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| author | Thomas Zimmermann <tzimmermann@suse.de> | 2024-03-08 09:47:22 +0100 |
|---|---|---|
| committer | Thomas Zimmermann <tzimmermann@suse.de> | 2024-03-08 10:53:46 +0100 |
| commit | d6eb77731c45caf6ee7b18d907e9bc44be760e8c (patch) | |
| tree | 39ac9ae96c85ca234a9661120a33900d7ac6e8df /drivers/gpu/drm/msm/dp/dp_utils.h | |
| parent | 6a91585edc70009a8075639f12d5d1e1597b8544 (diff) | |
| parent | b9511c6d277c31b13d4f3128eba46f4e0733d734 (diff) | |
Merge drm/drm-next into drm-misc-next
Backmerging to get the latest fixes from drm-next; specifically the
build fix from the patchset at [1]. Also fixes the build by removing
an unused variable from rzg2l_du_vsp_atomic_flush().
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patchwork.freedesktop.org/series/130720/ # 1
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_ */ |