms_luts.o
>
> obj-$(CONFIG_DRM_VKMS) += vkms.o
> obj-$(CONFIG_DRM_VKMS_KUNIT_TESTS) += 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..af319cd3de23
> --- /dev/null
> +++ b/drivers/gpu/drm/vkms/vkms_colorop.c
> @@ -0,0 +1,82 @@
> +// 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;
> +
> + memset(ops, 0, sizeof(ops));
> +
> + /* 1st op: 1d curve */
> + ops[i] = kzalloc(sizeof(*ops[i]), GFP_KERNEL);
> + if (!ops[i]) {
> + DRM_ERROR("KMS: Failed to allocate colorop\n");
drm_err(plane->dev, "KMS...");
> + ret = -ENOMEM;
> + goto cleanup;
> + }
> +
> + ret = drm_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_ERROR("KMS: Failed to allocate colorop\n");
drm_err
> + ret = -ENOMEM;
> + goto cleanup;
> + }
> +
> + ret = drm_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 (; i >= 0; i--)
> + kfree(ops[i]);
> +
> + 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 d15ceac6c56f..983654540ee5 100644
> --- a/drivers/gpu/drm/vkms/vkms_composer.c
> +++ b/drivers/gpu/drm/vkms/vkms_composer.c
> @@ -14,6 +14,7 @@
> #include "vkms_drv.h"
> #include <kunit/visibility.h>
> #include "vkms_composer.h"
> +#include "vkms_luts.h"
>
> static u16 pre_mul_blend_channel(u16 src, u16 dst, u16 alpha)
> {
> @@ -167,6 +168,52 @@ 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;
> +
> + 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("unknown colorop 1D curve type %d\n",
> + colorop_state->curve_1d_type);
drm_WARN_ONCE(colorop->dev, ...
> + 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;
> + }
> + }
> +}
> +
> /**
> * blend - blend the pixels from all planes and compute crc
> * @wb: The writeback frame buffer metadata
> @@ -204,6 +251,9 @@ static void blend(struct vkms_writeback_job *wb,
> continue;
>
> vkms_compose_row(stage_buffer, plane[i], y_pos);
> +
> + pre_blend_color_transform(plane[i], stage_buffer);
> +
This part conflict with upstream VKMS, the fix is simple: move
pre_blend_color_transform into the blend_line function.
> pre_mul_alpha_blend(plane[i]->frame_info, stage_buffer,
> output_buffer);
> }
> diff --git a/drivers/gpu/drm/vkms/vkms_drv.h b/drivers/gpu/drm/vkms/vkms_drv.h
> index 5e46ea5b96dc..c3c8f5ac81b9 100644
> --- a/drivers/gpu/drm/vkms/vkms_drv.h
> +++ b/drivers/gpu/drm/vkms/vkms_drv.h
> @@ -169,4 +169,7 @@ void vkms_writeback_row(struct vkms_writeback_job *wb, const struct line_buffer
> /* Writeback */
> int vkms_enable_writeback_connector(struct vkms_device *vkmsdev);
>
> +/* 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..9bfcf03275ae
> --- /dev/null
> +++ b/drivers/gpu/drm/vkms/vkms_luts.c
> @@ -0,0 +1,801 @@
> +// SPDX-License-Identifier: GPL-2.0+
> +
> +#include <drm/drm_mode.h>
> +
> +#include "vkms_drv.h"
> +#include "vkms_luts.h"
> +
> +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
> +};
> +
Can you add a comment to describe the values here?
Something that could help if we suspect an error in the values of the
table, for example:
This LUT table contains values from <spec/iso/whatever>, mapped linearly
from 0.0..1.0 to 0x0..0xFFFF.
> +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
> +};
> +
> +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
> +};
> 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 e5c625ab8e3e..8520ee0534d1 100644
> --- a/drivers/gpu/drm/vkms/vkms_plane.c
> +++ b/drivers/gpu/drm/vkms/vkms_plane.c
> @@ -215,5 +215,7 @@ struct vkms_plane *vkms_plane_init(struct vkms_device *vkmsdev,
> drm_plane_create_rotation_property(&plane->base, DRM_MODE_ROTATE_0,
> DRM_MODE_ROTATE_MASK | DRM_MODE_REFLECT_MASK);
>
> + vkms_initialize_colorops(&plane->base);
> +
> return plane;
> }
--
Louis Chauvet, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com
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