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drm/fourcc: fix AMD modifiers PACKERS field doc

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This field doesn't alias with BANK_XOR_BITS: PACKERS is bits 27:29 while
BANK_XOR_BITS is bits 24:26.

Fixes: 8ba16d5993 ("drm/fourcc: Add AMD DRM modifiers.")
Reviewed-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
Signed-off-by: Simon Ser <contact@emersion.fr>
Cc: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
Cc: Alex Deucher <alexdeucher@gmail.com>
Cc: Daniel Vetter <daniel@ffwll.ch>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Simon Ser authored and Alex Deucher committed 2020-11-16 12:20:13 -05:00
1 parent c6ce6d1971
commit 09bec07bbe
1 file changed
+1 -1
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include/uapi/drm/drm_fourcc.h
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@@ -1215,7 +1215,7 @@ drm_fourcc_canonicalize_nvidia_format_mod(__u64 modifier)
#define AMD_FMT_MOD_PIPE_XOR_BITS_MASK 0x7
#define AMD_FMT_MOD_BANK_XOR_BITS_SHIFT 24
#define AMD_FMT_MOD_BANK_XOR_BITS_MASK 0x7
#define AMD_FMT_MOD_PACKERS_SHIFT 27 /* aliases with BANK_XOR_BITS */
#define AMD_FMT_MOD_PACKERS_SHIFT 27
#define AMD_FMT_MOD_PACKERS_MASK 0x7
#define AMD_FMT_MOD_RB_SHIFT 30
#define AMD_FMT_MOD_RB_MASK 0x7