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 07-02-2019 om 07:23 schreef Sharma, Swati2:
>
> On 06-Feb-19 8:35 PM, Maarten Lankhorst wrote:
>> Op 06-02-2019 om 15:21 schreef Sharma, Swati2:
>>> On 06-Feb-19 12:17 PM, Sharma, Swati2 wrote:
>>>
>>>> On 05-Feb-19 8:01 PM, Maarten Lankhorst wrote:
>>>>> 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.
>>>> IGT Logs:
>>>>
>>>> (kms_plane:4960) INFO: Testing format Y210 (0x30313259) on A.0
>>>> (kms_plane:4960) igt_fb-DEBUG: igt_create_fb_with_bo_size(width=3200, height=1800, format=0x30313259, tiling=0x0, size=0)
>>>> (kms_plane:4960) igt_fb-DEBUG: igt_create_fb_with_bo_size(handle=2, pitch=12800)
>>>> (kms_plane:4960) ioctl_wrappers-DEBUG: Test requirement passed: igt_has_fb_modifiers(fd)
>>>> (kms_plane:4960) igt_fb-CRITICAL: Test assertion failure function igt_create_fb_with_bo_size, file ../lib/igt_fb.c:1051:
>>>> (kms_plane:4960) 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:4960) igt_fb-CRITICAL: Last errno: 22, Invalid argument
>>>> (kms_plane:4960) igt_core-INFO: Stack trace:
>>>> (kms_plane:4960) igt_core-INFO:   #0 ../lib/igt_core.c:1474 __igt_fail_assert()
>>>> (kms_plane:4960) igt_core-INFO:   #1 ../lib/igt_fb.c:1053 igt_create_fb_with_bo_size()
>>>> (kms_plane:4960) igt_core-INFO:   #2 ../lib/igt_fb.c:1078 igt_create_fb()
>>>> (kms_plane:4960) igt_core-INFO:   #3 ../lib/igt_fb.c:1113 igt_create_color_fb()
>>>> (kms_plane:4960) igt_core-INFO:   #4 ../tests/kms_plane.c:417 test_format_plane_color()
>>>> (kms_plane:4960) igt_core-INFO:   #5 ../tests/kms_plane.c:556 test_format_plane()
>>>> (kms_plane:4960) igt_core-INFO:   #6 ../tests/kms_plane.c:587 test_pixel_formats()
>>>> (kms_plane:4960) igt_core-INFO:   #7 ../tests/kms_plane.c:602 run_tests_for_pipe_plane()
>>>> (kms_plane:4960) igt_core-INFO:   #8 ../tests/kms_plane.c:657 __real_main642()
>>>> (kms_plane:4960) igt_core-INFO:   #9 ../tests/kms_plane.c:642 main()
>>>> (kms_plane:4960) igt_core-INFO:   #10 ../csu/libc-start.c:325 __libc_start_main()
>>>> (kms_plane:4960) igt_core-INFO:   #11 [_start+0x29]
>>>> (kms_plane:4960) igt_core-INFO:   #12 [<unknown>+0x0]
>>>> ****  END  ****
>>>>
>>>> Dmesg Logs: Attached y210_dmesg_failure.txt
>>>>
>>> Same failure exists for all the Y2xx formats Y210/Y212/Y216.
>> Seems like a bug with your format definition in the kernel?
>>
>> Y210 is Y0 U Y1 V, for a total of 64 bits per 2 Y pixels.
>>
>> pitch is set to 12800 / 4 = 3200. This is exactly the minimum, so should pass..
>>
>> I'll have to rebase the IGT patches, but as far as I can tell they're correct, and you have a bug in your implementation. :)
>>
>> ~Maarten
>
> Hi Maarten,
>
> You were correct :) Issue was with my kernel patch, I had written wrong fourcc for Y2xx. ThankYou!
> Though for planes >=3 (sdr planes), we are getting CRC mismatch for all YUV formats, happening same for Y2xx but I think it is tracked in bugzilla. 

I've noticed there is a CRC mismatch when comparing the same NV12 config in SDR + plane scaler and HDR with chroma upsampler. Might be the same for HDR vs SDR planes in general.

~Maarten

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