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path: root/drivers/gpu/drm/vkms/vkms_formats.c
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Diffstat (limited to 'drivers/gpu/drm/vkms/vkms_formats.c')
-rw-r--r--drivers/gpu/drm/vkms/vkms_formats.c331
1 files changed, 166 insertions, 165 deletions
diff --git a/drivers/gpu/drm/vkms/vkms_formats.c b/drivers/gpu/drm/vkms/vkms_formats.c
index 6d0227c6635a..dfb8e13cba87 100644
--- a/drivers/gpu/drm/vkms/vkms_formats.c
+++ b/drivers/gpu/drm/vkms/vkms_formats.c
@@ -259,16 +259,27 @@ static struct pixel_argb_u16 argb_u16_from_grayu16(u16 gray)
return argb_u16_from_u16161616(0xFFFF, gray, gray, gray);
}
-VISIBLE_IF_KUNIT struct pixel_argb_u16 argb_u16_from_yuv888(u8 y, u8 channel_1, u8 channel_2,
- const struct conversion_matrix *matrix)
+static struct pixel_argb_u16 argb_u16_from_BGR565(const __le16 *pixel)
+{
+ struct pixel_argb_u16 out_pixel;
+
+ out_pixel = argb_u16_from_RGB565(pixel);
+ swap(out_pixel.r, out_pixel.b);
+
+ return out_pixel;
+}
+
+VISIBLE_IF_KUNIT
+struct pixel_argb_u16 argb_u16_from_yuv161616(const struct conversion_matrix *matrix,
+ u16 y, u16 channel_1, u16 channel_2)
{
u16 r, g, b;
s64 fp_y, fp_channel_1, fp_channel_2;
s64 fp_r, fp_g, fp_b;
- fp_y = drm_int2fixp(((int)y - matrix->y_offset) * 257);
- fp_channel_1 = drm_int2fixp(((int)channel_1 - 128) * 257);
- fp_channel_2 = drm_int2fixp(((int)channel_2 - 128) * 257);
+ fp_y = drm_int2fixp((int)y - matrix->y_offset * 257);
+ fp_channel_1 = drm_int2fixp((int)channel_1 - 128 * 257);
+ fp_channel_2 = drm_int2fixp((int)channel_2 - 128 * 257);
fp_r = drm_fixp_mul(matrix->matrix[0][0], fp_y) +
drm_fixp_mul(matrix->matrix[0][1], fp_channel_1) +
@@ -290,7 +301,65 @@ VISIBLE_IF_KUNIT struct pixel_argb_u16 argb_u16_from_yuv888(u8 y, u8 channel_1,
return argb_u16_from_u16161616(0xffff, r, g, b);
}
-EXPORT_SYMBOL_IF_KUNIT(argb_u16_from_yuv888);
+EXPORT_SYMBOL_IF_KUNIT(argb_u16_from_yuv161616);
+
+/**
+ * READ_LINE() - Generic generator for a read_line function which can be used for format with one
+ * plane and a block_h == block_w == 1.
+ *
+ * @function_name: Function name to generate
+ * @pixel_name: Temporary pixel name used in the @__VA_ARGS__ parameters
+ * @pixel_type: Used to specify the type you want to cast the pixel pointer
+ * @callback: Callback to call for each pixels. This fonction should take @__VA_ARGS__ as parameter
+ * and return a pixel_argb_u16
+ * __VA_ARGS__: Argument to pass inside the callback. You can use @pixel_name to access current
+ * pixel.
+ */
+#define READ_LINE(function_name, pixel_name, pixel_type, callback, ...) \
+static void function_name(const struct vkms_plane_state *plane, int x_start, \
+ int y_start, enum pixel_read_direction direction, int count, \
+ struct pixel_argb_u16 out_pixel[]) \
+{ \
+ struct pixel_argb_u16 *end = out_pixel + count; \
+ int step = get_block_step_bytes(plane->frame_info->fb, direction, 0); \
+ u8 *src_pixels; \
+ \
+ packed_pixels_addr_1x1(plane->frame_info, x_start, y_start, 0, &src_pixels); \
+ \
+ while (out_pixel < end) { \
+ pixel_type *(pixel_name) = (pixel_type *)src_pixels; \
+ *out_pixel = (callback)(__VA_ARGS__); \
+ out_pixel += 1; \
+ src_pixels += step; \
+ } \
+}
+
+/**
+ * READ_LINE_ARGB8888() - Generic generator for ARGB8888 formats.
+ * The pixel type used is u8, so pixel_name[0]..pixel_name[n] are the n components of the pixel.
+ *
+ * @function_name: Function name to generate
+ * @pixel_name: temporary pixel to use in @a, @r, @g and @b parameters
+ * @a: alpha value
+ * @r: red value
+ * @g: green value
+ * @b: blue value
+ */
+#define READ_LINE_ARGB8888(function_name, pixel_name, a, r, g, b) \
+ READ_LINE(function_name, pixel_name, u8, argb_u16_from_u8888, a, r, g, b)
+/**
+ * READ_LINE_le16161616() - Generic generator for ARGB16161616 formats.
+ * The pixel type used is u16, so pixel_name[0]..pixel_name[n] are the n components of the pixel.
+ *
+ * @function_name: Function name to generate
+ * @pixel_name: temporary pixel to use in @a, @r, @g and @b parameters
+ * @a: alpha value
+ * @r: red value
+ * @g: green value
+ * @b: blue value
+ */
+#define READ_LINE_le16161616(function_name, pixel_name, a, r, g, b) \
+ READ_LINE(function_name, pixel_name, __le16, argb_u16_from_le16161616, a, r, g, b)
/*
* The following functions are read_line function for each pixel format supported by VKMS.
@@ -378,138 +447,27 @@ static void R4_read_line(const struct vkms_plane_state *plane, int x_start,
Rx_read_line(plane, x_start, y_start, direction, count, out_pixel);
}
-static void R8_read_line(const struct vkms_plane_state *plane, int x_start,
- int y_start, enum pixel_read_direction direction, int count,
- struct pixel_argb_u16 out_pixel[])
-{
- struct pixel_argb_u16 *end = out_pixel + count;
- u8 *src_pixels;
- int step = get_block_step_bytes(plane->frame_info->fb, direction, 0);
-
- packed_pixels_addr_1x1(plane->frame_info, x_start, y_start, 0, &src_pixels);
-
- while (out_pixel < end) {
- *out_pixel = argb_u16_from_gray8(*src_pixels);
- src_pixels += step;
- out_pixel += 1;
- }
-}
-
-static void ARGB8888_read_line(const struct vkms_plane_state *plane, int x_start, int y_start,
- enum pixel_read_direction direction, int count,
- struct pixel_argb_u16 out_pixel[])
-{
- struct pixel_argb_u16 *end = out_pixel + count;
- u8 *src_pixels;
-
- packed_pixels_addr_1x1(plane->frame_info, x_start, y_start, 0, &src_pixels);
-
- int step = get_block_step_bytes(plane->frame_info->fb, direction, 0);
-
- while (out_pixel < end) {
- u8 *px = (u8 *)src_pixels;
- *out_pixel = argb_u16_from_u8888(px[3], px[2], px[1], px[0]);
- out_pixel += 1;
- src_pixels += step;
- }
-}
-
-static void XRGB8888_read_line(const struct vkms_plane_state *plane, int x_start, int y_start,
- enum pixel_read_direction direction, int count,
- struct pixel_argb_u16 out_pixel[])
-{
- struct pixel_argb_u16 *end = out_pixel + count;
- u8 *src_pixels;
-
- packed_pixels_addr_1x1(plane->frame_info, x_start, y_start, 0, &src_pixels);
-
- int step = get_block_step_bytes(plane->frame_info->fb, direction, 0);
-
- while (out_pixel < end) {
- u8 *px = (u8 *)src_pixels;
- *out_pixel = argb_u16_from_u8888(255, px[2], px[1], px[0]);
- out_pixel += 1;
- src_pixels += step;
- }
-}
-
-static void ABGR8888_read_line(const struct vkms_plane_state *plane, int x_start, int y_start,
- enum pixel_read_direction direction, int count,
- struct pixel_argb_u16 out_pixel[])
-{
- struct pixel_argb_u16 *end = out_pixel + count;
- u8 *src_pixels;
-
- packed_pixels_addr_1x1(plane->frame_info, x_start, y_start, 0, &src_pixels);
-
- int step = get_block_step_bytes(plane->frame_info->fb, direction, 0);
-
- while (out_pixel < end) {
- u8 *px = (u8 *)src_pixels;
- /* Switch blue and red pixels. */
- *out_pixel = argb_u16_from_u8888(px[3], px[0], px[1], px[2]);
- out_pixel += 1;
- src_pixels += step;
- }
-}
-
-static void ARGB16161616_read_line(const struct vkms_plane_state *plane, int x_start,
- int y_start, enum pixel_read_direction direction, int count,
- struct pixel_argb_u16 out_pixel[])
-{
- struct pixel_argb_u16 *end = out_pixel + count;
- u8 *src_pixels;
-
- packed_pixels_addr_1x1(plane->frame_info, x_start, y_start, 0, &src_pixels);
-
- int step = get_block_step_bytes(plane->frame_info->fb, direction, 0);
- while (out_pixel < end) {
- u16 *px = (u16 *)src_pixels;
- *out_pixel = argb_u16_from_u16161616(px[3], px[2], px[1], px[0]);
- out_pixel += 1;
- src_pixels += step;
- }
-}
+READ_LINE_ARGB8888(XRGB8888_read_line, px, 0xFF, px[2], px[1], px[0])
+READ_LINE_ARGB8888(XBGR8888_read_line, px, 0xFF, px[0], px[1], px[2])
-static void XRGB16161616_read_line(const struct vkms_plane_state *plane, int x_start,
- int y_start, enum pixel_read_direction direction, int count,
- struct pixel_argb_u16 out_pixel[])
-{
- struct pixel_argb_u16 *end = out_pixel + count;
- u8 *src_pixels;
-
- packed_pixels_addr_1x1(plane->frame_info, x_start, y_start, 0, &src_pixels);
-
- int step = get_block_step_bytes(plane->frame_info->fb, direction, 0);
-
- while (out_pixel < end) {
- __le16 *px = (__le16 *)src_pixels;
- *out_pixel = argb_u16_from_le16161616(cpu_to_le16(0xFFFF), px[2], px[1], px[0]);
- out_pixel += 1;
- src_pixels += step;
- }
-}
-
-static void RGB565_read_line(const struct vkms_plane_state *plane, int x_start,
- int y_start, enum pixel_read_direction direction, int count,
- struct pixel_argb_u16 out_pixel[])
-{
- struct pixel_argb_u16 *end = out_pixel + count;
- u8 *src_pixels;
+READ_LINE_ARGB8888(ARGB8888_read_line, px, px[3], px[2], px[1], px[0])
+READ_LINE_ARGB8888(ABGR8888_read_line, px, px[3], px[0], px[1], px[2])
+READ_LINE_ARGB8888(RGBA8888_read_line, px, px[0], px[3], px[2], px[1])
+READ_LINE_ARGB8888(BGRA8888_read_line, px, px[0], px[1], px[2], px[3])
- packed_pixels_addr_1x1(plane->frame_info, x_start, y_start, 0, &src_pixels);
+READ_LINE_ARGB8888(RGB888_read_line, px, 0xFF, px[2], px[1], px[0])
+READ_LINE_ARGB8888(BGR888_read_line, px, 0xFF, px[0], px[1], px[2])
- int step = get_block_step_bytes(plane->frame_info->fb, direction, 0);
+READ_LINE_le16161616(ARGB16161616_read_line, px, px[3], px[2], px[1], px[0])
+READ_LINE_le16161616(ABGR16161616_read_line, px, px[3], px[0], px[1], px[2])
+READ_LINE_le16161616(XRGB16161616_read_line, px, cpu_to_le16(0xFFFF), px[2], px[1], px[0])
+READ_LINE_le16161616(XBGR16161616_read_line, px, cpu_to_le16(0xFFFF), px[0], px[1], px[2])
- while (out_pixel < end) {
- __le16 *px = (__le16 *)src_pixels;
+READ_LINE(RGB565_read_line, px, __le16, argb_u16_from_RGB565, px)
+READ_LINE(BGR565_read_line, px, __le16, argb_u16_from_BGR565, px)
- *out_pixel = argb_u16_from_RGB565(px);
- out_pixel += 1;
- src_pixels += step;
- }
-}
+READ_LINE(R8_read_line, px, u8, argb_u16_from_gray8, *px)
/*
* This callback can be used for YUV formats where U and V values are
@@ -521,35 +479,57 @@ static void RGB565_read_line(const struct vkms_plane_state *plane, int x_start,
* - Convert YUV and YVU with the same function (a column swap is needed when setting up
* plane->conversion_matrix)
*/
-static void semi_planar_yuv_read_line(const struct vkms_plane_state *plane, int x_start,
- int y_start, enum pixel_read_direction direction, int count,
- struct pixel_argb_u16 out_pixel[])
-{
- u8 *y_plane;
- u8 *uv_plane;
-
- packed_pixels_addr_1x1(plane->frame_info, x_start, y_start, 0,
- &y_plane);
- packed_pixels_addr_1x1(plane->frame_info,
- x_start / plane->frame_info->fb->format->hsub,
- y_start / plane->frame_info->fb->format->vsub, 1,
- &uv_plane);
- int step_y = get_block_step_bytes(plane->frame_info->fb, direction, 0);
- int step_uv = get_block_step_bytes(plane->frame_info->fb, direction, 1);
- int subsampling = get_subsampling(plane->frame_info->fb->format, direction);
- int subsampling_offset = get_subsampling_offset(direction, x_start, y_start);
- const struct conversion_matrix *conversion_matrix = &plane->conversion_matrix;
-
- for (int i = 0; i < count; i++) {
- *out_pixel = argb_u16_from_yuv888(y_plane[0], uv_plane[0], uv_plane[1],
- conversion_matrix);
- out_pixel += 1;
- y_plane += step_y;
- if ((i + subsampling_offset + 1) % subsampling == 0)
- uv_plane += step_uv;
- }
-}
+/**
+ * READ_LINE_YUV_SEMIPLANAR() - Generic generator for a read_line function which can be used for yuv
+ * formats with two planes and block_w == block_h == 1.
+ *
+ * @function_name: Function name to generate
+ * @pixel_1_name: temporary pixel name for the first plane used in the @__VA_ARGS__ parameters
+ * @pixel_2_name: temporary pixel name for the second plane used in the @__VA_ARGS__ parameters
+ * @pixel_1_type: Used to specify the type you want to cast the pixel pointer on the plane 1
+ * @pixel_2_type: Used to specify the type you want to cast the pixel pointer on the plane 2
+ * @callback: Callback to call for each pixels. This function should take
+ * (struct conversion_matrix*, @__VA_ARGS__) as parameter and return a pixel_argb_u16
+ * __VA_ARGS__: Argument to pass inside the callback. You can use @pixel_1_name and @pixel_2_name
+ * to access current pixel values
+ */
+#define READ_LINE_YUV_SEMIPLANAR(function_name, pixel_1_name, pixel_2_name, pixel_1_type, \
+ pixel_2_type, callback, ...) \
+static void function_name(const struct vkms_plane_state *plane, int x_start, \
+ int y_start, enum pixel_read_direction direction, int count, \
+ struct pixel_argb_u16 out_pixel[]) \
+{ \
+ u8 *plane_1; \
+ u8 *plane_2; \
+ \
+ packed_pixels_addr_1x1(plane->frame_info, x_start, y_start, 0, \
+ &plane_1); \
+ packed_pixels_addr_1x1(plane->frame_info, \
+ x_start / plane->frame_info->fb->format->hsub, \
+ y_start / plane->frame_info->fb->format->vsub, 1, \
+ &plane_2); \
+ int step_1 = get_block_step_bytes(plane->frame_info->fb, direction, 0); \
+ int step_2 = get_block_step_bytes(plane->frame_info->fb, direction, 1); \
+ int subsampling = get_subsampling(plane->frame_info->fb->format, direction); \
+ int subsampling_offset = get_subsampling_offset(direction, x_start, y_start); \
+ const struct conversion_matrix *conversion_matrix = &plane->conversion_matrix; \
+ \
+ for (int i = 0; i < count; i++) { \
+ pixel_1_type *(pixel_1_name) = (pixel_1_type *)plane_1; \
+ pixel_2_type *(pixel_2_name) = (pixel_2_type *)plane_2; \
+ *out_pixel = (callback)(conversion_matrix, __VA_ARGS__); \
+ out_pixel += 1; \
+ plane_1 += step_1; \
+ if ((i + subsampling_offset + 1) % subsampling == 0) \
+ plane_2 += step_2; \
+ } \
+}
+
+READ_LINE_YUV_SEMIPLANAR(YUV888_semiplanar_read_line, y, uv, u8, u8, argb_u16_from_yuv161616,
+ y[0] * 257, uv[0] * 257, uv[1] * 257)
+READ_LINE_YUV_SEMIPLANAR(YUV161616_semiplanar_read_line, y, uv, u16, u16, argb_u16_from_yuv161616,
+ y[0], uv[0], uv[1])
/*
* This callback can be used for YUV format where each color component is
* stored in a different plane (often called planar formats). It will
@@ -586,8 +566,9 @@ static void planar_yuv_read_line(const struct vkms_plane_state *plane, int x_sta
const struct conversion_matrix *conversion_matrix = &plane->conversion_matrix;
for (int i = 0; i < count; i++) {
- *out_pixel = argb_u16_from_yuv888(*y_plane, *channel_1_plane, *channel_2_plane,
- conversion_matrix);
+ *out_pixel = argb_u16_from_yuv161616(conversion_matrix,
+ *y_plane * 257, *channel_1_plane * 257,
+ *channel_2_plane * 257);
out_pixel += 1;
y_plane += step_y;
if ((i + subsampling_offset + 1) % subsampling == 0) {
@@ -712,23 +693,43 @@ pixel_read_line_t get_pixel_read_line_function(u32 format)
switch (format) {
case DRM_FORMAT_ARGB8888:
return &ARGB8888_read_line;
- case DRM_FORMAT_XRGB8888:
- return &XRGB8888_read_line;
case DRM_FORMAT_ABGR8888:
return &ABGR8888_read_line;
+ case DRM_FORMAT_BGRA8888:
+ return &BGRA8888_read_line;
+ case DRM_FORMAT_RGBA8888:
+ return &RGBA8888_read_line;
+ case DRM_FORMAT_XRGB8888:
+ return &XRGB8888_read_line;
+ case DRM_FORMAT_XBGR8888:
+ return &XBGR8888_read_line;
+ case DRM_FORMAT_RGB888:
+ return &RGB888_read_line;
+ case DRM_FORMAT_BGR888:
+ return &BGR888_read_line;
case DRM_FORMAT_ARGB16161616:
return &ARGB16161616_read_line;
+ case DRM_FORMAT_ABGR16161616:
+ return &ABGR16161616_read_line;
case DRM_FORMAT_XRGB16161616:
return &XRGB16161616_read_line;
+ case DRM_FORMAT_XBGR16161616:
+ return &XBGR16161616_read_line;
case DRM_FORMAT_RGB565:
return &RGB565_read_line;
+ case DRM_FORMAT_BGR565:
+ return &BGR565_read_line;
case DRM_FORMAT_NV12:
case DRM_FORMAT_NV16:
case DRM_FORMAT_NV24:
case DRM_FORMAT_NV21:
case DRM_FORMAT_NV61:
case DRM_FORMAT_NV42:
- return &semi_planar_yuv_read_line;
+ return &YUV888_semiplanar_read_line;
+ case DRM_FORMAT_P010:
+ case DRM_FORMAT_P012:
+ case DRM_FORMAT_P016:
+ return &YUV161616_semiplanar_read_line;
case DRM_FORMAT_YUV420:
case DRM_FORMAT_YUV422:
case DRM_FORMAT_YUV444:
generated by cgit v1.2.3 (git 2.46.0) at 2025-10-03 17:32:51 +0000