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| author | Mika Kuoppala <mika.kuoppala@linux.intel.com> | 2020-04-25 02:06:32 +0300 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk> | 2020-04-25 21:08:56 +0300 |
| commit | b8a1181122f7a3d878e8a7a87603cd247ab24082 (patch) | |
| tree | b689867b51df7b6ee1ad33156de180eb433fa99b /drivers/gpu/drm/i915/i915_reg.h | |
| parent | 1dd47b54baeac460f677a3c8bb347b2ffed56d4d (diff) | |
| download | linux-b8a1181122f7a3d878e8a7a87603cd247ab24082.tar.xz | |
drm/i915: Use indirect ctx bb to mend CMD_BUF_CCTL
Use indirect ctx bb to load cmd buffer control value
from context image to avoid corruption.
v2: add to lrc layout (Chris)
v3: end to a cacheline (Chris)
v4: add to lrc fixed (Chris)
v5: value in offset+1
Testcase: igt/i915_selftest/gt_lrc
Signed-off-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Acked-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20200424230632.30333-1-mika.kuoppala@linux.intel.com
Diffstat (limited to 'drivers/gpu/drm/i915/i915_reg.h')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_reg.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index 981b52aa5ed8..96d9f8853343 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -2657,6 +2657,7 @@ static inline bool i915_mmio_reg_valid(i915_reg_t reg) #define RING_DMA_FADD_UDW(base) _MMIO((base) + 0x60) /* gen8+ */ #define RING_INSTPM(base) _MMIO((base) + 0xc0) #define RING_MI_MODE(base) _MMIO((base) + 0x9c) +#define RING_CMD_BUF_CCTL(base) _MMIO((base) + 0x84) #define INSTPS _MMIO(0x2070) /* 965+ only */ #define GEN4_INSTDONE1 _MMIO(0x207c) /* 965+ only, aka INSTDONE_2 on SNB */ #define ACTHD_I965 _MMIO(0x2074) |