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| author |   Adrián Larumbe <adrian.larumbe@collabora.com> | 2022-07-29 15:46:09 +0100 |
|---|---|---|
| committer |   Steven Price <steven.price@arm.com> | 2022-08-08 12:39:19 +0100 |
| commit | 6a3aaa2bc03ea7ecb93741d2f55aa9064e95d528 (patch) | |
| tree | f7468746ae84267d5a065b728c9ca7ab344d4044 /drivers/gpu/drm/panfrost | |
| parent | gpu: lontium-lt9611: Fix NULL pointer dereference in lt9611_connector_init() (diff) | |
| download | linux-dev-6a3aaa2bc03ea7ecb93741d2f55aa9064e95d528.tar.xz linux-dev-6a3aaa2bc03ea7ecb93741d2f55aa9064e95d528.zip | |
drm/panfrost: Add specific register offset macros for JS and MMU AS
Each Panfrost job has its own job slot and MMU address space set of
registers, which are selected with a job-specific index.
Turn the shift and stride used for selection of the right register set base
into a define rather than using magic numbers.
Signed-off-by: Adrián Larumbe <adrian.larumbe@collabora.com>
Reviewed-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
Reviewed-by: Steven Price <steven.price@arm.com>
Signed-off-by: Steven Price <steven.price@arm.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220729144610.2105223-2-adrian.larumbe@collabora.com
Diffstat (limited to 'drivers/gpu/drm/panfrost')
| -rw-r--r-- | drivers/gpu/drm/panfrost/panfrost_regs.h | 42 |
1 files changed, 24 insertions, 18 deletions
diff --git a/drivers/gpu/drm/panfrost/panfrost_regs.h b/drivers/gpu/drm/panfrost/panfrost_regs.h index accb4fa3adb8..919f44ac853d 100644 --- a/drivers/gpu/drm/panfrost/panfrost_regs.h +++ b/drivers/gpu/drm/panfrost/panfrost_regs.h @@ -226,23 +226,25 @@ #define JOB_INT_MASK_DONE(j) BIT(j) #define JS_BASE 0x1800 -#define JS_HEAD_LO(n) (JS_BASE + ((n) * 0x80) + 0x00) -#define JS_HEAD_HI(n) (JS_BASE + ((n) * 0x80) + 0x04) -#define JS_TAIL_LO(n) (JS_BASE + ((n) * 0x80) + 0x08) -#define JS_TAIL_HI(n) (JS_BASE + ((n) * 0x80) + 0x0c) -#define JS_AFFINITY_LO(n) (JS_BASE + ((n) * 0x80) + 0x10) -#define JS_AFFINITY_HI(n) (JS_BASE + ((n) * 0x80) + 0x14) -#define JS_CONFIG(n) (JS_BASE + ((n) * 0x80) + 0x18) -#define JS_XAFFINITY(n) (JS_BASE + ((n) * 0x80) + 0x1c) -#define JS_COMMAND(n) (JS_BASE + ((n) * 0x80) + 0x20) -#define JS_STATUS(n) (JS_BASE + ((n) * 0x80) + 0x24) -#define JS_HEAD_NEXT_LO(n) (JS_BASE + ((n) * 0x80) + 0x40) -#define JS_HEAD_NEXT_HI(n) (JS_BASE + ((n) * 0x80) + 0x44) -#define JS_AFFINITY_NEXT_LO(n) (JS_BASE + ((n) * 0x80) + 0x50) -#define JS_AFFINITY_NEXT_HI(n) (JS_BASE + ((n) * 0x80) + 0x54) -#define JS_CONFIG_NEXT(n) (JS_BASE + ((n) * 0x80) + 0x58) -#define JS_COMMAND_NEXT(n) (JS_BASE + ((n) * 0x80) + 0x60) -#define JS_FLUSH_ID_NEXT(n) (JS_BASE + ((n) * 0x80) + 0x70) +#define JS_SLOT_STRIDE 0x80 + +#define JS_HEAD_LO(n) (JS_BASE + ((n) * JS_SLOT_STRIDE) + 0x00) +#define JS_HEAD_HI(n) (JS_BASE + ((n) * JS_SLOT_STRIDE) + 0x04) +#define JS_TAIL_LO(n) (JS_BASE + ((n) * JS_SLOT_STRIDE) + 0x08) +#define JS_TAIL_HI(n) (JS_BASE + ((n) * JS_SLOT_STRIDE) + 0x0c) +#define JS_AFFINITY_LO(n) (JS_BASE + ((n) * JS_SLOT_STRIDE) + 0x10) +#define JS_AFFINITY_HI(n) (JS_BASE + ((n) * JS_SLOT_STRIDE) + 0x14) +#define JS_CONFIG(n) (JS_BASE + ((n) * JS_SLOT_STRIDE) + 0x18) +#define JS_XAFFINITY(n) (JS_BASE + ((n) * JS_SLOT_STRIDE) + 0x1c) +#define JS_COMMAND(n) (JS_BASE + ((n) * JS_SLOT_STRIDE) + 0x20) +#define JS_STATUS(n) (JS_BASE + ((n) * JS_SLOT_STRIDE) + 0x24) +#define JS_HEAD_NEXT_LO(n) (JS_BASE + ((n) * JS_SLOT_STRIDE) + 0x40) +#define JS_HEAD_NEXT_HI(n) (JS_BASE + ((n) * JS_SLOT_STRIDE) + 0x44) +#define JS_AFFINITY_NEXT_LO(n) (JS_BASE + ((n) * JS_SLOT_STRIDE) + 0x50) +#define JS_AFFINITY_NEXT_HI(n) (JS_BASE + ((n) * JS_SLOT_STRIDE) + 0x54) +#define JS_CONFIG_NEXT(n) (JS_BASE + ((n) * JS_SLOT_STRIDE) + 0x58) +#define JS_COMMAND_NEXT(n) (JS_BASE + ((n) * JS_SLOT_STRIDE) + 0x60) +#define JS_FLUSH_ID_NEXT(n) (JS_BASE + ((n) * JS_SLOT_STRIDE) + 0x70) /* Possible values of JS_CONFIG and JS_CONFIG_NEXT registers */ #define JS_CONFIG_START_FLUSH_CLEAN BIT(8) @@ -281,7 +283,9 @@ #define AS_COMMAND_FLUSH_MEM 0x05 /* Wait for memory accesses to complete, flush all the L1s cache then flush all L2 caches then issue a flush region command to all MMUs */ -#define MMU_AS(as) (0x2400 + ((as) << 6)) +#define MMU_BASE 0x2400 +#define MMU_AS_SHIFT 0x06 +#define MMU_AS(as) (MMU_BASE + ((as) << MMU_AS_SHIFT)) #define AS_TRANSTAB_LO(as) (MMU_AS(as) + 0x00) /* (RW) Translation Table Base Address for address space n, low word */ #define AS_TRANSTAB_HI(as) (MMU_AS(as) + 0x04) /* (RW) Translation Table Base Address for address space n, high word */ @@ -300,6 +304,8 @@ #define AS_FAULTEXTRA_LO(as) (MMU_AS(as) + 0x38) /* (RO) Secondary fault address for address space n, low word */ #define AS_FAULTEXTRA_HI(as) (MMU_AS(as) + 0x3C) /* (RO) Secondary fault address for address space n, high word */ +#define MMU_AS_STRIDE (1 << MMU_AS_SHIFT) + /* * Begin LPAE MMU TRANSTAB register values */ |