diff options
| author | Dave Airlie <airlied@redhat.com> | 2024-03-08 12:45:20 +1000 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2024-03-08 12:45:21 +1000 |
| commit | b9511c6d277c31b13d4f3128eba46f4e0733d734 (patch) | |
| tree | 349e3178134f25ee37957a7f44881d69a9b046c2 /drivers/gpu/drm/msm/dp/dp_utils.h | |
| parent | b0b6739cb9155c4ec6b4c50889313184175e687d (diff) | |
| parent | 4be445f5b6b6810baf397b2d159bd07c3573fd75 (diff) | |
Merge tag 'drm-msm-next-2024-03-07' of https://gitlab.freedesktop.org/drm/msm into drm-next
Late updates for v6.9, the main part is CDM (YUV over DP) which was
waiting for drm-misc-next-2024-02-29.
DPU:
- Add support for YUV420 over DP
- Patchset to ease debugging of vblank timeouts
- Small cleanup
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Rob Clark <robdclark@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/CAF6AEGvedk6OCOZ-NNtGf_pNiGuK9uvWj1MCDZLX9Jo2nHS=Zg@mail.gmail.com
Diffstat (limited to 'drivers/gpu/drm/msm/dp/dp_utils.h')
| -rw-r--r-- | drivers/gpu/drm/msm/dp/dp_utils.h | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/drivers/gpu/drm/msm/dp/dp_utils.h b/drivers/gpu/drm/msm/dp/dp_utils.h new file mode 100644 index 000000000000..7c056d9798dc --- /dev/null +++ b/drivers/gpu/drm/msm/dp/dp_utils.h @@ -0,0 +1,36 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * Copyright (c) 2024, The Linux Foundation. All rights reserved. + */ + +#ifndef _DP_UTILS_H_ +#define _DP_UTILS_H_ + +#include <linux/bitfield.h> +#include <linux/bits.h> +#include <drm/display/drm_dp_helper.h> + +#define HEADER_BYTE_0_BIT 0 +#define PARITY_BYTE_0_BIT 8 +#define HEADER_BYTE_1_BIT 16 +#define PARITY_BYTE_1_BIT 24 +#define HEADER_BYTE_2_BIT 0 +#define PARITY_BYTE_2_BIT 8 +#define HEADER_BYTE_3_BIT 16 +#define PARITY_BYTE_3_BIT 24 + +#define HEADER_0_MASK GENMASK(7, 0) +#define PARITY_0_MASK GENMASK(15, 8) +#define HEADER_1_MASK GENMASK(23, 16) +#define PARITY_1_MASK GENMASK(31, 24) +#define HEADER_2_MASK GENMASK(7, 0) +#define PARITY_2_MASK GENMASK(15, 8) +#define HEADER_3_MASK GENMASK(23, 16) +#define PARITY_3_MASK GENMASK(31, 24) + +u8 dp_utils_get_g0_value(u8 data); +u8 dp_utils_get_g1_value(u8 data); +u8 dp_utils_calculate_parity(u32 data); +ssize_t dp_utils_pack_sdp_header(struct dp_sdp_header *sdp_header, u32 *header_buff); + +#endif /* _DP_UTILS_H_ */ |