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

Sharma, Swati2 swati2.sharma at intel.com
Thu Feb 7 06:23:05 UTC 2019


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 at 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.

Thanks :)

~Swati


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