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| author | Damien Lespiau <damien.lespiau@intel.com> | 2013-10-15 18:55:29 +0100 |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2013-10-16 13:32:10 +0200 |
| commit | b2c88f5b1dea77b57759387728917a124eb1c098 (patch) | |
| tree | b82258528bfb2cbb7b2ff03cced9ba30e818a30c /drivers/gpu/drm/i915/i915_drv.h | |
| parent | 926321d503406d1fefb2fae9651beca14160529a (diff) | |
| download | lwn-b2c88f5b1dea77b57759387728917a124eb1c098.tar.gz lwn-b2c88f5b1dea77b57759387728917a124eb1c098.zip | |
drm/i915: Keep the CRC values into a circular buffer
There are a few good properties to a circular buffer, for instance it
has a number of entries (before we were always dumping the full buffer).
Signed-off-by: Damien Lespiau <damien.lespiau@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'drivers/gpu/drm/i915/i915_drv.h')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_drv.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index bfaaaaee8a5b..a29a4a1d300a 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -1230,11 +1230,11 @@ struct intel_pipe_crc_entry { uint32_t crc[5]; }; -#define INTEL_PIPE_CRC_ENTRIES_NR 200 +#define INTEL_PIPE_CRC_ENTRIES_NR 128 struct intel_pipe_crc { struct intel_pipe_crc_entry entries[INTEL_PIPE_CRC_ENTRIES_NR]; enum intel_pipe_crc_source source; - atomic_t slot; + atomic_t head, tail; }; typedef struct drm_i915_private { |