Re: [igt-dev] [PATCH i-g-t 3/4] lib/igt_fb: Add support for Y21x formats as well.

[Maarten Lankhorst <maarten.lankhorst@linux.intel.com>]

Op 05-02-2019 om 14:14 schreef Sharma, Swati2:
>
> On 01-Feb-19 4:45 PM, Maarten Lankhorst wrote:
>> Those formats are packed like YUYV, but only 16 bits per component.
>>
>> Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
>> ---
>>   include/drm-uapi/drm_fourcc.h |   6 +-
>>   lib/igt_color_encoding.c      |   3 +
>>   lib/igt_fb.c                  | 146 ++++++++++++++++++++++++++++++++++
>>   3 files changed, 154 insertions(+), 1 deletion(-)
>>
>> diff --git a/include/drm-uapi/drm_fourcc.h b/include/drm-uapi/drm_fourcc.h
>> index c9a5e5787031..8f1b5f832a09 100644
>> --- a/include/drm-uapi/drm_fourcc.h
>> +++ b/include/drm-uapi/drm_fourcc.h
>> @@ -149,10 +149,14 @@ extern "C" {
>>   #define DRM_FORMAT_YVYU        fourcc_code('Y', 'V', 'Y', 'U') /* [31:0] Cb0:Y1:Cr0:Y0 8:8:8:8 little endian */
>>   #define DRM_FORMAT_UYVY        fourcc_code('U', 'Y', 'V', 'Y') /* [31:0] Y1:Cr0:Y0:Cb0 8:8:8:8 little endian */
>>   #define DRM_FORMAT_VYUY        fourcc_code('V', 'Y', 'U', 'Y') /* [31:0] Y1:Cb0:Y0:Cr0 8:8:8:8 little endian */
>> -
>>   #define DRM_FORMAT_AYUV        fourcc_code('A', 'Y', 'U', 'V') /* [31:0] A:Y:Cb:Cr 8:8:8:8 little endian */
>>   #define DRM_FORMAT_XYUV8888    fourcc_code('X', 'Y', 'U', 'V') /* [31:0] X:Y:Cb:Cr 8:8:8:8 little endian */
>>   +/* Like YUYV, but 16 bpc, lowest bits unused like in DRM_FORMAT_P01X */
>> +#define DRM_FORMAT_Y210        fourcc_code('Y', '2', '1', '0')
>> +#define DRM_FORMAT_Y212        fourcc_code('Y', '2', '1', '2')
>> +#define DRM_FORMAT_Y216        fourcc_code('Y', '2', '1', '6')
>> +
>>   /*
>>    * packed YCbCr420 2x2 tiled formats
>>    * first 64 bits will contain Y,Cb,Cr components for a 2x2 tile
>> diff --git a/lib/igt_color_encoding.c b/lib/igt_color_encoding.c
>> index b7a12a1e07f7..6f82fcec62e4 100644
>> --- a/lib/igt_color_encoding.c
>> +++ b/lib/igt_color_encoding.c
>> @@ -144,6 +144,9 @@ static const struct color_encoding_format {
>>       { DRM_FORMAT_P010, 65472.f, 4096.f, 60160.f, 4096.f, 32768.f, 61440.f },
>>       { DRM_FORMAT_P012, 65520.f, 4096.f, 60160.f, 4096.f, 32768.f, 61440.f },
>>       { DRM_FORMAT_P016, 65535.f, 4096.f, 60160.f, 4096.f, 32768.f, 61440.f },
>> +    { DRM_FORMAT_Y210, 65472.f, 4096.f, 60160.f, 4096.f, 32768.f, 61440.f },
>> +    { DRM_FORMAT_Y212, 65520.f, 4096.f, 60160.f, 4096.f, 32768.f, 61440.f },
>> +    { DRM_FORMAT_Y216, 65535.f, 4096.f, 60160.f, 4096.f, 32768.f, 61440.f },
>>   };
>>     static const struct color_encoding_format *lookup_fourcc(uint32_t fourcc)
>> diff --git a/lib/igt_fb.c b/lib/igt_fb.c
>> index 8bd0420fc2e4..c14cc10d1b73 100644
>> --- a/lib/igt_fb.c
>> +++ b/lib/igt_fb.c
>> @@ -151,6 +151,18 @@ static const struct format_desc_struct {
>>         .cairo_id = CAIRO_FORMAT_RGB24,
>>         .num_planes = 1, .plane_bpp = { 16, },
>>       },
>> +    { .name = "Y210", .depth = -1, .drm_id = DRM_FORMAT_Y210,
>> +      .cairo_id = CAIRO_FORMAT_RGB96F,
>> +      .num_planes = 1, .plane_bpp = { 32, },
>> +    },
>> +    { .name = "Y212", .depth = -1, .drm_id = DRM_FORMAT_Y212,
>> +      .cairo_id = CAIRO_FORMAT_RGB96F,
>> +      .num_planes = 1, .plane_bpp = { 32, },
>> +    },
>> +    { .name = "Y216", .depth = -1, .drm_id = DRM_FORMAT_Y216,
>> +      .cairo_id = CAIRO_FORMAT_RGB96F,
>> +      .num_planes = 1, .plane_bpp = { 32, },
>> +    },
>>       { .name = "P010", .depth = -1, .drm_id = DRM_FORMAT_P010,
>>         .cairo_id = CAIRO_FORMAT_RGB96F,
>>         .num_planes = 2, .plane_bpp = { 16, 32 },
>> @@ -553,6 +565,13 @@ static int create_bo_for_fb(struct igt_fb *fb)
>>                       fb->offsets[1] / sizeof(wchar_t));
>>                   wmemset(ptr + fb->offsets[1], 0x80008000,
>>                       DIV_ROUND_UP(fb->height,2) * fb->strides[1] / sizeof(wchar_t));
>> +            case DRM_FORMAT_Y210:
>> +            case DRM_FORMAT_Y212:
>> +            case DRM_FORMAT_Y216:
>> +                wmemset(ptr + fb->offsets[0],
>> +                    full_range ? 0x80000000 : 0x80001000,
>> +                    fb->strides[0] * fb->plane_height[0] / sizeof(wchar_t));
>> +                break;
>>               }
>>               gem_munmap(ptr, fb->size);
>
> Hi Maarten,
>
> While testing Y210 pixel format, IGT is failing with debug message showing igt_create_fb() failure
>
> (kms_plane:3974) igt_fb-CRITICAL: Test assertion failure function igt_create_fb_with_bo_size, file ../lib/igt_fb.c:1051:
> (kms_plane:3974) igt_fb-CRITICAL: Failed assertion: (__kms_addfb(fb->fd, fb->gem_handle, fb->width, fb->height, fb->drm_format, fb->tiling, fb->strides, fb->offsets, fb->num_planes, flags, &fb->fb_id)) == 0
> (kms_plane:3974) igt_fb-CRITICAL: Last errno: 22, Invalid argument
>
> dmesg showing bad pitch 12800 for Y210 pixel format
>
> [  634.066608] [drm:drm_internal_framebuffer_create] bad pitch 12800 for plane 0
> [  634.104444] [IGT] kms_plane: exiting, ret=99
>
> Can you please confirm whether changes needs to be done from igt or some issue with Y2xx driver patches?
>
>> @@ -2139,6 +2158,120 @@ static void convert_float_to_p01X(struct fb_convert *cvt)
>>       }
>>   }
>>   +
>> +static void convert_Y21X_to_float(struct fb_convert *cvt)
>> +{
>> +    int i, j;
>> +    const uint16_t *yuyv;
>> +    uint16_t *buf;
>> +    float *ptr = cvt->dst.ptr;
>> +    unsigned int float_stride = cvt->dst.fb->strides[0] / sizeof(*ptr);
>> +    unsigned int yuyv_stride = cvt->src.fb->strides[0] / sizeof(*yuyv);
>> +    struct igt_mat4 m = igt_ycbcr_to_rgb_matrix(cvt->src.fb->drm_format,
>> +                            cvt->dst.fb->drm_format,
>> +                            cvt->src.fb->color_encoding,
>> +                            cvt->src.fb->color_range);
>> +
>> +    igt_assert((cvt->src.fb->drm_format == DRM_FORMAT_Y210 ||
>> +            cvt->src.fb->drm_format == DRM_FORMAT_Y212 ||
>> +            cvt->src.fb->drm_format == DRM_FORMAT_Y216) &&
>> +           cvt->dst.fb->drm_format == IGT_FORMAT_FLOAT);
>> +
>> +    yuyv = buf = convert_src_get(cvt);
>> +
>> +    for (i = 0; i < cvt->dst.fb->height; i++) {
>> +        for (j = 0; j < cvt->dst.fb->width / 2; j++) {
>> +            /* Convert 2x1 pixel blocks */
>> +            struct igt_vec4 yuv[2];
>> +            struct igt_vec4 rgb[2];
>> +
>> +            yuv[0].d[0] = yuyv[j * 4 + 0];
>> +            yuv[1].d[0] = yuyv[j * 4 + 2];
>> +            yuv[0].d[1] = yuv[1].d[1] = yuyv[j * 4 + 1];
>> +            yuv[0].d[2] = yuv[1].d[2] = yuyv[j * 4 + 3];
>> +            yuv[0].d[3] = yuv[1].d[3] = 1.0f;
>> +
>> +            rgb[0] = igt_matrix_transform(&m, &yuv[0]);
>> +            rgb[1] = igt_matrix_transform(&m, &yuv[1]);
>> +
>> +            write_rgbf(&ptr[j * 6 + 0], &rgb[0]);
>> +            write_rgbf(&ptr[j * 6 + 3], &rgb[1]);
>> +        }
>> +
>> +        if (cvt->dst.fb->width & 1) {
>> +            struct igt_vec4 yuv;
>> +            struct igt_vec4 rgb;
>> +
>> +            yuv.d[0] = yuyv[j * 4 + 0];
>> +            yuv.d[1] = yuyv[j * 4 + 1];
>> +            yuv.d[2] = yuyv[j * 4 + 3];
>> +            yuv.d[3] = 1.0f;
>> +
>> +            rgb = igt_matrix_transform(&m, &yuv);
>> +
>> +            write_rgbf(&ptr[j * 6 + 0], &rgb);
>> +        }
>> +
>> +        ptr += float_stride;
>> +        yuyv += yuyv_stride;
>> +    }
>> +
>> +    convert_src_put(cvt, buf);
>> +}
>> +
>> +static void convert_float_to_Y21X(struct fb_convert *cvt)
>> +{
>> +    int i, j;
>> +    uint16_t *yuyv = cvt->dst.ptr;
>> +    const float *ptr = cvt->src.ptr;
>> +    unsigned float_stride = cvt->src.fb->strides[0] / sizeof(*ptr);
>> +    unsigned yuyv_stride = cvt->dst.fb->strides[0] / sizeof(*yuyv);
>> +    struct igt_mat4 m = igt_rgb_to_ycbcr_matrix(cvt->src.fb->drm_format,
>> +                            cvt->dst.fb->drm_format,
>> +                            cvt->dst.fb->color_encoding,
>> +                            cvt->dst.fb->color_range);
>> +
>> +    igt_assert(cvt->src.fb->drm_format == IGT_FORMAT_FLOAT &&
>> +           (cvt->dst.fb->drm_format == DRM_FORMAT_Y210 ||
>> +            cvt->dst.fb->drm_format == DRM_FORMAT_Y212 ||
>> +            cvt->dst.fb->drm_format == DRM_FORMAT_Y216));
>> +
>> +    for (i = 0; i < cvt->dst.fb->height; i++) {
>> +        for (j = 0; j < cvt->dst.fb->width / 2; j++) {
>> +            /* Convert 2x1 pixel blocks */
>> +            struct igt_vec4 rgb[2];
>> +            struct igt_vec4 yuv[2];
>> +
>> +            read_rgbf(&rgb[0], &ptr[j * 6 + 0]);
>> +            read_rgbf(&rgb[1], &ptr[j * 6 + 3]);
>> +
>> +            yuv[0] = igt_matrix_transform(&m, &rgb[0]);
>> +            yuv[1] = igt_matrix_transform(&m, &rgb[1]);
>> +
>> +            yuyv[j * 4 + 0] = yuv[0].d[0];
>> +            yuyv[j * 4 + 2] = yuv[1].d[0];
>> +            yuyv[j * 4 + 1] = (yuv[0].d[1] + yuv[1].d[1]) / 2.0f;
>> +            yuyv[j * 4 + 3] = (yuv[0].d[2] + yuv[1].d[2]) / 2.0f;
>> +        }
>> +
>> +        if (cvt->dst.fb->width & 1) {
>> +            struct igt_vec4 rgb;
>> +            struct igt_vec4 yuv;
>> +
>> +            read_rgbf(&rgb, &ptr[j * 6 + 0]);
>> +
>> +            yuv = igt_matrix_transform(&m, &rgb);
>> +
>> +            yuyv[j * 4 + 0] = yuv.d[0];
>> +            yuyv[j * 4 + 1] = yuv.d[1];
>> +            yuyv[j * 4 + 3] = yuv.d[2];
>> +        }
>> +
>> +        ptr += float_stride;
>> +        yuyv += yuyv_stride;
>> +    }
>> +}
>> +
>>   static void convert_pixman(struct fb_convert *cvt)
>>   {
>>       pixman_format_code_t src_pixman = drm_format_to_pixman(cvt->src.fb->drm_format);
>> @@ -2221,6 +2354,11 @@ static void fb_convert(struct fb_convert *cvt)
>>           case DRM_FORMAT_P016:
>>               convert_p01X_to_float(cvt);
>>               return;
>> +        case DRM_FORMAT_Y210:
>> +        case DRM_FORMAT_Y212:
>> +        case DRM_FORMAT_Y216:
>> +            convert_Y21X_to_float(cvt);
>> +            return;
>>           }
>>       } else if (cvt->src.fb->drm_format == IGT_FORMAT_FLOAT) {
>>           switch (cvt->dst.fb->drm_format) {
>> @@ -2229,6 +2367,11 @@ static void fb_convert(struct fb_convert *cvt)
>>           case DRM_FORMAT_P016:
>>               convert_float_to_p01X(cvt);
>>               return;
>> +        case DRM_FORMAT_Y210:
>> +        case DRM_FORMAT_Y212:
>> +        case DRM_FORMAT_Y216:
>> +            convert_float_to_Y21X(cvt);
>> +            return;
>>           }
>>       }
>>   @@ -2583,6 +2726,9 @@ bool igt_format_is_yuv(uint32_t drm_format)
>>       case DRM_FORMAT_P010:
>>       case DRM_FORMAT_P012:
>>       case DRM_FORMAT_P016:
>> +    case DRM_FORMAT_Y210:
>> +    case DRM_FORMAT_Y212:
>> +    case DRM_FORMAT_Y216:
>>       case DRM_FORMAT_YUYV:
>>       case DRM_FORMAT_YVYU:
>>       case DRM_FORMAT_UYVY:
>
Can I get the full IGT / dmesg logs? I can't see what the fb dimensions they are.

~Maarten

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