[1/3] drm: drm_fourcc: add Samsung 16x16 tile format

Message ID 20180810132915eucas1p270d9df94b0aaaa17b0eddfb8682bd3bd~JiPoK4ppk2592125921eucas1p2z@eucas1p2.samsung.com
State New
Headers show
Series
  • Exynos DRM IPP: add support for 16x16 tiled formats
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Commit Message

Marek Szyprowski Aug. 10, 2018, 1:28 p.m.
From: Andrzej Pietrasiewicz <andrzej.p@samsung.com>


Add modifier for tiled formats used by graphics modules found in Samsung
Exynos5250/542x/5433 SoCs. This is a simple tiled layout using tiles
of 16x16 pixels in a row-major layout.

Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@samsung.com>

Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>

---
 include/uapi/drm/drm_fourcc.h | 9 +++++++++
 1 file changed, 9 insertions(+)

-- 
2.17.1

Comments

Inki Dae Aug. 27, 2018, 12:38 a.m. | #1
2018년 08월 10일 22:28에 Marek Szyprowski 이(가) 쓴 글:
> From: Andrzej Pietrasiewicz <andrzej.p@samsung.com>

> 

> Add modifier for tiled formats used by graphics modules found in Samsung

> Exynos5250/542x/5433 SoCs. This is a simple tiled layout using tiles

> of 16x16 pixels in a row-major layout.


Reviewed-by: Inki Dae <inki.dae@samsung.com>


Thanks,
Inki Dae

> 

> Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@samsung.com>

> Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>

> ---

>  include/uapi/drm/drm_fourcc.h | 9 +++++++++

>  1 file changed, 9 insertions(+)

> 

> diff --git a/include/uapi/drm/drm_fourcc.h b/include/uapi/drm/drm_fourcc.h

> index 721ab7e54d96..5631b196c07a 100644

> --- a/include/uapi/drm/drm_fourcc.h

> +++ b/include/uapi/drm/drm_fourcc.h

> @@ -299,6 +299,15 @@ extern "C" {

>   */

>  #define DRM_FORMAT_MOD_SAMSUNG_64_32_TILE	fourcc_mod_code(SAMSUNG, 1)

>  

> +/*

> + * Tiled, 16 (pixels) x 16 (lines) - sized macroblocks

> + *

> + * This is a simple tiled layout using tiles of 16x16 pixels in a row-major

> + * layout. For YCbCr formats Cb/Cr components are taken in such a way that

> + * they correspond to their 16x16 luma block.

> + */

> +#define DRM_FORMAT_MOD_SAMSUNG_16_16_TILE	fourcc_mod_code(SAMSUNG, 2)

> +

>  /*

>   * Qualcomm Compressed Format

>   *

>

Patch

diff --git a/include/uapi/drm/drm_fourcc.h b/include/uapi/drm/drm_fourcc.h
index 721ab7e54d96..5631b196c07a 100644
--- a/include/uapi/drm/drm_fourcc.h
+++ b/include/uapi/drm/drm_fourcc.h
@@ -299,6 +299,15 @@  extern "C" {
  */
 #define DRM_FORMAT_MOD_SAMSUNG_64_32_TILE	fourcc_mod_code(SAMSUNG, 1)
 
+/*
+ * Tiled, 16 (pixels) x 16 (lines) - sized macroblocks
+ *
+ * This is a simple tiled layout using tiles of 16x16 pixels in a row-major
+ * layout. For YCbCr formats Cb/Cr components are taken in such a way that
+ * they correspond to their 16x16 luma block.
+ */
+#define DRM_FORMAT_MOD_SAMSUNG_16_16_TILE	fourcc_mod_code(SAMSUNG, 2)
+
 /*
  * Qualcomm Compressed Format
  *